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cc-backend/3a/40b75edd68/2/full.jsonl
Jan Eitzinger bb2ddad33f Checkpoint: 3a40b75edd68 
Entire-Session: aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3
Entire-Strategy: manual-commit
Entire-Agent: Claude Code
Ephemeral-branch: entire/df93dbe-e3b0c4
2026-03-16 12:13:15 +01:00

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{"parentUuid":"20fc6571-7e56-47b4-95d6-1d554744a4be","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Ufjz7JYLpC1gDqKn71ykPC","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package api\n 7→\n 8→import (\n 9→\t\"database/sql\"\n 10→\t\"encoding/json\"\n 11→\t\"strings\"\n 12→\t\"sync\"\n 13→\t\"time\"\n 14→\n 15→\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n 16→\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n 17→\t\"github.com/ClusterCockpit/cc-backend/internal/importer\"\n 18→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 19→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 20→\tlp \"github.com/ClusterCockpit/cc-lib/v2/ccMessage\"\n 21→\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n 22→\t\"github.com/ClusterCockpit/cc-lib/v2/receivers\"\n 23→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 24→\tinflux \"github.com/ClusterCockpit/cc-line-protocol/v2/lineprotocol\"\n 25→)\n 26→\n 27→// natsMessage wraps a raw NATS message with its subject for channel-based processing.\n 28→type natsMessage struct {\n 29→\tsubject string\n 30→\tdata []byte\n 31→}\n 32→\n 33→// NatsAPI provides NATS subscription-based handlers for Job and Node operations.\n 34→// It mirrors the functionality of the REST API but uses NATS messaging with\n 35→// InfluxDB line protocol as the message format.\n 36→//\n 37→// # Message Format\n 38→//\n 39→// All NATS messages use InfluxDB line protocol format (https://docs.influxdata.com/influxdb/v2.0/reference/syntax/line-protocol/)\n 40→// with the following structure:\n 41→//\n 42→//\tmeasurement,tag1=value1,tag2=value2 field1=value1,field2=value2 timestamp\n 43→//\n 44→// # Job Events\n 45→//\n 46→// Job start/stop events use the \"job\" measurement with a \"function\" tag to distinguish operations:\n 47→//\n 48→//\tjob,function=start_job event=\"{...JSON payload...}\" <timestamp>\n 49→//\tjob,function=stop_job event=\"{...JSON payload...}\" <timestamp>\n 50→//\n 51→// The JSON payload in the \"event\" field follows the schema.Job or StopJobAPIRequest structure.\n 52→//\n 53→// Example job start message:\n 54→//\n 55→//\tjob,function=start_job event=\"{\\\"jobId\\\":1001,\\\"user\\\":\\\"testuser\\\",\\\"cluster\\\":\\\"testcluster\\\",...}\" 1234567890000000000\n 56→//\n 57→// # Node State Events\n 58→//\n 59→// Node state updates use the \"nodestate\" measurement with cluster information:\n 60→//\n 61→//\tnodestate event=\"{...JSON payload...}\" <timestamp>\n 62→//\n 63→// The JSON payload follows the UpdateNodeStatesRequest structure.\n 64→//\n 65→// Example node state message:\n 66→//\n 67→//\tnodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"node01\\\",\\\"states\\\":[\\\"idle\\\"]}]}\" 1234567890000000000\n 68→type NatsAPI struct {\n 69→\tJobRepository *repository.JobRepository\n 70→\t// RepositoryMutex protects job creation operations from race conditions\n 71→\t// when checking for duplicate jobs during startJob calls.\n 72→\tRepositoryMutex sync.Mutex\n 73→\t// jobCh receives job event messages for processing by worker goroutines.\n 74→\tjobCh chan natsMessage\n 75→\t// nodeCh receives node state messages for processing by worker goroutines.\n 76→\tnodeCh chan natsMessage\n 77→}\n 78→\n 79→// NewNatsAPI creates a new NatsAPI instance with channel-based worker pools.\n 80→// Concurrency is configured via NATSConfig (defaults: JobConcurrency=8, NodeConcurrency=2).\n 81→func NewNatsAPI() *NatsAPI {\n 82→\tjobConc := 8\n 83→\tnodeConc := 2\n 84→\n 85→\tif s := config.Keys.APISubjects; s != nil {\n 86→\t\tif s.JobConcurrency > 0 {\n 87→\t\t\tjobConc = s.JobConcurrency\n 88→\t\t}\n 89→\t\tif s.NodeConcurrency > 0 {\n 90→\t\t\tnodeConc = s.NodeConcurrency\n 91→\t\t}\n 92→\t}\n 93→\n 94→\tapi := &NatsAPI{\n 95→\t\tJobRepository: repository.GetJobRepository(),\n 96→\t\tjobCh: make(chan natsMessage, jobConc),\n 97→\t\tnodeCh: make(chan natsMessage, nodeConc),\n 98→\t}\n 99→\n 100→\t// Start worker goroutines\n 101→\tfor range jobConc {\n 102→\t\tgo api.jobWorker()\n 103→\t}\n 104→\tfor range nodeConc {\n 105→\t\tgo api.nodeWorker()\n 106→\t}\n 107→\n 108→\treturn api\n 109→}\n 110→\n 111→// jobWorker processes job event messages from the job channel.\n 112→func (api *NatsAPI) jobWorker() {\n 113→\tfor msg := range api.jobCh {\n 114→\t\tapi.handleJobEvent(msg.subject, msg.data)\n 115→\t}\n 116→}\n 117→\n 118→// nodeWorker processes node state messages from the node channel.\n 119→func (api *NatsAPI) nodeWorker() {\n 120→\tfor msg := range api.nodeCh {\n 121→\t\tapi.handleNodeState(msg.subject, msg.data)\n 122→\t}\n 123→}\n 124→\n 125→// StartSubscriptions registers all NATS subscriptions for Job and Node APIs.\n 126→// Messages are delivered to buffered channels and processed by worker goroutines.\n 127→// Returns an error if the NATS client is not available or subscription fails.\n 128→func (api *NatsAPI) StartSubscriptions() error {\n 129→\tclient := nats.GetClient()\n 130→\tif client == nil {\n 131→\t\tcclog.Warn(\"NATS client not available, skipping API subscriptions\")\n 132→\t\treturn nil\n 133→\t}\n 134→\n 135→\tif config.Keys.APISubjects != nil {\n 136→\t\ts := config.Keys.APISubjects\n 137→\n 138→\t\tif err := client.Subscribe(s.SubjectJobEvent, func(subject string, data []byte) {\n 139→\t\t\tapi.jobCh <- natsMessage{subject: subject, data: data}\n 140→\t\t}); err != nil {\n 141→\t\t\treturn err\n 142→\t\t}\n 143→\n 144→\t\tif err := client.Subscribe(s.SubjectNodeState, func(subject string, data []byte) {\n 145→\t\t\tapi.nodeCh <- natsMessage{subject: subject, data: data}\n 146→\t\t}); err != nil {\n 147→\t\t\treturn err\n 148→\t\t}\n 149→\n 150→\t\tcclog.Info(\"NATS API subscriptions started\")\n 151→\t}\n 152→\treturn nil\n 153→}\n 154→\n 155→// processJobEvent routes job event messages to the appropriate handler based on the \"function\" tag.\n 156→// Validates that required tags and fields are present before processing.\n 157→func (api *NatsAPI) processJobEvent(msg lp.CCMessage) {\n 158→\tfunction, ok := msg.GetTag(\"function\")\n 159→\tif !ok {\n 160→\t\tcclog.Errorf(\"Job event is missing required tag 'function': measurement=%s\", msg.Name())\n 161→\t\treturn\n 162→\t}\n 163→\n 164→\tswitch function {\n 165→\tcase \"start_job\":\n 166→\t\tv, ok := msg.GetEventValue()\n 167→\t\tif !ok {\n 168→\t\t\tcclog.Errorf(\"Job start event is missing event field with JSON payload\")\n 169→\t\t\treturn\n 170→\t\t}\n 171→\t\tapi.handleStartJob(v)\n 172→\n 173→\tcase \"stop_job\":\n 174→\t\tv, ok := msg.GetEventValue()\n 175→\t\tif !ok {\n 176→\t\t\tcclog.Errorf(\"Job stop event is missing event field with JSON payload\")\n 177→\t\t\treturn\n 178→\t\t}\n 179→\t\tapi.handleStopJob(v)\n 180→\n 181→\tdefault:\n 182→\t\tcclog.Warnf(\"Unknown job event function '%s', expected 'start_job' or 'stop_job'\", function)\n 183→\t}\n 184→}\n 185→\n 186→// handleJobEvent processes job-related messages received via NATS using InfluxDB line protocol.\n 187→// The message must be in line protocol format with measurement=\"job\" and include:\n 188→// - tag \"function\" with value \"start_job\" or \"stop_job\"\n 189→// - field \"event\" containing JSON payload (schema.Job or StopJobAPIRequest)\n 190→//\n 191→// Example: job,function=start_job event=\"{\\\"jobId\\\":1001,...}\" 1234567890000000000\n 192→func (api *NatsAPI) handleJobEvent(subject string, data []byte) {\n 193→\tif len(data) == 0 {\n 194→\t\tcclog.Warnf(\"NATS %s: received empty message\", subject)\n 195→\t\treturn\n 196→\t}\n 197→\n 198→\td := influx.NewDecoderWithBytes(data)\n 199→\n 200→\tfor d.Next() {\n 201→\t\tm, err := receivers.DecodeInfluxMessage(d)\n 202→\t\tif err != nil {\n 203→\t\t\tcclog.Errorf(\"NATS %s: failed to decode InfluxDB line protocol message: %v\", subject, err)\n 204→\t\t\treturn\n 205→\t\t}\n 206→\n 207→\t\tif !m.IsEvent() {\n 208→\t\t\tcclog.Debugf(\"NATS %s: received non-event message, skipping\", subject)\n 209→\t\t\tcontinue\n 210→\t\t}\n 211→\n 212→\t\tif m.Name() == \"job\" {\n 213→\t\t\tapi.processJobEvent(m)\n 214→\t\t} else {\n 215→\t\t\tcclog.Debugf(\"NATS %s: unexpected measurement name '%s', expected 'job'\", subject, m.Name())\n 216→\t\t}\n 217→\t}\n 218→}\n 219→\n 220→// handleStartJob processes job start messages received via NATS.\n 221→// The payload parameter contains JSON following the schema.Job structure.\n 222→// Jobs are validated, checked for duplicates, and inserted into the database.\n 223→func (api *NatsAPI) handleStartJob(payload string) {\n 224→\tif payload == \"\" {\n 225→\t\tcclog.Error(\"NATS start job: payload is empty\")\n 226→\t\treturn\n 227→\t}\n 228→\treq := schema.Job{\n 229→\t\tShared: \"none\",\n 230→\t\tMonitoringStatus: schema.MonitoringStatusRunningOrArchiving,\n 231→\t}\n 232→\n 233→\tdec := json.NewDecoder(strings.NewReader(payload))\n 234→\tdec.DisallowUnknownFields()\n 235→\tif err := dec.Decode(&req); err != nil {\n 236→\t\tcclog.Errorf(\"NATS start job: parsing request failed: %v\", err)\n 237→\t\treturn\n 238→\t}\n 239→\n 240→\tcclog.Debugf(\"NATS start job: %s\", req.GoString())\n 241→\treq.State = schema.JobStateRunning\n 242→\n 243→\tif err := importer.SanityChecks(&req); err != nil {\n 244→\t\tcclog.Errorf(\"NATS start job: sanity check failed: %v\", err)\n 245→\t\treturn\n 246→\t}\n 247→\n 248→\tvar unlockOnce sync.Once\n 249→\tapi.RepositoryMutex.Lock()\n 250→\tdefer unlockOnce.Do(api.RepositoryMutex.Unlock)\n 251→\n 252→\tjobs, err := api.JobRepository.FindAll(&req.JobID, &req.Cluster, nil)\n 253→\tif err != nil && err != sql.ErrNoRows {\n 254→\t\tcclog.Errorf(\"NATS start job: checking for duplicate failed: %v\", err)\n 255→\t\treturn\n 256→\t}\n 257→\tif err == nil {\n 258→\t\tfor _, job := range jobs {\n 259→\t\t\tif (req.StartTime - job.StartTime) < secondsPerDay {\n 260→\t\t\t\tcclog.Errorf(\"NATS start job: job with jobId %d, cluster %s already exists (dbid: %d)\",\n 261→\t\t\t\t\treq.JobID, req.Cluster, job.ID)\n 262→\t\t\t\treturn\n 263→\t\t\t}\n 264→\t\t}\n 265→\t}\n 266→\n 267→\t// When tags are present, insert directly into the job table so that the\n 268→\t// returned ID can be used with AddTagOrCreate (which queries the job table).\n 269→\tvar id int64\n 270→\tif len(req.Tags) > 0 {\n 271→\t\tid, err = api.JobRepository.StartDirect(&req)\n 272→\t} else {\n 273→\t\tid, err = api.JobRepository.Start(&req)\n 274→\t}\n 275→\tif err != nil {\n 276→\t\tcclog.Errorf(\"NATS start job: insert into database failed: %v\", err)\n 277→\t\treturn\n 278→\t}\n 279→\tunlockOnce.Do(api.RepositoryMutex.Unlock)\n 280→\n 281→\tfor _, tag := range req.Tags {\n 282→\t\tif _, err := api.JobRepository.AddTagOrCreate(nil, id, tag.Type, tag.Name, tag.Scope); err != nil {\n 283→\t\t\tcclog.Errorf(\"NATS start job: adding tag to new job %d failed: %v\", id, err)\n 284→\t\t\treturn\n 285→\t\t}\n 286→\t}\n 287→\n 288→\tcclog.Infof(\"NATS: new job (id: %d): cluster=%s, jobId=%d, user=%s, startTime=%d\",\n 289→\t\tid, req.Cluster, req.JobID, req.User, req.StartTime)\n 290→}\n 291→\n 292→// handleStopJob processes job stop messages received via NATS.\n 293→// The payload parameter contains JSON following the StopJobAPIRequest structure.\n 294→// The job is marked as stopped in the database and archiving is triggered if monitoring is enabled.\n 295→func (api *NatsAPI) handleStopJob(payload string) {\n 296→\tif payload == \"\" {\n 297→\t\tcclog.Error(\"NATS stop job: payload is empty\")\n 298→\t\treturn\n 299→\t}\n 300→\tvar req StopJobAPIRequest\n 301→\n 302→\tdec := json.NewDecoder(strings.NewReader(payload))\n 303→\tdec.DisallowUnknownFields()\n 304→\tif err := dec.Decode(&req); err != nil {\n 305→\t\tcclog.Errorf(\"NATS job stop: parsing request failed: %v\", err)\n 306→\t\treturn\n 307→\t}\n 308→\n 309→\tif req.JobID == nil {\n 310→\t\tcclog.Errorf(\"NATS job stop: the field 'jobId' is required\")\n 311→\t\treturn\n 312→\t}\n 313→\n 314→\tisCached := false\n 315→\tjob, err := api.JobRepository.FindCached(req.JobID, req.Cluster, req.StartTime)\n 316→\tif err != nil {\n 317→\t\t// Not in cache, try main job table\n 318→\t\tjob, err = api.JobRepository.Find(req.JobID, req.Cluster, req.StartTime)\n 319→\t\tif err != nil {\n 320→\t\t\tcclog.Errorf(\"NATS job stop: finding job failed: %v\", err)\n 321→\t\t\treturn\n 322→\t\t}\n 323→\t} else {\n 324→\t\tisCached = true\n 325→\t}\n 326→\n 327→\tif job.State != schema.JobStateRunning {\n 328→\t\tcclog.Errorf(\"NATS job stop: jobId %d (id %d) on %s: job has already been stopped (state is: %s)\",\n 329→\t\t\tjob.JobID, job.ID, job.Cluster, job.State)\n 330→\t\treturn\n 331→\t}\n 332→\n 333→\tif job.StartTime > req.StopTime {\n 334→\t\tcclog.Errorf(\"NATS job stop: jobId %d (id %d) on %s: stopTime %d must be >= startTime %d\",\n 335→\t\t\tjob.JobID, job.ID, job.Cluster, req.StopTime, job.StartTime)\n 336→\t\treturn\n 337→\t}\n 338→\n 339→\tif req.State != \"\" && !req.State.Valid() {\n 340→\t\tcclog.Errorf(\"NATS job stop: jobId %d (id %d) on %s: invalid job state: %#v\",\n 341→\t\t\tjob.JobID, job.ID, job.Cluster, req.State)\n 342→\t\treturn\n 343→\t} else if req.State == \"\" {\n 344→\t\treq.State = schema.JobStateCompleted\n 345→\t}\n 346→\n 347→\tjob.Duration = int32(req.StopTime - job.StartTime)\n 348→\tjob.State = req.State\n 349→\tapi.JobRepository.Mutex.Lock()\n 350→\tdefer api.JobRepository.Mutex.Unlock()\n 351→\n 352→\t// If the job is still in job_cache, transfer it to the job table first\n 353→\tif isCached {\n 354→\t\tnewID, err := api.JobRepository.TransferCachedJobToMain(*job.ID)\n 355→\t\tif err != nil {\n 356→\t\t\tcclog.Errorf(\"NATS job stop: jobId %d (id %d) on %s: transferring cached job failed: %v\",\n 357→\t\t\t\tjob.JobID, *job.ID, job.Cluster, err)\n 358→\t\t\treturn\n 359→\t\t}\n 360→\t\tcclog.Infof(\"NATS: transferred cached job to main table: old id %d -> new id %d (jobId=%d)\", *job.ID, newID, job.JobID)\n 361→\t\tjob.ID = &newID\n 362→\t}\n 363→\n 364→\tif err := api.JobRepository.Stop(*job.ID, job.Duration, job.State, job.MonitoringStatus); err != nil {\n 365→\t\tcclog.Errorf(\"NATS job stop: jobId %d (id %d) on %s: marking job as '%s' failed: %v\",\n 366→\t\t\tjob.JobID, *job.ID, job.Cluster, job.State, err)\n 367→\t\treturn\n 368→\t}\n 369→\n 370→\tcclog.Infof(\"NATS: archiving job (dbid: %d): cluster=%s, jobId=%d, user=%s, startTime=%d, duration=%d, state=%s\",\n 371→\t\t*job.ID, job.Cluster, job.JobID, job.User, job.StartTime, job.Duration, job.State)\n 372→\n 373→\tif job.MonitoringStatus == schema.MonitoringStatusDisabled {\n 374→\t\treturn\n 375→\t}\n 376→\n 377→\tarchiver.TriggerArchiving(job)\n 378→}\n 379→\n 380→// processNodestateEvent extracts and processes node state data from the InfluxDB message.\n 381→// Updates node states in the repository for all nodes in the payload.\n 382→func (api *NatsAPI) processNodestateEvent(msg lp.CCMessage) {\n 383→\tv, ok := msg.GetEventValue()\n 384→\tif !ok {\n 385→\t\tcclog.Errorf(\"Nodestate event is missing event field with JSON payload\")\n 386→\t\treturn\n 387→\t}\n 388→\n 389→\tvar req UpdateNodeStatesRequest\n 390→\n 391→\tdec := json.NewDecoder(strings.NewReader(v))\n 392→\tdec.DisallowUnknownFields()\n 393→\tif err := dec.Decode(&req); err != nil {\n 394→\t\tcclog.Errorf(\"NATS nodestate: parsing request failed: %v\", err)\n 395→\t\treturn\n 396→\t}\n 397→\n 398→\trepo := repository.GetNodeRepository()\n 399→\trequestReceived := time.Now().Unix()\n 400→\n 401→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 402→\tfor _, node := range req.Nodes {\n 403→\t\tstate := determineState(node.States)\n 404→\t\tnodeState := schema.NodeStateDB{\n 405→\t\t\tTimeStamp: requestReceived,\n 406→\t\t\tNodeState: state,\n 407→\t\t\tCpusAllocated: node.CpusAllocated,\n 408→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 409→\t\t\tGpusAllocated: node.GpusAllocated,\n 410→\t\t\tHealthState: schema.MonitoringStateFull,\n 411→\t\t\tJobsRunning: node.JobsRunning,\n 412→\t\t}\n 413→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 414→\t\t\tHostname: node.Hostname,\n 415→\t\t\tCluster: req.Cluster,\n 416→\t\t\tNodeState: &nodeState,\n 417→\t\t})\n 418→\t}\n 419→\n 420→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 421→\t\tcclog.Errorf(\"NATS nodestate: batch update for cluster %s failed: %v\", req.Cluster, err)\n 422→\t}\n 423→\n 424→\tcclog.Debugf(\"NATS nodestate: updated %d node states for cluster %s\", len(req.Nodes), req.Cluster)\n 425→}\n 426→\n 427→// handleNodeState processes node state update messages received via NATS using InfluxDB line protocol.\n 428→// The message must be in line protocol format with measurement=\"nodestate\" and include:\n 429→// - field \"event\" containing JSON payload (UpdateNodeStatesRequest)\n 430→//\n 431→// Example: nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[...]}\" 1234567890000000000\n 432→func (api *NatsAPI) handleNodeState(subject string, data []byte) {\n 433→\tif len(data) == 0 {\n 434→\t\tcclog.Warnf(\"NATS %s: received empty message\", subject)\n 435→\t\treturn\n 436→\t}\n 437→\n 438→\td := influx.NewDecoderWithBytes(data)\n 439→\n 440→\tfor d.Next() {\n 441→\t\tm, err := receivers.DecodeInfluxMessage(d)\n 442→\t\tif err != nil {\n 443→\t\t\tcclog.Errorf(\"NATS %s: failed to decode InfluxDB line protocol message: %v\", subject, err)\n 444→\t\t\treturn\n 445→\t\t}\n 446→\n 447→\t\tif !m.IsEvent() {\n 448→\t\t\tcclog.Warnf(\"NATS %s: received non-event message, skipping\", subject)\n 449→\t\t\tcontinue\n 450→\t\t}\n 451→\n 452→\t\tif m.Name() == \"nodestate\" {\n 453→\t\t\tapi.processNodestateEvent(m)\n 454→\t\t} else {\n 455→\t\t\tcclog.Warnf(\"NATS %s: unexpected measurement name '%s', expected 'nodestate'\", subject, m.Name())\n 456→\t\t}\n 457→\t}\n 458→}\n 459→"}]},"uuid":"5ffa60d5-a04a-4575-9dda-74c10d43a5b1","timestamp":"2026-03-16T10:57:13.308Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"029bbc44-7a24-4864-b219-5adc52052ae5","timestamp":"2026-03-16T10:57:13.460Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"0ff6752c-8659-415c-b622-8a575b7410c5","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Wi9zh3PibLwZ4mAHUG2dTT","type":"tool_result","content":"internal/api/node.go:23:type UpdateNodeStatesRequest struct {\ninternal/api/node.go:58:// @summary Deliver updated Slurm node states\ninternal/api/node.go:63:// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\ninternal/api/node.go:73:\treq := UpdateNodeStatesRequest{}\ninternal/api/node.go:145:\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\ninternal/api/docs.go:914: \"summary\": \"Deliver updated Slurm node states\",\ninternal/api/docs.go:922: \"$ref\": \"#/definitions/api.UpdateNodeStatesRequest\"\ninternal/api/docs.go:2093: \"api.UpdateNodeStatesRequest\": {\ninternal/api/nats.go:59:// Node state updates use the \"nodestate\" measurement with cluster information:\ninternal/api/nats.go:63:// The JSON payload follows the UpdateNodeStatesRequest structure.\ninternal/api/nats.go:389:\tvar req UpdateNodeStatesRequest\ninternal/api/nats.go:420:\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\ninternal/api/nats.go:424:\tcclog.Debugf(\"NATS nodestate: updated %d node states for cluster %s\", len(req.Nodes), req.Cluster)\ninternal/api/nats.go:429:// - field \"event\" containing JSON payload (UpdateNodeStatesRequest)"}]},"uuid":"9d777350-3605-41df-ada5-e60d4f2364a5","timestamp":"2026-03-16T10:57:13.459Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"5c664666-74d2-4014-8d6e-d93ccb252acf","timestamp":"2026-03-16T10:57:13.656Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"4b4934e4-dde7-4726-a284-29e0573b275d","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019AyD7E3siDMVXwmqz853pA","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package api\n 7→\n 8→import (\n 9→\t\"fmt\"\n 10→\t\"maps\"\n 11→\t\"net/http\"\n 12→\t\"strings\"\n 13→\t\"time\"\n 14→\n 15→\t\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"\n 16→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 17→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 18→\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n 19→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 20→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 21→)\n 22→\n 23→type UpdateNodeStatesRequest struct {\n 24→\tNodes []schema.NodePayload `json:\"nodes\"`\n 25→\tCluster string `json:\"cluster\" example:\"fritz\"`\n 26→}\n 27→\n 28→// metricListToNames converts a map of metric configurations to a list of metric names\n 29→func metricListToNames(metricList map[string]*schema.Metric) []string {\n 30→\tnames := make([]string, 0, len(metricList))\n 31→\tfor name := range metricList {\n 32→\t\tnames = append(names, name)\n 33→\t}\n 34→\treturn names\n 35→}\n 36→\n 37→// this routine assumes that only one of them exists per node\n 38→func determineState(states []string) schema.SchedulerState {\n 39→\tfor _, state := range states {\n 40→\t\tswitch strings.ToLower(state) {\n 41→\t\tcase \"allocated\":\n 42→\t\t\treturn schema.NodeStateAllocated\n 43→\t\tcase \"reserved\":\n 44→\t\t\treturn schema.NodeStateReserved\n 45→\t\tcase \"idle\":\n 46→\t\t\treturn schema.NodeStateIdle\n 47→\t\tcase \"down\":\n 48→\t\t\treturn schema.NodeStateDown\n 49→\t\tcase \"mixed\":\n 50→\t\t\treturn schema.NodeStateMixed\n 51→\t\t}\n 52→\t}\n 53→\n 54→\treturn schema.NodeStateUnknown\n 55→}\n 56→\n 57→// updateNodeStates godoc\n 58→// @summary Deliver updated Slurm node states\n 59→// @tags Nodestates\n 60→// @description Returns a JSON-encoded list of users.\n 61→// @description Required query-parameter defines if all users or only users with additional special roles are returned.\n 62→// @produce json\n 63→// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\n 64→// @success 200 {object} api.DefaultAPIResponse \"Success message\"\n 65→// @failure 400 {object} api.ErrorResponse \"Bad Request\"\n 66→// @failure 401 {object} api.ErrorResponse \"Unauthorized\"\n 67→// @failure 403 {object} api.ErrorResponse \"Forbidden\"\n 68→// @failure 500 {object} api.ErrorResponse \"Internal Server Error\"\n 69→// @security ApiKeyAuth\n 70→// @router /api/nodestats/ [post]\n 71→func (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n 72→\t// Parse request body\n 73→\treq := UpdateNodeStatesRequest{}\n 74→\tif err := decode(r.Body, &req); err != nil {\n 75→\t\thandleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n 76→\t\t\thttp.StatusBadRequest, rw)\n 77→\t\treturn\n 78→\t}\n 79→\trequestReceived := time.Now().Unix()\n 80→\trepo := repository.GetNodeRepository()\n 81→\n 82→\tm := make(map[string][]string)\n 83→\tmetricNames := make(map[string][]string)\n 84→\thealthResults := make(map[string]metricstore.HealthCheckResult)\n 85→\n 86→\tstartMs := time.Now()\n 87→\n 88→\t// Step 1: Build nodeList and metricList per subcluster\n 89→\tfor _, node := range req.Nodes {\n 90→\t\tif sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n 91→\t\t\tm[sc] = append(m[sc], node.Hostname)\n 92→\t\t}\n 93→\t}\n 94→\n 95→\tfor sc := range m {\n 96→\t\tif sc != \"\" {\n 97→\t\t\tmetricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n 98→\t\t\tmetricNames[sc] = metricListToNames(metricList)\n 99→\t\t}\n 100→\t}\n 101→\n 102→\t// Step 2: Determine which metric store to query and perform health check\n 103→\thealthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n 104→\tif err != nil {\n 105→\t\tcclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n 106→\t} else {\n 107→\t\tfor sc, nl := range m {\n 108→\t\t\tif sc != \"\" {\n 109→\t\t\t\tif results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n 110→\t\t\t\t\tmaps.Copy(healthResults, results)\n 111→\t\t\t\t}\n 112→\t\t\t}\n 113→\t\t}\n 114→\t}\n 115→\n 116→\tcclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n 117→\tstartDB := time.Now()\n 118→\n 119→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 120→\tfor _, node := range req.Nodes {\n 121→\t\tstate := determineState(node.States)\n 122→\t\thealthState := schema.MonitoringStateFailed\n 123→\t\tvar healthMetrics string\n 124→\t\tif result, ok := healthResults[node.Hostname]; ok {\n 125→\t\t\thealthState = result.State\n 126→\t\t\thealthMetrics = result.HealthMetrics\n 127→\t\t}\n 128→\t\tnodeState := schema.NodeStateDB{\n 129→\t\t\tTimeStamp: requestReceived,\n 130→\t\t\tNodeState: state,\n 131→\t\t\tCpusAllocated: node.CpusAllocated,\n 132→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 133→\t\t\tGpusAllocated: node.GpusAllocated,\n 134→\t\t\tHealthState: healthState,\n 135→\t\t\tHealthMetrics: healthMetrics,\n 136→\t\t\tJobsRunning: node.JobsRunning,\n 137→\t\t}\n 138→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 139→\t\t\tHostname: node.Hostname,\n 140→\t\t\tCluster: req.Cluster,\n 141→\t\t\tNodeState: &nodeState,\n 142→\t\t})\n 143→\t}\n 144→\n 145→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 146→\t\tcclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n 147→\t}\n 148→\n 149→\tcclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n 150→}\n 151→"}]},"uuid":"eef1b5ab-ae52-4b11-bf28-adf30fc3b018","timestamp":"2026-03-16T10:57:13.697Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"4c811d23-4d0a-4acf-9036-e69a549896f3","timestamp":"2026-03-16T10:57:13.706Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"dca78925-be6d-407a-b96d-5c7670e19502","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019eh6XRpocoCPuhgpMgd2Ej","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package api\n 7→\n 8→import (\n 9→\t\"fmt\"\n 10→\t\"maps\"\n 11→\t\"net/http\"\n 12→\t\"strings\"\n 13→\t\"time\"\n 14→\n 15→\t\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"\n 16→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 17→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 18→\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n 19→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 20→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 21→)\n 22→\n 23→type UpdateNodeStatesRequest struct {\n 24→\tNodes []schema.NodePayload `json:\"nodes\"`\n 25→\tCluster string `json:\"cluster\" example:\"fritz\"`\n 26→}\n 27→\n 28→// metricListToNames converts a map of metric configurations to a list of metric names\n 29→func metricListToNames(metricList map[string]*schema.Metric) []string {\n 30→\tnames := make([]string, 0, len(metricList))\n 31→\tfor name := range metricList {\n 32→\t\tnames = append(names, name)\n 33→\t}\n 34→\treturn names\n 35→}\n 36→\n 37→// this routine assumes that only one of them exists per node\n 38→func determineState(states []string) schema.SchedulerState {\n 39→\tfor _, state := range states {\n 40→\t\tswitch strings.ToLower(state) {\n 41→\t\tcase \"allocated\":\n 42→\t\t\treturn schema.NodeStateAllocated\n 43→\t\tcase \"reserved\":\n 44→\t\t\treturn schema.NodeStateReserved\n 45→\t\tcase \"idle\":\n 46→\t\t\treturn schema.NodeStateIdle\n 47→\t\tcase \"down\":\n 48→\t\t\treturn schema.NodeStateDown\n 49→\t\tcase \"mixed\":\n 50→\t\t\treturn schema.NodeStateMixed\n 51→\t\t}\n 52→\t}\n 53→\n 54→\treturn schema.NodeStateUnknown\n 55→}\n 56→\n 57→// updateNodeStates godoc\n 58→// @summary Deliver updated Slurm node states\n 59→// @tags Nodestates\n 60→// @description Returns a JSON-encoded list of users.\n 61→// @description Required query-parameter defines if all users or only users with additional special roles are returned.\n 62→// @produce json\n 63→// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\n 64→// @success 200 {object} api.DefaultAPIResponse \"Success message\"\n 65→// @failure 400 {object} api.ErrorResponse \"Bad Request\"\n 66→// @failure 401 {object} api.ErrorResponse \"Unauthorized\"\n 67→// @failure 403 {object} api.ErrorResponse \"Forbidden\"\n 68→// @failure 500 {object} api.ErrorResponse \"Internal Server Error\"\n 69→// @security ApiKeyAuth\n 70→// @router /api/nodestats/ [post]\n 71→func (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n 72→\t// Parse request body\n 73→\treq := UpdateNodeStatesRequest{}\n 74→\tif err := decode(r.Body, &req); err != nil {\n 75→\t\thandleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n 76→\t\t\thttp.StatusBadRequest, rw)\n 77→\t\treturn\n 78→\t}\n 79→\trequestReceived := time.Now().Unix()\n 80→\trepo := repository.GetNodeRepository()\n 81→\n 82→\tm := make(map[string][]string)\n 83→\tmetricNames := make(map[string][]string)\n 84→\thealthResults := make(map[string]metricstore.HealthCheckResult)\n 85→\n 86→\tstartMs := time.Now()\n 87→\n 88→\t// Step 1: Build nodeList and metricList per subcluster\n 89→\tfor _, node := range req.Nodes {\n 90→\t\tif sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n 91→\t\t\tm[sc] = append(m[sc], node.Hostname)\n 92→\t\t}\n 93→\t}\n 94→\n 95→\tfor sc := range m {\n 96→\t\tif sc != \"\" {\n 97→\t\t\tmetricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n 98→\t\t\tmetricNames[sc] = metricListToNames(metricList)\n 99→\t\t}\n 100→\t}\n 101→\n 102→\t// Step 2: Determine which metric store to query and perform health check\n 103→\thealthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n 104→\tif err != nil {\n 105→\t\tcclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n 106→\t} else {\n 107→\t\tfor sc, nl := range m {\n 108→\t\t\tif sc != \"\" {\n 109→\t\t\t\tif results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n 110→\t\t\t\t\tmaps.Copy(healthResults, results)\n 111→\t\t\t\t}\n 112→\t\t\t}\n 113→\t\t}\n 114→\t}\n 115→\n 116→\tcclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n 117→\tstartDB := time.Now()\n 118→\n 119→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 120→\tfor _, node := range req.Nodes {\n 121→\t\tstate := determineState(node.States)\n 122→\t\thealthState := schema.MonitoringStateFailed\n 123→\t\tvar healthMetrics string\n 124→\t\tif result, ok := healthResults[node.Hostname]; ok {\n 125→\t\t\thealthState = result.State\n 126→\t\t\thealthMetrics = result.HealthMetrics\n 127→\t\t}\n 128→\t\tnodeState := schema.NodeStateDB{\n 129→\t\t\tTimeStamp: requestReceived,\n 130→\t\t\tNodeState: state,\n 131→\t\t\tCpusAllocated: node.CpusAllocated,\n 132→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 133→\t\t\tGpusAllocated: node.GpusAllocated,\n 134→\t\t\tHealthState: healthState,\n 135→\t\t\tHealthMetrics: healthMetrics,\n 136→\t\t\tJobsRunning: node.JobsRunning,\n 137→\t\t}\n 138→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 139→\t\t\tHostname: node.Hostname,\n 140→\t\t\tCluster: req.Cluster,\n 141→\t\t\tNodeState: &nodeState,\n 142→\t\t})\n 143→\t}\n 144→\n 145→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 146→\t\tcclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n 147→\t}\n 148→\n 149→\tcclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n 150→}\n 151→"}]},"uuid":"3adfdeac-6e95-465a-9e3c-a502f63aee8f","timestamp":"2026-03-16T10:57:18.010Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"147b2518-6a16-4db2-bf20-43b7205e0ce8","timestamp":"2026-03-16T10:57:18.030Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"147b2518-6a16-4db2-bf20-43b7205e0ce8","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RFY3PFxf2XX5EdB3GmrE4i","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package repository\n 7→\n 8→import (\n 9→\t\"context\"\n 10→\t\"database/sql\"\n 11→\t\"encoding/json\"\n 12→\t\"fmt\"\n 13→\t\"slices\"\n 14→\t\"sort\"\n 15→\t\"strings\"\n 16→\t\"sync\"\n 17→\t\"time\"\n 18→\n 19→\t\"github.com/ClusterCockpit/cc-backend/internal/graph/model\"\n 20→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 21→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 22→\t\"github.com/ClusterCockpit/cc-lib/v2/lrucache\"\n 23→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 24→\tsq \"github.com/Masterminds/squirrel\"\n 25→\t\"github.com/jmoiron/sqlx\"\n 26→)\n 27→\n 28→var (\n 29→\tnodeRepoOnce sync.Once\n 30→\tnodeRepoInstance *NodeRepository\n 31→)\n 32→\n 33→type NodeRepository struct {\n 34→\tDB *sqlx.DB\n 35→\tstmtCache *sq.StmtCache\n 36→\tcache *lrucache.Cache\n 37→\tdriver string\n 38→}\n 39→\n 40→func GetNodeRepository() *NodeRepository {\n 41→\tnodeRepoOnce.Do(func() {\n 42→\t\tdb := GetConnection()\n 43→\n 44→\t\tnodeRepoInstance = &NodeRepository{\n 45→\t\t\tDB: db.DB,\n 46→\t\t\tdriver: db.Driver,\n 47→\n 48→\t\t\tstmtCache: sq.NewStmtCache(db.DB),\n 49→\t\t\tcache: lrucache.New(repoConfig.CacheSize),\n 50→\t\t}\n 51→\t})\n 52→\treturn nodeRepoInstance\n 53→}\n 54→\n 55→// latestStateCondition returns a squirrel expression that restricts node_state\n 56→// rows to the latest per node_id using a correlated subquery.\n 57→// Requires the query to join node and node_state tables.\n 58→func latestStateCondition() sq.Sqlizer {\n 59→\treturn sq.Expr(\n 60→\t\t\"node_state.id = (SELECT ns2.id FROM node_state ns2 WHERE ns2.node_id = node.id ORDER BY ns2.time_stamp DESC LIMIT 1)\",\n 61→\t)\n 62→}\n 63→\n 64→// applyNodeFilters applies common NodeFilter conditions to a query that joins\n 65→// the node and node_state tables with latestStateCondition.\n 66→func applyNodeFilters(query sq.SelectBuilder, filters []*model.NodeFilter) sq.SelectBuilder {\n 67→\tfor _, f := range filters {\n 68→\t\tif f.Cluster != nil {\n 69→\t\t\tquery = buildStringCondition(\"node.cluster\", f.Cluster, query)\n 70→\t\t}\n 71→\t\tif f.SubCluster != nil {\n 72→\t\t\tquery = buildStringCondition(\"node.subcluster\", f.SubCluster, query)\n 73→\t\t}\n 74→\t\tif f.Hostname != nil {\n 75→\t\t\tquery = buildStringCondition(\"node.hostname\", f.Hostname, query)\n 76→\t\t}\n 77→\t\tif f.SchedulerState != nil {\n 78→\t\t\tquery = query.Where(\"node_state.node_state = ?\", f.SchedulerState)\n 79→\t\t}\n 80→\t\tif f.HealthState != nil {\n 81→\t\t\tquery = query.Where(\"node_state.health_state = ?\", f.HealthState)\n 82→\t\t}\n 83→\t}\n 84→\treturn query\n 85→}\n 86→\n 87→func (r *NodeRepository) FetchMetadata(hostname string, cluster string) (map[string]string, error) {\n 88→\tstart := time.Now()\n 89→\n 90→\tRawMetaData := make([]byte, 0)\n 91→\n 92→\tif err := sq.Select(\"node.meta_data\").From(\"node\").\n 93→\t\tWhere(\"node.hostname = ?\", hostname).\n 94→\t\tWhere(\"node.cluster = ?\", cluster).\n 95→\t\tRunWith(r.stmtCache).QueryRow().Scan(&RawMetaData); err != nil {\n 96→\t\tcclog.Warn(\"Error while scanning for node metadata\")\n 97→\t\treturn nil, err\n 98→\t}\n 99→\n 100→\tif len(RawMetaData) == 0 {\n 101→\t\treturn nil, nil\n 102→\t}\n 103→\n 104→\tMetaData := make(map[string]string)\n 105→\n 106→\tif err := json.Unmarshal(RawMetaData, &MetaData); err != nil {\n 107→\t\tcclog.Warn(\"Error while unmarshaling raw metadata json\")\n 108→\t\treturn nil, err\n 109→\t}\n 110→\n 111→\tcclog.Debugf(\"Timer FetchMetadata %s\", time.Since(start))\n 112→\treturn MetaData, nil\n 113→}\n 114→\n 115→func (r *NodeRepository) GetNode(hostname string, cluster string, withMeta bool) (*schema.Node, error) {\n 116→\tnode := &schema.Node{}\n 117→\tif err := sq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 118→\t\t\"node_state.node_state\", \"node_state.health_state\").\n 119→\t\tFrom(\"node\").\n 120→\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 121→\t\tWhere(latestStateCondition()).\n 122→\t\tWhere(\"node.hostname = ?\", hostname).\n 123→\t\tWhere(\"node.cluster = ?\", cluster).\n 124→\t\tRunWith(r.DB).\n 125→\t\tQueryRow().Scan(&node.Hostname, &node.Cluster, &node.SubCluster, &node.NodeState, &node.HealthState); err != nil {\n 126→\t\tcclog.Warnf(\"Error while querying node '%s' from database: %v\", hostname, err)\n 127→\t\treturn nil, err\n 128→\t}\n 129→\n 130→\tif withMeta {\n 131→\t\tvar err error\n 132→\t\tvar meta map[string]string\n 133→\t\tif meta, err = r.FetchMetadata(hostname, cluster); err != nil {\n 134→\t\t\tcclog.Warnf(\"Error while fetching metadata for node '%s'\", hostname)\n 135→\t\t\treturn nil, err\n 136→\t\t}\n 137→\t\tnode.MetaData = meta\n 138→\t}\n 139→\n 140→\treturn node, nil\n 141→}\n 142→\n 143→func (r *NodeRepository) GetNodeByID(id int64, withMeta bool) (*schema.Node, error) {\n 144→\tnode := &schema.Node{}\n 145→\tif err := sq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 146→\t\t\"node_state.node_state\", \"node_state.health_state\").\n 147→\t\tFrom(\"node\").\n 148→\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 149→\t\tWhere(latestStateCondition()).\n 150→\t\tWhere(\"node.id = ?\", id).\n 151→\t\tRunWith(r.DB).\n 152→\t\tQueryRow().Scan(&node.Hostname, &node.Cluster, &node.SubCluster, &node.NodeState, &node.HealthState); err != nil {\n 153→\t\tcclog.Warnf(\"Error while querying node ID '%d' from database: %v\", id, err)\n 154→\t\treturn nil, err\n 155→\t}\n 156→\n 157→\tif withMeta {\n 158→\t\tmeta, metaErr := r.FetchMetadata(node.Hostname, node.Cluster)\n 159→\t\tif metaErr != nil {\n 160→\t\t\tcclog.Warnf(\"Error while fetching metadata for node ID '%d': %v\", id, metaErr)\n 161→\t\t\treturn nil, metaErr\n 162→\t\t}\n 163→\t\tnode.MetaData = meta\n 164→\t}\n 165→\n 166→\treturn node, nil\n 167→}\n 168→\n 169→// const NamedNodeInsert string = `\n 170→// INSERT INTO node (time_stamp, hostname, cluster, subcluster, node_state, health_state,\n 171→//\n 172→//\tcpus_allocated, cpus_total, memory_allocated, memory_total, gpus_allocated, gpus_total)\n 173→//\tVALUES (:time_stamp, :hostname, :cluster, :subcluster, :node_state, :health_state,\n 174→//\t:cpus_allocated, :cpus_total, :memory_allocated, :memory_total, :gpus_allocated, :gpus_total);`\n 175→\n 176→const NamedNodeInsert string = `\n 177→INSERT INTO node (hostname, cluster, subcluster)\n 178→\tVALUES (:hostname, :cluster, :subcluster);`\n 179→\n 180→// AddNode adds a Node to the node table. This can be triggered by a node collector registration or\n 181→// from a nodestate update from the job scheduler.\n 182→func (r *NodeRepository) AddNode(node *schema.NodeDB) (int64, error) {\n 183→\tvar err error\n 184→\n 185→\tres, err := r.DB.NamedExec(NamedNodeInsert, node)\n 186→\tif err != nil {\n 187→\t\tcclog.Errorf(\"Error while adding node '%v' to database\", node.Hostname)\n 188→\t\treturn 0, err\n 189→\t}\n 190→\tnode.ID, err = res.LastInsertId()\n 191→\tif err != nil {\n 192→\t\tcclog.Errorf(\"Error while getting last insert id for node '%v' from database\", node.Hostname)\n 193→\t\treturn 0, err\n 194→\t}\n 195→\n 196→\treturn node.ID, nil\n 197→}\n 198→\n 199→const NamedNodeStateInsert string = `\n 200→INSERT INTO node_state (time_stamp, node_state, health_state, health_metrics,\n 201→\tcpus_allocated, memory_allocated, gpus_allocated, jobs_running, node_id)\n 202→\tVALUES (:time_stamp, :node_state, :health_state, :health_metrics,\n 203→\t:cpus_allocated, :memory_allocated, :gpus_allocated, :jobs_running, :node_id);`\n 204→\n 205→// TODO: Add real Monitoring Health State\n 206→\n 207→// UpdateNodeState is called from the Node REST API to add a row in the node state table\n 208→func (r *NodeRepository) UpdateNodeState(hostname string, cluster string, nodeState *schema.NodeStateDB) error {\n 209→\tvar id int64\n 210→\n 211→\tif err := sq.Select(\"id\").From(\"node\").\n 212→\t\tWhere(\"node.hostname = ?\", hostname).Where(\"node.cluster = ?\", cluster).RunWith(r.DB).\n 213→\t\tQueryRow().Scan(&id); err != nil {\n 214→\t\tif err == sql.ErrNoRows {\n 215→\t\t\tsubcluster, err := archive.GetSubClusterByNode(cluster, hostname)\n 216→\t\t\tif err != nil {\n 217→\t\t\t\tcclog.Errorf(\"Error while getting subcluster for node '%s' in cluster '%s': %v\", hostname, cluster, err)\n 218→\t\t\t\treturn err\n 219→\t\t\t}\n 220→\t\t\tnode := schema.NodeDB{\n 221→\t\t\t\tHostname: hostname, Cluster: cluster, SubCluster: subcluster,\n 222→\t\t\t}\n 223→\t\t\tid, err = r.AddNode(&node)\n 224→\t\t\tif err != nil {\n 225→\t\t\t\tcclog.Errorf(\"Error while adding node '%s' to database: %v\", hostname, err)\n 226→\t\t\t\treturn err\n 227→\t\t\t}\n 228→\n 229→\t\t\tcclog.Debugf(\"Added node '%s' to database\", hostname)\n 230→\t\t} else {\n 231→\t\t\tcclog.Warnf(\"Error while querying node '%v' from database\", id)\n 232→\t\t\treturn err\n 233→\t\t}\n 234→\t}\n 235→\n 236→\tnodeState.NodeID = id\n 237→\n 238→\t_, err := r.DB.NamedExec(NamedNodeStateInsert, nodeState)\n 239→\tif err != nil {\n 240→\t\tcclog.Errorf(\"Error while adding node state for '%v' to database\", hostname)\n 241→\t\treturn err\n 242→\t}\n 243→\tcclog.Debugf(\"Updated node state for '%s' in database\", hostname)\n 244→\treturn nil\n 245→}\n 246→\n 247→// NodeStateUpdate holds the data needed to update one node's state in a batch operation.\n 248→type NodeStateUpdate struct {\n 249→\tHostname string\n 250→\tCluster string\n 251→\tNodeState *schema.NodeStateDB\n 252→}\n 253→\n 254→// BatchUpdateNodeStates inserts node state rows for multiple nodes in a single transaction.\n 255→// For each node, it looks up (or creates) the node row, then inserts the state row.\n 256→// This reduces lock acquisitions from 2*N to 1 for N nodes.\n 257→func (r *NodeRepository) BatchUpdateNodeStates(updates []NodeStateUpdate) error {\n 258→\ttx, err := r.DB.Beginx()\n 259→\tif err != nil {\n 260→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: begin transaction: %w\", err)\n 261→\t}\n 262→\tdefer tx.Rollback()\n 263→\n 264→\tstmtLookup, err := tx.Preparex(\"SELECT id FROM node WHERE hostname = ? AND cluster = ?\")\n 265→\tif err != nil {\n 266→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: prepare lookup: %w\", err)\n 267→\t}\n 268→\tdefer stmtLookup.Close()\n 269→\n 270→\tstmtInsertNode, err := tx.PrepareNamed(NamedNodeInsert)\n 271→\tif err != nil {\n 272→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: prepare node insert: %w\", err)\n 273→\t}\n 274→\tdefer stmtInsertNode.Close()\n 275→\n 276→\tstmtInsertState, err := tx.PrepareNamed(NamedNodeStateInsert)\n 277→\tif err != nil {\n 278→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: prepare state insert: %w\", err)\n 279→\t}\n 280→\tdefer stmtInsertState.Close()\n 281→\n 282→\tfor _, u := range updates {\n 283→\t\tvar id int64\n 284→\t\tif err := stmtLookup.QueryRow(u.Hostname, u.Cluster).Scan(&id); err != nil {\n 285→\t\t\tif err == sql.ErrNoRows {\n 286→\t\t\t\tsubcluster, scErr := archive.GetSubClusterByNode(u.Cluster, u.Hostname)\n 287→\t\t\t\tif scErr != nil {\n 288→\t\t\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: subcluster lookup for '%s' in '%s': %v\", u.Hostname, u.Cluster, scErr)\n 289→\t\t\t\t\tcontinue\n 290→\t\t\t\t}\n 291→\t\t\t\tnode := schema.NodeDB{\n 292→\t\t\t\t\tHostname: u.Hostname, Cluster: u.Cluster, SubCluster: subcluster,\n 293→\t\t\t\t}\n 294→\t\t\t\tres, insertErr := stmtInsertNode.Exec(&node)\n 295→\t\t\t\tif insertErr != nil {\n 296→\t\t\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: insert node '%s': %v\", u.Hostname, insertErr)\n 297→\t\t\t\t\tcontinue\n 298→\t\t\t\t}\n 299→\t\t\t\tid, _ = res.LastInsertId()\n 300→\t\t\t} else {\n 301→\t\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: lookup node '%s': %v\", u.Hostname, err)\n 302→\t\t\t\tcontinue\n 303→\t\t\t}\n 304→\t\t}\n 305→\n 306→\t\tu.NodeState.NodeID = id\n 307→\t\tif _, err := stmtInsertState.Exec(u.NodeState); err != nil {\n 308→\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: insert state for '%s': %v\", u.Hostname, err)\n 309→\t\t}\n 310→\t}\n 311→\n 312→\tif err := tx.Commit(); err != nil {\n 313→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: commit: %w\", err)\n 314→\t}\n 315→\treturn nil\n 316→}\n 317→\n 318→// func (r *NodeRepository) UpdateHealthState(hostname string, healthState *schema.MonitoringState) error {\n 319→// \tif _, err := sq.Update(\"node\").Set(\"health_state\", healthState).Where(\"node.id = ?\", id).RunWith(r.DB).Exec(); err != nil {\n 320→// \t\tcclog.Errorf(\"error while updating node '%d'\", id)\n 321→// \t\treturn err\n 322→// \t}\n 323→//\n 324→// \treturn nil\n 325→// }\n 326→\n 327→// NodeStateWithNode combines a node state row with denormalized node info.\n 328→type NodeStateWithNode struct {\n 329→\tID int64 `db:\"id\"`\n 330→\tTimeStamp int64 `db:\"time_stamp\"`\n 331→\tNodeState string `db:\"node_state\"`\n 332→\tHealthState string `db:\"health_state\"`\n 333→\tHealthMetrics string `db:\"health_metrics\"`\n 334→\tCpusAllocated int `db:\"cpus_allocated\"`\n 335→\tMemoryAllocated int64 `db:\"memory_allocated\"`\n 336→\tGpusAllocated int `db:\"gpus_allocated\"`\n 337→\tJobsRunning int `db:\"jobs_running\"`\n 338→\tHostname string `db:\"hostname\"`\n 339→\tCluster string `db:\"cluster\"`\n 340→\tSubCluster string `db:\"subcluster\"`\n 341→}\n 342→\n 343→// FindNodeStatesBefore returns all node_state rows with time_stamp < cutoff,\n 344→// joined with node info for denormalized archiving.\n 345→func (r *NodeRepository) FindNodeStatesBefore(cutoff int64) ([]NodeStateWithNode, error) {\n 346→\trows, err := sq.Select(\n 347→\t\t\"node_state.id\", \"node_state.time_stamp\", \"node_state.node_state\",\n 348→\t\t\"node_state.health_state\", \"node_state.health_metrics\",\n 349→\t\t\"node_state.cpus_allocated\", \"node_state.memory_allocated\",\n 350→\t\t\"node_state.gpus_allocated\", \"node_state.jobs_running\",\n 351→\t\t\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 352→\t).\n 353→\t\tFrom(\"node_state\").\n 354→\t\tJoin(\"node ON node_state.node_id = node.id\").\n 355→\t\tWhere(sq.Lt{\"node_state.time_stamp\": cutoff}).\n 356→\t\tWhere(\"node_state.id NOT IN (SELECT ns2.id FROM node_state ns2 WHERE ns2.time_stamp = (SELECT MAX(ns3.time_stamp) FROM node_state ns3 WHERE ns3.node_id = ns2.node_id))\").\n 357→\t\tOrderBy(\"node.cluster ASC\", \"node.subcluster ASC\", \"node.hostname ASC\", \"node_state.time_stamp ASC\").\n 358→\t\tRunWith(r.DB).Query()\n 359→\tif err != nil {\n 360→\t\treturn nil, err\n 361→\t}\n 362→\tdefer rows.Close()\n 363→\n 364→\tvar result []NodeStateWithNode\n 365→\tfor rows.Next() {\n 366→\t\tvar ns NodeStateWithNode\n 367→\t\tvar healthMetrics sql.NullString\n 368→\t\tif err := rows.Scan(&ns.ID, &ns.TimeStamp, &ns.NodeState,\n 369→\t\t\t&ns.HealthState, &healthMetrics,\n 370→\t\t\t&ns.CpusAllocated, &ns.MemoryAllocated,\n 371→\t\t\t&ns.GpusAllocated, &ns.JobsRunning,\n 372→\t\t\t&ns.Hostname, &ns.Cluster, &ns.SubCluster); err != nil {\n 373→\t\t\treturn nil, err\n 374→\t\t}\n 375→\t\tns.HealthMetrics = healthMetrics.String\n 376→\t\tresult = append(result, ns)\n 377→\t}\n 378→\treturn result, nil\n 379→}\n 380→\n 381→// DeleteNodeStatesBefore removes node_state rows with time_stamp < cutoff,\n 382→// but always preserves the row with the latest timestamp per node_id.\n 383→func (r *NodeRepository) DeleteNodeStatesBefore(cutoff int64) (int64, error) {\n 384→\tres, err := r.DB.Exec(\n 385→\t\t`DELETE FROM node_state WHERE time_stamp < ?\n 386→\t\t AND id NOT IN (\n 387→\t\t SELECT id FROM node_state ns2\n 388→\t\t WHERE ns2.time_stamp = (SELECT MAX(ns3.time_stamp) FROM node_state ns3 WHERE ns3.node_id = ns2.node_id)\n 389→\t\t )`,\n 390→\t\tcutoff,\n 391→\t)\n 392→\tif err != nil {\n 393→\t\treturn 0, err\n 394→\t}\n 395→\treturn res.RowsAffected()\n 396→}\n 397→\n 398→func (r *NodeRepository) DeleteNode(id int64) error {\n 399→\t_, err := r.DB.Exec(`DELETE FROM node WHERE node.id = ?`, id)\n 400→\tif err != nil {\n 401→\t\tcclog.Errorf(\"Error while deleting node '%d' from DB\", id)\n 402→\t\treturn err\n 403→\t}\n 404→\tcclog.Infof(\"deleted node '%d' from DB\", id)\n 405→\treturn nil\n 406→}\n 407→\n 408→// QueryNodes returns a list of nodes based on a node filter. It always operates\n 409→// on the last state (largest timestamp).\n 410→func (r *NodeRepository) QueryNodes(\n 411→\tctx context.Context,\n 412→\tfilters []*model.NodeFilter,\n 413→\tpage *model.PageRequest,\n 414→\torder *model.OrderByInput, // Currently unused!\n 415→) ([]*schema.Node, error) {\n 416→\tquery, qerr := AccessCheck(ctx,\n 417→\t\tsq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 418→\t\t\t\"node_state.node_state\", \"node_state.health_state\").\n 419→\t\t\tFrom(\"node\").\n 420→\t\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 421→\t\t\tWhere(latestStateCondition()))\n 422→\tif qerr != nil {\n 423→\t\treturn nil, qerr\n 424→\t}\n 425→\n 426→\tquery = applyNodeFilters(query, filters)\n 427→\tquery = query.OrderBy(\"node.hostname ASC\")\n 428→\n 429→\tif page != nil && page.ItemsPerPage != -1 {\n 430→\t\tlimit := uint64(page.ItemsPerPage)\n 431→\t\tquery = query.Offset((uint64(page.Page) - 1) * limit).Limit(limit)\n 432→\t}\n 433→\n 434→\trows, err := query.RunWith(r.stmtCache).Query()\n 435→\tif err != nil {\n 436→\t\tqueryString, queryVars, _ := query.ToSql()\n 437→\t\tcclog.Errorf(\"Error while running query '%s' %v: %v\", queryString, queryVars, err)\n 438→\t\treturn nil, err\n 439→\t}\n 440→\tdefer rows.Close()\n 441→\n 442→\tnodes := make([]*schema.Node, 0)\n 443→\tfor rows.Next() {\n 444→\t\tnode := schema.Node{}\n 445→\t\tif err := rows.Scan(&node.Hostname, &node.Cluster, &node.SubCluster,\n 446→\t\t\t&node.NodeState, &node.HealthState); err != nil {\n 447→\t\t\tcclog.Warn(\"Error while scanning rows (QueryNodes)\")\n 448→\t\t\treturn nil, err\n 449→\t\t}\n 450→\t\tnodes = append(nodes, &node)\n 451→\t}\n 452→\n 453→\tif err := rows.Err(); err != nil {\n 454→\t\treturn nil, err\n 455→\t}\n 456→\n 457→\treturn nodes, nil\n 458→}\n 459→\n 460→// QueryNodesWithMeta returns a list of nodes based on a node filter. It always operates\n 461→// on the last state (largest timestamp). It includes both (!) optional JSON column data\n 462→func (r *NodeRepository) QueryNodesWithMeta(\n 463→\tctx context.Context,\n 464→\tfilters []*model.NodeFilter,\n 465→\tpage *model.PageRequest,\n 466→\torder *model.OrderByInput, // Currently unused!\n 467→) ([]*schema.Node, error) {\n 468→\tquery, qerr := AccessCheck(ctx,\n 469→\t\tsq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 470→\t\t\t\"node_state.node_state\", \"node_state.health_state\",\n 471→\t\t\t\"node.meta_data\", \"node_state.health_metrics\").\n 472→\t\t\tFrom(\"node\").\n 473→\t\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 474→\t\t\tWhere(latestStateCondition()))\n 475→\tif qerr != nil {\n 476→\t\treturn nil, qerr\n 477→\t}\n 478→\n 479→\tquery = applyNodeFilters(query, filters)\n 480→\tquery = query.OrderBy(\"node.hostname ASC\")\n 481→\n 482→\tif page != nil && page.ItemsPerPage != -1 {\n 483→\t\tlimit := uint64(page.ItemsPerPage)\n 484→\t\tquery = query.Offset((uint64(page.Page) - 1) * limit).Limit(limit)\n 485→\t}\n 486→\n 487→\trows, err := query.RunWith(r.stmtCache).Query()\n 488→\tif err != nil {\n 489→\t\tqueryString, queryVars, _ := query.ToSql()\n 490→\t\tcclog.Errorf(\"Error while running query '%s' %v: %v\", queryString, queryVars, err)\n 491→\t\treturn nil, err\n 492→\t}\n 493→\tdefer rows.Close()\n 494→\n 495→\tnodes := make([]*schema.Node, 0)\n 496→\tfor rows.Next() {\n 497→\t\tnode := schema.Node{}\n 498→\t\tRawMetaData := make([]byte, 0)\n 499→\t\tRawMetricHealth := make([]byte, 0)\n 500→\n 501→\t\tif err := rows.Scan(&node.Hostname, &node.Cluster, &node.SubCluster,\n 502→\t\t\t&node.NodeState, &node.HealthState, &RawMetaData, &RawMetricHealth); err != nil {\n 503→\t\t\tcclog.Warn(\"Error while scanning rows (QueryNodes)\")\n 504→\t\t\treturn nil, err\n 505→\t\t}\n 506→\n 507→\t\tif len(RawMetaData) == 0 {\n 508→\t\t\tnode.MetaData = nil\n 509→\t\t} else {\n 510→\t\t\tmetaData := make(map[string]string)\n 511→\t\t\tif err := json.Unmarshal(RawMetaData, &metaData); err != nil {\n 512→\t\t\t\tcclog.Warn(\"Error while unmarshaling raw metadata json\")\n 513→\t\t\t\treturn nil, err\n 514→\t\t\t}\n 515→\t\t\tnode.MetaData = metaData\n 516→\t\t}\n 517→\n 518→\t\tif len(RawMetricHealth) == 0 {\n 519→\t\t\tnode.HealthData = nil\n 520→\t\t} else {\n 521→\t\t\thealthData := make(map[string][]string)\n 522→\t\t\tif err := json.Unmarshal(RawMetricHealth, &healthData); err != nil {\n 523→\t\t\t\tcclog.Warn(\"Error while unmarshaling raw healthdata json\")\n 524→\t\t\t\treturn nil, err\n 525→\t\t\t}\n 526→\t\t\tnode.HealthData = healthData\n 527→\t\t}\n 528→\n 529→\t\tnodes = append(nodes, &node)\n 530→\t}\n 531→\n 532→\tif err := rows.Err(); err != nil {\n 533→\t\treturn nil, err\n 534→\t}\n 535→\n 536→\treturn nodes, nil\n 537→}\n 538→\n 539→// CountNodes returns the total matched nodes based on a node filter. It always operates\n 540→// on the last state (largest timestamp) per node.\n 541→func (r *NodeRepository) CountNodes(\n 542→\tctx context.Context,\n 543→\tfilters []*model.NodeFilter,\n 544→) (int, error) {\n 545→\tquery, qerr := AccessCheck(ctx,\n 546→\t\tsq.Select(\"COUNT(*)\").\n 547→\t\t\tFrom(\"node\").\n 548→\t\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 549→\t\t\tWhere(latestStateCondition()))\n 550→\tif qerr != nil {\n 551→\t\treturn 0, qerr\n 552→\t}\n 553→\n 554→\tquery = applyNodeFilters(query, filters)\n 555→\n 556→\tvar count int\n 557→\tif err := query.RunWith(r.stmtCache).QueryRow().Scan(&count); err != nil {\n 558→\t\tqueryString, queryVars, _ := query.ToSql()\n 559→\t\tcclog.Errorf(\"Error while running query '%s' %v: %v\", queryString, queryVars, err)\n 560→\t\treturn 0, err\n 561→\t}\n 562→\n 563→\treturn count, nil\n 564→}\n 565→\n 566→func (r *NodeRepository) ListNodes(cluster string) ([]*schema.Node, error) {\n 567→\tq := sq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 568→\t\t\"node_state.node_state\", \"node_state.health_state\").\n 569→\t\tFrom(\"node\").\n 570→\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 571→\t\tWhere(latestStateCondition()).\n 572→\t\tWhere(\"node.cluster = ?\", cluster).\n 573→\t\tOrderBy(\"node.hostname ASC\")\n 574→\n 575→\trows, err := q.RunWith(r.DB).Query()\n 576→\tif err != nil {\n 577→\t\tcclog.Warn(\"Error while querying node list\")\n 578→\t\treturn nil, err\n 579→\t}\n 580→\tnodeList := make([]*schema.Node, 0, 100)\n 581→\tdefer rows.Close()\n 582→\tfor rows.Next() {\n 583→\t\tnode := &schema.Node{}\n 584→\t\tif err := rows.Scan(&node.Hostname, &node.Cluster,\n 585→\t\t\t&node.SubCluster, &node.NodeState, &node.HealthState); err != nil {\n 586→\t\t\tcclog.Warn(\"Error while scanning node list (ListNodes)\")\n 587→\t\t\treturn nil, err\n 588→\t\t}\n 589→\n 590→\t\tnodeList = append(nodeList, node)\n 591→\t}\n 592→\n 593→\treturn nodeList, nil\n 594→}\n 595→\n 596→func (r *NodeRepository) MapNodes(cluster string) (map[string]string, error) {\n 597→\tq := sq.Select(\"node.hostname\", \"node_state.node_state\").\n 598→\t\tFrom(\"node\").\n 599→\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 600→\t\tWhere(latestStateCondition()).\n 601→\t\tWhere(\"node.cluster = ?\", cluster).\n 602→\t\tOrderBy(\"node.hostname ASC\")\n 603→\n 604→\trows, err := q.RunWith(r.DB).Query()\n 605→\tif err != nil {\n 606→\t\tcclog.Warn(\"Error while querying node list\")\n 607→\t\treturn nil, err\n 608→\t}\n 609→\n 610→\tstateMap := make(map[string]string)\n 611→\tdefer rows.Close()\n 612→\tfor rows.Next() {\n 613→\t\tvar hostname, nodestate string\n 614→\t\tif err := rows.Scan(&hostname, &nodestate); err != nil {\n 615→\t\t\tcclog.Warn(\"Error while scanning node list (MapNodes)\")\n 616→\t\t\treturn nil, err\n 617→\t\t}\n 618→\n 619→\t\tstateMap[hostname] = nodestate\n 620→\t}\n 621→\n 622→\treturn stateMap, nil\n 623→}\n 624→\n 625→func (r *NodeRepository) CountStates(ctx context.Context, filters []*model.NodeFilter, column string) ([]*model.NodeStates, error) {\n 626→\tquery, qerr := AccessCheck(ctx,\n 627→\t\tsq.Select(column, \"COUNT(*) as count\").\n 628→\t\t\tFrom(\"node\").\n 629→\t\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 630→\t\t\tWhere(latestStateCondition()).\n 631→\t\t\tGroupBy(column))\n 632→\tif qerr != nil {\n 633→\t\treturn nil, qerr\n 634→\t}\n 635→\n 636→\tquery = applyNodeFilters(query, filters)\n 637→\n 638→\trows, err := query.RunWith(r.stmtCache).Query()\n 639→\tif err != nil {\n 640→\t\tqueryString, queryVars, _ := query.ToSql()\n 641→\t\tcclog.Errorf(\"Error while running query '%s' %v: %v\", queryString, queryVars, err)\n 642→\t\treturn nil, err\n 643→\t}\n 644→\tdefer rows.Close()\n 645→\n 646→\tnodes := make([]*model.NodeStates, 0)\n 647→\tfor rows.Next() {\n 648→\t\tvar state string\n 649→\t\tvar count int\n 650→\t\tif err := rows.Scan(&state, &count); err != nil {\n 651→\t\t\tcclog.Warn(\"Error while scanning rows (CountStates)\")\n 652→\t\t\treturn nil, err\n 653→\t\t}\n 654→\t\tnodes = append(nodes, &model.NodeStates{State: state, Count: count})\n 655→\t}\n 656→\n 657→\tif err := rows.Err(); err != nil {\n 658→\t\treturn nil, err\n 659→\t}\n 660→\n 661→\treturn nodes, nil\n 662→}\n 663→\n 664→func (r *NodeRepository) CountStatesTimed(ctx context.Context, filters []*model.NodeFilter, column string) ([]*model.NodeStatesTimed, error) {\n 665→\tquery, qerr := AccessCheck(ctx, sq.Select(column, \"time_stamp\", \"count(*) as count\").From(\"node\")) // \"cluster\"?\n 666→\tif qerr != nil {\n 667→\t\treturn nil, qerr\n 668→\t}\n 669→\n 670→\tquery = query.Join(\"node_state ON node_state.node_id = node.id\")\n 671→\n 672→\tfor _, f := range filters {\n 673→\t\t// Required\n 674→\t\tif f.TimeStart != nil {\n 675→\t\t\tquery = query.Where(\"time_stamp > ?\", f.TimeStart)\n 676→\t\t}\n 677→\t\t// Optional\n 678→\t\tif f.Hostname != nil {\n 679→\t\t\tquery = buildStringCondition(\"hostname\", f.Hostname, query)\n 680→\t\t}\n 681→\t\tif f.Cluster != nil {\n 682→\t\t\tquery = buildStringCondition(\"cluster\", f.Cluster, query)\n 683→\t\t}\n 684→\t\tif f.SubCluster != nil {\n 685→\t\t\tquery = buildStringCondition(\"subcluster\", f.SubCluster, query)\n 686→\t\t}\n 687→\t\tif f.SchedulerState != nil {\n 688→\t\t\tquery = query.Where(\"node_state = ?\", f.SchedulerState)\n 689→\t\t}\n 690→\t\tif f.HealthState != nil {\n 691→\t\t\tquery = query.Where(\"health_state = ?\", f.HealthState)\n 692→\t\t}\n 693→\t}\n 694→\n 695→\t// Add Group and Order\n 696→\tquery = query.GroupBy(column + \", time_stamp\").OrderBy(\"time_stamp ASC\")\n 697→\n 698→\trows, err := query.RunWith(r.stmtCache).Query()\n 699→\tif err != nil {\n 700→\t\tqueryString, queryVars, _ := query.ToSql()\n 701→\t\tcclog.Errorf(\"Error while running query '%s' %v: %v\", queryString, queryVars, err)\n 702→\t\treturn nil, err\n 703→\t}\n 704→\tdefer rows.Close()\n 705→\n 706→\trawData := make(map[string][][]int)\n 707→\tfor rows.Next() {\n 708→\t\tvar state string\n 709→\t\tvar timestamp, count int\n 710→\n 711→\t\tif err := rows.Scan(&state, &timestamp, &count); err != nil {\n 712→\t\t\tcclog.Warnf(\"Error while scanning rows (CountStatesTimed) at time '%d'\", timestamp)\n 713→\t\t\treturn nil, err\n 714→\t\t}\n 715→\n 716→\t\tif rawData[state] == nil {\n 717→\t\t\trawData[state] = [][]int{make([]int, 0), make([]int, 0)}\n 718→\t\t}\n 719→\n 720→\t\trawData[state][0] = append(rawData[state][0], timestamp)\n 721→\t\trawData[state][1] = append(rawData[state][1], count)\n 722→\t}\n 723→\n 724→\tif err := rows.Err(); err != nil {\n 725→\t\treturn nil, err\n 726→\t}\n 727→\n 728→\ttimedStates := make([]*model.NodeStatesTimed, 0)\n 729→\tfor state, data := range rawData {\n 730→\t\tentry := model.NodeStatesTimed{State: state, Times: data[0], Counts: data[1]}\n 731→\t\ttimedStates = append(timedStates, &entry)\n 732→\t}\n 733→\n 734→\treturn timedStates, nil\n 735→}\n 736→\n 737→func (r *NodeRepository) GetNodesForList(\n 738→\tctx context.Context,\n 739→\tcluster string,\n 740→\tsubCluster string,\n 741→\tstateFilter string,\n 742→\tnodeFilter string,\n 743→\tpage *model.PageRequest,\n 744→) ([]string, map[string]string, int, bool, error) {\n 745→\t// Init Return Vars\n 746→\tnodes := make([]string, 0)\n 747→\tstateMap := make(map[string]string)\n 748→\tcountNodes := 0\n 749→\thasNextPage := false\n 750→\n 751→\t// Build Filters\n 752→\tqueryFilters := make([]*model.NodeFilter, 0)\n 753→\tif cluster != \"\" {\n 754→\t\tqueryFilters = append(queryFilters, &model.NodeFilter{Cluster: &model.StringInput{Eq: &cluster}})\n 755→\t}\n 756→\tif subCluster != \"\" {\n 757→\t\tqueryFilters = append(queryFilters, &model.NodeFilter{SubCluster: &model.StringInput{Eq: &subCluster}})\n 758→\t}\n 759→\tif nodeFilter != \"\" && stateFilter != \"notindb\" {\n 760→\t\tqueryFilters = append(queryFilters, &model.NodeFilter{Hostname: &model.StringInput{Contains: &nodeFilter}})\n 761→\t}\n 762→\tif stateFilter != \"all\" && stateFilter != \"notindb\" {\n 763→\t\tqueryState := schema.SchedulerState(stateFilter)\n 764→\t\tqueryFilters = append(queryFilters, &model.NodeFilter{SchedulerState: &queryState})\n 765→\t}\n 766→\t// if healthFilter != \"all\" {\n 767→\t// \tfilters = append(filters, &model.NodeFilter{HealthState: &healthFilter})\n 768→\t// }\n 769→\n 770→\t// Special Case: Disable Paging for missing nodes filter, save IPP for later\n 771→\tvar backupItems int\n 772→\tif stateFilter == \"notindb\" {\n 773→\t\tbackupItems = page.ItemsPerPage\n 774→\t\tpage.ItemsPerPage = -1\n 775→\t}\n 776→\n 777→\t// Query Nodes From DB\n 778→\trawNodes, serr := r.QueryNodes(ctx, queryFilters, page, nil) // Order not Used\n 779→\tif serr != nil {\n 780→\t\tcclog.Warn(\"error while loading node database data (Resolver.NodeMetricsList)\")\n 781→\t\treturn nil, nil, 0, false, serr\n 782→\t}\n 783→\n 784→\t// Intermediate Node Result Info\n 785→\tfor _, node := range rawNodes {\n 786→\t\tif node == nil {\n 787→\t\t\tcontinue\n 788→\t\t}\n 789→\t\tnodes = append(nodes, node.Hostname)\n 790→\t\tstateMap[node.Hostname] = string(node.NodeState)\n 791→\t}\n 792→\n 793→\t// Special Case: Find Nodes not in DB node table but in metricStore only\n 794→\tif stateFilter == \"notindb\" {\n 795→\t\t// Reapply Original Paging\n 796→\t\tpage.ItemsPerPage = backupItems\n 797→\t\t// Get Nodes From Topology\n 798→\t\tvar topoNodes []string\n 799→\t\tif subCluster != \"\" {\n 800→\t\t\tscNodes := archive.NodeLists[cluster][subCluster]\n 801→\t\t\ttopoNodes = scNodes.PrintList()\n 802→\t\t} else {\n 803→\t\t\tsubClusterNodeLists := archive.NodeLists[cluster]\n 804→\t\t\tfor _, nodeList := range subClusterNodeLists {\n 805→\t\t\t\ttopoNodes = append(topoNodes, nodeList.PrintList()...)\n 806→\t\t\t}\n 807→\t\t}\n 808→\t\t// Compare to all nodes from cluster/subcluster in DB\n 809→\t\tvar missingNodes []string\n 810→\t\tfor _, scanNode := range topoNodes {\n 811→\t\t\tif !slices.Contains(nodes, scanNode) {\n 812→\t\t\t\tmissingNodes = append(missingNodes, scanNode)\n 813→\t\t\t}\n 814→\t\t}\n 815→\t\t// Filter nodes by name\n 816→\t\tif nodeFilter != \"\" {\n 817→\t\t\tfilteredNodesByName := []string{}\n 818→\t\t\tfor _, missingNode := range missingNodes {\n 819→\t\t\t\tif strings.Contains(missingNode, nodeFilter) {\n 820→\t\t\t\t\tfilteredNodesByName = append(filteredNodesByName, missingNode)\n 821→\t\t\t\t}\n 822→\t\t\t}\n 823→\t\t\tmissingNodes = filteredNodesByName\n 824→\t\t}\n 825→\t\t// Sort Missing Nodes Alphanumerically\n 826→\t\tslices.Sort(missingNodes)\n 827→\t\t// Total Missing\n 828→\t\tcountNodes = len(missingNodes)\n 829→\t\t// Apply paging\n 830→\t\tif countNodes > page.ItemsPerPage {\n 831→\t\t\tstart := (page.Page - 1) * page.ItemsPerPage\n 832→\t\t\tend := start + page.ItemsPerPage\n 833→\t\t\tif end > countNodes {\n 834→\t\t\t\tend = countNodes\n 835→\t\t\t\thasNextPage = false\n 836→\t\t\t} else {\n 837→\t\t\t\thasNextPage = true\n 838→\t\t\t}\n 839→\t\t\tnodes = missingNodes[start:end]\n 840→\t\t} else {\n 841→\t\t\tnodes = missingNodes\n 842→\t\t}\n 843→\n 844→\t} else {\n 845→\t\t// DB Nodes: Count and derive hasNextPage from count\n 846→\t\tvar cerr error\n 847→\t\tcountNodes, cerr = r.CountNodes(ctx, queryFilters)\n 848→\t\tif cerr != nil {\n 849→\t\t\tcclog.Warn(\"error while counting node database data (Resolver.NodeMetricsList)\")\n 850→\t\t\treturn nil, nil, 0, false, cerr\n 851→\t\t}\n 852→\t\thasNextPage = page.Page*page.ItemsPerPage < countNodes\n 853→\t}\n 854→\n 855→\t// Fallback for non-init'd node table in DB; Ignores stateFilter\n 856→\tif stateFilter == \"all\" && countNodes == 0 {\n 857→\t\tnodes, countNodes, hasNextPage = getNodesFromTopol(cluster, subCluster, nodeFilter, page)\n 858→\t}\n 859→\n 860→\treturn nodes, stateMap, countNodes, hasNextPage, nil\n 861→}\n 862→\n 863→func AccessCheck(ctx context.Context, query sq.SelectBuilder) (sq.SelectBuilder, error) {\n 864→\tuser := GetUserFromContext(ctx)\n 865→\treturn AccessCheckWithUser(user, query)\n 866→}\n 867→\n 868→func AccessCheckWithUser(user *schema.User, query sq.SelectBuilder) (sq.SelectBuilder, error) {\n 869→\tif user == nil {\n 870→\t\tvar qnil sq.SelectBuilder\n 871→\t\treturn qnil, fmt.Errorf(\"user context is nil\")\n 872→\t}\n 873→\n 874→\tswitch {\n 875→\t// case len(user.Roles) == 1 && user.HasRole(schema.RoleApi): // API-User : Access NodeInfos\n 876→\t// \treturn query, nil\n 877→\tcase user.HasAnyRole([]schema.Role{schema.RoleAdmin, schema.RoleSupport}): // Admin & Support : Access NodeInfos\n 878→\t\treturn query, nil\n 879→\tdefault: // No known Role: No Access, return error\n 880→\t\tvar qnil sq.SelectBuilder\n 881→\t\treturn qnil, fmt.Errorf(\"user has no or unknown roles\")\n 882→\t}\n 883→}\n 884→\n 885→func getNodesFromTopol(cluster string, subCluster string, nodeFilter string, page *model.PageRequest) ([]string, int, bool) {\n 886→\t// 0) Init additional vars\n 887→\thasNextPage := false\n 888→\ttotalNodes := 0\n 889→\n 890→\t// 1) Get list of all nodes\n 891→\tvar topolNodes []string\n 892→\tif subCluster != \"\" {\n 893→\t\tscNodes := archive.NodeLists[cluster][subCluster]\n 894→\t\ttopolNodes = scNodes.PrintList()\n 895→\t} else {\n 896→\t\tsubClusterNodeLists := archive.NodeLists[cluster]\n 897→\t\tfor _, nodeList := range subClusterNodeLists {\n 898→\t\t\ttopolNodes = append(topolNodes, nodeList.PrintList()...)\n 899→\t\t}\n 900→\t}\n 901→\n 902→\t// 2) Filter nodes\n 903→\tif nodeFilter != \"\" {\n 904→\t\tfilteredNodes := []string{}\n 905→\t\tfor _, node := range topolNodes {\n 906→\t\t\tif strings.Contains(node, nodeFilter) {\n 907→\t\t\t\tfilteredNodes = append(filteredNodes, node)\n 908→\t\t\t}\n 909→\t\t}\n 910→\t\ttopolNodes = filteredNodes\n 911→\t}\n 912→\n 913→\t// 2.1) Count total nodes && Sort nodes -> Sorting invalidated after ccms return ...\n 914→\ttotalNodes = len(topolNodes)\n 915→\tsort.Strings(topolNodes)\n 916→\n 917→\t// 3) Apply paging\n 918→\tif len(topolNodes) > page.ItemsPerPage {\n 919→\t\tstart := (page.Page - 1) * page.ItemsPerPage\n 920→\t\tend := start + page.ItemsPerPage\n 921→\t\tif end >= len(topolNodes) {\n 922→\t\t\tend = len(topolNodes)\n 923→\t\t\thasNextPage = false\n 924→\t\t} else {\n 925→\t\t\thasNextPage = true\n 926→\t\t}\n 927→\t\ttopolNodes = topolNodes[start:end]\n 928→\t}\n 929→\n 930→\treturn topolNodes, totalNodes, hasNextPage\n 931→}\n 932→"}]},"uuid":"03f22215-2b2f-4d66-95bd-fc6d163a453e","timestamp":"2026-03-16T10:57:18.112Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"9bcb6993-f0d6-4d8e-a045-4d0916fbadd8","timestamp":"2026-03-16T10:57:18.113Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"c4883260-3fe4-4810-a8ea-65ebb0f39e06","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VtzMMiihoFFMDVYfu1hbBF","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→// Package config implements the program configuration data structures, validation and parsing\n 7→package config\n 8→\n 9→import (\n 10→\t\"bytes\"\n 11→\t\"encoding/json\"\n 12→\t\"time\"\n 13→\n 14→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 15→\t\"github.com/ClusterCockpit/cc-lib/v2/resampler\"\n 16→)\n 17→\n 18→type ProgramConfig struct {\n 19→\t// Address where the http (or https) server will listen on (for example: 'localhost:80').\n 20→\tAddr string `json:\"addr\"`\n 21→\n 22→\t// Addresses from which secured admin API endpoints can be reached, can be wildcard \"*\"\n 23→\tAPIAllowedIPs []string `json:\"api-allowed-ips\"`\n 24→\n 25→\tAPISubjects *NATSConfig `json:\"api-subjects\"`\n 26→\n 27→\t// Drop root permissions once .env was read and the port was taken.\n 28→\tUser string `json:\"user\"`\n 29→\tGroup string `json:\"group\"`\n 30→\n 31→\t// Disable authentication (for everything: API, Web-UI, ...)\n 32→\tDisableAuthentication bool `json:\"disable-authentication\"`\n 33→\n 34→\t// If `embed-static-files` is true (default), the frontend files are directly\n 35→\t// embeded into the go binary and expected to be in web/frontend. Only if\n 36→\t// it is false the files in `static-files` are served instead.\n 37→\tEmbedStaticFiles bool `json:\"embed-static-files\"`\n 38→\tStaticFiles string `json:\"static-files\"`\n 39→\n 40→\t// Path to SQLite database file\n 41→\tDB string `json:\"db\"`\n 42→\n 43→\tEnableJobTaggers bool `json:\"enable-job-taggers\"`\n 44→\n 45→\t// Validate json input against schema\n 46→\tValidate bool `json:\"validate\"`\n 47→\n 48→\t// If 0 or empty, the session does not expire!\n 49→\tSessionMaxAge string `json:\"session-max-age\"`\n 50→\n 51→\t// If both those options are not empty, use HTTPS using those certificates.\n 52→\tHTTPSCertFile string `json:\"https-cert-file\"`\n 53→\tHTTPSKeyFile string `json:\"https-key-file\"`\n 54→\n 55→\t// If not the empty string and `addr` does not end in \":80\",\n 56→\t// redirect every request incoming at port 80 to that url.\n 57→\tRedirectHTTPTo string `json:\"redirect-http-to\"`\n 58→\n 59→\t// Where to store MachineState files\n 60→\tMachineStateDir string `json:\"machine-state-dir\"`\n 61→\n 62→\t// If not zero, automatically mark jobs as stopped running X seconds longer than their walltime.\n 63→\tStopJobsExceedingWalltime int `json:\"stop-jobs-exceeding-walltime\"`\n 64→\n 65→\t// Defines time X in seconds in which jobs are considered to be \"short\" and will be filtered in specific views.\n 66→\tShortRunningJobsDuration int `json:\"short-running-jobs-duration\"`\n 67→\n 68→\t// Energy Mix CO2 Emission Constant [g/kWh]\n 69→\t// If entered, displays estimated CO2 emission for job based on jobs totalEnergy\n 70→\tEmissionConstant int `json:\"emission-constant\"`\n 71→\n 72→\t// If exists, will enable dynamic zoom in frontend metric plots using the configured values\n 73→\tEnableResampling *ResampleConfig `json:\"resampling\"`\n 74→\n 75→\t// Systemd unit name for log viewer (default: \"clustercockpit\")\n 76→\tSystemdUnit string `json:\"systemd-unit\"`\n 77→\n 78→\t// Node state retention configuration\n 79→\tNodeStateRetention *NodeStateRetention `json:\"nodestate-retention\"`\n 80→\n 81→\t// Database tuning configuration\n 82→\tDbConfig *DbConfig `json:\"db-config\"`\n 83→}\n 84→\n 85→type DbConfig struct {\n 86→\tCacheSizeMB int `json:\"cache-size-mb\"`\n 87→\tSoftHeapLimitMB int `json:\"soft-heap-limit-mb\"`\n 88→\tMaxOpenConnections int `json:\"max-open-connections\"`\n 89→\tMaxIdleConnections int `json:\"max-idle-connections\"`\n 90→\tConnectionMaxIdleTimeMins int `json:\"max-idle-time-minutes\"`\n 91→\tBusyTimeoutMs int `json:\"busy-timeout-ms\"`\n 92→}\n 93→\n 94→type NodeStateRetention struct {\n 95→\tPolicy string `json:\"policy\"` // \"delete\" or \"move\"\n 96→\tAge int `json:\"age\"` // hours, default 24\n 97→\tTargetKind string `json:\"target-kind\"` // \"file\" or \"s3\"\n 98→\tTargetPath string `json:\"target-path\"`\n 99→\tTargetEndpoint string `json:\"target-endpoint\"`\n 100→\tTargetBucket string `json:\"target-bucket\"`\n 101→\tTargetAccessKey string `json:\"target-access-key\"`\n 102→\tTargetSecretKey string `json:\"target-secret-key\"`\n 103→\tTargetRegion string `json:\"target-region\"`\n 104→\tTargetUsePathStyle bool `json:\"target-use-path-style\"`\n 105→\tMaxFileSizeMB int `json:\"max-file-size-mb\"`\n 106→}\n 107→\n 108→type ResampleConfig struct {\n 109→\t// Minimum number of points to trigger resampling of data\n 110→\tMinimumPoints int `json:\"minimum-points\"`\n 111→\t// Array of resampling target resolutions, in seconds; Example: [600,300,60]\n 112→\tResolutions []int `json:\"resolutions\"`\n 113→\t// Trigger next zoom level at less than this many visible datapoints\n 114→\tTrigger int `json:\"trigger\"`\n 115→}\n 116→\n 117→type NATSConfig struct {\n 118→\tSubjectJobEvent string `json:\"subject-job-event\"`\n 119→\tSubjectNodeState string `json:\"subject-node-state\"`\n 120→\tJobConcurrency int `json:\"job-concurrency\"`\n 121→\tNodeConcurrency int `json:\"node-concurrency\"`\n 122→}\n 123→\n 124→type IntRange struct {\n 125→\tFrom int `json:\"from\"`\n 126→\tTo int `json:\"to\"`\n 127→}\n 128→\n 129→type TimeRange struct {\n 130→\tFrom *time.Time `json:\"from\"`\n 131→\tTo *time.Time `json:\"to\"`\n 132→\tRange string `json:\"range,omitempty\"`\n 133→}\n 134→\n 135→type FilterRanges struct {\n 136→\tDuration *IntRange `json:\"duration\"`\n 137→\tNumNodes *IntRange `json:\"num-nodes\"`\n 138→\tStartTime *TimeRange `json:\"start-time\"`\n 139→}\n 140→\n 141→var Keys ProgramConfig = ProgramConfig{\n 142→\tAddr: \"localhost:8080\",\n 143→\tEmbedStaticFiles: true,\n 144→\tDB: \"./var/job.db\",\n 145→\tSessionMaxAge: \"168h\",\n 146→\tStopJobsExceedingWalltime: 0,\n 147→\tShortRunningJobsDuration: 5 * 60,\n 148→}\n 149→\n 150→func Init(mainConfig json.RawMessage) {\n 151→\tValidate(configSchema, mainConfig)\n 152→\tdec := json.NewDecoder(bytes.NewReader(mainConfig))\n 153→\tdec.DisallowUnknownFields()\n 154→\tif err := dec.Decode(&Keys); err != nil {\n 155→\t\tcclog.Abortf(\"Config Init: Could not decode config file '%s'.\\nError: %s\\n\", mainConfig, err.Error())\n 156→\t}\n 157→\n 158→\tif Keys.EnableResampling != nil && Keys.EnableResampling.MinimumPoints > 0 {\n 159→\t\tresampler.SetMinimumRequiredPoints(Keys.EnableResampling.MinimumPoints)\n 160→\t}\n 161→}\n 162→"}]},"uuid":"3fd7ecb9-17e4-4a4a-9a38-a03b1cb2176e","timestamp":"2026-03-16T10:57:18.231Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"3a871a63-6074-4d2f-a7d6-6272aaa50137","timestamp":"2026-03-16T10:57:18.334Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"6edbc8cb-4f9f-4630-9fb6-6da6c8ffd104","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01FudfjBJBewRWkUg7pS88GT","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→// Package api provides the REST API layer for ClusterCockpit.\n 7→// It handles HTTP requests for job management, user administration,\n 8→// cluster queries, node state updates, and metrics storage operations.\n 9→// The API supports both JWT token authentication and session-based authentication.\n 10→package api\n 11→\n 12→import (\n 13→\t\"encoding/json\"\n 14→\t\"fmt\"\n 15→\t\"io\"\n 16→\t\"net/http\"\n 17→\t\"os\"\n 18→\t\"path/filepath\"\n 19→\t\"strings\"\n 20→\t\"sync\"\n 21→\n 22→\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\n 23→\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n 24→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 25→\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n 26→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 27→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 28→\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n 29→\t\"github.com/go-chi/chi/v5\"\n 30→)\n 31→\n 32→// @title ClusterCockpit REST API\n 33→// @version 1.0.0\n 34→// @description API for batch job control.\n 35→\n 36→// @contact.name ClusterCockpit Project\n 37→// @contact.url https://github.com/ClusterCockpit\n 38→// @contact.email support@clustercockpit.org\n 39→\n 40→// @license.name MIT License\n 41→// @license.url https://opensource.org/licenses/MIT\n 42→\n 43→// @host localhost:8080\n 44→\n 45→// @securityDefinitions.apikey ApiKeyAuth\n 46→// @in header\n 47→// @name X-Auth-Token\n 48→\n 49→const (\n 50→\tnoticeFilePath = \"./var/notice.txt\"\n 51→\tnoticeFilePerms = 0o644\n 52→\tmaxNoticeLength = 10000 // Maximum allowed notice content length in characters\n 53→)\n 54→\n 55→type RestAPI struct {\n 56→\tJobRepository *repository.JobRepository\n 57→\tAuthentication *auth.Authentication\n 58→\tMachineStateDir string\n 59→\t// RepositoryMutex protects job creation operations from race conditions\n 60→\t// when checking for duplicate jobs during startJob API calls.\n 61→\t// It prevents concurrent job starts with the same jobId/cluster/startTime\n 62→\t// from creating duplicate entries in the database.\n 63→\tRepositoryMutex sync.Mutex\n 64→}\n 65→\n 66→// New creates and initializes a new RestAPI instance with configured dependencies.\n 67→func New() *RestAPI {\n 68→\treturn &RestAPI{\n 69→\t\tJobRepository: repository.GetJobRepository(),\n 70→\t\tMachineStateDir: config.Keys.MachineStateDir,\n 71→\t\tAuthentication: auth.GetAuthInstance(),\n 72→\t}\n 73→}\n 74→\n 75→// MountAPIRoutes registers REST API endpoints for job and cluster management.\n 76→// These routes use JWT token authentication via the X-Auth-Token header.\n 77→func (api *RestAPI) MountAPIRoutes(r chi.Router) {\n 78→\t// REST API Uses TokenAuth\n 79→\t// User List\n 80→\tr.Get(\"/users/\", api.getUsers)\n 81→\t// Cluster List\n 82→\tr.Get(\"/clusters/\", api.getClusters)\n 83→\t// Slurm node state\n 84→\tr.Post(\"/nodestate/\", api.updateNodeStates)\n 85→\tr.Put(\"/nodestate/\", api.updateNodeStates)\n 86→\t// Job Handler\n 87→\tif config.Keys.APISubjects == nil {\n 88→\t\tcclog.Info(\"Enabling REST start/stop job API\")\n 89→\t\tr.Post(\"/jobs/start_job/\", api.startJob)\n 90→\t\tr.Put(\"/jobs/start_job/\", api.startJob)\n 91→\t\tr.Post(\"/jobs/stop_job/\", api.stopJobByRequest)\n 92→\t\tr.Put(\"/jobs/stop_job/\", api.stopJobByRequest)\n 93→\t}\n 94→\tr.Get(\"/jobs/\", api.getJobs)\n 95→\tr.Get(\"/jobs/used_nodes\", api.getUsedNodes)\n 96→\tr.Post(\"/jobs/tag_job/{id}\", api.tagJob)\n 97→\tr.Patch(\"/jobs/tag_job/{id}\", api.tagJob)\n 98→\tr.Delete(\"/jobs/tag_job/{id}\", api.removeTagJob)\n 99→\tr.Patch(\"/jobs/edit_meta/{id}\", api.editMeta)\n 100→\tr.Patch(\"/jobs/edit_meta/\", api.editMetaByRequest)"}]},"uuid":"5a932477-788a-44ea-a542-492ab270bdb1","timestamp":"2026-03-16T10:57:18.346Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"9624a4bb-2ebb-4668-927e-236919cc5140","timestamp":"2026-03-16T10:57:18.356Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"b2ef9289-5ef3-4bf3-96ee-e3ef682d436e","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01DJ6neowjdnB1wv2DgQSoTp","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→package api\n 6→\n 7→import (\n 8→\t\"context\"\n 9→\t\"database/sql\"\n 10→\t\"encoding/json\"\n 11→\t\"fmt\"\n 12→\t\"os\"\n 13→\t\"path/filepath\"\n 14→\t\"testing\"\n 15→\t\"time\"\n 16→\n 17→\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n 18→\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\n 19→\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n 20→\t\"github.com/ClusterCockpit/cc-backend/internal/graph\"\n 21→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 22→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 23→\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n 24→\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n 25→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 26→\tlp \"github.com/ClusterCockpit/cc-lib/v2/ccMessage\"\n 27→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 28→\n 29→\t_ \"github.com/mattn/go-sqlite3\"\n 30→)\n 31→\n 32→func setupNatsTest(t *testing.T) *NatsAPI {\n 33→\trepository.ResetConnection()\n 34→\n 35→\tconst testconfig = `{\n 36→\t\t\"main\": {\n 37→\t\"addr\": \"0.0.0.0:8080\",\n 38→\t\"validate\": false,\n 39→ \"api-allowed-ips\": [\n 40→ \"*\"\n 41→ ]\n 42→\t},\n 43→\t\"archive\": {\n 44→\t\t\"kind\": \"file\",\n 45→\t\t\"path\": \"./var/job-archive\"\n 46→\t},\n 47→\t\"auth\": {\n 48→ \"jwts\": {\n 49→ \"max-age\": \"2m\"\n 50→ }\n 51→\t}\n 52→}`\n 53→\tconst testclusterJSON = `{\n 54→ \"name\": \"testcluster\",\n 55→\t\t\"subClusters\": [\n 56→\t\t\t{\n 57→\t\t\t\t\"name\": \"sc1\",\n 58→\t\t\t\t\"nodes\": \"host123,host124,host125\",\n 59→\t\t\t\t\"processorType\": \"Intel Core i7-4770\",\n 60→\t\t\t\t\"socketsPerNode\": 1,\n 61→\t\t\t\t\"coresPerSocket\": 4,\n 62→\t\t\t\t\"threadsPerCore\": 2,\n 63→ \"flopRateScalar\": {\n 64→ \"unit\": {\n 65→ \"prefix\": \"G\",\n 66→ \"base\": \"F/s\"\n 67→ },\n 68→ \"value\": 14\n 69→ },\n 70→ \"flopRateSimd\": {\n 71→ \"unit\": {\n 72→ \"prefix\": \"G\",\n 73→ \"base\": \"F/s\"\n 74→ },\n 75→ \"value\": 112\n 76→ },\n 77→ \"memoryBandwidth\": {\n 78→ \"unit\": {\n 79→ \"prefix\": \"G\",\n 80→ \"base\": \"B/s\"\n 81→ },\n 82→ \"value\": 24\n 83→ },\n 84→ \"numberOfNodes\": 70,\n 85→\t\t\t\t\"topology\": {\n 86→\t\t\t\t\t\"node\": [0, 1, 2, 3, 4, 5, 6, 7],\n 87→\t\t\t\t\t\"socket\": [[0, 1, 2, 3, 4, 5, 6, 7]],\n 88→\t\t\t\t\t\"memoryDomain\": [[0, 1, 2, 3, 4, 5, 6, 7]],\n 89→\t\t\t\t\t\"die\": [[0, 1, 2, 3, 4, 5, 6, 7]],\n 90→\t\t\t\t\t\"core\": [[0], [1], [2], [3], [4], [5], [6], [7]]\n 91→\t\t\t\t}\n 92→\t\t\t}\n 93→\t\t],\n 94→\t\t\"metricConfig\": [\n 95→\t\t\t{\n 96→\t\t\t\t\"name\": \"load_one\",\n 97→\t\t\t \"unit\": { \"base\": \"\"},\n 98→\t\t\t\t\"scope\": \"node\",\n 99→\t\t\t\t\"timestep\": 60,\n 100→ \"aggregation\": \"avg\",\n 101→\t\t\t\t\"peak\": 8,\n 102→\t\t\t\t\"normal\": 0,\n 103→\t\t\t\t\"caution\": 0,\n 104→\t\t\t\t\"alert\": 0\n 105→\t\t\t}\n 106→\t\t]\n 107→\t}`\n 108→\n 109→\tcclog.Init(\"info\", true)\n 110→\ttmpdir := t.TempDir()\n 111→\tjobarchive := filepath.Join(tmpdir, \"job-archive\")\n 112→\tif err := os.Mkdir(jobarchive, 0o777); err != nil {\n 113→\t\tt.Fatal(err)\n 114→\t}\n 115→\n 116→\tif err := os.WriteFile(filepath.Join(jobarchive, \"version.txt\"), fmt.Appendf(nil, \"%d\", 3), 0o666); err != nil {\n 117→\t\tt.Fatal(err)\n 118→\t}\n 119→\n 120→\tif err := os.Mkdir(filepath.Join(jobarchive, \"testcluster\"), 0o777); err != nil {\n 121→\t\tt.Fatal(err)\n 122→\t}\n 123→\n 124→\tif err := os.WriteFile(filepath.Join(jobarchive, \"testcluster\", \"cluster.json\"), []byte(testclusterJSON), 0o666); err != nil {\n 125→\t\tt.Fatal(err)\n 126→\t}\n 127→\n 128→\tdbfilepath := filepath.Join(tmpdir, \"test.db\")\n 129→\terr := repository.MigrateDB(dbfilepath)\n 130→\tif err != nil {\n 131→\t\tt.Fatal(err)\n 132→\t}\n 133→\n 134→\tcfgFilePath := filepath.Join(tmpdir, \"config.json\")\n 135→\tif err := os.WriteFile(cfgFilePath, []byte(testconfig), 0o666); err != nil {\n 136→\t\tt.Fatal(err)\n 137→\t}\n 138→\n 139→\tccconf.Init(cfgFilePath)\n 140→\n 141→\t// Load and check main configuration\n 142→\tif cfg := ccconf.GetPackageConfig(\"main\"); cfg != nil {\n 143→\t\tconfig.Init(cfg)\n 144→\t} else {\n 145→\t\tcclog.Abort(\"Main configuration must be present\")\n 146→\t}\n 147→\tarchiveCfg := fmt.Sprintf(\"{\\\"kind\\\": \\\"file\\\",\\\"path\\\": \\\"%s\\\"}\", jobarchive)\n 148→\n 149→\trepository.Connect(dbfilepath)\n 150→\n 151→\tif err := archive.Init(json.RawMessage(archiveCfg)); err != nil {\n 152→\t\tt.Fatal(err)\n 153→\t}\n 154→\n 155→\t// metricstore initialization removed - it's initialized via callback in tests\n 156→\n 157→\tarchiver.Start(repository.GetJobRepository(), context.Background())\n 158→\n 159→\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n 160→\t\tauth.Init(&cfg)\n 161→\t} else {\n 162→\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n 163→\t\tauth.Init(nil)\n 164→\t}\n 165→\n 166→\tgraph.Init()\n 167→\n 168→\treturn NewNatsAPI()\n 169→}\n 170→\n 171→func cleanupNatsTest() {\n 172→\tif err := archiver.Shutdown(5 * time.Second); err != nil {\n 173→\t\tcclog.Warnf(\"Archiver shutdown timeout in tests: %v\", err)\n 174→\t}\n 175→}\n 176→\n 177→func TestNatsHandleStartJob(t *testing.T) {\n 178→\tnatsAPI := setupNatsTest(t)\n 179→\tt.Cleanup(cleanupNatsTest)\n 180→\n 181→\ttests := []struct {\n 182→\t\tname string\n 183→\t\tpayload string\n 184→\t\texpectError bool\n 185→\t\tvalidateJob func(t *testing.T, job *schema.Job)\n 186→\t\tshouldFindJob bool\n 187→\t}{\n 188→\t\t{\n 189→\t\t\tname: \"valid job start\",\n 190→\t\t\tpayload: `{\n 191→\t\t\t\t\"jobId\": 1001,\n 192→\t\t\t\t\"user\": \"testuser1\",\n 193→\t\t\t\t\"project\": \"testproj1\",\n 194→\t\t\t\t\"cluster\": \"testcluster\",\n 195→\t\t\t\t\"partition\": \"main\",\n 196→\t\t\t\t\"walltime\": 7200,\n 197→\t\t\t\t\"numNodes\": 1,\n 198→\t\t\t\t\"numHwthreads\": 8,\n 199→\t\t\t\t\"numAcc\": 0,\n 200→\t\t\t\t\"shared\": \"none\",\n 201→\t\t\t\t\"monitoringStatus\": 1,\n 202→\t\t\t\t\"smt\": 1,\n 203→\t\t\t\t\"resources\": [\n 204→\t\t\t\t\t{\n 205→\t\t\t\t\t\t\"hostname\": \"host123\",\n 206→\t\t\t\t\t\t\"hwthreads\": [0, 1, 2, 3, 4, 5, 6, 7]\n 207→\t\t\t\t\t}\n 208→\t\t\t\t],\n 209→\t\t\t\t\"startTime\": 1234567890\n 210→\t\t\t}`,\n 211→\t\t\texpectError: false,\n 212→\t\t\tshouldFindJob: true,\n 213→\t\t\tvalidateJob: func(t *testing.T, job *schema.Job) {\n 214→\t\t\t\tif job.JobID != 1001 {\n 215→\t\t\t\t\tt.Errorf(\"expected JobID 1001, got %d\", job.JobID)\n 216→\t\t\t\t}\n 217→\t\t\t\tif job.User != \"testuser1\" {\n 218→\t\t\t\t\tt.Errorf(\"expected user testuser1, got %s\", job.User)\n 219→\t\t\t\t}\n 220→\t\t\t\tif job.State != schema.JobStateRunning {\n 221→\t\t\t\t\tt.Errorf(\"expected state running, got %s\", job.State)\n 222→\t\t\t\t}\n 223→\t\t\t},\n 224→\t\t},\n 225→\t\t{\n 226→\t\t\tname: \"invalid JSON\",\n 227→\t\t\tpayload: `{\n 228→\t\t\t\t\"jobId\": \"not a number\",\n 229→\t\t\t\t\"user\": \"testuser2\"\n 230→\t\t\t}`,\n 231→\t\t\texpectError: true,\n 232→\t\t\tshouldFindJob: false,\n 233→\t\t},\n 234→\t\t{\n 235→\t\t\tname: \"missing required fields\",\n 236→\t\t\tpayload: `{\n 237→\t\t\t\t\"jobId\": 1002\n 238→\t\t\t}`,\n 239→\t\t\texpectError: true,\n 240→\t\t\tshouldFindJob: false,\n 241→\t\t},\n 242→\t\t{\n 243→\t\t\tname: \"job with unknown fields (should fail due to DisallowUnknownFields)\",\n 244→\t\t\tpayload: `{\n 245→\t\t\t\t\"jobId\": 1003,\n 246→\t\t\t\t\"user\": \"testuser3\",\n 247→\t\t\t\t\"project\": \"testproj3\",\n 248→\t\t\t\t\"cluster\": \"testcluster\",\n 249→\t\t\t\t\"partition\": \"main\",\n 250→\t\t\t\t\"walltime\": 3600,\n 251→\t\t\t\t\"numNodes\": 1,\n 252→\t\t\t\t\"numHwthreads\": 8,\n 253→\t\t\t\t\"unknownField\": \"should cause error\",\n 254→\t\t\t\t\"startTime\": 1234567900\n 255→\t\t\t}`,\n 256→\t\t\texpectError: true,\n 257→\t\t\tshouldFindJob: false,\n 258→\t\t},\n 259→\t\t{\n 260→\t\t\tname: \"job with tags\",\n 261→\t\t\tpayload: `{\n 262→\t\t\t\t\"jobId\": 1004,\n 263→\t\t\t\t\"user\": \"testuser4\",\n 264→\t\t\t\t\"project\": \"testproj4\",\n 265→\t\t\t\t\"cluster\": \"testcluster\",\n 266→\t\t\t\t\"partition\": \"main\",\n 267→\t\t\t\t\"walltime\": 3600,\n 268→\t\t\t\t\"numNodes\": 1,\n 269→\t\t\t\t\"numHwthreads\": 8,\n 270→\t\t\t\t\"numAcc\": 0,\n 271→\t\t\t\t\"shared\": \"none\",\n 272→\t\t\t\t\"monitoringStatus\": 1,\n 273→\t\t\t\t\"smt\": 1,\n 274→\t\t\t\t\"resources\": [\n 275→\t\t\t\t\t{\n 276→\t\t\t\t\t\t\"hostname\": \"host123\",\n 277→\t\t\t\t\t\t\"hwthreads\": [0, 1, 2, 3]\n 278→\t\t\t\t\t}\n 279→\t\t\t\t],\n 280→\t\t\t\t\"tags\": [\n 281→\t\t\t\t\t{\n 282→\t\t\t\t\t\t\"type\": \"test\",\n 283→\t\t\t\t\t\t\"name\": \"testtag\",\n 284→\t\t\t\t\t\t\"scope\": \"testuser4\"\n 285→\t\t\t\t\t}\n 286→\t\t\t\t],\n 287→\t\t\t\t\"startTime\": 1234567910\n 288→\t\t\t}`,\n 289→\t\t\texpectError: false,\n 290→\t\t\tshouldFindJob: true,\n 291→\t\t\tvalidateJob: func(t *testing.T, job *schema.Job) {\n 292→\t\t\t\tif job.JobID != 1004 {\n 293→\t\t\t\t\tt.Errorf(\"expected JobID 1004, got %d\", job.JobID)\n 294→\t\t\t\t}\n 295→\t\t\t},\n 296→\t\t},\n 297→\t}\n 298→\n 299→\tfor _, tt := range tests {\n 300→\t\tt.Run(tt.name, func(t *testing.T) {\n 301→\t\t\tnatsAPI.handleStartJob(tt.payload)\n 302→\t\t\tnatsAPI.JobRepository.SyncJobs()\n 303→\n 304→\t\t\t// Allow some time for async operations\n 305→\t\t\ttime.Sleep(100 * time.Millisecond)\n 306→\n 307→\t\t\tif tt.shouldFindJob {\n 308→\t\t\t\t// Extract jobId from payload\n 309→\t\t\t\tvar payloadMap map[string]any\n 310→\t\t\t\tjson.Unmarshal([]byte(tt.payload), &payloadMap)\n 311→\t\t\t\tjobID := int64(payloadMap[\"jobId\"].(float64))\n 312→\t\t\t\tcluster := payloadMap[\"cluster\"].(string)\n 313→\t\t\t\tstartTime := int64(payloadMap[\"startTime\"].(float64))\n 314→\n 315→\t\t\t\tjob, err := natsAPI.JobRepository.Find(&jobID, &cluster, &startTime)\n 316→\t\t\t\tif err != nil {\n 317→\t\t\t\t\tif !tt.expectError {\n 318→\t\t\t\t\t\tt.Fatalf(\"expected to find job, but got error: %v\", err)\n 319→\t\t\t\t\t}\n 320→\t\t\t\t\treturn\n 321→\t\t\t\t}\n 322→\n 323→\t\t\t\tif tt.validateJob != nil {\n 324→\t\t\t\t\ttt.validateJob(t, job)\n 325→\t\t\t\t}\n 326→\t\t\t}\n 327→\t\t})\n 328→\t}\n 329→}\n 330→\n 331→func TestNatsHandleStopJob(t *testing.T) {\n 332→\tnatsAPI := setupNatsTest(t)\n 333→\tt.Cleanup(cleanupNatsTest)\n 334→\n 335→\t// First, create a running job\n 336→\tstartPayload := `{\n 337→\t\t\"jobId\": 2001,\n 338→\t\t\"user\": \"testuser\",\n 339→\t\t\"project\": \"testproj\",\n 340→\t\t\"cluster\": \"testcluster\",\n 341→\t\t\"partition\": \"main\",\n 342→\t\t\"walltime\": 3600,\n 343→\t\t\"numNodes\": 1,\n 344→\t\t\"numHwthreads\": 8,\n 345→\t\t\"numAcc\": 0,\n 346→\t\t\"shared\": \"none\",\n 347→\t\t\"monitoringStatus\": 1,\n 348→\t\t\"smt\": 1,\n 349→\t\t\"resources\": [\n 350→\t\t\t{\n 351→\t\t\t\t\"hostname\": \"host123\",\n 352→\t\t\t\t\"hwthreads\": [0, 1, 2, 3, 4, 5, 6, 7]\n 353→\t\t\t}\n 354→\t\t],\n 355→\t\t\"startTime\": 1234567890\n 356→\t}`\n 357→\n 358→\tnatsAPI.handleStartJob(startPayload)\n 359→\tnatsAPI.JobRepository.SyncJobs()\n 360→\ttime.Sleep(100 * time.Millisecond)\n 361→\n 362→\ttests := []struct {\n 363→\t\tname string\n 364→\t\tpayload string\n 365→\t\texpectError bool\n 366→\t\tvalidateJob func(t *testing.T, job *schema.Job)\n 367→\t\tsetupJobFunc func() // Optional: create specific test job\n 368→\t}{\n 369→\t\t{\n 370→\t\t\tname: \"valid job stop - completed\",\n 371→\t\t\tpayload: `{\n 372→\t\t\t\t\"jobId\": 2001,\n 373→\t\t\t\t\"cluster\": \"testcluster\",\n 374→\t\t\t\t\"startTime\": 1234567890,\n 375→\t\t\t\t\"jobState\": \"completed\",\n 376→\t\t\t\t\"stopTime\": 1234571490\n 377→\t\t\t}`,\n 378→\t\t\texpectError: false,\n 379→\t\t\tvalidateJob: func(t *testing.T, job *schema.Job) {\n 380→\t\t\t\tif job.State != schema.JobStateCompleted {\n 381→\t\t\t\t\tt.Errorf(\"expected state completed, got %s\", job.State)\n 382→\t\t\t\t}\n 383→\t\t\t\texpectedDuration := int32(1234571490 - 1234567890)\n 384→\t\t\t\tif job.Duration != expectedDuration {\n 385→\t\t\t\t\tt.Errorf(\"expected duration %d, got %d\", expectedDuration, job.Duration)\n 386→\t\t\t\t}\n 387→\t\t\t},\n 388→\t\t},\n 389→\t\t{\n 390→\t\t\tname: \"valid job stop - failed\",\n 391→\t\t\tsetupJobFunc: func() {\n 392→\t\t\t\tstartPayloadFailed := `{\n 393→\t\t\t\t\t\"jobId\": 2002,\n 394→\t\t\t\t\t\"user\": \"testuser\",\n 395→\t\t\t\t\t\"project\": \"testproj\",\n 396→\t\t\t\t\t\"cluster\": \"testcluster\",\n 397→\t\t\t\t\t\"partition\": \"main\",\n 398→\t\t\t\t\t\"walltime\": 3600,\n 399→\t\t\t\t\t\"numNodes\": 1,\n 400→\t\t\t\t\t\"numHwthreads\": 8,\n 401→\t\t\t\t\t\"numAcc\": 0,\n 402→\t\t\t\t\t\"shared\": \"none\",\n 403→\t\t\t\t\t\"monitoringStatus\": 1,\n 404→\t\t\t\t\t\"smt\": 1,\n 405→\t\t\t\t\t\"resources\": [\n 406→\t\t\t\t\t\t{\n 407→\t\t\t\t\t\t\t\"hostname\": \"host123\",\n 408→\t\t\t\t\t\t\t\"hwthreads\": [0, 1, 2, 3]\n 409→\t\t\t\t\t\t}\n 410→\t\t\t\t\t],\n 411→\t\t\t\t\t\"startTime\": 1234567900\n 412→\t\t\t\t}`\n 413→\t\t\t\tnatsAPI.handleStartJob(startPayloadFailed)\n 414→\t\t\t\tnatsAPI.JobRepository.SyncJobs()\n 415→\t\t\t\ttime.Sleep(100 * time.Millisecond)\n 416→\t\t\t},\n 417→\t\t\tpayload: `{\n 418→\t\t\t\t\"jobId\": 2002,\n 419→\t\t\t\t\"cluster\": \"testcluster\",\n 420→\t\t\t\t\"startTime\": 1234567900,\n 421→\t\t\t\t\"jobState\": \"failed\",\n 422→\t\t\t\t\"stopTime\": 1234569900\n 423→\t\t\t}`,\n 424→\t\t\texpectError: false,\n 425→\t\t\tvalidateJob: func(t *testing.T, job *schema.Job) {\n 426→\t\t\t\tif job.State != schema.JobStateFailed {\n 427→\t\t\t\t\tt.Errorf(\"expected state failed, got %s\", job.State)\n 428→\t\t\t\t}\n 429→\t\t\t},\n 430→\t\t},\n 431→\t\t{\n 432→\t\t\tname: \"invalid JSON\",\n 433→\t\t\tpayload: `{\n 434→\t\t\t\t\"jobId\": \"not a number\"\n 435→\t\t\t}`,\n 436→\t\t\texpectError: true,\n 437→\t\t},\n 438→\t\t{\n 439→\t\t\tname: \"missing jobId\",\n 440→\t\t\tpayload: `{\n 441→\t\t\t\t\"cluster\": \"testcluster\",\n 442→\t\t\t\t\"jobState\": \"completed\",\n 443→\t\t\t\t\"stopTime\": 1234571490\n 444→\t\t\t}`,\n 445→\t\t\texpectError: true,\n 446→\t\t},\n 447→\t\t{\n 448→\t\t\tname: \"invalid job state\",\n 449→\t\t\tsetupJobFunc: func() {\n 450→\t\t\t\tstartPayloadInvalid := `{\n 451→\t\t\t\t\t\"jobId\": 2003,\n 452→\t\t\t\t\t\"user\": \"testuser\",\n 453→\t\t\t\t\t\"project\": \"testproj\",\n 454→\t\t\t\t\t\"cluster\": \"testcluster\",\n 455→\t\t\t\t\t\"partition\": \"main\",\n 456→\t\t\t\t\t\"walltime\": 3600,\n 457→\t\t\t\t\t\"numNodes\": 1,\n 458→\t\t\t\t\t\"numHwthreads\": 8,\n 459→\t\t\t\t\t\"numAcc\": 0,\n 460→\t\t\t\t\t\"shared\": \"none\",\n 461→\t\t\t\t\t\"monitoringStatus\": 1,\n 462→\t\t\t\t\t\"smt\": 1,\n 463→\t\t\t\t\t\"resources\": [\n 464→\t\t\t\t\t\t{\n 465→\t\t\t\t\t\t\t\"hostname\": \"host123\",\n 466→\t\t\t\t\t\t\t\"hwthreads\": [0, 1]\n 467→\t\t\t\t\t\t}\n 468→\t\t\t\t\t],\n 469→\t\t\t\t\t\"startTime\": 1234567910\n 470→\t\t\t\t}`\n 471→\t\t\t\tnatsAPI.handleStartJob(startPayloadInvalid)\n 472→\t\t\t\tnatsAPI.JobRepository.SyncJobs()\n 473→\t\t\t\ttime.Sleep(100 * time.Millisecond)\n 474→\t\t\t},\n 475→\t\t\tpayload: `{\n 476→\t\t\t\t\"jobId\": 2003,\n 477→\t\t\t\t\"cluster\": \"testcluster\",\n 478→\t\t\t\t\"startTime\": 1234567910,\n 479→\t\t\t\t\"jobState\": \"invalid_state\",\n 480→\t\t\t\t\"stopTime\": 1234571510\n 481→\t\t\t}`,\n 482→\t\t\texpectError: true,\n 483→\t\t},\n 484→\t\t{\n 485→\t\t\tname: \"stopTime before startTime\",\n 486→\t\t\tsetupJobFunc: func() {\n 487→\t\t\t\tstartPayloadTime := `{\n 488→\t\t\t\t\t\"jobId\": 2004,\n 489→\t\t\t\t\t\"user\": \"testuser\",\n 490→\t\t\t\t\t\"project\": \"testproj\",\n 491→\t\t\t\t\t\"cluster\": \"testcluster\",\n 492→\t\t\t\t\t\"partition\": \"main\",\n 493→\t\t\t\t\t\"walltime\": 3600,\n 494→\t\t\t\t\t\"numNodes\": 1,\n 495→\t\t\t\t\t\"numHwthreads\": 8,\n 496→\t\t\t\t\t\"numAcc\": 0,\n 497→\t\t\t\t\t\"shared\": \"none\",\n 498→\t\t\t\t\t\"monitoringStatus\": 1,\n 499→\t\t\t\t\t\"smt\": 1,\n 500→\t\t\t\t\t\"resources\": [\n 501→\t\t\t\t\t\t{\n 502→\t\t\t\t\t\t\t\"hostname\": \"host123\",\n 503→\t\t\t\t\t\t\t\"hwthreads\": [0]\n 504→\t\t\t\t\t\t}\n 505→\t\t\t\t\t],\n 506→\t\t\t\t\t\"startTime\": 1234567920\n 507→\t\t\t\t}`\n 508→\t\t\t\tnatsAPI.handleStartJob(startPayloadTime)\n 509→\t\t\t\tnatsAPI.JobRepository.SyncJobs()\n 510→\t\t\t\ttime.Sleep(100 * time.Millisecond)\n 511→\t\t\t},\n 512→\t\t\tpayload: `{\n 513→\t\t\t\t\"jobId\": 2004,\n 514→\t\t\t\t\"cluster\": \"testcluster\",\n 515→\t\t\t\t\"startTime\": 1234567920,\n 516→\t\t\t\t\"jobState\": \"completed\",\n 517→\t\t\t\t\"stopTime\": 1234567900\n 518→\t\t\t}`,\n 519→\t\t\texpectError: true,\n 520→\t\t},\n 521→\t\t{\n 522→\t\t\tname: \"job not found\",\n 523→\t\t\tpayload: `{\n 524→\t\t\t\t\"jobId\": 99999,\n 525→\t\t\t\t\"cluster\": \"testcluster\",\n 526→\t\t\t\t\"startTime\": 1234567890,\n 527→\t\t\t\t\"jobState\": \"completed\",\n 528→\t\t\t\t\"stopTime\": 1234571490\n 529→\t\t\t}`,\n 530→\t\t\texpectError: true,\n 531→\t\t},\n 532→\t}\n 533→\n 534→\ttestData := schema.JobData{\n 535→\t\t\"load_one\": map[schema.MetricScope]*schema.JobMetric{\n 536→\t\t\tschema.MetricScopeNode: {\n 537→\t\t\t\tUnit: schema.Unit{Base: \"load\"},\n 538→\t\t\t\tTimestep: 60,\n 539→\t\t\t\tSeries: []schema.Series{\n 540→\t\t\t\t\t{\n 541→\t\t\t\t\t\tHostname: \"host123\",\n 542→\t\t\t\t\t\tStatistics: schema.MetricStatistics{Min: 0.1, Avg: 0.2, Max: 0.3},\n 543→\t\t\t\t\t\tData: []schema.Float{0.1, 0.1, 0.1, 0.2, 0.2, 0.2, 0.3, 0.3, 0.3},\n 544→\t\t\t\t\t},\n 545→\t\t\t\t},\n 546→\t\t\t},\n 547→\t\t},\n 548→\t}\n 549→\n 550→\tmetricstore.TestLoadDataCallback = func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context, resolution int) (schema.JobData, error) {\n 551→\t\treturn testData, nil\n 552→\t}\n 553→\n 554→\tfor _, tt := range tests {\n 555→\t\tt.Run(tt.name, func(t *testing.T) {\n 556→\t\t\tif tt.setupJobFunc != nil {\n 557→\t\t\t\ttt.setupJobFunc()\n 558→\t\t\t}\n 559→\n 560→\t\t\tnatsAPI.handleStopJob(tt.payload)\n 561→\n 562→\t\t\t// Allow some time for async operations\n 563→\t\t\ttime.Sleep(100 * time.Millisecond)\n 564→\n 565→\t\t\tif !tt.expectError && tt.validateJob != nil {\n 566→\t\t\t\t// Extract job details from payload\n 567→\t\t\t\tvar payloadMap map[string]any\n 568→\t\t\t\tjson.Unmarshal([]byte(tt.payload), &payloadMap)\n 569→\t\t\t\tjobID := int64(payloadMap[\"jobId\"].(float64))\n 570→\t\t\t\tcluster := payloadMap[\"cluster\"].(string)\n 571→\n 572→\t\t\t\tvar startTime *int64\n 573→\t\t\t\tif st, ok := payloadMap[\"startTime\"]; ok {\n 574→\t\t\t\t\tt := int64(st.(float64))\n 575→\t\t\t\t\tstartTime = &t\n 576→\t\t\t\t}\n 577→\n 578→\t\t\t\tjob, err := natsAPI.JobRepository.Find(&jobID, &cluster, startTime)\n 579→\t\t\t\tif err != nil {\n 580→\t\t\t\t\tt.Fatalf(\"expected to find job, but got error: %v\", err)\n 581→\t\t\t\t}\n 582→\n 583→\t\t\t\ttt.validateJob(t, job)\n 584→\t\t\t}\n 585→\t\t})\n 586→\t}\n 587→}\n 588→\n 589→func TestNatsHandleNodeState(t *testing.T) {\n 590→\tnatsAPI := setupNatsTest(t)\n 591→\tt.Cleanup(cleanupNatsTest)\n 592→\n 593→\ttests := []struct {\n 594→\t\tname string\n 595→\t\tdata []byte\n 596→\t\texpectError bool\n 597→\t\tvalidateFn func(t *testing.T)\n 598→\t}{\n 599→\t\t{\n 600→\t\t\tname: \"valid node state update\",\n 601→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"host123\\\",\\\"states\\\":[\\\"allocated\\\"],\\\"cpusAllocated\\\":8,\\\"memoryAllocated\\\":16384,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":1}]}\" 1234567890000000000`),\n 602→\t\t\texpectError: false,\n 603→\t\t\tvalidateFn: func(t *testing.T) {\n 604→\t\t\t\t// In a full test, we would verify the node state was updated in the database\n 605→\t\t\t\t// For now, just ensure no error occurred\n 606→\t\t\t},\n 607→\t\t},\n 608→\t\t{\n 609→\t\t\tname: \"multiple nodes\",\n 610→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"host123\\\",\\\"states\\\":[\\\"idle\\\"],\\\"cpusAllocated\\\":0,\\\"memoryAllocated\\\":0,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":0},{\\\"hostname\\\":\\\"host124\\\",\\\"states\\\":[\\\"allocated\\\"],\\\"cpusAllocated\\\":4,\\\"memoryAllocated\\\":8192,\\\"gpusAllocated\\\":1,\\\"jobsRunning\\\":1}]}\" 1234567890000000000`),\n 611→\t\t\texpectError: false,\n 612→\t\t},\n 613→\t\t{\n 614→\t\t\tname: \"invalid JSON in event field\",\n 615→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":\\\"not an array\\\"}\" 1234567890000000000`),\n 616→\t\t\texpectError: true,\n 617→\t\t},\n 618→\t\t{\n 619→\t\t\tname: \"empty nodes array\",\n 620→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[]}\" 1234567890000000000`),\n 621→\t\t\texpectError: false, // Empty array should not cause error\n 622→\t\t},\n 623→\t\t{\n 624→\t\t\tname: \"invalid line protocol format\",\n 625→\t\t\tdata: []byte(`invalid line protocol format`),\n 626→\t\t\texpectError: true,\n 627→\t\t},\n 628→\t\t{\n 629→\t\t\tname: \"empty data\",\n 630→\t\t\tdata: []byte(``),\n 631→\t\t\texpectError: false, // Should be handled gracefully with warning\n 632→\t\t},\n 633→\t}\n 634→\n 635→\tfor _, tt := range tests {\n 636→\t\tt.Run(tt.name, func(t *testing.T) {\n 637→\t\t\tnatsAPI.handleNodeState(\"test.subject\", tt.data)\n 638→\n 639→\t\t\t// Allow some time for async operations\n 640→\t\t\ttime.Sleep(50 * time.Millisecond)\n 641→\n 642→\t\t\tif tt.validateFn != nil {\n 643→\t\t\t\ttt.validateFn(t)\n 644→\t\t\t}\n 645→\t\t})\n 646→\t}\n 647→}\n 648→\n 649→func TestNatsProcessJobEvent(t *testing.T) {\n 650→\tnatsAPI := setupNatsTest(t)\n 651→\tt.Cleanup(cleanupNatsTest)\n 652→\n 653→\tmsgStartJob, err := lp.NewMessage(\n 654→\t\t\"job\",\n 655→\t\tmap[string]string{\"function\": \"start_job\"},\n 656→\t\tnil,\n 657→\t\tmap[string]any{\n 658→\t\t\t\"event\": `{\n 659→\t\t\t\t\"jobId\": 3001,\n 660→\t\t\t\t\"user\": \"testuser\",\n 661→\t\t\t\t\"project\": \"testproj\",\n 662→\t\t\t\t\"cluster\": \"testcluster\",\n 663→\t\t\t\t\"partition\": \"main\",\n 664→\t\t\t\t\"walltime\": 3600,\n 665→\t\t\t\t\"numNodes\": 1,\n 666→\t\t\t\t\"numHwthreads\": 8,\n 667→\t\t\t\t\"numAcc\": 0,\n 668→\t\t\t\t\"shared\": \"none\",\n 669→\t\t\t\t\"monitoringStatus\": 1,\n 670→\t\t\t\t\"smt\": 1,\n 671→\t\t\t\t\"resources\": [\n 672→\t\t\t\t\t{\n 673→\t\t\t\t\t\t\"hostname\": \"host123\",\n 674→\t\t\t\t\t\t\"hwthreads\": [0, 1, 2, 3]\n 675→\t\t\t\t\t}\n 676→\t\t\t\t],\n 677→\t\t\t\t\"startTime\": 1234567890\n 678→\t\t\t}`,\n 679→\t\t},\n 680→\t\ttime.Now(),\n 681→\t)\n 682→\tif err != nil {\n 683→\t\tt.Fatalf(\"failed to create test message: %v\", err)\n 684→\t}\n 685→\n 686→\tmsgMissingTag, err := lp.NewMessage(\n 687→\t\t\"job\",\n 688→\t\tmap[string]string{},\n 689→\t\tnil,\n 690→\t\tmap[string]any{\n 691→\t\t\t\"event\": `{}`,\n 692→\t\t},\n 693→\t\ttime.Now(),\n 694→\t)\n 695→\tif err != nil {\n 696→\t\tt.Fatalf(\"failed to create test message: %v\", err)\n 697→\t}\n 698→\n 699→\tmsgUnknownFunc, err := lp.NewMessage(\n 700→\t\t\"job\",\n 701→\t\tmap[string]string{\"function\": \"unknown_function\"},\n 702→\t\tnil,\n 703→\t\tmap[string]any{\n 704→\t\t\t\"event\": `{}`,\n 705→\t\t},\n 706→\t\ttime.Now(),\n 707→\t)\n 708→\tif err != nil {\n 709→\t\tt.Fatalf(\"failed to create test message: %v\", err)\n 710→\t}\n 711→\n 712→\ttests := []struct {\n 713→\t\tname string\n 714→\t\tmessage lp.CCMessage\n 715→\t\texpectError bool\n 716→\t}{\n 717→\t\t{\n 718→\t\t\tname: \"start_job function\",\n 719→\t\t\tmessage: msgStartJob,\n 720→\t\t\texpectError: false,\n 721→\t\t},\n 722→\t\t{\n 723→\t\t\tname: \"missing function tag\",\n 724→\t\t\tmessage: msgMissingTag,\n 725→\t\t\texpectError: true,\n 726→\t\t},\n 727→\t\t{\n 728→\t\t\tname: \"unknown function\",\n 729→\t\t\tmessage: msgUnknownFunc,\n 730→\t\t\texpectError: false,\n 731→\t\t},\n 732→\t}\n 733→\n 734→\tfor _, tt := range tests {\n 735→\t\tt.Run(tt.name, func(t *testing.T) {\n 736→\t\t\tnatsAPI.processJobEvent(tt.message)\n 737→\t\t\ttime.Sleep(50 * time.Millisecond)\n 738→\t\t})\n 739→\t}\n 740→}\n 741→\n 742→func TestNatsHandleJobEvent(t *testing.T) {\n 743→\tnatsAPI := setupNatsTest(t)\n 744→\tt.Cleanup(cleanupNatsTest)\n 745→\n 746→\ttests := []struct {\n 747→\t\tname string\n 748→\t\tdata []byte\n 749→\t\texpectError bool\n 750→\t}{\n 751→\t\t{\n 752→\t\t\tname: \"valid influx line protocol\",\n 753→\t\t\tdata: []byte(`job,function=start_job event=\"{\\\"jobId\\\":4001,\\\"user\\\":\\\"testuser\\\",\\\"project\\\":\\\"testproj\\\",\\\"cluster\\\":\\\"testcluster\\\",\\\"partition\\\":\\\"main\\\",\\\"walltime\\\":3600,\\\"numNodes\\\":1,\\\"numHwthreads\\\":8,\\\"numAcc\\\":0,\\\"shared\\\":\\\"none\\\",\\\"monitoringStatus\\\":1,\\\"smt\\\":1,\\\"resources\\\":[{\\\"hostname\\\":\\\"host123\\\",\\\"hwthreads\\\":[0,1,2,3]}],\\\"startTime\\\":1234567890}\" 1234567890000000000`),\n 754→\t\t\texpectError: false,\n 755→\t\t},\n 756→\t\t{\n 757→\t\t\tname: \"invalid influx line protocol\",\n 758→\t\t\tdata: []byte(`invalid line protocol format`),\n 759→\t\t\texpectError: true,\n 760→\t\t},\n 761→\t\t{\n 762→\t\t\tname: \"empty data\",\n 763→\t\t\tdata: []byte(``),\n 764→\t\t\texpectError: false, // Decoder should handle empty input gracefully\n 765→\t\t},\n 766→\t}\n 767→\n 768→\tfor _, tt := range tests {\n 769→\t\tt.Run(tt.name, func(t *testing.T) {\n 770→\t\t\t// HandleJobEvent doesn't return errors, it logs them\n 771→\t\t\t// We're just ensuring it doesn't panic\n 772→\t\t\tnatsAPI.handleJobEvent(\"test.subject\", tt.data)\n 773→\t\t\ttime.Sleep(50 * time.Millisecond)\n 774→\t\t})\n 775→\t}\n 776→}\n 777→\n 778→func TestNatsHandleJobEventEdgeCases(t *testing.T) {\n 779→\tnatsAPI := setupNatsTest(t)\n 780→\tt.Cleanup(cleanupNatsTest)\n 781→\n 782→\ttests := []struct {\n 783→\t\tname string\n 784→\t\tdata []byte\n 785→\t\texpectError bool\n 786→\t\tdescription string\n 787→\t}{\n 788→\t\t{\n 789→\t\t\tname: \"non-event message (metric data)\",\n 790→\t\t\tdata: []byte(`job,function=start_job value=123.45 1234567890000000000`),\n 791→\t\t\texpectError: false,\n 792→\t\t\tdescription: \"Should skip non-event messages gracefully\",\n 793→\t\t},\n 794→\t\t{\n 795→\t\t\tname: \"wrong measurement name\",\n 796→\t\t\tdata: []byte(`wrongmeasurement,function=start_job event=\"{}\" 1234567890000000000`),\n 797→\t\t\texpectError: false,\n 798→\t\t\tdescription: \"Should warn about unexpected measurement but not fail\",\n 799→\t\t},\n 800→\t\t{\n 801→\t\t\tname: \"missing event field\",\n 802→\t\t\tdata: []byte(`job,function=start_job other_field=\"value\" 1234567890000000000`),\n 803→\t\t\texpectError: true,\n 804→\t\t\tdescription: \"Should error when event field is missing\",\n 805→\t\t},\n 806→\t\t{\n 807→\t\t\tname: \"multiple measurements in one message\",\n 808→\t\t\tdata: []byte(\"job,function=start_job event=\\\"{}\\\" 1234567890000000000\\njob,function=stop_job event=\\\"{}\\\" 1234567890000000000\"),\n 809→\t\t\texpectError: false,\n 810→\t\t\tdescription: \"Should process multiple lines\",\n 811→\t\t},\n 812→\t\t{\n 813→\t\t\tname: \"escaped quotes in JSON payload\",\n 814→\t\t\tdata: []byte(`job,function=start_job event=\"{\\\"jobId\\\":6001,\\\"user\\\":\\\"test\\\\\\\"user\\\",\\\"cluster\\\":\\\"test\\\"}\" 1234567890000000000`),\n 815→\t\t\texpectError: true,\n 816→\t\t\tdescription: \"Should handle escaped quotes (though JSON parsing may fail)\",\n 817→\t\t},\n 818→\t}\n 819→\n 820→\tfor _, tt := range tests {\n 821→\t\tt.Run(tt.name, func(t *testing.T) {\n 822→\t\t\tnatsAPI.handleJobEvent(\"test.subject\", tt.data)\n 823→\t\t\ttime.Sleep(50 * time.Millisecond)\n 824→\t\t})\n 825→\t}\n 826→}\n 827→\n 828→func TestNatsHandleNodeStateEdgeCases(t *testing.T) {\n 829→\tnatsAPI := setupNatsTest(t)\n 830→\tt.Cleanup(cleanupNatsTest)\n 831→\n 832→\ttests := []struct {\n 833→\t\tname string\n 834→\t\tdata []byte\n 835→\t\texpectError bool\n 836→\t\tdescription string\n 837→\t}{\n 838→\t\t{\n 839→\t\t\tname: \"missing cluster field in JSON\",\n 840→\t\t\tdata: []byte(`nodestate event=\"{\\\"nodes\\\":[]}\" 1234567890000000000`),\n 841→\t\t\texpectError: true,\n 842→\t\t\tdescription: \"Should fail when cluster is missing\",\n 843→\t\t},\n 844→\t\t{\n 845→\t\t\tname: \"malformed JSON with unescaped quotes\",\n 846→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"test\"cluster\\\",\\\"nodes\\\":[]}\" 1234567890000000000`),\n 847→\t\t\texpectError: true,\n 848→\t\t\tdescription: \"Should fail on malformed JSON\",\n 849→\t\t},\n 850→\t\t{\n 851→\t\t\tname: \"unicode characters in hostname\",\n 852→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"host-ñ123\\\",\\\"states\\\":[\\\"idle\\\"],\\\"cpusAllocated\\\":0,\\\"memoryAllocated\\\":0,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":0}]}\" 1234567890000000000`),\n 853→\t\t\texpectError: false,\n 854→\t\t\tdescription: \"Should handle unicode characters\",\n 855→\t\t},\n 856→\t\t{\n 857→\t\t\tname: \"very large node count\",\n 858→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"node1\\\",\\\"states\\\":[\\\"idle\\\"],\\\"cpusAllocated\\\":0,\\\"memoryAllocated\\\":0,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":0},{\\\"hostname\\\":\\\"node2\\\",\\\"states\\\":[\\\"idle\\\"],\\\"cpusAllocated\\\":0,\\\"memoryAllocated\\\":0,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":0},{\\\"hostname\\\":\\\"node3\\\",\\\"states\\\":[\\\"idle\\\"],\\\"cpusAllocated\\\":0,\\\"memoryAllocated\\\":0,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":0}]}\" 1234567890000000000`),\n 859→\t\t\texpectError: false,\n 860→\t\t\tdescription: \"Should handle multiple nodes efficiently\",\n 861→\t\t},\n 862→\t\t{\n 863→\t\t\tname: \"timestamp in past\",\n 864→\t\t\tdata: []byte(`nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[]}\" 1000000000000000000`),\n 865→\t\t\texpectError: false,\n 866→\t\t\tdescription: \"Should accept any valid timestamp\",\n 867→\t\t},\n 868→\t}\n 869→\n 870→\tfor _, tt := range tests {\n 871→\t\tt.Run(tt.name, func(t *testing.T) {\n 872→\t\t\tnatsAPI.handleNodeState(\"test.subject\", tt.data)\n 873→\t\t\ttime.Sleep(50 * time.Millisecond)\n 874→\t\t})\n 875→\t}\n 876→}\n 877→\n 878→func TestNatsHandleStartJobDuplicatePrevention(t *testing.T) {\n 879→\tnatsAPI := setupNatsTest(t)\n 880→\tt.Cleanup(cleanupNatsTest)\n 881→\n 882→\t// Start a job\n 883→\tpayload := `{\n 884→\t\t\"jobId\": 5001,\n 885→\t\t\"user\": \"testuser\",\n 886→\t\t\"project\": \"testproj\",\n 887→\t\t\"cluster\": \"testcluster\",\n 888→\t\t\"partition\": \"main\",\n 889→\t\t\"walltime\": 3600,\n 890→\t\t\"numNodes\": 1,\n 891→\t\t\"numHwthreads\": 8,\n 892→\t\t\"numAcc\": 0,\n 893→\t\t\"shared\": \"none\",\n 894→\t\t\"monitoringStatus\": 1,\n 895→\t\t\"smt\": 1,\n 896→\t\t\"resources\": [\n 897→\t\t\t{\n 898→\t\t\t\t\"hostname\": \"host123\",\n 899→\t\t\t\t\"hwthreads\": [0, 1, 2, 3]\n 900→\t\t\t}\n 901→\t\t],\n 902→\t\t\"startTime\": 1234567890\n 903→\t}`\n 904→\n 905→\tnatsAPI.handleStartJob(payload)\n 906→\tnatsAPI.JobRepository.SyncJobs()\n 907→\ttime.Sleep(100 * time.Millisecond)\n 908→\n 909→\t// Try to start the same job again (within 24 hours)\n 910→\tduplicatePayload := `{\n 911→\t\t\"jobId\": 5001,\n 912→\t\t\"user\": \"testuser\",\n 913→\t\t\"project\": \"testproj\",\n 914→\t\t\"cluster\": \"testcluster\",\n 915→\t\t\"partition\": \"main\",\n 916→\t\t\"walltime\": 3600,\n 917→\t\t\"numNodes\": 1,\n 918→\t\t\"numHwthreads\": 8,\n 919→\t\t\"numAcc\": 0,\n 920→\t\t\"shared\": \"none\",\n 921→\t\t\"monitoringStatus\": 1,\n 922→\t\t\"smt\": 1,\n 923→\t\t\"resources\": [\n 924→\t\t\t{\n 925→\t\t\t\t\"hostname\": \"host123\",\n 926→\t\t\t\t\"hwthreads\": [0, 1, 2, 3]\n 927→\t\t\t}\n 928→\t\t],\n 929→\t\t\"startTime\": 1234567900\n 930→\t}`\n 931→\n 932→\tnatsAPI.handleStartJob(duplicatePayload)\n 933→\tnatsAPI.JobRepository.SyncJobs()\n 934→\ttime.Sleep(100 * time.Millisecond)\n 935→\n 936→\t// Verify only one job exists\n 937→\tjobID := 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{"parentUuid":"1a849628-9e9c-4e54-ab96-b72d17f613e0","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01PpZEbJJBomv6Rn2Bt1bJFJ","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package repository\n 7→\n 8→import (\n 9→\t\"context\"\n 10→\t\"database/sql\"\n 11→\t\"encoding/json\"\n 12→\t\"fmt\"\n 13→\t\"slices\"\n 14→\t\"sort\"\n 15→\t\"strings\"\n 16→\t\"sync\"\n 17→\t\"time\"\n 18→\n 19→\t\"github.com/ClusterCockpit/cc-backend/internal/graph/model\"\n 20→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 21→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 22→\t\"github.com/ClusterCockpit/cc-lib/v2/lrucache\"\n 23→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 24→\tsq \"github.com/Masterminds/squirrel\"\n 25→\t\"github.com/jmoiron/sqlx\"\n 26→)\n 27→\n 28→var (\n 29→\tnodeRepoOnce sync.Once\n 30→\tnodeRepoInstance *NodeRepository\n 31→)\n 32→\n 33→type NodeRepository struct {\n 34→\tDB *sqlx.DB\n 35→\tstmtCache *sq.StmtCache\n 36→\tcache *lrucache.Cache\n 37→\tdriver string\n 38→}\n 39→\n 40→func GetNodeRepository() *NodeRepository {\n 41→\tnodeRepoOnce.Do(func() {\n 42→\t\tdb := GetConnection()\n 43→\n 44→\t\tnodeRepoInstance = &NodeRepository{\n 45→\t\t\tDB: db.DB,\n 46→\t\t\tdriver: db.Driver,\n 47→\n 48→\t\t\tstmtCache: sq.NewStmtCache(db.DB),\n 49→\t\t\tcache: lrucache.New(repoConfig.CacheSize),\n 50→\t\t}\n 51→\t})\n 52→\treturn nodeRepoInstance\n 53→}\n 54→\n 55→// latestStateCondition returns a squirrel expression that restricts node_state\n 56→// rows to the latest per node_id using a correlated subquery.\n 57→// Requires the query to join node and node_state tables.\n 58→func latestStateCondition() sq.Sqlizer {\n 59→\treturn sq.Expr(\n 60→\t\t\"node_state.id = (SELECT ns2.id FROM node_state ns2 WHERE ns2.node_id = node.id ORDER BY ns2.time_stamp DESC LIMIT 1)\",\n 61→\t)\n 62→}\n 63→\n 64→// applyNodeFilters applies common NodeFilter conditions to a query that joins\n 65→// the node and node_state tables with latestStateCondition.\n 66→func applyNodeFilters(query sq.SelectBuilder, filters []*model.NodeFilter) sq.SelectBuilder {\n 67→\tfor _, f := range filters {\n 68→\t\tif f.Cluster != nil {\n 69→\t\t\tquery = buildStringCondition(\"node.cluster\", f.Cluster, query)\n 70→\t\t}\n 71→\t\tif f.SubCluster != nil {\n 72→\t\t\tquery = buildStringCondition(\"node.subcluster\", f.SubCluster, query)\n 73→\t\t}\n 74→\t\tif f.Hostname != nil {\n 75→\t\t\tquery = buildStringCondition(\"node.hostname\", f.Hostname, query)\n 76→\t\t}\n 77→\t\tif f.SchedulerState != nil {\n 78→\t\t\tquery = query.Where(\"node_state.node_state = ?\", f.SchedulerState)\n 79→\t\t}\n 80→\t\tif f.HealthState != nil {\n 81→\t\t\tquery = query.Where(\"node_state.health_state = ?\", f.HealthState)\n 82→\t\t}\n 83→\t}\n 84→\treturn query\n 85→}\n 86→\n 87→func (r *NodeRepository) FetchMetadata(hostname string, cluster string) (map[string]string, error) {\n 88→\tstart := time.Now()\n 89→\n 90→\tRawMetaData := make([]byte, 0)\n 91→\n 92→\tif err := sq.Select(\"node.meta_data\").From(\"node\").\n 93→\t\tWhere(\"node.hostname = ?\", hostname).\n 94→\t\tWhere(\"node.cluster = ?\", cluster).\n 95→\t\tRunWith(r.stmtCache).QueryRow().Scan(&RawMetaData); err != nil {\n 96→\t\tcclog.Warn(\"Error while scanning for node metadata\")\n 97→\t\treturn nil, err\n 98→\t}\n 99→\n 100→\tif len(RawMetaData) == 0 {\n 101→\t\treturn nil, nil\n 102→\t}\n 103→\n 104→\tMetaData := make(map[string]string)\n 105→\n 106→\tif err := json.Unmarshal(RawMetaData, &MetaData); err != nil {\n 107→\t\tcclog.Warn(\"Error while unmarshaling raw metadata json\")\n 108→\t\treturn nil, err\n 109→\t}\n 110→\n 111→\tcclog.Debugf(\"Timer FetchMetadata %s\", time.Since(start))\n 112→\treturn MetaData, nil\n 113→}\n 114→\n 115→func (r *NodeRepository) GetNode(hostname string, cluster string, withMeta bool) (*schema.Node, error) {\n 116→\tnode := &schema.Node{}\n 117→\tif err := sq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 118→\t\t\"node_state.node_state\", \"node_state.health_state\").\n 119→\t\tFrom(\"node\").\n 120→\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 121→\t\tWhere(latestStateCondition()).\n 122→\t\tWhere(\"node.hostname = ?\", hostname).\n 123→\t\tWhere(\"node.cluster = ?\", cluster).\n 124→\t\tRunWith(r.DB).\n 125→\t\tQueryRow().Scan(&node.Hostname, &node.Cluster, &node.SubCluster, &node.NodeState, &node.HealthState); err != nil {\n 126→\t\tcclog.Warnf(\"Error while querying node '%s' from database: %v\", hostname, err)\n 127→\t\treturn nil, err\n 128→\t}\n 129→\n 130→\tif withMeta {\n 131→\t\tvar err error\n 132→\t\tvar meta map[string]string\n 133→\t\tif meta, err = r.FetchMetadata(hostname, cluster); err != nil {\n 134→\t\t\tcclog.Warnf(\"Error while fetching metadata for node '%s'\", hostname)\n 135→\t\t\treturn nil, err\n 136→\t\t}\n 137→\t\tnode.MetaData = meta\n 138→\t}\n 139→\n 140→\treturn node, nil\n 141→}\n 142→\n 143→func (r *NodeRepository) GetNodeByID(id int64, withMeta bool) (*schema.Node, error) {\n 144→\tnode := &schema.Node{}\n 145→\tif err := sq.Select(\"node.hostname\", \"node.cluster\", \"node.subcluster\",\n 146→\t\t\"node_state.node_state\", \"node_state.health_state\").\n 147→\t\tFrom(\"node\").\n 148→\t\tJoin(\"node_state ON node_state.node_id = node.id\").\n 149→\t\tWhere(latestStateCondition()).\n 150→\t\tWhere(\"node.id = ?\", id)."}]},"uuid":"50877ff3-fb5a-40b2-a248-65a926339f90","timestamp":"2026-03-16T10:57:23.138Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"d700a380-546f-4d80-a000-583eda2cc2c4","timestamp":"2026-03-16T10:57:23.190Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"d3d66bde-a2ab-4110-af32-eb2fb659f591","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017fnMrsukePgyB3SPRzxKoB","type":"tool_result","content":" 245→}\n 246→\n 247→// NodeStateUpdate holds the data needed to update one node's state in a batch operation.\n 248→type NodeStateUpdate struct {\n 249→\tHostname string\n 250→\tCluster string\n 251→\tNodeState *schema.NodeStateDB\n 252→}\n 253→\n 254→// BatchUpdateNodeStates inserts node state rows for multiple nodes in a single transaction.\n 255→// For each node, it looks up (or creates) the node row, then inserts the state row.\n 256→// This reduces lock acquisitions from 2*N to 1 for N nodes.\n 257→func (r *NodeRepository) BatchUpdateNodeStates(updates []NodeStateUpdate) error {\n 258→\ttx, err := r.DB.Beginx()\n 259→\tif err != nil {\n 260→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: begin transaction: %w\", err)\n 261→\t}\n 262→\tdefer tx.Rollback()\n 263→\n 264→\tstmtLookup, err := tx.Preparex(\"SELECT id FROM node WHERE hostname = ? AND cluster = ?\")\n 265→\tif err != nil {\n 266→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: prepare lookup: %w\", err)\n 267→\t}\n 268→\tdefer stmtLookup.Close()\n 269→\n 270→\tstmtInsertNode, err := tx.PrepareNamed(NamedNodeInsert)\n 271→\tif err != nil {\n 272→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: prepare node insert: %w\", err)\n 273→\t}\n 274→\tdefer stmtInsertNode.Close()\n 275→\n 276→\tstmtInsertState, err := tx.PrepareNamed(NamedNodeStateInsert)\n 277→\tif err != nil {\n 278→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: prepare state insert: %w\", err)\n 279→\t}\n 280→\tdefer stmtInsertState.Close()\n 281→\n 282→\tfor _, u := range updates {\n 283→\t\tvar id int64\n 284→\t\tif err := stmtLookup.QueryRow(u.Hostname, u.Cluster).Scan(&id); err != nil {\n 285→\t\t\tif err == sql.ErrNoRows {\n 286→\t\t\t\tsubcluster, scErr := archive.GetSubClusterByNode(u.Cluster, u.Hostname)\n 287→\t\t\t\tif scErr != nil {\n 288→\t\t\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: subcluster lookup for '%s' in '%s': %v\", u.Hostname, u.Cluster, scErr)\n 289→\t\t\t\t\tcontinue\n 290→\t\t\t\t}\n 291→\t\t\t\tnode := schema.NodeDB{\n 292→\t\t\t\t\tHostname: u.Hostname, Cluster: u.Cluster, SubCluster: subcluster,\n 293→\t\t\t\t}\n 294→\t\t\t\tres, insertErr := stmtInsertNode.Exec(&node)\n 295→\t\t\t\tif insertErr != nil {\n 296→\t\t\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: insert node '%s': %v\", u.Hostname, insertErr)\n 297→\t\t\t\t\tcontinue\n 298→\t\t\t\t}\n 299→\t\t\t\tid, _ = res.LastInsertId()\n 300→\t\t\t} else {\n 301→\t\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: lookup node '%s': %v\", u.Hostname, err)\n 302→\t\t\t\tcontinue\n 303→\t\t\t}\n 304→\t\t}\n 305→\n 306→\t\tu.NodeState.NodeID = id\n 307→\t\tif _, err := stmtInsertState.Exec(u.NodeState); err != nil {\n 308→\t\t\tcclog.Errorf(\"BatchUpdateNodeStates: insert state for '%s': %v\", u.Hostname, err)\n 309→\t\t}\n 310→\t}\n 311→\n 312→\tif err := tx.Commit(); err != nil {\n 313→\t\treturn fmt.Errorf(\"BatchUpdateNodeStates: commit: %w\", err)\n 314→\t}\n 315→\treturn nil\n 316→}\n 317→\n 318→// func (r *NodeRepository) UpdateHealthState(hostname string, healthState *schema.MonitoringState) error {\n 319→// \tif _, err := sq.Update(\"node\").Set(\"health_state\", healthState).Where(\"node.id = ?\", id).RunWith(r.DB).Exec(); err != nil {\n 320→// \t\tcclog.Errorf(\"error while updating node '%d'\", id)\n 321→// \t\treturn err\n 322→// \t}\n 323→//\n 324→// \treturn nil\n 325→// }\n 326→\n 327→// NodeStateWithNode combines a node state row with denormalized node info.\n 328→type NodeStateWithNode struct {\n 329→\tID int64 `db:\"id\"`\n 330→\tTimeStamp int64 `db:\"time_stamp\"`\n 331→\tNodeState string `db:\"node_state\"`\n 332→\tHealthState string `db:\"health_state\"`\n 333→\tHealthMetrics string `db:\"health_metrics\"`\n 334→\tCpusAllocated int `db:\"cpus_allocated\"`\n 335→\tMemoryAllocated int64 `db:\"memory_allocated\"`\n 336→\tGpusAllocated int `db:\"gpus_allocated\"`\n 337→\tJobsRunning int `db:\"jobs_running\"`\n 338→\tHostname string `db:\"hostname\"`\n 339→\tCluster string `db:\"cluster\"`\n 340→\tSubCluster string `db:\"subcluster\"`\n 341→}\n 342→\n 343→// FindNodeStatesBefore returns all node_state rows with time_stamp < cutoff,\n 344→// joined with node info for denormalized archiving."}]},"uuid":"f98ec5c2-7a3d-4828-aa2f-60a57eaea445","timestamp":"2026-03-16T10:57:24.896Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"11414535-6c34-49c2-b659-815e84892313","timestamp":"2026-03-16T10:57:24.908Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"c885186d-d4f8-4d60-90ff-a384ea6c5e29","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_012Qc4tf8ijy7NCDnWPcgYTE","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-lib.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package schema\n 7→\n 8→// SchedulerState represents the current state of a node in the HPC job scheduler.\n 9→// States typically reflect SLURM/PBS node states.\n 10→type SchedulerState string\n 11→\n 12→const (\n 13→\tNodeStateAllocated SchedulerState = \"allocated\" // Node is fully allocated to jobs\n 14→\tNodeStateReserved SchedulerState = \"reserved\" // Node is reserved but not yet allocated\n 15→\tNodeStateIdle SchedulerState = \"idle\" // Node is available for jobs\n 16→\tNodeStateMixed SchedulerState = \"mixed\" // Node is partially allocated\n 17→\tNodeStateDown SchedulerState = \"down\" // Node is down/offline\n 18→\tNodeStateUnknown SchedulerState = \"unknown\" // Node state unknown\n 19→)\n 20→\n 21→// MonitoringState indicates the health monitoring status of a node.\n 22→// Reflects whether metric collection is working correctly.\n 23→type MonitoringState string\n 24→\n 25→const (\n 26→\tMonitoringStateFull MonitoringState = \"full\" // All metrics being collected successfully\n 27→\tMonitoringStatePartial MonitoringState = \"partial\" // Some metrics missing\n 28→\tMonitoringStateFailed MonitoringState = \"failed\" // Metric collection failing\n 29→)\n 30→\n 31→// Node represents the current state and resource utilization of a compute node.\n 32→//\n 33→// Combines scheduler state with monitoring health and current resource allocation.\n 34→// Used for displaying node status in dashboards and tracking node utilization.\n 35→type Node struct {\n 36→\tHostname string `json:\"hostname\"` // Node hostname\n 37→\tCluster string `json:\"cluster\"` // Cluster name\n 38→\tSubCluster string `json:\"subCluster\"` // Subcluster name\n 39→\tMetaData map[string]string `json:\"metaData\"` // Additional metadata\n 40→\tHealthData map[string][]string `json:\"healthData\"` // Details about available metrics per node\n 41→\tNodeState SchedulerState `json:\"nodeState\"` // Scheduler/resource manager state\n 42→\tHealthState MonitoringState `json:\"healthState\"` // Monitoring system health\n 43→\tCpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n 44→\tMemoryAllocated int `json:\"memoryAllocated\"` // Allocated memory in MB\n 45→\tGpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n 46→\tJobsRunning int `json:\"jobsRunning\"` // Number of jobs running on this node\n 47→}\n 48→\n 49→// NodePayload is the request body format for the node state REST API.\n 50→// Used when updateing node states from external monitoring or scheduler systems.\n 51→type NodePayload struct {\n 52→\tHostname string `json:\"hostname\"` // Node hostname\n 53→\tStates []string `json:\"states\"` // State strings (flexible format)\n 54→\tCpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n 55→\tMemoryAllocated int64 `json:\"memoryAllocated\"` // Allocated memory in MB\n 56→\tGpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n 57→\tJobsRunning int `json:\"jobsRunning\"` // Number of running jobs\n 58→}\n 59→\n 60→// NodeDB is the database model for the node table.\n 61→// Stores static node configuration and metadata.\n 62→type NodeDB struct {\n 63→\tID int64 `json:\"id\" db:\"id\"` // Database ID\n 64→\tHostname string `json:\"hostname\" db:\"hostname\" example:\"fritz\"` // Node hostname\n 65→\tCluster string `json:\"cluster\" db:\"cluster\" example:\"fritz\"` // Cluster name\n 66→\tSubCluster string `json:\"subCluster\" db:\"subcluster\" example:\"main\"` // Subcluster name\n 67→\tRawMetaData []byte `json:\"-\" db:\"meta_data\"` // Metadata as JSON blob\n 68→}\n 69→\n 70→// NodeStateDB is the database model for the node_state table.\n 71→// Stores time-stamped snapshots of node state and resource allocation.\n 72→type NodeStateDB struct {\n 73→\tID int64 `json:\"id\" db:\"id\"` // Database ID\n 74→\tTimeStamp int64 `json:\"timeStamp\" db:\"time_stamp\" example:\"1649723812\"` // Unix timestamp\n 75→\tNodeState SchedulerState `json:\"nodeState\" db:\"node_state\" example:\"completed\" enums:\"completed,failed,cancelled,stopped,timeout,out_of_memory\"` // Scheduler state\n 76→\tHealthState MonitoringState `json:\"healthState\" db:\"health_state\" example:\"completed\" enums:\"completed,failed,cancelled,stopped,timeout,out_of_memory\"` // Monitoring health\n 77→\tHealthMetrics string `json:\"healthMetrics\" db:\"health_metrics\"` // JSON: {\"missing\":[...],\"degraded\":[...]}\n 78→\tCpusAllocated int `json:\"cpusAllocated\" db:\"cpus_allocated\"` // Allocated CPUs\n 79→\tMemoryAllocated int64 `json:\"memoryAllocated\" db:\"memory_allocated\"` // Allocated memory (MB)\n 80→\tGpusAllocated int `json:\"gpusAllocated\" db:\"gpus_allocated\"` // Allocated GPUs\n 81→\tJobsRunning int `json:\"jobsRunning\" db:\"jobs_running\" example:\"12\"` // Running jobs\n 82→\tNodeID int64 `json:\"_\" db:\"node_id\"` // Foreign key to NodeDB\n 83→}\n 84→"}]},"uuid":"a1415360-d7aa-44f2-a77c-1d75a41544a1","timestamp":"2026-03-16T10:57:59.144Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"993de9d0-f766-49aa-8c5e-9079c1c4a01b","timestamp":"2026-03-16T10:57:59.166Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"28ae95b6-3b29-485b-b7d6-72dbed7a8747","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RR57EbwNyUmykExBrL5mPT","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-lib.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package schema\n 7→\n 8→// SchedulerState represents the current state of a node in the HPC job scheduler.\n 9→// States typically reflect SLURM/PBS node states.\n 10→type SchedulerState string\n 11→\n 12→const (\n 13→\tNodeStateAllocated SchedulerState = \"allocated\" // Node is fully allocated to jobs\n 14→\tNodeStateReserved SchedulerState = \"reserved\" // Node is reserved but not yet allocated\n 15→\tNodeStateIdle SchedulerState = \"idle\" // Node is available for jobs\n 16→\tNodeStateMixed SchedulerState = \"mixed\" // Node is partially allocated\n 17→\tNodeStateDown SchedulerState = \"down\" // Node is down/offline\n 18→\tNodeStateUnknown SchedulerState = \"unknown\" // Node state unknown\n 19→)\n 20→\n 21→// MonitoringState indicates the health monitoring status of a node.\n 22→// Reflects whether metric collection is working correctly.\n 23→type MonitoringState string\n 24→\n 25→const (\n 26→\tMonitoringStateFull MonitoringState = \"full\" // All metrics being collected successfully\n 27→\tMonitoringStatePartial MonitoringState = \"partial\" // Some metrics missing\n 28→\tMonitoringStateFailed MonitoringState = \"failed\" // Metric collection failing\n 29→)\n 30→\n 31→// Node represents the current state and resource utilization of a compute node.\n 32→//\n 33→// Combines scheduler state with monitoring health and current resource allocation.\n 34→// Used for displaying node status in dashboards and tracking node utilization.\n 35→type Node struct {\n 36→\tHostname string `json:\"hostname\"` // Node hostname\n 37→\tCluster string `json:\"cluster\"` // Cluster name\n 38→\tSubCluster string `json:\"subCluster\"` // Subcluster name\n 39→\tMetaData map[string]string `json:\"metaData\"` // Additional metadata\n 40→\tHealthData map[string][]string `json:\"healthData\"` // Details about available metrics per node\n 41→\tNodeState SchedulerState `json:\"nodeState\"` // Scheduler/resource manager state\n 42→\tHealthState MonitoringState `json:\"healthState\"` // Monitoring system health\n 43→\tCpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n 44→\tMemoryAllocated int `json:\"memoryAllocated\"` // Allocated memory in MB\n 45→\tGpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n 46→\tJobsRunning int `json:\"jobsRunning\"` // Number of jobs running on this node\n 47→}\n 48→\n 49→// NodePayload is the request body format for the node state REST API.\n 50→// Used when updateing node states from external monitoring or scheduler systems.\n 51→type NodePayload struct {\n 52→\tHostname string `json:\"hostname\"` // Node hostname\n 53→\tStates []string `json:\"states\"` // State strings (flexible format)\n 54→\tCpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n 55→\tMemoryAllocated int64 `json:\"memoryAllocated\"` // Allocated memory in MB\n 56→\tGpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n 57→\tJobsRunning int `json:\"jobsRunning\"` // Number of running jobs\n 58→}\n 59→\n 60→// NodeDB is the database model for the node table.\n 61→// Stores static node configuration and metadata.\n 62→type NodeDB struct {\n 63→\tID int64 `json:\"id\" db:\"id\"` // Database ID\n 64→\tHostname string `json:\"hostname\" db:\"hostname\" example:\"fritz\"` // Node hostname\n 65→\tCluster string `json:\"cluster\" db:\"cluster\" example:\"fritz\"` // Cluster name\n 66→\tSubCluster string `json:\"subCluster\" db:\"subcluster\" example:\"main\"` // Subcluster name\n 67→\tRawMetaData []byte `json:\"-\" db:\"meta_data\"` // Metadata as JSON blob\n 68→}\n 69→\n 70→// NodeStateDB is the database model for the node_state table.\n 71→// Stores time-stamped snapshots of node state and resource allocation.\n 72→type NodeStateDB struct {\n 73→\tID int64 `json:\"id\" db:\"id\"` // Database ID\n 74→\tTimeStamp int64 `json:\"timeStamp\" db:\"time_stamp\" example:\"1649723812\"` // Unix timestamp\n 75→\tNodeState SchedulerState `json:\"nodeState\" db:\"node_state\" example:\"completed\" enums:\"completed,failed,cancelled,stopped,timeout,out_of_memory\"` // Scheduler state\n 76→\tHealthState MonitoringState `json:\"healthState\" db:\"health_state\" example:\"completed\" enums:\"completed,failed,cancelled,stopped,timeout,out_of_memory\"` // Monitoring health\n 77→\tHealthMetrics string `json:\"healthMetrics\" db:\"health_metrics\"` // JSON: {\"missing\":[...],\"degraded\":[...]}\n 78→\tCpusAllocated int `json:\"cpusAllocated\" db:\"cpus_allocated\"` // Allocated CPUs\n 79→\tMemoryAllocated int64 `json:\"memoryAllocated\" db:\"memory_allocated\"` // Allocated memory (MB)\n 80→\tGpusAllocated int `json:\"gpusAllocated\" db:\"gpus_allocated\"` // Allocated GPUs\n 81→\tJobsRunning int `json:\"jobsRunning\" db:\"jobs_running\" example:\"12\"` // Running jobs\n 82→\tNodeID int64 `json:\"_\" db:\"node_id\"` // Foreign key to NodeDB\n 83→}\n 84→"}]},"uuid":"44f3bbcb-f03f-4ec1-98ab-20616ca5a86d","timestamp":"2026-03-16T10:57:59.216Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"16aa5334-d650-4dec-9e0c-a01dcb05a7c5","timestamp":"2026-03-16T10:57:59.243Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"56b40e80-3601-481a-90dd-7f6dc8ae8d44","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01EGBFn43nQTbpuHrmb6iHpr","type":"tool_result","content":" 71→func (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n 72→\t// Parse request body\n 73→\treq := UpdateNodeStatesRequest{}\n 74→\tif err := decode(r.Body, &req); err != nil {\n 75→\t\thandleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n 76→\t\t\thttp.StatusBadRequest, rw)\n 77→\t\treturn\n 78→\t}\n 79→\trequestReceived := time.Now().Unix()\n 80→\trepo := repository.GetNodeRepository()\n 81→\n 82→\tm := make(map[string][]string)\n 83→\tmetricNames := make(map[string][]string)\n 84→\thealthResults := make(map[string]metricstore.HealthCheckResult)\n 85→\n 86→\tstartMs := time.Now()\n 87→\n 88→\t// Step 1: Build nodeList and metricList per subcluster\n 89→\tfor _, node := range req.Nodes {\n 90→\t\tif sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n 91→\t\t\tm[sc] = append(m[sc], node.Hostname)\n 92→\t\t}\n 93→\t}\n 94→\n 95→\tfor sc := range m {\n 96→\t\tif sc != \"\" {\n 97→\t\t\tmetricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n 98→\t\t\tmetricNames[sc] = metricListToNames(metricList)\n 99→\t\t}\n 100→\t}\n 101→\n 102→\t// Step 2: Determine which metric store to query and perform health check\n 103→\thealthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n 104→\tif err != nil {\n 105→\t\tcclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n 106→\t} else {\n 107→\t\tfor sc, nl := range m {\n 108→\t\t\tif sc != \"\" {\n 109→\t\t\t\tif results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n 110→\t\t\t\t\tmaps.Copy(healthResults, results)\n 111→\t\t\t\t}\n 112→\t\t\t}\n 113→\t\t}\n 114→\t}\n 115→\n 116→\tcclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n 117→\tstartDB := time.Now()\n 118→\n 119→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 120→\tfor _, node := range req.Nodes {\n 121→\t\tstate := determineState(node.States)\n 122→\t\thealthState := schema.MonitoringStateFailed\n 123→\t\tvar healthMetrics string\n 124→\t\tif result, ok := healthResults[node.Hostname]; ok {\n 125→\t\t\thealthState = result.State\n 126→\t\t\thealthMetrics = result.HealthMetrics\n 127→\t\t}\n 128→\t\tnodeState := schema.NodeStateDB{\n 129→\t\t\tTimeStamp: requestReceived,\n 130→\t\t\tNodeState: state,\n 131→\t\t\tCpusAllocated: node.CpusAllocated,\n 132→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 133→\t\t\tGpusAllocated: node.GpusAllocated,\n 134→\t\t\tHealthState: healthState,\n 135→\t\t\tHealthMetrics: healthMetrics,\n 136→\t\t\tJobsRunning: node.JobsRunning,\n 137→\t\t}\n 138→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 139→\t\t\tHostname: node.Hostname,\n 140→\t\t\tCluster: req.Cluster,\n 141→\t\t\tNodeState: &nodeState,\n 142→\t\t})\n 143→\t}\n 144→\n 145→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 146→\t\tcclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n 147→\t}\n 148→\n 149→\tcclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n 150→}"}]},"uuid":"0ddf6d2c-cbfe-4f96-a564-78806fc750b1","timestamp":"2026-03-16T10:58:00.803Z"},"type":"agent_progress","prompt":"","agentId":"a23b8dfea9f3e3990"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","uuid":"69204203-4e02-403c-8dab-1719e7f92aa6","timestamp":"2026-03-16T10:58:00.816Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→// Package api provides the REST API layer for ClusterCockpit.\n 7→// It handles HTTP requests for job management, user administration,\n 8→// cluster queries, node state updates, and metrics storage operations.\n 9→// The API supports both JWT token authentication and session-based authentication.\n 10→package api\n 11→\n 12→import (\n 13→\t\"encoding/json\"\n 14→\t\"fmt\"\n 15→\t\"io\"\n 16→\t\"net/http\"\n 17→\t\"os\"\n 18→\t\"path/filepath\"\n 19→\t\"strings\"\n 20→\t\"sync\"\n 21→\n 22→\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\n 23→\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n 24→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 25→\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n 26→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 27→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 28→\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n 29→\t\"github.com/go-chi/chi/v5\"\n 30→)\n 31→\n 32→// @title ClusterCockpit REST API\n 33→// @version 1.0.0\n 34→// @description API for batch job control.\n 35→\n 36→// @contact.name ClusterCockpit Project\n 37→// @contact.url https://github.com/ClusterCockpit\n 38→// @contact.email support@clustercockpit.org\n 39→\n 40→// @license.name MIT License\n 41→// @license.url https://opensource.org/licenses/MIT\n 42→\n 43→// @host localhost:8080\n 44→\n 45→// @securityDefinitions.apikey ApiKeyAuth\n 46→// @in header\n 47→// @name X-Auth-Token\n 48→\n 49→const (\n 50→\tnoticeFilePath = \"./var/notice.txt\"\n 51→\tnoticeFilePerms = 0o644\n 52→\tmaxNoticeLength = 10000 // Maximum allowed notice content length in characters\n 53→)\n 54→\n 55→type RestAPI struct {\n 56→\tJobRepository *repository.JobRepository\n 57→\tAuthentication *auth.Authentication\n 58→\tMachineStateDir string\n 59→\t// RepositoryMutex protects job creation operations from race conditions\n 60→\t// when checking for duplicate jobs during startJob API calls.\n 61→\t// It prevents concurrent job starts with the same jobId/cluster/startTime\n 62→\t// from creating duplicate entries in the database.\n 63→\tRepositoryMutex sync.Mutex\n 64→}\n 65→\n 66→// New creates and initializes a new RestAPI instance with configured dependencies.\n 67→func New() *RestAPI {\n 68→\treturn &RestAPI{\n 69→\t\tJobRepository: repository.GetJobRepository(),\n 70→\t\tMachineStateDir: config.Keys.MachineStateDir,\n 71→\t\tAuthentication: auth.GetAuthInstance(),\n 72→\t}\n 73→}\n 74→\n 75→// MountAPIRoutes registers REST API endpoints for job and cluster management.\n 76→// These routes use JWT token authentication via the X-Auth-Token header.\n 77→func (api *RestAPI) MountAPIRoutes(r chi.Router) {\n 78→\t// REST API Uses TokenAuth\n 79→\t// User List\n 80→\tr.Get(\"/users/\", api.getUsers)\n 81→\t// Cluster List\n 82→\tr.Get(\"/clusters/\", api.getClusters)\n 83→\t// Slurm node state\n 84→\tr.Post(\"/nodestate/\", api.updateNodeStates)\n 85→\tr.Put(\"/nodestate/\", api.updateNodeStates)\n 86→\t// Job Handler\n 87→\tif config.Keys.APISubjects == nil {\n 88→\t\tcclog.Info(\"Enabling REST start/stop job API\")\n 89→\t\tr.Post(\"/jobs/start_job/\", api.startJob)\n 90→\t\tr.Put(\"/jobs/start_job/\", api.startJob)\n 91→\t\tr.Post(\"/jobs/stop_job/\", api.stopJobByRequest)\n 92→\t\tr.Put(\"/jobs/stop_job/\", api.stopJobByRequest)\n 93→\t}\n 94→\tr.Get(\"/jobs/\", api.getJobs)\n 95→\tr.Get(\"/jobs/used_nodes\", api.getUsedNodes)\n 96→\tr.Post(\"/jobs/tag_job/{id}\", api.tagJob)\n 97→\tr.Patch(\"/jobs/tag_job/{id}\", api.tagJob)\n 98→\tr.Delete(\"/jobs/tag_job/{id}\", api.removeTagJob)\n 99→\tr.Patch(\"/jobs/edit_meta/{id}\", api.editMeta)\n 100→\tr.Patch(\"/jobs/edit_meta/\", api.editMetaByRequest)\n 101→\tr.Get(\"/jobs/metrics/{id}\", api.getJobMetrics)\n 102→\tr.Delete(\"/jobs/delete_job/\", api.deleteJobByRequest)\n 103→\tr.Delete(\"/jobs/delete_job/{id}\", api.deleteJobByID)\n 104→\tr.Delete(\"/jobs/delete_job_before/{ts}\", api.deleteJobBefore)\n 105→\tr.Post(\"/jobs/{id}\", api.getJobByID)\n 106→\tr.Get(\"/jobs/{id}\", api.getCompleteJobByID)\n 107→\n 108→\tr.Delete(\"/tags/\", api.removeTags)\n 109→\n 110→\tif api.MachineStateDir != \"\" {\n 111→\t\tr.Get(\"/machine_state/{cluster}/{host}\", api.getMachineState)\n 112→\t\tr.Put(\"/machine_state/{cluster}/{host}\", api.putMachineState)\n 113→\t\tr.Post(\"/machine_state/{cluster}/{host}\", api.putMachineState)\n 114→\t}\n 115→}\n 116→\n 117→// MountUserAPIRoutes registers user-accessible REST API endpoints.\n 118→// These are limited endpoints for regular users with JWT token authentication.\n 119→func (api *RestAPI) MountUserAPIRoutes(r chi.Router) {\n 120→\t// REST API Uses TokenAuth\n 121→\tr.Get(\"/jobs/\", api.getJobs)\n 122→\tr.Post(\"/jobs/{id}\", api.getJobByID)\n 123→\tr.Get(\"/jobs/{id}\", api.getCompleteJobByID)\n 124→\tr.Get(\"/jobs/metrics/{id}\", api.getJobMetrics)\n 125→}\n 126→\n 127→// MountMetricStoreAPIRoutes registers metric storage API endpoints.\n 128→// These endpoints handle metric data ingestion and health checks with JWT token authentication.\n 129→func (api *RestAPI) MountMetricStoreAPIRoutes(r chi.Router) {\n 130→\t// REST API Uses TokenAuth\n 131→\tr.Post(\"/free\", freeMetrics)\n 132→\tr.Post(\"/write\", writeMetrics)\n 133→\tr.Get(\"/debug\", debugMetrics)\n 134→\tr.Post(\"/healthcheck\", api.updateNodeStates)\n 135→\t// Same endpoints but with trailing slash\n 136→\tr.Post(\"/free/\", freeMetrics)\n 137→\tr.Post(\"/write/\", writeMetrics)\n 138→\tr.Get(\"/debug/\", debugMetrics)\n 139→\tr.Post(\"/healthcheck/\", api.updateNodeStates)\n 140→}\n 141→\n 142→// MountConfigAPIRoutes registers configuration and user management endpoints.\n 143→// These routes use session-based authentication and require admin privileges.\n 144→// Routes use full paths 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{"parentUuid":"8cdb0e8f-937e-435d-9071-a0c342201cc7","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AyzqDRX1dEdNkH5KXjLnzg","type":"tool_result","content":" 195→\treturn nil, fmt.Errorf(\"subcluster '%v' not found for cluster '%v', or cluster '%v' not configured\", subcluster, cluster, cluster)\n 196→}\n 197→\n 198→func GetMetricConfigSubCluster(cluster, subcluster string) map[string]*schema.Metric {\n 199→\tmetrics := make(map[string]*schema.Metric)\n 200→\n 201→\tfor _, c := range Clusters {\n 202→\t\tif c.Name == cluster {\n 203→\t\t\tfor _, m := range c.MetricConfig {\n 204→\t\t\t\tfor _, s := range m.SubClusters {\n 205→\t\t\t\t\tif s.Name == subcluster {\n 206→\t\t\t\t\t\tmetrics[m.Name] = &schema.Metric{\n 207→\t\t\t\t\t\t\tName: m.Name,\n 208→\t\t\t\t\t\t\tUnit: s.Unit,\n 209→\t\t\t\t\t\t\tPeak: s.Peak,\n 210→\t\t\t\t\t\t\tNormal: s.Normal,\n 211→\t\t\t\t\t\t\tCaution: s.Caution,\n 212→\t\t\t\t\t\t\tAlert: s.Alert,\n 213→\t\t\t\t\t\t}\n 214→\t\t\t\t\t\tbreak\n 215→\t\t\t\t\t}\n 216→\t\t\t\t}\n 217→\n 218→\t\t\t\t_, ok := metrics[m.Name]\n 219→\t\t\t\tif !ok {\n 220→\t\t\t\t\tmetrics[m.Name] = &schema.Metric{\n 221→\t\t\t\t\t\tName: m.Name,\n 222→\t\t\t\t\t\tUnit: m.Unit,\n 223→\t\t\t\t\t\tPeak: m.Peak,\n 224→\t\t\t\t\t\tNormal: m.Normal,\n 225→\t\t\t\t\t\tCaution: m.Caution,\n 226→\t\t\t\t\t\tAlert: m.Alert,\n 227→\t\t\t\t\t}\n 228→\t\t\t\t}\n 229→\t\t\t}\n 230→\t\t\tbreak\n 231→\t\t}\n 232→\t}\n 233→\n 234→\treturn metrics\n 235→}\n 236→\n 237→func GetMetricConfig(cluster, metric string) *schema.MetricConfig {\n 238→\tfor _, c := range Clusters {\n 239→\t\tif c.Name == cluster {\n 240→\t\t\tfor _, m := range c.MetricConfig {\n 241→\t\t\t\tif m.Name == metric {\n 242→\t\t\t\t\treturn m\n 243→\t\t\t\t}\n 244→\t\t\t}"}]},"uuid":"32a1f28f-5cbb-4cb7-883b-a7dbb57eebc2","timestamp":"2026-03-16T10:58:13.245Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"5c6cccda-b52e-4312-a202-43dd0b4b9251","timestamp":"2026-03-16T10:58:13.274Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"d396e5c4-7a1e-440b-be25-863f9d8a5a60","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01S6qeY9D2cfNzZ4zXk1TUzZ","type":"tool_result","content":" 1→CREATE TABLE \"node\" (\n 2→ id INTEGER PRIMARY KEY,\n 3→ hostname VARCHAR(255) NOT NULL,\n 4→ cluster VARCHAR(255) NOT NULL,\n 5→ subcluster VARCHAR(255) NOT NULL,\n 6→ meta_data TEXT, -- JSON\n 7→ UNIQUE (hostname, cluster)\n 8→);\n 9→\n 10→CREATE TABLE \"node_state\" (\n 11→ id INTEGER PRIMARY KEY,\n 12→ time_stamp INTEGER NOT NULL,\n 13→ jobs_running INTEGER DEFAULT 0 NOT NULL,\n 14→ cpus_allocated INTEGER DEFAULT 0 NOT NULL,\n 15→ memory_allocated INTEGER DEFAULT 0 NOT NULL,\n 16→ gpus_allocated INTEGER DEFAULT 0 NOT NULL,\n 17→ node_state VARCHAR(255) NOT NULL\n 18→ CHECK (node_state IN (\n 19→ 'allocated', 'reserved', 'idle', 'mixed',\n 20→ 'down', 'unknown'\n 21→ )),\n 22→ health_state VARCHAR(255) NOT NULL\n 23→ CHECK (health_state IN (\n 24→ 'full', 'partial', 'failed'\n 25→ )),\n 26→ health_metrics TEXT, -- JSON array of strings\n 27→ node_id INTEGER,\n 28→ FOREIGN KEY (node_id) REFERENCES node (id)\n 29→);\n 30→\n 31→-- Add NEW Indices For New Node Table VARCHAR Fields\n 32→CREATE INDEX IF NOT EXISTS nodes_cluster ON node (cluster);\n 33→CREATE INDEX IF NOT EXISTS nodes_cluster_subcluster ON node (cluster, subcluster);\n 34→\n 35→-- Add NEW Indices For New Node_State Table Fields\n 36→CREATE INDEX IF NOT EXISTS nodestates_timestamp ON node_state (time_stamp);\n 37→CREATE INDEX IF NOT EXISTS nodestates_state_timestamp ON node_state (node_state, time_stamp);\n 38→CREATE INDEX IF NOT EXISTS nodestates_health_timestamp ON node_state (health_state, time_stamp);\n 39→CREATE INDEX IF NOT EXISTS nodestates_nodeid_state ON node_state (node_id, node_state);\n 40→CREATE INDEX IF NOT EXISTS nodestates_nodeid_health ON node_state (node_id, health_state);\n 41→CREATE INDEX IF NOT EXISTS nodestates_nodeid_timestamp ON node_state (node_id, time_stamp DESC);\n 42→\n 43→-- Add NEW Indices For Increased Amounts of Tags\n 44→CREATE INDEX IF NOT EXISTS tags_jobid ON jobtag (job_id);\n 45→CREATE INDEX IF NOT EXISTS tags_tagid ON jobtag (tag_id);\n 46→\n 47→-- Optimize DB index usage\n 48→PRAGMA optimize;"}]},"uuid":"3e47489b-2e19-4cee-8c05-d08f5de5a02b","timestamp":"2026-03-16T10:58:17.932Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"8f90ac67-d864-496e-ae97-0d96b331e7f3","timestamp":"2026-03-16T10:58:17.940Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"5beeb332-f8e9-4e3e-8308-4461e4cdd67c","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01GzyuZgv9UoJ9TnxwqiGJLA","type":"tool_result","content":"172:// ErrorResponse model\n173:type ErrorResponse struct {\n179:// DefaultAPIResponse model\n180:type DefaultAPIResponse struct {\n184:// handleError writes a standardized JSON error response with the given status code.\n186:func handleError(err error, statusCode int, rw http.ResponseWriter) {\n190:\tif err := json.NewEncoder(rw).Encode(ErrorResponse{\n198:// decode reads JSON from r into val with strict validation that rejects unknown fields.\n199:func decode(r io.Reader, val any) error {\n224:// @failure 400 {object} ErrorResponse \"Bad Request\"\n225:// @failure 403 {object} ErrorResponse \"Forbidden\"\n226:// @failure 500 {object} ErrorResponse \"Internal Server Error\"\n231:\t\thandleError(fmt.Errorf(\"only admins are allowed to update the notice.txt file\"), http.StatusForbidden, rw)\n239:\t\thandleError(fmt.Errorf(\"notice content exceeds maximum length of %d characters\", maxNoticeLength), http.StatusBadRequest, rw)\n248:\t\t\thandleError(fmt.Errorf(\"creating notice file failed: %w\", err), http.StatusInternalServerError, rw)\n257:\t\thandleError(fmt.Errorf(\"writing to notice file failed: %w\", err), http.StatusInternalServerError, rw)\n276:\t\thandleError(fmt.Errorf(\"only admins are allowed to list taggers\"), http.StatusForbidden, rw)\n288:\t\thandleError(fmt.Errorf(\"only admins are allowed to run taggers\"), http.StatusForbidden, rw)\n294:\t\thandleError(fmt.Errorf(\"missing required parameter: name\"), http.StatusBadRequest, rw)\n299:\t\thandleError(err, http.StatusConflict, rw)","is_error":false}]},"uuid":"6ac3c7aa-b4e1-49ed-8620-01b3eef682a4","timestamp":"2026-03-16T10:58:19.675Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"dac59b7d-1330-42e7-8c1e-63a8fcc38f70","timestamp":"2026-03-16T10:58:19.675Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"e7526e21-d90c-4da4-a25c-a5d113a6adf3","isSidechain":false,"type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CNyfRWY2wAN8JaFjHeWfy9","type":"tool_result","content":" 170→}\n 171→\n 172→// ErrorResponse model\n 173→type ErrorResponse struct {\n 174→\t// Statustext of Errorcode\n 175→\tStatus string `json:\"status\"`\n 176→\tError string `json:\"error\"` // Error Message\n 177→}\n 178→\n 179→// DefaultAPIResponse model\n 180→type DefaultAPIResponse struct {\n 181→\tMessage string `json:\"msg\"`\n 182→}\n 183→\n 184→// handleError writes a standardized JSON error response with the given status code.\n 185→// It logs the error at WARN level and ensures proper Content-Type headers are set.\n 186→func handleError(err error, statusCode int, rw http.ResponseWriter) {\n 187→\tcclog.Warnf(\"REST ERROR : %s\", err.Error())\n 188→\trw.Header().Add(\"Content-Type\", \"application/json\")\n 189→\trw.WriteHeader(statusCode)\n 190→\tif err := json.NewEncoder(rw).Encode(ErrorResponse{\n 191→\t\tStatus: http.StatusText(statusCode),\n 192→\t\tError: err.Error(),\n 193→\t}); err != nil {\n 194→\t\tcclog.Errorf(\"Failed to encode error response: %v\", err)\n 195→\t}\n 196→}\n 197→\n 198→// decode reads JSON from r into val with strict validation that rejects unknown fields.\n 199→func decode(r io.Reader, val any) error {\n 200→\tdec := json.NewDecoder(r)\n 201→\tdec.DisallowUnknownFields()\n 202→\treturn dec.Decode(val)\n 203→}\n 204→"}]},"uuid":"c239bff8-41ed-4594-94bf-384eb3379621","timestamp":"2026-03-16T10:58:20.968Z"},"type":"agent_progress","prompt":"","agentId":"ab03c542dd3b3a6c0"},"toolUseID":"agent_msg_01EXD5whwUKTXYWf6KEzAhuw","parentToolUseID":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","uuid":"4ee45f89-f3a1-4164-bbfb-75a181fdab88","timestamp":"2026-03-16T10:58:21.007Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"4ee45f89-f3a1-4164-bbfb-75a181fdab88","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Agent","command":"entire hooks claude-code post-task"},"parentToolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","toolUseID":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","timestamp":"2026-03-16T10:58:25.388Z","uuid":"cbaba3cb-df99-4795-b4de-abc016016959","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"3203afb5-ee26-4663-93fb-0bc28379de94","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01QACQnKJXcMpNDTm1Cyj6ZT","type":"tool_result","content":[{"type":"text","text":"Perfect! Now I have all the information needed. Let me create a comprehensive analysis document.\n\n## Comprehensive Analysis of NATS Node State Handler Implementation\n\nBased on my thorough examination of the codebase, here's the complete analysis of the NATS node state update implementation:\n\n---\n\n### 1. FULL NATS NODE STATE HANDLER IMPLEMENTATION\n\n**Location:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go` (lines 380-458)\n\nThe handler consists of two main functions:\n\n#### **handleNodeState** (lines 427-458)\n```\nPurpose: Entry point for NATS node state messages\nProtocol: Receives InfluxDB line protocol encoded messages\nMessage Format: nodestate event=\"{...JSON...}\" <timestamp>\nProcessing: Decodes line protocol, validates message type, routes to processNodestateEvent\n```\n\n#### **processNodestateEvent** (lines 380-425)\n```\nPurpose: Processes the actual node state update logic\nInput: CCMessage object from line protocol decoder\nValidation: Extracts event field, parses JSON\nDatabase Op: Batch updates node states via repository\nLogging: Debug-level logging of update counts\n```\n\n---\n\n### 2. MESSAGE FORMAT SPECIFICATION\n\n**Line Protocol Format:**\n```\nnodestate event=\"{...JSON payload...}\" <timestamp>\n```\n\n**JSON Payload Structure (UpdateNodeStatesRequest):**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 23-26)\n\n```go\ntype UpdateNodeStatesRequest struct {\n Nodes []schema.NodePayload `json:\"nodes\"`\n Cluster string `json:\"cluster\" example:\"fritz\"`\n}\n```\n\n**NodePayload Structure (schema.NodePayload):**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-lib/schema/node.go` (lines 49-58)\n\n```go\ntype NodePayload struct {\n Hostname string `json:\"hostname\"` // Node hostname\n States []string `json:\"states\"` // State strings (flexible format)\n CpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n MemoryAllocated int64 `json:\"memoryAllocated\"` // Allocated memory in MB\n GpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n JobsRunning int `json:\"jobsRunning\"` // Number of running jobs\n}\n```\n\n**Example Message:**\n```\nnodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"node001\\\",\\\"states\\\":[\\\"allocated\\\"],\\\"cpusAllocated\\\":8,\\\"memoryAllocated\\\":16384,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":1}]}\" 1234567890000000000\n```\n\n---\n\n### 3. VALIDATION AND BUSINESS LOGIC\n\n#### **State Determination (determineState function)**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 37-55)\n\nMaps string state values to SchedulerState enum:\n- `\"allocated\"` → `NodeStateAllocated`\n- `\"reserved\"` → `NodeStateReserved`\n- `\"idle\"` → `NodeStateIdle`\n- `\"down\"` → `NodeStateDown`\n- `\"mixed\"` → `NodeStateMixed`\n- Default → `NodeStateUnknown` (case-insensitive matching)\n\n#### **Validation Steps in processNodestateEvent**\n1. **Message Type Check:** Validates message is an \"event\" type (line 383-386)\n2. **JSON Parsing:** Uses `json.NewDecoder` with `DisallowUnknownFields` (line 391-396)\n3. **Line Protocol Validation:** Checks measurement name is \"nodestate\" (line 452-455)\n4. **Error Handling:** Non-fatal errors are logged; processing continues for other nodes\n\n#### **No Health Check Validation**\nUnlike REST API, NATS handler:\n- **Does NOT perform health checks** against metric store\n- **Sets HealthState to `MonitoringStateFull`** unconditionally (line 410)\n- **Does NOT include HealthMetrics** (always nil)\n\n---\n\n### 4. DATABASE OPERATIONS\n\nAll database operations are delegated to `repository.NodeRepository.BatchUpdateNodeStates()`.\n\n**Location:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/node.go` (lines 254-316)\n\n#### **NodeStateUpdate Structure:**\n```go\ntype NodeStateUpdate struct {\n Hostname string\n Cluster string\n NodeState *schema.NodeStateDB\n}\n```\n\n#### **NodeStateDB Structure (Database Model):**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-lib/schema/node.go` (lines 70-83)\n\n```go\ntype NodeStateDB struct {\n ID int64 `db:\"id\"` // Database ID\n TimeStamp int64 `db:\"time_stamp\"` // Unix timestamp\n NodeState SchedulerState `db:\"node_state\"` // Scheduler state\n HealthState MonitoringState `db:\"health_state\"` // Monitoring health\n HealthMetrics string `db:\"health_metrics\"` // JSON health data\n CpusAllocated int `db:\"cpus_allocated\"` // Allocated CPUs\n MemoryAllocated int64 `db:\"memory_allocated\"` // Allocated memory\n GpusAllocated int `db:\"gpus_allocated\"` // Allocated GPUs\n JobsRunning int `db:\"jobs_running\"` // Running jobs\n NodeID int64 `db:\"node_id\"` // Foreign key to node table\n}\n```\n\n#### **BatchUpdateNodeStates Transaction Flow:**\n\n1. **Begin Transaction** (line 258)\n2. **Prepare Statements** (lines 264-280):\n - Node lookup query\n - Node insert statement\n - Node state insert statement\n3. **For Each Node Update** (lines 282-310):\n - **Lookup node** by hostname + cluster\n - **If not found:**\n - Get subcluster via `archive.GetSubClusterByNode()`\n - Create new node row with `NamedNodeInsert`\n - **If found or created:**\n - Insert node state row with `NamedNodeStateInsert`\n4. **Commit Transaction** (line 312)\n\n#### **Error Handling:**\n- Individual node errors are logged but don't prevent processing of other nodes\n- Errors logged at `ERROR` level (cclog.Errorf)\n- Transaction continues despite individual node failures\n\n#### **Timestamp Assignment:**\n- Uses `time.Now().Unix()` as the request received time (line 399)\n- This becomes the `TimeStamp` for all node state records in the batch\n\n---\n\n### 5. KEY DIFFERENCES FROM REST IMPLEMENTATION\n\n| Aspect | REST API | NATS API |\n|--------|----------|----------|\n| **Input Protocol** | HTTP POST/PUT with JSON body | NATS message with InfluxDB line protocol |\n| **Health Checks** | YES - performs health checks against metric store | NO - skips health checks entirely |\n| **Health State Value** | Determined from health check results or defaults to \"failed\" | Always set to `MonitoringStateFull` |\n| **Health Metrics** | Populated from health check results | Always empty/nil |\n| **Message Parsing** | Direct JSON decode from HTTP body | Line protocol decode → JSON extraction |\n| **Concurrency** | Single handler | Worker pool (default 2 workers, configurable) |\n| **Response** | HTTP response sent back to client | No response (async, fire-and-forget) |\n| **Error Handling** | Errors returned in HTTP response | Errors logged only, no client notification |\n| **Request Timestamp** | `time.Now().Unix()` at processing time | `time.Now().Unix()` at processing time (same) |\n| **Timeout Handling** | HTTP timeout from HTTP client | Channel-based with configurable concurrency |\n\n---\n\n### 6. CONFIGURATION\n\n**NATS Subject Configuration:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/config/config.go` (lines 117-122)\n\n```go\ntype NATSConfig struct {\n SubjectJobEvent string `json:\"subject-job-event\"`\n SubjectNodeState string `json:\"subject-node-state\"`\n JobConcurrency int `json:\"job-concurrency\"`\n NodeConcurrency int `json:\"node-concurrency\"`\n}\n```\n\n**config.json Example:**\n```json\n{\n \"main\": {\n \"api-subjects\": {\n \"subject-node-state\": \"cc.node.state\",\n \"node-concurrency\": 2\n }\n }\n}\n```\n\n**Worker Pool Setup:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go` (lines 79-109)\n\n```\nDefault Concurrency: 2 node workers, 8 job workers\nConfigurable via: config.Keys.APISubjects.NodeConcurrency\nBuffering: Messages buffered in channels (size = concurrency level)\n```\n\n---\n\n### 7. INTEGRATION POINTS\n\n#### **Subscription Setup:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go` (lines 125-153)\n\n```\nStartSubscriptions():\n - Gets NATS client\n - Subscribes to SubjectNodeState\n - Routes messages to nodeCh channel\n - Workers consume messages asynchronously\n```\n\n#### **REST vs NATS Toggle:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/rest.go` (lines 87-93)\n\nThe REST job start/stop endpoints are disabled when NATS subjects are configured:\n```go\nif config.Keys.APISubjects == nil {\n cclog.Info(\"Enabling REST start/stop job API\")\n r.Post(\"/jobs/start_job/\", api.startJob)\n r.Put(\"/jobs/start_job/\", api.startJob)\n r.Post(\"/jobs/stop_job/\", api.stopJobByRequest)\n r.Put(\"/jobs/stop_job/\", api.stopJobByRequest)\n}\n```\n\nThe node state endpoint is **always enabled** (not conditional):\n```go\nr.Post(\"/nodestate/\", api.updateNodeStates)\nr.Put(\"/nodestate/\", api.updateNodeStates)\n```\n\n---\n\n### 8. TESTING COVERAGE\n\nComprehensive test suite in `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats_test.go`:\n\n- **TestNatsHandleNodeState** (lines 589-647): Valid updates, multiple nodes, invalid JSON, empty data\n- **TestNatsHandleNodeStateEdgeCases** (lines 828-876): Missing fields, malformed JSON, unicode, large batches, timestamp handling\n- **TestNatsProcessJobEvent** (lines 649-740): Message routing and validation\n- **TestNatsHandleStartJob** & **TestNatsHandleStopJob**: Job lifecycle tests\n\n---\n\n### SUMMARY\n\nThe NATS node state handler is a **simplified, async version** of the REST endpoint that:\n- Trades **health check coverage** for **performance** (no metric store queries)\n- Uses **worker pool concurrency** for throughput\n- Applies **the same state determination logic** as REST\n- Performs **batch database operations** with transactional safety\n- Logs all errors but continues processing (fire-and-forget semantics)\n- Always marks nodes as `MonitoringStateFull` without validation\n\nThis design is suitable for trusted, internal monitoring systems where the health check is performed elsewhere before sending state updates."},{"type":"text","text":"agentId: a23b8dfea9f3e3990 (for resuming to continue this agent's work if needed)\n<usage>total_tokens: 57779\ntool_uses: 18\nduration_ms: 73543</usage>"}]}]},"uuid":"f8af4b78-f8e9-49ca-a695-0ab60425315c","timestamp":"2026-03-16T10:58:25.388Z","toolUseResult":{"status":"completed","prompt":"Find and thoroughly analyze the NATS implementation for handling node state updates in the cc-backend project. Look in internal/api/nats.go. I need:\n1. The full implementation of the NATS node state handler\n2. The message format it expects\n3. All validation and business logic\n4. Database operations performed\n5. How it differs from the REST implementation\n\nAlso check the config for NATS subjects and any related types/structs.","agentId":"a23b8dfea9f3e3990","content":[{"type":"text","text":"Perfect! Now I have all the information needed. Let me create a comprehensive analysis document.\n\n## Comprehensive Analysis of NATS Node State Handler Implementation\n\nBased on my thorough examination of the codebase, here's the complete analysis of the NATS node state update implementation:\n\n---\n\n### 1. FULL NATS NODE STATE HANDLER IMPLEMENTATION\n\n**Location:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go` (lines 380-458)\n\nThe handler consists of two main functions:\n\n#### **handleNodeState** (lines 427-458)\n```\nPurpose: Entry point for NATS node state messages\nProtocol: Receives InfluxDB line protocol encoded messages\nMessage Format: nodestate event=\"{...JSON...}\" <timestamp>\nProcessing: Decodes line protocol, validates message type, routes to processNodestateEvent\n```\n\n#### **processNodestateEvent** (lines 380-425)\n```\nPurpose: Processes the actual node state update logic\nInput: CCMessage object from line protocol decoder\nValidation: Extracts event field, parses JSON\nDatabase Op: Batch updates node states via repository\nLogging: Debug-level logging of update counts\n```\n\n---\n\n### 2. MESSAGE FORMAT SPECIFICATION\n\n**Line Protocol Format:**\n```\nnodestate event=\"{...JSON payload...}\" <timestamp>\n```\n\n**JSON Payload Structure (UpdateNodeStatesRequest):**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 23-26)\n\n```go\ntype UpdateNodeStatesRequest struct {\n Nodes []schema.NodePayload `json:\"nodes\"`\n Cluster string `json:\"cluster\" example:\"fritz\"`\n}\n```\n\n**NodePayload Structure (schema.NodePayload):**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-lib/schema/node.go` (lines 49-58)\n\n```go\ntype NodePayload struct {\n Hostname string `json:\"hostname\"` // Node hostname\n States []string `json:\"states\"` // State strings (flexible format)\n CpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n MemoryAllocated int64 `json:\"memoryAllocated\"` // Allocated memory in MB\n GpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n JobsRunning int `json:\"jobsRunning\"` // Number of running jobs\n}\n```\n\n**Example Message:**\n```\nnodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[{\\\"hostname\\\":\\\"node001\\\",\\\"states\\\":[\\\"allocated\\\"],\\\"cpusAllocated\\\":8,\\\"memoryAllocated\\\":16384,\\\"gpusAllocated\\\":0,\\\"jobsRunning\\\":1}]}\" 1234567890000000000\n```\n\n---\n\n### 3. VALIDATION AND BUSINESS LOGIC\n\n#### **State Determination (determineState function)**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 37-55)\n\nMaps string state values to SchedulerState enum:\n- `\"allocated\"` → `NodeStateAllocated`\n- `\"reserved\"` → `NodeStateReserved`\n- `\"idle\"` → `NodeStateIdle`\n- `\"down\"` → `NodeStateDown`\n- `\"mixed\"` → `NodeStateMixed`\n- Default → `NodeStateUnknown` (case-insensitive matching)\n\n#### **Validation Steps in processNodestateEvent**\n1. **Message Type Check:** Validates message is an \"event\" type (line 383-386)\n2. **JSON Parsing:** Uses `json.NewDecoder` with `DisallowUnknownFields` (line 391-396)\n3. **Line Protocol Validation:** Checks measurement name is \"nodestate\" (line 452-455)\n4. **Error Handling:** Non-fatal errors are logged; processing continues for other nodes\n\n#### **No Health Check Validation**\nUnlike REST API, NATS handler:\n- **Does NOT perform health checks** against metric store\n- **Sets HealthState to `MonitoringStateFull`** unconditionally (line 410)\n- **Does NOT include HealthMetrics** (always nil)\n\n---\n\n### 4. DATABASE OPERATIONS\n\nAll database operations are delegated to `repository.NodeRepository.BatchUpdateNodeStates()`.\n\n**Location:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/node.go` (lines 254-316)\n\n#### **NodeStateUpdate Structure:**\n```go\ntype NodeStateUpdate struct {\n Hostname string\n Cluster string\n NodeState *schema.NodeStateDB\n}\n```\n\n#### **NodeStateDB Structure (Database Model):**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-lib/schema/node.go` (lines 70-83)\n\n```go\ntype NodeStateDB struct {\n ID int64 `db:\"id\"` // Database ID\n TimeStamp int64 `db:\"time_stamp\"` // Unix timestamp\n NodeState SchedulerState `db:\"node_state\"` // Scheduler state\n HealthState MonitoringState `db:\"health_state\"` // Monitoring health\n HealthMetrics string `db:\"health_metrics\"` // JSON health data\n CpusAllocated int `db:\"cpus_allocated\"` // Allocated CPUs\n MemoryAllocated int64 `db:\"memory_allocated\"` // Allocated memory\n GpusAllocated int `db:\"gpus_allocated\"` // Allocated GPUs\n JobsRunning int `db:\"jobs_running\"` // Running jobs\n NodeID int64 `db:\"node_id\"` // Foreign key to node table\n}\n```\n\n#### **BatchUpdateNodeStates Transaction Flow:**\n\n1. **Begin Transaction** (line 258)\n2. **Prepare Statements** (lines 264-280):\n - Node lookup query\n - Node insert statement\n - Node state insert statement\n3. **For Each Node Update** (lines 282-310):\n - **Lookup node** by hostname + cluster\n - **If not found:**\n - Get subcluster via `archive.GetSubClusterByNode()`\n - Create new node row with `NamedNodeInsert`\n - **If found or created:**\n - Insert node state row with `NamedNodeStateInsert`\n4. **Commit Transaction** (line 312)\n\n#### **Error Handling:**\n- Individual node errors are logged but don't prevent processing of other nodes\n- Errors logged at `ERROR` level (cclog.Errorf)\n- Transaction continues despite individual node failures\n\n#### **Timestamp Assignment:**\n- Uses `time.Now().Unix()` as the request received time (line 399)\n- This becomes the `TimeStamp` for all node state records in the batch\n\n---\n\n### 5. KEY DIFFERENCES FROM REST IMPLEMENTATION\n\n| Aspect | REST API | NATS API |\n|--------|----------|----------|\n| **Input Protocol** | HTTP POST/PUT with JSON body | NATS message with InfluxDB line protocol |\n| **Health Checks** | YES - performs health checks against metric store | NO - skips health checks entirely |\n| **Health State Value** | Determined from health check results or defaults to \"failed\" | Always set to `MonitoringStateFull` |\n| **Health Metrics** | Populated from health check results | Always empty/nil |\n| **Message Parsing** | Direct JSON decode from HTTP body | Line protocol decode → JSON extraction |\n| **Concurrency** | Single handler | Worker pool (default 2 workers, configurable) |\n| **Response** | HTTP response sent back to client | No response (async, fire-and-forget) |\n| **Error Handling** | Errors returned in HTTP response | Errors logged only, no client notification |\n| **Request Timestamp** | `time.Now().Unix()` at processing time | `time.Now().Unix()` at processing time (same) |\n| **Timeout Handling** | HTTP timeout from HTTP client | Channel-based with configurable concurrency |\n\n---\n\n### 6. CONFIGURATION\n\n**NATS Subject Configuration:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/config/config.go` (lines 117-122)\n\n```go\ntype NATSConfig struct {\n SubjectJobEvent string `json:\"subject-job-event\"`\n SubjectNodeState string `json:\"subject-node-state\"`\n JobConcurrency int `json:\"job-concurrency\"`\n NodeConcurrency int `json:\"node-concurrency\"`\n}\n```\n\n**config.json Example:**\n```json\n{\n \"main\": {\n \"api-subjects\": {\n \"subject-node-state\": \"cc.node.state\",\n \"node-concurrency\": 2\n }\n }\n}\n```\n\n**Worker Pool Setup:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go` (lines 79-109)\n\n```\nDefault Concurrency: 2 node workers, 8 job workers\nConfigurable via: config.Keys.APISubjects.NodeConcurrency\nBuffering: Messages buffered in channels (size = concurrency level)\n```\n\n---\n\n### 7. INTEGRATION POINTS\n\n#### **Subscription Setup:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go` (lines 125-153)\n\n```\nStartSubscriptions():\n - Gets NATS client\n - Subscribes to SubjectNodeState\n - Routes messages to nodeCh channel\n - Workers consume messages asynchronously\n```\n\n#### **REST vs NATS Toggle:**\nLocation: `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/rest.go` (lines 87-93)\n\nThe REST job start/stop endpoints are disabled when NATS subjects are configured:\n```go\nif config.Keys.APISubjects == nil {\n cclog.Info(\"Enabling REST start/stop job API\")\n r.Post(\"/jobs/start_job/\", api.startJob)\n r.Put(\"/jobs/start_job/\", api.startJob)\n r.Post(\"/jobs/stop_job/\", api.stopJobByRequest)\n r.Put(\"/jobs/stop_job/\", api.stopJobByRequest)\n}\n```\n\nThe node state endpoint is **always enabled** (not conditional):\n```go\nr.Post(\"/nodestate/\", api.updateNodeStates)\nr.Put(\"/nodestate/\", api.updateNodeStates)\n```\n\n---\n\n### 8. TESTING COVERAGE\n\nComprehensive test suite in `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats_test.go`:\n\n- **TestNatsHandleNodeState** (lines 589-647): Valid updates, multiple nodes, invalid JSON, empty data\n- **TestNatsHandleNodeStateEdgeCases** (lines 828-876): Missing fields, malformed JSON, unicode, large batches, timestamp handling\n- **TestNatsProcessJobEvent** (lines 649-740): Message routing and validation\n- **TestNatsHandleStartJob** & **TestNatsHandleStopJob**: Job lifecycle tests\n\n---\n\n### SUMMARY\n\nThe NATS node state handler is a **simplified, async version** of the REST endpoint that:\n- Trades **health check coverage** for **performance** (no metric store queries)\n- Uses **worker pool concurrency** for throughput\n- Applies **the same state determination logic** as REST\n- Performs **batch database operations** with transactional safety\n- Logs all errors but continues processing (fire-and-forget semantics)\n- Always marks nodes as `MonitoringStateFull` without validation\n\nThis design is suitable for trusted, internal monitoring systems where the health check is performed elsewhere before sending state updates."}],"totalDurationMs":73543,"totalTokens":57779,"totalToolUseCount":18,"usage":{"input_tokens":2,"cache_creation_input_tokens":1327,"cache_read_input_tokens":53525,"output_tokens":2925,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":1327},"inference_geo":"","iterations":[],"speed":"standard"}},"sourceToolAssistantUUID":"3203afb5-ee26-4663-93fb-0bc28379de94","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"b0e68af7-9cdb-43ed-8a32-76f33d8c6a94","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01X8yQzW7qnoAKt2G4Yh2S2m","type":"tool_result","content":[{"type":"text","text":"Perfect! Now I have all the information I need. Let me create a comprehensive analysis document:\n\n## Comprehensive Analysis of UpdateNodeStates REST Implementation\n\nBased on my thorough analysis of the cc-backend codebase, here is the complete documentation of the REST implementation for updating node states:\n\n### 1. ENDPOINT REGISTRATION\n\n**File:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/rest.go`\n\nThe UpdateNodeStates endpoint is registered in two places:\n\n1. **MountAPIRoutes()** (line 84-85) - Primary API routes:\n ```go\n r.Post(\"/nodestate/\", api.updateNodeStates)\n r.Put(\"/nodestate/\", api.updateNodeStates)\n ```\n\n2. **MountMetricStoreAPIRoutes()** (line 134, 139) - Metric store health check:\n ```go\n r.Post(\"/healthcheck\", api.updateNodeStates)\n r.Post(\"/healthcheck/\", api.updateNodeStates)\n ```\n\nBoth POST and PUT methods are supported with identical behavior.\n\n---\n\n### 2. REQUEST FORMAT / STRUCT\n\n**File:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 23-26)\n\n```go\ntype UpdateNodeStatesRequest struct {\n Nodes []schema.NodePayload `json:\"nodes\"`\n Cluster string `json:\"cluster\" example:\"fritz\"`\n}\n```\n\n**NodePayload structure** (from `/Users/jan/prg/ClusterCockpit/cc-lib/schema/node.go`, lines 51-58):\n\n```go\ntype NodePayload struct {\n Hostname string `json:\"hostname\"` // Node hostname\n States []string `json:\"states\"` // State strings (flexible format)\n CpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n MemoryAllocated int64 `json:\"memoryAllocated\"` // Allocated memory in MB\n GpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n JobsRunning int `json:\"jobsRunning\"` // Number of running jobs\n}\n```\n\n**Example Request:**\n```json\n{\n \"cluster\": \"fritz\",\n \"nodes\": [\n {\n \"hostname\": \"node001\",\n \"states\": [\"allocated\"],\n \"cpusAllocated\": 8,\n \"memoryAllocated\": 16384,\n \"gpusAllocated\": 0,\n \"jobsRunning\": 1\n }\n ]\n}\n```\n\n---\n\n### 3. FULL HANDLER IMPLEMENTATION\n\n**File:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 57-150)\n\n```go\n// updateNodeStates godoc\n// @summary Deliver updated Slurm node states\n// @tags Nodestates\n// @description Returns a JSON-encoded list of users.\n// @description Required query-parameter defines if all users or only users with additional special roles are returned.\n// @produce json\n// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\n// @success 200 {object} api.DefaultAPIResponse \"Success message\"\n// @failure 400 {object} api.ErrorResponse \"Bad Request\"\n// @failure 401 {object} api.ErrorResponse \"Unauthorized\"\n// @failure 403 {object} api.ErrorResponse \"Forbidden\"\n// @failure 500 {object} api.ErrorResponse \"Internal Server Error\"\n// @security ApiKeyAuth\n// @router /api/nodestats/ [post]\nfunc (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n // Parse request body\n req := UpdateNodeStatesRequest{}\n if err := decode(r.Body, &req); err != nil {\n handleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n http.StatusBadRequest, rw)\n return\n }\n requestReceived := time.Now().Unix()\n repo := repository.GetNodeRepository()\n\n m := make(map[string][]string)\n metricNames := make(map[string][]string)\n healthResults := make(map[string]metricstore.HealthCheckResult)\n\n startMs := time.Now()\n\n // Step 1: Build nodeList and metricList per subcluster\n for _, node := range req.Nodes {\n if sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n m[sc] = append(m[sc], node.Hostname)\n }\n }\n\n for sc := range m {\n if sc != \"\" {\n metricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n metricNames[sc] = metricListToNames(metricList)\n }\n }\n\n // Step 2: Determine which metric store to query and perform health check\n healthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n if err != nil {\n cclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n } else {\n for sc, nl := range m {\n if sc != \"\" {\n if results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n maps.Copy(healthResults, results)\n }\n }\n }\n }\n\n cclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n startDB := time.Now()\n\n updates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n for _, node := range req.Nodes {\n state := determineState(node.States)\n healthState := schema.MonitoringStateFailed\n var healthMetrics string\n if result, ok := healthResults[node.Hostname]; ok {\n healthState = result.State\n healthMetrics = result.HealthMetrics\n }\n nodeState := schema.NodeStateDB{\n TimeStamp: requestReceived,\n NodeState: state,\n CpusAllocated: node.CpusAllocated,\n MemoryAllocated: node.MemoryAllocated,\n GpusAllocated: node.GpusAllocated,\n HealthState: healthState,\n HealthMetrics: healthMetrics,\n JobsRunning: node.JobsRunning,\n }\n updates = append(updates, repository.NodeStateUpdate{\n Hostname: node.Hostname,\n Cluster: req.Cluster,\n NodeState: &nodeState,\n })\n }\n\n if err := repo.BatchUpdateNodeStates(updates); err != nil {\n cclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n }\n\n cclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n}\n```\n\n---\n\n### 4. VALIDATION AND BUSINESS LOGIC\n\n**Step 1: Request Parsing (lines 72-78)**\n- Strict JSON parsing using `decode()` which rejects unknown fields\n- Returns `HTTP 400 BadRequest` if JSON is malformed\n- Uses `http.StatusBadRequest` error handling\n\n**Step 2: Subcluster Mapping (lines 88-93)**\n- For each node in request, determines its subcluster using `archive.GetSubClusterByNode()`\n- Builds map of `subcluster → []hostname` for batch processing\n- Silently skips nodes that can't be resolved to a subcluster\n\n**Step 3: Metric Configuration Lookup (lines 95-100)**\n- For each subcluster, retrieves metric configurations using `archive.GetMetricConfigSubCluster()`\n- Converts metric config map to list of metric names using `metricListToNames()`\n- Builds `metricNames` map for health check queries\n\n**Step 4: Health Check (lines 102-114)**\n- Retrieves health check repository using `metricdispatch.GetHealthCheckRepo()`\n- If no metric store is configured, continues gracefully with warning log\n- For each subcluster, performs health check against all nodes and metrics\n- Results are merged into `healthResults` map by hostname\n\n**Step 5: State Determination (lines 119-127)**\n- For each node, calls `determineState(node.States)` to convert states array to SchedulerState\n- Defaults health state to `schema.MonitoringStateFailed`\n- If health check results exist for the node, uses those health states/metrics\n\n**Helper Functions:**\n\n**determineState()** (lines 38-55):\n```go\nfunc determineState(states []string) schema.SchedulerState {\n for _, state := range states {\n switch strings.ToLower(state) {\n case \"allocated\":\n return schema.NodeStateAllocated\n case \"reserved\":\n return schema.NodeStateReserved\n case \"idle\":\n return schema.NodeStateIdle\n case \"down\":\n return schema.NodeStateDown\n case \"mixed\":\n return schema.NodeStateMixed\n }\n }\n return schema.NodeStateUnknown\n}\n```\n- Case-insensitive matching of state strings\n- Returns first matching known state\n- Defaults to `NodeStateUnknown` if none match\n- Assumes only one state per node\n\n**metricListToNames()** (lines 28-35):\n```go\nfunc metricListToNames(metricList map[string]*schema.Metric) []string {\n names := make([]string, 0, len(metricList))\n for name := range metricList {\n names = append(names, name)\n }\n return names\n}\n```\n- Extracts metric names from metric config map\n- Returns unordered list suitable for health check queries\n\n---\n\n### 5. DATABASE OPERATIONS\n\n**NodeStateUpdate Structure** (`/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/node.go`, lines 247-252):\n\n```go\ntype NodeStateUpdate struct {\n Hostname string\n Cluster string\n NodeState *schema.NodeStateDB\n}\n```\n\n**BatchUpdateNodeStates()** (lines 254-316 of node.go):\n\nImplements transactional batch insert with the following flow:\n\n```go\nfunc (r *NodeRepository) BatchUpdateNodeStates(updates []NodeStateUpdate) error {\n // 1. Begin transaction\n tx, err := r.DB.Beginx()\n \n // 2. Prepare three statements within transaction:\n stmtLookup, err := tx.Preparex(\"SELECT id FROM node WHERE hostname = ? AND cluster = ?\")\n stmtInsertNode, err := tx.PrepareNamed(NamedNodeInsert)\n stmtInsertState, err := tx.PrepareNamed(NamedNodeStateInsert)\n \n // 3. For each node update:\n for _, u := range updates {\n // a. Try to lookup existing node by hostname+cluster\n var id int64\n if err := stmtLookup.QueryRow(u.Hostname, u.Cluster).Scan(&id); err != nil {\n if err == sql.ErrNoRows {\n // b. If node doesn't exist, look up subcluster and insert new node\n subcluster, scErr := archive.GetSubClusterByNode(u.Cluster, u.Hostname)\n if scErr != nil {\n cclog.Errorf(\"BatchUpdateNodeStates: subcluster lookup for '%s' in '%s': %v\", u.Hostname, u.Cluster, scErr)\n continue\n }\n node := schema.NodeDB{\n Hostname: u.Hostname, Cluster: u.Cluster, SubCluster: subcluster,\n }\n res, insertErr := stmtInsertNode.Exec(&node)\n if insertErr != nil {\n cclog.Errorf(\"BatchUpdateNodeStates: insert node '%s': %v\", u.Hostname, insertErr)\n continue\n }\n id, _ = res.LastInsertId()\n } else {\n cclog.Errorf(\"BatchUpdateNodeStates: lookup node '%s': %v\", u.Hostname, err)\n continue\n }\n }\n \n // c. Insert node state row with the node_id\n u.NodeState.NodeID = id\n if _, err := stmtInsertState.Exec(u.NodeState); err != nil {\n cclog.Errorf(\"BatchUpdateNodeStates: insert state for '%s': %v\", u.Hostname, err)\n }\n }\n \n // 4. Commit transaction\n if err := tx.Commit(); err != nil {\n return fmt.Errorf(\"BatchUpdateNodeStates: commit: %w\", err)\n }\n return nil\n}\n```\n\n**SQL Statements Used:**\n\n**NamedNodeInsert** (lines 176-178):\n```sql\nINSERT INTO node (hostname, cluster, subcluster)\n VALUES (:hostname, :cluster, :subcluster);\n```\n\n**NamedNodeStateInsert** (lines 199-203):\n```sql\nINSERT INTO node_state (time_stamp, node_state, health_state, health_metrics,\n cpus_allocated, memory_allocated, gpus_allocated, jobs_running, node_id)\n VALUES (:time_stamp, :node_state, :health_state, :health_metrics,\n :cpus_allocated, :memory_allocated, :gpus_allocated, :jobs_running, :node_id);\n```\n\n**Database Schema:**\n\n**node table** (migration 10_node-table.up.sql):\n```sql\nCREATE TABLE \"node\" (\n id INTEGER PRIMARY KEY,\n hostname VARCHAR(255) NOT NULL,\n cluster VARCHAR(255) NOT NULL,\n subcluster VARCHAR(255) NOT NULL,\n meta_data TEXT, -- JSON\n UNIQUE (hostname, cluster)\n);\n```\n\n**node_state table:**\n```sql\nCREATE TABLE \"node_state\" (\n id INTEGER PRIMARY KEY,\n time_stamp INTEGER NOT NULL,\n jobs_running INTEGER DEFAULT 0 NOT NULL,\n cpus_allocated INTEGER DEFAULT 0 NOT NULL,\n memory_allocated INTEGER DEFAULT 0 NOT NULL,\n gpus_allocated INTEGER DEFAULT 0 NOT NULL,\n node_state VARCHAR(255) NOT NULL\n CHECK (node_state IN ('allocated', 'reserved', 'idle', 'mixed', 'down', 'unknown')),\n health_state VARCHAR(255) NOT NULL\n CHECK (health_state IN ('full', 'partial', 'failed')),\n health_metrics TEXT, -- JSON array of strings\n node_id INTEGER,\n FOREIGN KEY (node_id) REFERENCES node (id)\n);\n```\n\n**Key Transaction Features:**\n- All node lookups and inserts/state inserts happen within a single transaction\n- Reduces lock acquisitions from 2*N to 1 for N nodes\n- Errors during individual node updates are logged but don't abort the batch\n- Uses prepared statements for efficiency\n- Defers rollback in case of errors\n\n**NodeStateDB Structure** (from schema/node.go, lines 72-83):\n```go\ntype NodeStateDB struct {\n ID int64 `db:\"id\"`\n TimeStamp int64 `db:\"time_stamp\"` // Unix timestamp (set to requestReceived)\n NodeState SchedulerState `db:\"node_state\"` // allocated/reserved/idle/mixed/down/unknown\n HealthState MonitoringState `db:\"health_state\"` // full/partial/failed\n HealthMetrics string `db:\"health_metrics\"` // JSON: {\"missing\":[...],\"degraded\":[...]}\n CpusAllocated int `db:\"cpus_allocated\"`\n MemoryAllocated int64 `db:\"memory_allocated\"`\n GpusAllocated int `db:\"gpus_allocated\"`\n JobsRunning int `db:\"jobs_running\"`\n NodeID int64 `db:\"node_id\"` // Foreign key to node(id)\n}\n```\n\n---\n\n### 6. HELPER FUNCTIONS CALLED\n\n1. **decode(r.Body, &req)** - Parses JSON request body with strict validation\n2. **repository.GetNodeRepository()** - Returns singleton NodeRepository instance\n3. **archive.GetSubClusterByNode(cluster, hostname)** - Determines subcluster from topology\n4. **archive.GetMetricConfigSubCluster(cluster, sc)** - Retrieves metric configurations\n5. **metricListToNames(metricList)** - Converts metric map to name list\n6. **metricdispatch.GetHealthCheckRepo(cluster)** - Gets health check repository for metric store\n7. **healthRepo.HealthCheck(cluster, nodes, metrics)** - Performs health check on metric store\n8. **determineState(states []string)** - Converts state string array to SchedulerState enum\n9. **repo.BatchUpdateNodeStates(updates)** - Executes transactional batch database insert\n10. **handleError()** - Returns standardized JSON error response\n\n---\n\n### 7. ERROR RESPONSES\n\n**ErrorResponse Structure**:\n```go\ntype ErrorResponse struct {\n Status string `json:\"status\"` // HTTP status text\n Error string `json:\"error\"` // Error message\n}\n```\n\n**HTTP Status Codes:**\n- **400 Bad Request** - JSON parsing failed\n- **401 Unauthorized** - No authentication token or invalid token\n- **403 Forbidden** - User lacks required permissions\n- **500 Internal Server Error** - Database operations fail\n\n**Note:** The current implementation does NOT return an error response on successful completion. It logs errors but doesn't fail the HTTP request when individual node updates fail during batch operations.\n\n---\n\n### 8. TIMING AND LOGGING\n\nThe endpoint records performance metrics:\n- `Timer updateNodeStates, MemStore HealthCheck: <duration>` - Health check query time\n- `Timer updateNodeStates, SQLite Inserts: <duration>` - Database transaction time\n- Error logging at WARN level for missing metric stores\n- Error logging at ERROR level for individual node failures during batch operations\n- Debug logging for state update completion\n\n---\n\nThis comprehensive implementation provides efficient batch processing of node state updates with transaction support, health check integration, and graceful error handling."},{"type":"text","text":"agentId: ab03c542dd3b3a6c0 (for resuming to continue this agent's work if needed)\n<usage>total_tokens: 53155\ntool_uses: 25\nduration_ms: 103232</usage>"}]}]},"uuid":"d8b4a287-89e0-4626-92f5-fad9bc183b03","timestamp":"2026-03-16T10:58:53.249Z","toolUseResult":{"status":"completed","prompt":"Find and thoroughly analyze the REST implementation for updating node states in the cc-backend project. Look in internal/api/ for the REST handler. I need:\n1. The full implementation of the UpdateNodeStates REST endpoint\n2. The request format/struct it expects\n3. All validation and business logic\n4. Database operations performed\n5. Any helper functions called\n\nSearch in internal/api/rest.go and related files. Also check internal/repository/ for any node-related repository methods used.","agentId":"ab03c542dd3b3a6c0","content":[{"type":"text","text":"Perfect! Now I have all the information I need. Let me create a comprehensive analysis document:\n\n## Comprehensive Analysis of UpdateNodeStates REST Implementation\n\nBased on my thorough analysis of the cc-backend codebase, here is the complete documentation of the REST implementation for updating node states:\n\n### 1. ENDPOINT REGISTRATION\n\n**File:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/rest.go`\n\nThe UpdateNodeStates endpoint is registered in two places:\n\n1. **MountAPIRoutes()** (line 84-85) - Primary API routes:\n ```go\n r.Post(\"/nodestate/\", api.updateNodeStates)\n r.Put(\"/nodestate/\", api.updateNodeStates)\n ```\n\n2. **MountMetricStoreAPIRoutes()** (line 134, 139) - Metric store health check:\n ```go\n r.Post(\"/healthcheck\", api.updateNodeStates)\n r.Post(\"/healthcheck/\", api.updateNodeStates)\n ```\n\nBoth POST and PUT methods are supported with identical behavior.\n\n---\n\n### 2. REQUEST FORMAT / STRUCT\n\n**File:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 23-26)\n\n```go\ntype UpdateNodeStatesRequest struct {\n Nodes []schema.NodePayload `json:\"nodes\"`\n Cluster string `json:\"cluster\" example:\"fritz\"`\n}\n```\n\n**NodePayload structure** (from `/Users/jan/prg/ClusterCockpit/cc-lib/schema/node.go`, lines 51-58):\n\n```go\ntype NodePayload struct {\n Hostname string `json:\"hostname\"` // Node hostname\n States []string `json:\"states\"` // State strings (flexible format)\n CpusAllocated int `json:\"cpusAllocated\"` // Number of allocated CPUs\n MemoryAllocated int64 `json:\"memoryAllocated\"` // Allocated memory in MB\n GpusAllocated int `json:\"gpusAllocated\"` // Number of allocated GPUs\n JobsRunning int `json:\"jobsRunning\"` // Number of running jobs\n}\n```\n\n**Example Request:**\n```json\n{\n \"cluster\": \"fritz\",\n \"nodes\": [\n {\n \"hostname\": \"node001\",\n \"states\": [\"allocated\"],\n \"cpusAllocated\": 8,\n \"memoryAllocated\": 16384,\n \"gpusAllocated\": 0,\n \"jobsRunning\": 1\n }\n ]\n}\n```\n\n---\n\n### 3. FULL HANDLER IMPLEMENTATION\n\n**File:** `/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go` (lines 57-150)\n\n```go\n// updateNodeStates godoc\n// @summary Deliver updated Slurm node states\n// @tags Nodestates\n// @description Returns a JSON-encoded list of users.\n// @description Required query-parameter defines if all users or only users with additional special roles are returned.\n// @produce json\n// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\n// @success 200 {object} api.DefaultAPIResponse \"Success message\"\n// @failure 400 {object} api.ErrorResponse \"Bad Request\"\n// @failure 401 {object} api.ErrorResponse \"Unauthorized\"\n// @failure 403 {object} api.ErrorResponse \"Forbidden\"\n// @failure 500 {object} api.ErrorResponse \"Internal Server Error\"\n// @security ApiKeyAuth\n// @router /api/nodestats/ [post]\nfunc (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n // Parse request body\n req := UpdateNodeStatesRequest{}\n if err := decode(r.Body, &req); err != nil {\n handleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n http.StatusBadRequest, rw)\n return\n }\n requestReceived := time.Now().Unix()\n repo := repository.GetNodeRepository()\n\n m := make(map[string][]string)\n metricNames := make(map[string][]string)\n healthResults := make(map[string]metricstore.HealthCheckResult)\n\n startMs := time.Now()\n\n // Step 1: Build nodeList and metricList per subcluster\n for _, node := range req.Nodes {\n if sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n m[sc] = append(m[sc], node.Hostname)\n }\n }\n\n for sc := range m {\n if sc != \"\" {\n metricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n metricNames[sc] = metricListToNames(metricList)\n }\n }\n\n // Step 2: Determine which metric store to query and perform health check\n healthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n if err != nil {\n cclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n } else {\n for sc, nl := range m {\n if sc != \"\" {\n if results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n maps.Copy(healthResults, results)\n }\n }\n }\n }\n\n cclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n startDB := time.Now()\n\n updates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n for _, node := range req.Nodes {\n state := determineState(node.States)\n healthState := schema.MonitoringStateFailed\n var healthMetrics string\n if result, ok := healthResults[node.Hostname]; ok {\n healthState = result.State\n healthMetrics = result.HealthMetrics\n }\n nodeState := schema.NodeStateDB{\n TimeStamp: requestReceived,\n NodeState: state,\n CpusAllocated: node.CpusAllocated,\n MemoryAllocated: node.MemoryAllocated,\n GpusAllocated: node.GpusAllocated,\n HealthState: healthState,\n HealthMetrics: healthMetrics,\n JobsRunning: node.JobsRunning,\n }\n updates = append(updates, repository.NodeStateUpdate{\n Hostname: node.Hostname,\n Cluster: req.Cluster,\n NodeState: &nodeState,\n })\n }\n\n if err := repo.BatchUpdateNodeStates(updates); err != nil {\n cclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n }\n\n cclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n}\n```\n\n---\n\n### 4. VALIDATION AND BUSINESS LOGIC\n\n**Step 1: Request Parsing (lines 72-78)**\n- Strict JSON parsing using `decode()` which rejects unknown fields\n- Returns `HTTP 400 BadRequest` if JSON is malformed\n- Uses `http.StatusBadRequest` error handling\n\n**Step 2: Subcluster Mapping (lines 88-93)**\n- For each node in request, determines its subcluster using `archive.GetSubClusterByNode()`\n- Builds map of `subcluster → []hostname` for batch processing\n- Silently skips nodes that can't be resolved to a subcluster\n\n**Step 3: Metric Configuration Lookup (lines 95-100)**\n- For each subcluster, retrieves metric configurations using `archive.GetMetricConfigSubCluster()`\n- Converts metric config map to list of metric names using `metricListToNames()`\n- Builds `metricNames` map for health check queries\n\n**Step 4: Health Check (lines 102-114)**\n- Retrieves health check repository using `metricdispatch.GetHealthCheckRepo()`\n- If no metric store is configured, continues gracefully with warning log\n- For each subcluster, performs health check against all nodes and metrics\n- Results are merged into `healthResults` map by hostname\n\n**Step 5: State Determination (lines 119-127)**\n- For each node, calls `determineState(node.States)` to convert states array to SchedulerState\n- Defaults health state to `schema.MonitoringStateFailed`\n- If health check results exist for the node, uses those health states/metrics\n\n**Helper Functions:**\n\n**determineState()** (lines 38-55):\n```go\nfunc determineState(states []string) schema.SchedulerState {\n for _, state := range states {\n switch strings.ToLower(state) {\n case \"allocated\":\n return schema.NodeStateAllocated\n case \"reserved\":\n return schema.NodeStateReserved\n case \"idle\":\n return schema.NodeStateIdle\n case \"down\":\n return schema.NodeStateDown\n case \"mixed\":\n return schema.NodeStateMixed\n }\n }\n return schema.NodeStateUnknown\n}\n```\n- Case-insensitive matching of state strings\n- Returns first matching known state\n- Defaults to `NodeStateUnknown` if none match\n- Assumes only one state per node\n\n**metricListToNames()** (lines 28-35):\n```go\nfunc metricListToNames(metricList map[string]*schema.Metric) []string {\n names := make([]string, 0, len(metricList))\n for name := range metricList {\n names = append(names, name)\n }\n return names\n}\n```\n- Extracts metric names from metric config map\n- Returns unordered list suitable for health check queries\n\n---\n\n### 5. DATABASE OPERATIONS\n\n**NodeStateUpdate Structure** (`/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/node.go`, lines 247-252):\n\n```go\ntype NodeStateUpdate struct {\n Hostname string\n Cluster string\n NodeState *schema.NodeStateDB\n}\n```\n\n**BatchUpdateNodeStates()** (lines 254-316 of node.go):\n\nImplements transactional batch insert with the following flow:\n\n```go\nfunc (r *NodeRepository) BatchUpdateNodeStates(updates []NodeStateUpdate) error {\n // 1. Begin transaction\n tx, err := r.DB.Beginx()\n \n // 2. Prepare three statements within transaction:\n stmtLookup, err := tx.Preparex(\"SELECT id FROM node WHERE hostname = ? AND cluster = ?\")\n stmtInsertNode, err := tx.PrepareNamed(NamedNodeInsert)\n stmtInsertState, err := tx.PrepareNamed(NamedNodeStateInsert)\n \n // 3. For each node update:\n for _, u := range updates {\n // a. Try to lookup existing node by hostname+cluster\n var id int64\n if err := stmtLookup.QueryRow(u.Hostname, u.Cluster).Scan(&id); err != nil {\n if err == sql.ErrNoRows {\n // b. If node doesn't exist, look up subcluster and insert new node\n subcluster, scErr := archive.GetSubClusterByNode(u.Cluster, u.Hostname)\n if scErr != nil {\n cclog.Errorf(\"BatchUpdateNodeStates: subcluster lookup for '%s' in '%s': %v\", u.Hostname, u.Cluster, scErr)\n continue\n }\n node := schema.NodeDB{\n Hostname: u.Hostname, Cluster: u.Cluster, SubCluster: subcluster,\n }\n res, insertErr := stmtInsertNode.Exec(&node)\n if insertErr != nil {\n cclog.Errorf(\"BatchUpdateNodeStates: insert node '%s': %v\", u.Hostname, insertErr)\n continue\n }\n id, _ = res.LastInsertId()\n } else {\n cclog.Errorf(\"BatchUpdateNodeStates: lookup node '%s': %v\", u.Hostname, err)\n continue\n }\n }\n \n // c. Insert node state row with the node_id\n u.NodeState.NodeID = id\n if _, err := stmtInsertState.Exec(u.NodeState); err != nil {\n cclog.Errorf(\"BatchUpdateNodeStates: insert state for '%s': %v\", u.Hostname, err)\n }\n }\n \n // 4. Commit transaction\n if err := tx.Commit(); err != nil {\n return fmt.Errorf(\"BatchUpdateNodeStates: commit: %w\", err)\n }\n return nil\n}\n```\n\n**SQL Statements Used:**\n\n**NamedNodeInsert** (lines 176-178):\n```sql\nINSERT INTO node (hostname, cluster, subcluster)\n VALUES (:hostname, :cluster, :subcluster);\n```\n\n**NamedNodeStateInsert** (lines 199-203):\n```sql\nINSERT INTO node_state (time_stamp, node_state, health_state, health_metrics,\n cpus_allocated, memory_allocated, gpus_allocated, jobs_running, node_id)\n VALUES (:time_stamp, :node_state, :health_state, :health_metrics,\n :cpus_allocated, :memory_allocated, :gpus_allocated, :jobs_running, :node_id);\n```\n\n**Database Schema:**\n\n**node table** (migration 10_node-table.up.sql):\n```sql\nCREATE TABLE \"node\" (\n id INTEGER PRIMARY KEY,\n hostname VARCHAR(255) NOT NULL,\n cluster VARCHAR(255) NOT NULL,\n subcluster VARCHAR(255) NOT NULL,\n meta_data TEXT, -- JSON\n UNIQUE (hostname, cluster)\n);\n```\n\n**node_state table:**\n```sql\nCREATE TABLE \"node_state\" (\n id INTEGER PRIMARY KEY,\n time_stamp INTEGER NOT NULL,\n jobs_running INTEGER DEFAULT 0 NOT NULL,\n cpus_allocated INTEGER DEFAULT 0 NOT NULL,\n memory_allocated INTEGER DEFAULT 0 NOT NULL,\n gpus_allocated INTEGER DEFAULT 0 NOT NULL,\n node_state VARCHAR(255) NOT NULL\n CHECK (node_state IN ('allocated', 'reserved', 'idle', 'mixed', 'down', 'unknown')),\n health_state VARCHAR(255) NOT NULL\n CHECK (health_state IN ('full', 'partial', 'failed')),\n health_metrics TEXT, -- JSON array of strings\n node_id INTEGER,\n FOREIGN KEY (node_id) REFERENCES node (id)\n);\n```\n\n**Key Transaction Features:**\n- All node lookups and inserts/state inserts happen within a single transaction\n- Reduces lock acquisitions from 2*N to 1 for N nodes\n- Errors during individual node updates are logged but don't abort the batch\n- Uses prepared statements for efficiency\n- Defers rollback in case of errors\n\n**NodeStateDB Structure** (from schema/node.go, lines 72-83):\n```go\ntype NodeStateDB struct {\n ID int64 `db:\"id\"`\n TimeStamp int64 `db:\"time_stamp\"` // Unix timestamp (set to requestReceived)\n NodeState SchedulerState `db:\"node_state\"` // allocated/reserved/idle/mixed/down/unknown\n HealthState MonitoringState `db:\"health_state\"` // full/partial/failed\n HealthMetrics string `db:\"health_metrics\"` // JSON: {\"missing\":[...],\"degraded\":[...]}\n CpusAllocated int `db:\"cpus_allocated\"`\n MemoryAllocated int64 `db:\"memory_allocated\"`\n GpusAllocated int `db:\"gpus_allocated\"`\n JobsRunning int `db:\"jobs_running\"`\n NodeID int64 `db:\"node_id\"` // Foreign key to node(id)\n}\n```\n\n---\n\n### 6. HELPER FUNCTIONS CALLED\n\n1. **decode(r.Body, &req)** - Parses JSON request body with strict validation\n2. **repository.GetNodeRepository()** - Returns singleton NodeRepository instance\n3. **archive.GetSubClusterByNode(cluster, hostname)** - Determines subcluster from topology\n4. **archive.GetMetricConfigSubCluster(cluster, sc)** - Retrieves metric configurations\n5. **metricListToNames(metricList)** - Converts metric map to name list\n6. **metricdispatch.GetHealthCheckRepo(cluster)** - Gets health check repository for metric store\n7. **healthRepo.HealthCheck(cluster, nodes, metrics)** - Performs health check on metric store\n8. **determineState(states []string)** - Converts state string array to SchedulerState enum\n9. **repo.BatchUpdateNodeStates(updates)** - Executes transactional batch database insert\n10. **handleError()** - Returns standardized JSON error response\n\n---\n\n### 7. ERROR RESPONSES\n\n**ErrorResponse Structure**:\n```go\ntype ErrorResponse struct {\n Status string `json:\"status\"` // HTTP status text\n Error string `json:\"error\"` // Error message\n}\n```\n\n**HTTP Status Codes:**\n- **400 Bad Request** - JSON parsing failed\n- **401 Unauthorized** - No authentication token or invalid token\n- **403 Forbidden** - User lacks required permissions\n- **500 Internal Server Error** - Database operations fail\n\n**Note:** The current implementation does NOT return an error response on successful completion. It logs errors but doesn't fail the HTTP request when individual node updates fail during batch operations.\n\n---\n\n### 8. TIMING AND LOGGING\n\nThe endpoint records performance metrics:\n- `Timer updateNodeStates, MemStore HealthCheck: <duration>` - Health check query time\n- `Timer updateNodeStates, SQLite Inserts: <duration>` - Database transaction time\n- Error logging at WARN level for missing metric stores\n- Error logging at ERROR level for individual node failures during batch operations\n- Debug logging for state update completion\n\n---\n\nThis comprehensive implementation provides efficient batch processing of node state updates with transaction support, health check integration, and graceful error handling."}],"totalDurationMs":103232,"totalTokens":53155,"totalToolUseCount":25,"usage":{"input_tokens":0,"cache_creation_input_tokens":585,"cache_read_input_tokens":47945,"output_tokens":4625,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":585},"inference_geo":"","iterations":[],"speed":"standard"}},"sourceToolAssistantUUID":"b0e68af7-9cdb-43ed-8a32-76f33d8c6a94","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"d8b4a287-89e0-4626-92f5-fad9bc183b03","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_011dUmVCvcraYXish5tutXAh","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"EtICCkYICxgCKkBBQON50K4YEL+5bqx2sgavBaDeQoLJL0Grtw6RKnEV4hVxdybl5ybIt/Rc+z+Z44EkfTEdcGw7uefx6ArEgKC6EgxCglsdOkgbR/u4i1UaDEcDKLKmGwELUjltuyIwHhghf/zab7TJ1b58uBP4gmjPY+fUiqU3gGX1RQDCcvZdNpJ7iGAewA1dVRUcgl2EKrkBCkBoGCL9ttVZ8/WdAAr9OG8fbqwMvN+kTQcdKk87GUqt70CS4cJM6qFVxEFRHfGxo/745XDaDp3ocAqDCe4moOXyWNK9jGTjxqsev7QsykIYM9wWJaN8KLiUxQd0KEybuwhN0LsxqFQFxIrvmz9pFDzZomDEhL04nj3BrBb9vEvC4akVoNoiehsAfth4uYBzgZNGUwVyf4ZOaN7AzUrOa/wjPz4TSiNEV+Uo/1uOihX6T7JgvzzYmQYYAQ=="}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3016,"cache_creation_input_tokens":5129,"cache_read_input_tokens":19747,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":5129},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eA71HetmBaEtXRWC8i","type":"assistant","uuid":"b18e65e4-b548-4c15-851d-68c153bd1f4c","timestamp":"2026-03-16T10:59:03.284Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"b18e65e4-b548-4c15-851d-68c153bd1f4c","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_011dUmVCvcraYXish5tutXAh","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me read the actual current files to verify the details."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3016,"cache_creation_input_tokens":5129,"cache_read_input_tokens":19747,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":5129},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eA71HetmBaEtXRWC8i","type":"assistant","uuid":"1d560c4f-350d-4d07-b6e0-cee72941c285","timestamp":"2026-03-16T10:59:03.801Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"dbc5434c-a107-41ff-8101-7020c39ee2e8","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01VqNJxq46iwN1on5uhwmXTX","toolUseID":"toolu_01VqNJxq46iwN1on5uhwmXTX","timestamp":"2026-03-16T10:59:04.787Z","uuid":"3305d435-884b-43ed-9fad-a6c4483b52b5","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"dbc5434c-a107-41ff-8101-7020c39ee2e8","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VqNJxq46iwN1on5uhwmXTX","type":"tool_result","content":" 375→\t}\n 376→\n 377→\tarchiver.TriggerArchiving(job)\n 378→}\n 379→\n 380→// processNodestateEvent extracts and processes node state data from the InfluxDB message.\n 381→// Updates node states in the repository for all nodes in the payload.\n 382→func (api *NatsAPI) processNodestateEvent(msg lp.CCMessage) {\n 383→\tv, ok := msg.GetEventValue()\n 384→\tif !ok {\n 385→\t\tcclog.Errorf(\"Nodestate event is missing event field with JSON payload\")\n 386→\t\treturn\n 387→\t}\n 388→\n 389→\tvar req UpdateNodeStatesRequest\n 390→\n 391→\tdec := json.NewDecoder(strings.NewReader(v))\n 392→\tdec.DisallowUnknownFields()\n 393→\tif err := dec.Decode(&req); err != nil {\n 394→\t\tcclog.Errorf(\"NATS nodestate: parsing request failed: %v\", err)\n 395→\t\treturn\n 396→\t}\n 397→\n 398→\trepo := repository.GetNodeRepository()\n 399→\trequestReceived := time.Now().Unix()\n 400→\n 401→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 402→\tfor _, node := range req.Nodes {\n 403→\t\tstate := determineState(node.States)\n 404→\t\tnodeState := schema.NodeStateDB{\n 405→\t\t\tTimeStamp: requestReceived,\n 406→\t\t\tNodeState: state,\n 407→\t\t\tCpusAllocated: node.CpusAllocated,\n 408→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 409→\t\t\tGpusAllocated: node.GpusAllocated,\n 410→\t\t\tHealthState: schema.MonitoringStateFull,\n 411→\t\t\tJobsRunning: node.JobsRunning,\n 412→\t\t}\n 413→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 414→\t\t\tHostname: node.Hostname,\n 415→\t\t\tCluster: req.Cluster,\n 416→\t\t\tNodeState: &nodeState,\n 417→\t\t})\n 418→\t}\n 419→\n 420→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 421→\t\tcclog.Errorf(\"NATS nodestate: batch update for cluster %s failed: %v\", req.Cluster, err)\n 422→\t}\n 423→\n 424→\tcclog.Debugf(\"NATS nodestate: updated %d node states for cluster %s\", len(req.Nodes), req.Cluster)\n 425→}\n 426→\n 427→// handleNodeState processes node state update messages received via NATS using InfluxDB line protocol.\n 428→// The message must be in line protocol format with measurement=\"nodestate\" and include:\n 429→// - field \"event\" containing JSON payload (UpdateNodeStatesRequest)\n 430→//\n 431→// Example: nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[...]}\" 1234567890000000000\n 432→func (api *NatsAPI) handleNodeState(subject string, data []byte) {\n 433→\tif len(data) == 0 {\n 434→\t\tcclog.Warnf(\"NATS %s: received empty message\", subject)\n 435→\t\treturn\n 436→\t}\n 437→\n 438→\td := influx.NewDecoderWithBytes(data)\n 439→\n 440→\tfor d.Next() {\n 441→\t\tm, err := receivers.DecodeInfluxMessage(d)\n 442→\t\tif err != nil {\n 443→\t\t\tcclog.Errorf(\"NATS %s: failed to decode InfluxDB line protocol message: %v\", subject, err)\n 444→\t\t\treturn\n 445→\t\t}\n 446→\n 447→\t\tif !m.IsEvent() {\n 448→\t\t\tcclog.Warnf(\"NATS %s: received non-event message, skipping\", subject)\n 449→\t\t\tcontinue\n 450→\t\t}\n 451→\n 452→\t\tif m.Name() == \"nodestate\" {\n 453→\t\t\tapi.processNodestateEvent(m)\n 454→\t\t} else {\n 455→\t\t\tcclog.Warnf(\"NATS %s: unexpected measurement name '%s', expected 'nodestate'\", subject, m.Name())\n 456→\t\t}\n 457→\t}\n 458→}\n 459→"}]},"uuid":"eb9f953a-1cf5-4bfc-80c8-7c2a860b946e","timestamp":"2026-03-16T10:59:04.787Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go","content":"\t}\n\n\tarchiver.TriggerArchiving(job)\n}\n\n// processNodestateEvent extracts and processes node state data from the InfluxDB message.\n// Updates node states in the repository for all nodes in the payload.\nfunc (api *NatsAPI) processNodestateEvent(msg lp.CCMessage) {\n\tv, ok := msg.GetEventValue()\n\tif !ok {\n\t\tcclog.Errorf(\"Nodestate event is missing event field with JSON payload\")\n\t\treturn\n\t}\n\n\tvar req UpdateNodeStatesRequest\n\n\tdec := json.NewDecoder(strings.NewReader(v))\n\tdec.DisallowUnknownFields()\n\tif err := dec.Decode(&req); err != nil {\n\t\tcclog.Errorf(\"NATS nodestate: parsing request failed: %v\", err)\n\t\treturn\n\t}\n\n\trepo := repository.GetNodeRepository()\n\trequestReceived := time.Now().Unix()\n\n\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n\tfor _, node := range req.Nodes {\n\t\tstate := determineState(node.States)\n\t\tnodeState := schema.NodeStateDB{\n\t\t\tTimeStamp: requestReceived,\n\t\t\tNodeState: state,\n\t\t\tCpusAllocated: node.CpusAllocated,\n\t\t\tMemoryAllocated: node.MemoryAllocated,\n\t\t\tGpusAllocated: node.GpusAllocated,\n\t\t\tHealthState: schema.MonitoringStateFull,\n\t\t\tJobsRunning: node.JobsRunning,\n\t\t}\n\t\tupdates = append(updates, repository.NodeStateUpdate{\n\t\t\tHostname: node.Hostname,\n\t\t\tCluster: req.Cluster,\n\t\t\tNodeState: &nodeState,\n\t\t})\n\t}\n\n\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n\t\tcclog.Errorf(\"NATS nodestate: batch update for cluster %s failed: %v\", req.Cluster, err)\n\t}\n\n\tcclog.Debugf(\"NATS nodestate: updated %d node states for cluster %s\", len(req.Nodes), req.Cluster)\n}\n\n// handleNodeState processes node state update messages received via NATS using InfluxDB line protocol.\n// The message must be in line protocol format with measurement=\"nodestate\" and include:\n// - field \"event\" containing JSON payload (UpdateNodeStatesRequest)\n//\n// Example: nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[...]}\" 1234567890000000000\nfunc (api *NatsAPI) handleNodeState(subject string, data []byte) {\n\tif len(data) == 0 {\n\t\tcclog.Warnf(\"NATS %s: received empty message\", subject)\n\t\treturn\n\t}\n\n\td := influx.NewDecoderWithBytes(data)\n\n\tfor d.Next() {\n\t\tm, err := receivers.DecodeInfluxMessage(d)\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"NATS %s: failed to decode InfluxDB line protocol message: %v\", subject, err)\n\t\t\treturn\n\t\t}\n\n\t\tif !m.IsEvent() {\n\t\t\tcclog.Warnf(\"NATS %s: received non-event message, skipping\", subject)\n\t\t\tcontinue\n\t\t}\n\n\t\tif m.Name() == \"nodestate\" {\n\t\t\tapi.processNodestateEvent(m)\n\t\t} else {\n\t\t\tcclog.Warnf(\"NATS %s: unexpected measurement name '%s', expected 'nodestate'\", subject, m.Name())\n\t\t}\n\t}\n}\n","numLines":85,"startLine":375,"totalLines":459}},"sourceToolAssistantUUID":"dbc5434c-a107-41ff-8101-7020c39ee2e8","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"b1e8cb87-5b65-4326-804d-1ab752119f3c","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01LUY42T8Khu4G2eq5XKGfPX","toolUseID":"toolu_01LUY42T8Khu4G2eq5XKGfPX","timestamp":"2026-03-16T10:59:05.015Z","uuid":"0d86fd46-6d10-461b-8cdd-455c1cda5d77","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"b1e8cb87-5b65-4326-804d-1ab752119f3c","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01LUY42T8Khu4G2eq5XKGfPX","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package api\n 7→\n 8→import (\n 9→\t\"fmt\"\n 10→\t\"maps\"\n 11→\t\"net/http\"\n 12→\t\"strings\"\n 13→\t\"time\"\n 14→\n 15→\t\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"\n 16→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 17→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 18→\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n 19→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 20→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 21→)\n 22→\n 23→type UpdateNodeStatesRequest struct {\n 24→\tNodes []schema.NodePayload `json:\"nodes\"`\n 25→\tCluster string `json:\"cluster\" example:\"fritz\"`\n 26→}\n 27→\n 28→// metricListToNames converts a map of metric configurations to a list of metric names\n 29→func metricListToNames(metricList map[string]*schema.Metric) []string {\n 30→\tnames := make([]string, 0, len(metricList))\n 31→\tfor name := range metricList {\n 32→\t\tnames = append(names, name)\n 33→\t}\n 34→\treturn names\n 35→}\n 36→\n 37→// this routine assumes that only one of them exists per node\n 38→func determineState(states []string) schema.SchedulerState {\n 39→\tfor _, state := range states {\n 40→\t\tswitch strings.ToLower(state) {\n 41→\t\tcase \"allocated\":\n 42→\t\t\treturn schema.NodeStateAllocated\n 43→\t\tcase \"reserved\":\n 44→\t\t\treturn schema.NodeStateReserved\n 45→\t\tcase \"idle\":\n 46→\t\t\treturn schema.NodeStateIdle\n 47→\t\tcase \"down\":\n 48→\t\t\treturn schema.NodeStateDown\n 49→\t\tcase \"mixed\":\n 50→\t\t\treturn schema.NodeStateMixed\n 51→\t\t}\n 52→\t}\n 53→\n 54→\treturn schema.NodeStateUnknown\n 55→}\n 56→\n 57→// updateNodeStates godoc\n 58→// @summary Deliver updated Slurm node states\n 59→// @tags Nodestates\n 60→// @description Returns a JSON-encoded list of users.\n 61→// @description Required query-parameter defines if all users or only users with additional special roles are returned.\n 62→// @produce json\n 63→// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\n 64→// @success 200 {object} api.DefaultAPIResponse \"Success message\"\n 65→// @failure 400 {object} api.ErrorResponse \"Bad Request\"\n 66→// @failure 401 {object} api.ErrorResponse \"Unauthorized\"\n 67→// @failure 403 {object} api.ErrorResponse \"Forbidden\"\n 68→// @failure 500 {object} api.ErrorResponse \"Internal Server Error\"\n 69→// @security ApiKeyAuth\n 70→// @router /api/nodestats/ [post]\n 71→func (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n 72→\t// Parse request body\n 73→\treq := UpdateNodeStatesRequest{}\n 74→\tif err := decode(r.Body, &req); err != nil {\n 75→\t\thandleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n 76→\t\t\thttp.StatusBadRequest, rw)\n 77→\t\treturn\n 78→\t}\n 79→\trequestReceived := time.Now().Unix()\n 80→\trepo := repository.GetNodeRepository()\n 81→\n 82→\tm := make(map[string][]string)\n 83→\tmetricNames := make(map[string][]string)\n 84→\thealthResults := make(map[string]metricstore.HealthCheckResult)\n 85→\n 86→\tstartMs := time.Now()\n 87→\n 88→\t// Step 1: Build nodeList and metricList per subcluster\n 89→\tfor _, node := range req.Nodes {\n 90→\t\tif sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n 91→\t\t\tm[sc] = append(m[sc], node.Hostname)\n 92→\t\t}\n 93→\t}\n 94→\n 95→\tfor sc := range m {\n 96→\t\tif sc != \"\" {\n 97→\t\t\tmetricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n 98→\t\t\tmetricNames[sc] = metricListToNames(metricList)\n 99→\t\t}\n 100→\t}\n 101→\n 102→\t// Step 2: Determine which metric store to query and perform health check\n 103→\thealthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n 104→\tif err != nil {\n 105→\t\tcclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n 106→\t} else {\n 107→\t\tfor sc, nl := range m {\n 108→\t\t\tif sc != \"\" {\n 109→\t\t\t\tif results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n 110→\t\t\t\t\tmaps.Copy(healthResults, results)\n 111→\t\t\t\t}\n 112→\t\t\t}\n 113→\t\t}\n 114→\t}\n 115→\n 116→\tcclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n 117→\tstartDB := time.Now()\n 118→\n 119→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 120→\tfor _, node := range req.Nodes {\n 121→\t\tstate := determineState(node.States)\n 122→\t\thealthState := schema.MonitoringStateFailed\n 123→\t\tvar healthMetrics string\n 124→\t\tif result, ok := healthResults[node.Hostname]; ok {\n 125→\t\t\thealthState = result.State\n 126→\t\t\thealthMetrics = result.HealthMetrics\n 127→\t\t}\n 128→\t\tnodeState := schema.NodeStateDB{\n 129→\t\t\tTimeStamp: requestReceived,\n 130→\t\t\tNodeState: state,\n 131→\t\t\tCpusAllocated: node.CpusAllocated,\n 132→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 133→\t\t\tGpusAllocated: node.GpusAllocated,\n 134→\t\t\tHealthState: healthState,\n 135→\t\t\tHealthMetrics: healthMetrics,\n 136→\t\t\tJobsRunning: node.JobsRunning,\n 137→\t\t}\n 138→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 139→\t\t\tHostname: node.Hostname,\n 140→\t\t\tCluster: req.Cluster,\n 141→\t\t\tNodeState: &nodeState,\n 142→\t\t})\n 143→\t}\n 144→\n 145→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 146→\t\tcclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n 147→\t}\n 148→\n 149→\tcclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n 150→}\n 151→"}]},"uuid":"d5e076ac-aa42-47c1-8d88-ddab85375c6d","timestamp":"2026-03-16T10:59:05.015Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/node.go","content":"// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n// All rights reserved. This file is part of cc-backend.\n// Use of this source code is governed by a MIT-style\n// license that can be found in the LICENSE file.\n\npackage api\n\nimport (\n\t\"fmt\"\n\t\"maps\"\n\t\"net/http\"\n\t\"strings\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n)\n\ntype UpdateNodeStatesRequest struct {\n\tNodes []schema.NodePayload `json:\"nodes\"`\n\tCluster string `json:\"cluster\" example:\"fritz\"`\n}\n\n// metricListToNames converts a map of metric configurations to a list of metric names\nfunc metricListToNames(metricList map[string]*schema.Metric) []string {\n\tnames := make([]string, 0, len(metricList))\n\tfor name := range metricList {\n\t\tnames = append(names, name)\n\t}\n\treturn names\n}\n\n// this routine assumes that only one of them exists per node\nfunc determineState(states []string) schema.SchedulerState {\n\tfor _, state := range states {\n\t\tswitch strings.ToLower(state) {\n\t\tcase \"allocated\":\n\t\t\treturn schema.NodeStateAllocated\n\t\tcase \"reserved\":\n\t\t\treturn schema.NodeStateReserved\n\t\tcase \"idle\":\n\t\t\treturn schema.NodeStateIdle\n\t\tcase \"down\":\n\t\t\treturn schema.NodeStateDown\n\t\tcase \"mixed\":\n\t\t\treturn schema.NodeStateMixed\n\t\t}\n\t}\n\n\treturn schema.NodeStateUnknown\n}\n\n// updateNodeStates godoc\n// @summary Deliver updated Slurm node states\n// @tags Nodestates\n// @description Returns a JSON-encoded list of users.\n// @description Required query-parameter defines if all users or only users with additional special roles are returned.\n// @produce json\n// @param request body UpdateNodeStatesRequest true \"Request body containing nodes and their states\"\n// @success 200 {object} api.DefaultAPIResponse \"Success message\"\n// @failure 400 {object} api.ErrorResponse \"Bad Request\"\n// @failure 401 {object} api.ErrorResponse \"Unauthorized\"\n// @failure 403 {object} api.ErrorResponse \"Forbidden\"\n// @failure 500 {object} api.ErrorResponse \"Internal Server Error\"\n// @security ApiKeyAuth\n// @router /api/nodestats/ [post]\nfunc (api *RestAPI) updateNodeStates(rw http.ResponseWriter, r *http.Request) {\n\t// Parse request body\n\treq := UpdateNodeStatesRequest{}\n\tif err := decode(r.Body, &req); err != nil {\n\t\thandleError(fmt.Errorf(\"parsing request body failed: %w\", err),\n\t\t\thttp.StatusBadRequest, rw)\n\t\treturn\n\t}\n\trequestReceived := time.Now().Unix()\n\trepo := repository.GetNodeRepository()\n\n\tm := make(map[string][]string)\n\tmetricNames := make(map[string][]string)\n\thealthResults := make(map[string]metricstore.HealthCheckResult)\n\n\tstartMs := time.Now()\n\n\t// Step 1: Build nodeList and metricList per subcluster\n\tfor _, node := range req.Nodes {\n\t\tif sc, err := archive.GetSubClusterByNode(req.Cluster, node.Hostname); err == nil {\n\t\t\tm[sc] = append(m[sc], node.Hostname)\n\t\t}\n\t}\n\n\tfor sc := range m {\n\t\tif sc != \"\" {\n\t\t\tmetricList := archive.GetMetricConfigSubCluster(req.Cluster, sc)\n\t\t\tmetricNames[sc] = metricListToNames(metricList)\n\t\t}\n\t}\n\n\t// Step 2: Determine which metric store to query and perform health check\n\thealthRepo, err := metricdispatch.GetHealthCheckRepo(req.Cluster)\n\tif err != nil {\n\t\tcclog.Warnf(\"updateNodeStates: no metric store for cluster %s, skipping health check: %v\", req.Cluster, err)\n\t} else {\n\t\tfor sc, nl := range m {\n\t\t\tif sc != \"\" {\n\t\t\t\tif results, err := healthRepo.HealthCheck(req.Cluster, nl, metricNames[sc]); err == nil {\n\t\t\t\t\tmaps.Copy(healthResults, results)\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tcclog.Debugf(\"Timer updateNodeStates, MemStore HealthCheck: %s\", time.Since(startMs))\n\tstartDB := time.Now()\n\n\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n\tfor _, node := range req.Nodes {\n\t\tstate := determineState(node.States)\n\t\thealthState := schema.MonitoringStateFailed\n\t\tvar healthMetrics string\n\t\tif result, ok := healthResults[node.Hostname]; ok {\n\t\t\thealthState = result.State\n\t\t\thealthMetrics = result.HealthMetrics\n\t\t}\n\t\tnodeState := schema.NodeStateDB{\n\t\t\tTimeStamp: requestReceived,\n\t\t\tNodeState: state,\n\t\t\tCpusAllocated: node.CpusAllocated,\n\t\t\tMemoryAllocated: node.MemoryAllocated,\n\t\t\tGpusAllocated: node.GpusAllocated,\n\t\t\tHealthState: healthState,\n\t\t\tHealthMetrics: healthMetrics,\n\t\t\tJobsRunning: node.JobsRunning,\n\t\t}\n\t\tupdates = append(updates, repository.NodeStateUpdate{\n\t\t\tHostname: node.Hostname,\n\t\t\tCluster: req.Cluster,\n\t\t\tNodeState: &nodeState,\n\t\t})\n\t}\n\n\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n\t\tcclog.Errorf(\"updateNodeStates: batch update for cluster %s failed: %v\", req.Cluster, err)\n\t}\n\n\tcclog.Debugf(\"Timer updateNodeStates, SQLite Inserts: %s\", time.Since(startDB))\n}\n","numLines":151,"startLine":1,"totalLines":151}},"sourceToolAssistantUUID":"b1e8cb87-5b65-4326-804d-1ab752119f3c","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"d5e076ac-aa42-47c1-8d88-ddab85375c6d","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01KuJpDeS11wMEEn8Vvu1gMa","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":6660,"cache_read_input_tokens":24876,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":6660},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eAwt8VEcXNnfJKHyro","type":"assistant","uuid":"d4a273da-eaa6-4025-bcb4-63fb8e38a6ec","timestamp":"2026-03-16T10:59:11.046Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"d4a273da-eaa6-4025-bcb4-63fb8e38a6ec","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01KuJpDeS11wMEEn8Vvu1gMa","type":"message","role":"assistant","content":[{"type":"text","text":"Let me check the NATS file imports to understand what's already available."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":6660,"cache_read_input_tokens":24876,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":6660},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eAwt8VEcXNnfJKHyro","type":"assistant","uuid":"20f2fc04-0975-449d-8cd4-3c803e84cae5","timestamp":"2026-03-16T10:59:11.510Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"20f2fc04-0975-449d-8cd4-3c803e84cae5","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01KuJpDeS11wMEEn8Vvu1gMa","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_011ZLAPntFdNjpn9qptw6Fdb","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go","limit":30},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":6660,"cache_read_input_tokens":24876,"output_tokens":285,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":6660,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZ6eAwt8VEcXNnfJKHyro","type":"assistant","uuid":"a4c80774-b820-47c2-9683-14fe48de24d1","timestamp":"2026-03-16T10:59:12.014Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"a4c80774-b820-47c2-9683-14fe48de24d1","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_011ZLAPntFdNjpn9qptw6Fdb","toolUseID":"toolu_011ZLAPntFdNjpn9qptw6Fdb","timestamp":"2026-03-16T10:59:12.039Z","uuid":"5272b44b-9440-4ea5-8770-19fd71876020","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"a4c80774-b820-47c2-9683-14fe48de24d1","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011ZLAPntFdNjpn9qptw6Fdb","type":"tool_result","content":" 1→// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n 2→// All rights reserved. This file is part of cc-backend.\n 3→// Use of this source code is governed by a MIT-style\n 4→// license that can be found in the LICENSE file.\n 5→\n 6→package api\n 7→\n 8→import (\n 9→\t\"database/sql\"\n 10→\t\"encoding/json\"\n 11→\t\"strings\"\n 12→\t\"sync\"\n 13→\t\"time\"\n 14→\n 15→\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n 16→\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n 17→\t\"github.com/ClusterCockpit/cc-backend/internal/importer\"\n 18→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 19→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 20→\tlp \"github.com/ClusterCockpit/cc-lib/v2/ccMessage\"\n 21→\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n 22→\t\"github.com/ClusterCockpit/cc-lib/v2/receivers\"\n 23→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 24→\tinflux \"github.com/ClusterCockpit/cc-line-protocol/v2/lineprotocol\"\n 25→)\n 26→\n 27→// natsMessage wraps a raw NATS message with its subject for channel-based processing.\n 28→type natsMessage struct {\n 29→\tsubject string\n 30→\tdata []byte"}]},"uuid":"20d06b92-8be9-4f9e-a04d-0509761ec92c","timestamp":"2026-03-16T10:59:12.039Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go","content":"// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n// All rights reserved. This file is part of cc-backend.\n// Use of this source code is governed by a MIT-style\n// license that can be found in the LICENSE file.\n\npackage api\n\nimport (\n\t\"database/sql\"\n\t\"encoding/json\"\n\t\"strings\"\n\t\"sync\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/importer\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\tlp \"github.com/ClusterCockpit/cc-lib/v2/ccMessage\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/receivers\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\tinflux \"github.com/ClusterCockpit/cc-line-protocol/v2/lineprotocol\"\n)\n\n// natsMessage wraps a raw NATS message with its subject for channel-based processing.\ntype natsMessage struct {\n\tsubject string\n\tdata []byte","numLines":30,"startLine":1,"totalLines":459}},"sourceToolAssistantUUID":"a4c80774-b820-47c2-9683-14fe48de24d1","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"20d06b92-8be9-4f9e-a04d-0509761ec92c","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01B6d6pV6XF6gGee6TfGnuSk","type":"message","role":"assistant","content":[{"type":"text","text":"Now I have all the information needed. Let me write the plan."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":757,"cache_read_input_tokens":31536,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":757},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eBTsgHG4XbLQgwyqio","type":"assistant","uuid":"2787f86f-04d1-4979-bfa6-929ff6f76e1c","timestamp":"2026-03-16T10:59:16.558Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"2787f86f-04d1-4979-bfa6-929ff6f76e1c","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01B6d6pV6XF6gGee6TfGnuSk","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_012hyVeBU6VGyyqVoZjCcTr9","name":"Write","input":{"file_path":"/Users/jan/.claude/plans/magical-sauteeing-gosling.md","content":"# Plan: Add Health Check to NATS Node State Handler\n\n## Context\n\nThe NATS `processNodestateEvent` handler in `internal/api/nats.go` is missing the health check logic that the REST `updateNodeStates` handler in `internal/api/node.go` has. Currently, the NATS handler hardcodes `HealthState: schema.MonitoringStateFull` and leaves `HealthMetrics` empty, while the REST handler:\n\n1. Groups nodes by subcluster\n2. Fetches metric configurations per subcluster\n3. Runs health checks against the metric store\n4. Uses health check results per node (defaulting to `MonitoringStateFailed` if unavailable)\n\nThis means node state updates via NATS always report full health regardless of actual metric availability, producing inconsistent data compared to the REST path.\n\n## Changes\n\n### File: `internal/api/nats.go`\n\n**1. Add missing imports:**\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`\n\n**2. Rewrite `processNodestateEvent` (lines 382-425)** to match the REST handler logic:\n\n- After parsing the request, add the same health check flow from `updateNodeStates` (node.go lines 82-114):\n - Build `map[subcluster][]hostname` using `archive.GetSubClusterByNode()`\n - Build `metricNames` per subcluster using `archive.GetMetricConfigSubCluster()` + `metricListToNames()`\n - Get health check repo via `metricdispatch.GetHealthCheckRepo(req.Cluster)`\n - Run `healthRepo.HealthCheck()` per subcluster, merge results\n- When building `NodeStateDB`, default `HealthState` to `MonitoringStateFailed` (not `MonitoringStateFull`) and use health check results when available — identical to REST handler (node.go lines 120-143)\n\n### Reused existing functions (no new code needed):\n- `determineState()` — already shared (`internal/api/node.go:38`)\n- `metricListToNames()` — already shared (`internal/api/node.go:29`)\n- `archive.GetSubClusterByNode()` — from `pkg/archive`\n- `archive.GetMetricConfigSubCluster()` — from `pkg/archive`\n- `metricdispatch.GetHealthCheckRepo()` — from `internal/metricdispatch`\n- `repo.BatchUpdateNodeStates()` — already used\n\n## Verification\n\n1. `go build ./...` — ensure it compiles\n2. `go test ./internal/api/...` — run existing NATS tests\n3. Review that `TestNatsHandleNodeState` and `TestNatsHandleNodeStateEdgeCases` still pass (they don't assert on HealthState values, so should be fine)\n4. Manual comparison: the node-building loop in NATS should now be identical to REST (node.go lines 119-143)\n"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":757,"cache_read_input_tokens":31536,"output_tokens":872,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":757,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZ6eBTsgHG4XbLQgwyqio","type":"assistant","uuid":"b2a9d4bf-2917-4f9e-8a17-22db758428e3","timestamp":"2026-03-16T10:59:30.226Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"b2a9d4bf-2917-4f9e-8a17-22db758428e3","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Write","command":"callback"},"parentToolUseID":"toolu_012hyVeBU6VGyyqVoZjCcTr9","toolUseID":"toolu_012hyVeBU6VGyyqVoZjCcTr9","timestamp":"2026-03-16T10:59:30.234Z","uuid":"dc67e7db-0bb6-4032-b6a4-c53d3ead3212","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"b2a9d4bf-2917-4f9e-8a17-22db758428e3","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_012hyVeBU6VGyyqVoZjCcTr9","type":"tool_result","content":"File created successfully at: /Users/jan/.claude/plans/magical-sauteeing-gosling.md"}]},"uuid":"4ad28045-c725-4b8d-90f7-2c16310fee68","timestamp":"2026-03-16T10:59:30.233Z","toolUseResult":{"type":"create","filePath":"/Users/jan/.claude/plans/magical-sauteeing-gosling.md","content":"# Plan: Add Health Check to NATS Node State Handler\n\n## Context\n\nThe NATS `processNodestateEvent` handler in `internal/api/nats.go` is missing the health check logic that the REST `updateNodeStates` handler in `internal/api/node.go` has. Currently, the NATS handler hardcodes `HealthState: schema.MonitoringStateFull` and leaves `HealthMetrics` empty, while the REST handler:\n\n1. Groups nodes by subcluster\n2. Fetches metric configurations per subcluster\n3. Runs health checks against the metric store\n4. Uses health check results per node (defaulting to `MonitoringStateFailed` if unavailable)\n\nThis means node state updates via NATS always report full health regardless of actual metric availability, producing inconsistent data compared to the REST path.\n\n## Changes\n\n### File: `internal/api/nats.go`\n\n**1. Add missing imports:**\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`\n\n**2. Rewrite `processNodestateEvent` (lines 382-425)** to match the REST handler logic:\n\n- After parsing the request, add the same health check flow from `updateNodeStates` (node.go lines 82-114):\n - Build `map[subcluster][]hostname` using `archive.GetSubClusterByNode()`\n - Build `metricNames` per subcluster using `archive.GetMetricConfigSubCluster()` + `metricListToNames()`\n - Get health check repo via `metricdispatch.GetHealthCheckRepo(req.Cluster)`\n - Run `healthRepo.HealthCheck()` per subcluster, merge results\n- When building `NodeStateDB`, default `HealthState` to `MonitoringStateFailed` (not `MonitoringStateFull`) and use health check results when available — identical to REST handler (node.go lines 120-143)\n\n### Reused existing functions (no new code needed):\n- `determineState()` — already shared (`internal/api/node.go:38`)\n- `metricListToNames()` — already shared (`internal/api/node.go:29`)\n- `archive.GetSubClusterByNode()` — from `pkg/archive`\n- `archive.GetMetricConfigSubCluster()` — from `pkg/archive`\n- `metricdispatch.GetHealthCheckRepo()` — from `internal/metricdispatch`\n- `repo.BatchUpdateNodeStates()` — already used\n\n## Verification\n\n1. `go build ./...` — ensure it compiles\n2. `go test ./internal/api/...` — run existing NATS tests\n3. Review that `TestNatsHandleNodeState` and `TestNatsHandleNodeStateEdgeCases` still pass (they don't assert on HealthState values, so should be fine)\n4. Manual comparison: the node-building loop in NATS should now be identical to REST (node.go lines 119-143)\n","structuredPatch":[],"originalFile":null},"sourceToolAssistantUUID":"b2a9d4bf-2917-4f9e-8a17-22db758428e3","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"4fd516b1-fc56-44c3-a303-1e68a44a40e8","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_017PFk7MSuBLg9VYXjYmZUcR","type":"message","role":"assistant","content":[{"type":"text","text":"\n\nLet me re-read the existing plan and the current state of the files to see if anything has changed."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":1179,"cache_read_input_tokens":33202,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1179},"output_tokens":2,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eD9h6Ln1j5ZRLBa7gc","type":"assistant","uuid":"fcb10a37-9dc8-4aa6-9d15-bd4c110e18a1","timestamp":"2026-03-16T10:59:39.070Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"64cd6bce-9b14-4137-9411-13cd341921a5","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_014hY5Hw9jMUHZTi8mCnYFav","type":"tool_result","content":" 1→# Plan: Add Health Check to NATS Node State Handler\n 2→\n 3→## Context\n 4→\n 5→The NATS `processNodestateEvent` handler in `internal/api/nats.go` is missing the health check logic that the REST `updateNodeStates` handler in `internal/api/node.go` has. Currently, the NATS handler hardcodes `HealthState: schema.MonitoringStateFull` and leaves `HealthMetrics` empty, while the REST handler:\n 6→\n 7→1. Groups nodes by subcluster\n 8→2. Fetches metric configurations per subcluster\n 9→3. Runs health checks against the metric store\n 10→4. Uses health check results per node (defaulting to `MonitoringStateFailed` if unavailable)\n 11→\n 12→This means node state updates via NATS always report full health regardless of actual metric availability, producing inconsistent data compared to the REST path.\n 13→\n 14→## Changes\n 15→\n 16→### File: `internal/api/nats.go`\n 17→\n 18→**1. Add missing imports:**\n 19→- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n 20→- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n 21→- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`\n 22→\n 23→**2. Rewrite `processNodestateEvent` (lines 382-425)** to match the REST handler logic:\n 24→\n 25→- After parsing the request, add the same health check flow from `updateNodeStates` (node.go lines 82-114):\n 26→ - Build `map[subcluster][]hostname` using `archive.GetSubClusterByNode()`\n 27→ - Build `metricNames` per subcluster using `archive.GetMetricConfigSubCluster()` + `metricListToNames()`\n 28→ - Get health check repo via `metricdispatch.GetHealthCheckRepo(req.Cluster)`\n 29→ - Run `healthRepo.HealthCheck()` per subcluster, merge results\n 30→- When building `NodeStateDB`, default `HealthState` to `MonitoringStateFailed` (not `MonitoringStateFull`) and use health check results when available — identical to REST handler (node.go lines 120-143)\n 31→\n 32→### Reused existing functions (no new code needed):\n 33→- `determineState()` — already shared (`internal/api/node.go:38`)\n 34→- `metricListToNames()` — already shared (`internal/api/node.go:29`)\n 35→- `archive.GetSubClusterByNode()` — from `pkg/archive`\n 36→- `archive.GetMetricConfigSubCluster()` — from `pkg/archive`\n 37→- `metricdispatch.GetHealthCheckRepo()` — from `internal/metricdispatch`\n 38→- `repo.BatchUpdateNodeStates()` — already used\n 39→\n 40→## Verification\n 41→\n 42→1. `go build ./...` — ensure it compiles\n 43→2. `go test ./internal/api/...` — run existing NATS tests\n 44→3. Review that `TestNatsHandleNodeState` and `TestNatsHandleNodeStateEdgeCases` still pass (they don't assert on HealthState values, so should be fine)\n 45→4. Manual comparison: the node-building loop in NATS should now be identical to REST (node.go lines 119-143)\n 46→"}]},"uuid":"4d83f216-69f0-463a-9b7d-cee61ef9c373","timestamp":"2026-03-16T10:59:39.563Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/.claude/plans/magical-sauteeing-gosling.md","content":"# Plan: Add Health Check to NATS Node State Handler\n\n## Context\n\nThe NATS `processNodestateEvent` handler in `internal/api/nats.go` is missing the health check logic that the REST `updateNodeStates` handler in `internal/api/node.go` has. Currently, the NATS handler hardcodes `HealthState: schema.MonitoringStateFull` and leaves `HealthMetrics` empty, while the REST handler:\n\n1. Groups nodes by subcluster\n2. Fetches metric configurations per subcluster\n3. Runs health checks against the metric store\n4. Uses health check results per node (defaulting to `MonitoringStateFailed` if unavailable)\n\nThis means node state updates via NATS always report full health regardless of actual metric availability, producing inconsistent data compared to the REST path.\n\n## Changes\n\n### File: `internal/api/nats.go`\n\n**1. Add missing imports:**\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`\n\n**2. Rewrite `processNodestateEvent` (lines 382-425)** to match the REST handler logic:\n\n- After parsing the request, add the same health check flow from `updateNodeStates` (node.go lines 82-114):\n - Build `map[subcluster][]hostname` using `archive.GetSubClusterByNode()`\n - Build `metricNames` per subcluster using `archive.GetMetricConfigSubCluster()` + `metricListToNames()`\n - Get health check repo via `metricdispatch.GetHealthCheckRepo(req.Cluster)`\n - Run `healthRepo.HealthCheck()` per subcluster, merge results\n- When building `NodeStateDB`, default `HealthState` to `MonitoringStateFailed` (not `MonitoringStateFull`) and use health check results when available — identical to REST handler (node.go lines 120-143)\n\n### Reused existing functions (no new code needed):\n- `determineState()` — already shared (`internal/api/node.go:38`)\n- `metricListToNames()` — already shared (`internal/api/node.go:29`)\n- `archive.GetSubClusterByNode()` — from `pkg/archive`\n- `archive.GetMetricConfigSubCluster()` — from `pkg/archive`\n- `metricdispatch.GetHealthCheckRepo()` — from `internal/metricdispatch`\n- `repo.BatchUpdateNodeStates()` — already used\n\n## Verification\n\n1. `go build ./...` — ensure it compiles\n2. `go test ./internal/api/...` — run existing NATS tests\n3. Review that `TestNatsHandleNodeState` and `TestNatsHandleNodeStateEdgeCases` still pass (they don't assert on HealthState values, so should be fine)\n4. Manual comparison: the node-building loop in NATS should now be identical to REST (node.go lines 119-143)\n","numLines":46,"startLine":1,"totalLines":46}},"sourceToolAssistantUUID":"64cd6bce-9b14-4137-9411-13cd341921a5","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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{"parentUuid":"1f800444-d7fe-4855-b236-13bd70c04804","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013tyLAEtparS4pj63xuP1FR","type":"tool_result","content":" 375→\t}\n 376→\n 377→\tarchiver.TriggerArchiving(job)\n 378→}\n 379→\n 380→// processNodestateEvent extracts and processes node state data from the InfluxDB message.\n 381→// Updates node states in the repository for all nodes in the payload.\n 382→func (api *NatsAPI) processNodestateEvent(msg lp.CCMessage) {\n 383→\tv, ok := msg.GetEventValue()\n 384→\tif !ok {\n 385→\t\tcclog.Errorf(\"Nodestate event is missing event field with JSON payload\")\n 386→\t\treturn\n 387→\t}\n 388→\n 389→\tvar req UpdateNodeStatesRequest\n 390→\n 391→\tdec := json.NewDecoder(strings.NewReader(v))\n 392→\tdec.DisallowUnknownFields()\n 393→\tif err := dec.Decode(&req); err != nil {\n 394→\t\tcclog.Errorf(\"NATS nodestate: parsing request failed: %v\", err)\n 395→\t\treturn\n 396→\t}\n 397→\n 398→\trepo := repository.GetNodeRepository()\n 399→\trequestReceived := time.Now().Unix()\n 400→\n 401→\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n 402→\tfor _, node := range req.Nodes {\n 403→\t\tstate := determineState(node.States)\n 404→\t\tnodeState := schema.NodeStateDB{\n 405→\t\t\tTimeStamp: requestReceived,\n 406→\t\t\tNodeState: state,\n 407→\t\t\tCpusAllocated: node.CpusAllocated,\n 408→\t\t\tMemoryAllocated: node.MemoryAllocated,\n 409→\t\t\tGpusAllocated: node.GpusAllocated,\n 410→\t\t\tHealthState: schema.MonitoringStateFull,\n 411→\t\t\tJobsRunning: node.JobsRunning,\n 412→\t\t}\n 413→\t\tupdates = append(updates, repository.NodeStateUpdate{\n 414→\t\t\tHostname: node.Hostname,\n 415→\t\t\tCluster: req.Cluster,\n 416→\t\t\tNodeState: &nodeState,\n 417→\t\t})\n 418→\t}\n 419→\n 420→\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n 421→\t\tcclog.Errorf(\"NATS nodestate: batch update for cluster %s failed: %v\", req.Cluster, err)\n 422→\t}\n 423→\n 424→\tcclog.Debugf(\"NATS nodestate: updated %d node states for cluster %s\", len(req.Nodes), req.Cluster)\n 425→}\n 426→\n 427→// handleNodeState processes node state update messages received via NATS using InfluxDB line protocol.\n 428→// The message must be in line protocol format with measurement=\"nodestate\" and include:\n 429→// - field \"event\" containing JSON payload (UpdateNodeStatesRequest)\n 430→//\n 431→// Example: nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[...]}\" 1234567890000000000\n 432→func (api *NatsAPI) handleNodeState(subject string, data []byte) {\n 433→\tif len(data) == 0 {\n 434→\t\tcclog.Warnf(\"NATS %s: received empty message\", subject)\n 435→\t\treturn\n 436→\t}\n 437→\n 438→\td := influx.NewDecoderWithBytes(data)\n 439→\n 440→\tfor d.Next() {\n 441→\t\tm, err := receivers.DecodeInfluxMessage(d)\n 442→\t\tif err != nil {\n 443→\t\t\tcclog.Errorf(\"NATS %s: failed to decode InfluxDB line protocol message: %v\", subject, err)\n 444→\t\t\treturn\n 445→\t\t}\n 446→\n 447→\t\tif !m.IsEvent() {\n 448→\t\t\tcclog.Warnf(\"NATS %s: received non-event message, skipping\", subject)\n 449→\t\t\tcontinue\n 450→\t\t}\n 451→\n 452→\t\tif m.Name() == \"nodestate\" {\n 453→\t\t\tapi.processNodestateEvent(m)\n 454→\t\t} else {\n 455→\t\t\tcclog.Warnf(\"NATS %s: unexpected measurement name '%s', expected 'nodestate'\", subject, m.Name())\n 456→\t\t}\n 457→\t}\n 458→}\n 459→"}]},"uuid":"54f7bd51-3034-4a63-b9c0-d0c07ebd8e27","timestamp":"2026-03-16T10:59:40.204Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/api/nats.go","content":"\t}\n\n\tarchiver.TriggerArchiving(job)\n}\n\n// processNodestateEvent extracts and processes node state data from the InfluxDB message.\n// Updates node states in the repository for all nodes in the payload.\nfunc (api *NatsAPI) processNodestateEvent(msg lp.CCMessage) {\n\tv, ok := msg.GetEventValue()\n\tif !ok {\n\t\tcclog.Errorf(\"Nodestate event is missing event field with JSON payload\")\n\t\treturn\n\t}\n\n\tvar req UpdateNodeStatesRequest\n\n\tdec := json.NewDecoder(strings.NewReader(v))\n\tdec.DisallowUnknownFields()\n\tif err := dec.Decode(&req); err != nil {\n\t\tcclog.Errorf(\"NATS nodestate: parsing request failed: %v\", err)\n\t\treturn\n\t}\n\n\trepo := repository.GetNodeRepository()\n\trequestReceived := time.Now().Unix()\n\n\tupdates := make([]repository.NodeStateUpdate, 0, len(req.Nodes))\n\tfor _, node := range req.Nodes {\n\t\tstate := determineState(node.States)\n\t\tnodeState := schema.NodeStateDB{\n\t\t\tTimeStamp: requestReceived,\n\t\t\tNodeState: state,\n\t\t\tCpusAllocated: node.CpusAllocated,\n\t\t\tMemoryAllocated: node.MemoryAllocated,\n\t\t\tGpusAllocated: node.GpusAllocated,\n\t\t\tHealthState: schema.MonitoringStateFull,\n\t\t\tJobsRunning: node.JobsRunning,\n\t\t}\n\t\tupdates = append(updates, repository.NodeStateUpdate{\n\t\t\tHostname: node.Hostname,\n\t\t\tCluster: req.Cluster,\n\t\t\tNodeState: &nodeState,\n\t\t})\n\t}\n\n\tif err := repo.BatchUpdateNodeStates(updates); err != nil {\n\t\tcclog.Errorf(\"NATS nodestate: batch update for cluster %s failed: %v\", req.Cluster, err)\n\t}\n\n\tcclog.Debugf(\"NATS nodestate: updated %d node states for cluster %s\", len(req.Nodes), req.Cluster)\n}\n\n// handleNodeState processes node state update messages received via NATS using InfluxDB line protocol.\n// The message must be in line protocol format with measurement=\"nodestate\" and include:\n// - field \"event\" containing JSON payload (UpdateNodeStatesRequest)\n//\n// Example: nodestate event=\"{\\\"cluster\\\":\\\"testcluster\\\",\\\"nodes\\\":[...]}\" 1234567890000000000\nfunc (api *NatsAPI) handleNodeState(subject string, data []byte) {\n\tif len(data) == 0 {\n\t\tcclog.Warnf(\"NATS %s: received empty message\", subject)\n\t\treturn\n\t}\n\n\td := influx.NewDecoderWithBytes(data)\n\n\tfor d.Next() {\n\t\tm, err := receivers.DecodeInfluxMessage(d)\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"NATS %s: failed to decode InfluxDB line protocol message: %v\", subject, err)\n\t\t\treturn\n\t\t}\n\n\t\tif !m.IsEvent() {\n\t\t\tcclog.Warnf(\"NATS %s: received non-event message, skipping\", subject)\n\t\t\tcontinue\n\t\t}\n\n\t\tif m.Name() == \"nodestate\" {\n\t\t\tapi.processNodestateEvent(m)\n\t\t} else {\n\t\t\tcclog.Warnf(\"NATS %s: unexpected measurement name '%s', expected 'nodestate'\", subject, m.Name())\n\t\t}\n\t}\n}\n","numLines":85,"startLine":375,"totalLines":459}},"sourceToolAssistantUUID":"1f800444-d7fe-4855-b236-13bd70c04804","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"54f7bd51-3034-4a63-b9c0-d0c07ebd8e27","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_016HK72E23wtY2GkjXA8qnzi","type":"message","role":"assistant","content":[{"type":"text","text":"The existing plan is still the same task and the code hasn't changed. The plan looks correct and complete. Let me also add the `\"maps\"` import which is needed for `maps.Copy`, then finalize."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":2338,"cache_read_input_tokens":34381,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2338},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZ6eDYXn7hJMdPwboQKSr","type":"assistant","uuid":"95914a97-fda0-478f-a685-b06dc91a2a49","timestamp":"2026-03-16T10:59:46.266Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"95914a97-fda0-478f-a685-b06dc91a2a49","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_016HK72E23wtY2GkjXA8qnzi","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01URgnB9MnM8zGyJNade5rqx","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/.claude/plans/magical-sauteeing-gosling.md","old_string":"**1. Add missing imports:**\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`","new_string":"**1. Add missing imports:**\n- `\"maps\"`\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":2338,"cache_read_input_tokens":34381,"output_tokens":319,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":2338,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZ6eDYXn7hJMdPwboQKSr","type":"assistant","uuid":"1a48fe6a-2a98-42e1-81c5-67666cda4cbd","timestamp":"2026-03-16T10:59:48.326Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"1a48fe6a-2a98-42e1-81c5-67666cda4cbd","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"callback"},"parentToolUseID":"toolu_01URgnB9MnM8zGyJNade5rqx","toolUseID":"toolu_01URgnB9MnM8zGyJNade5rqx","timestamp":"2026-03-16T10:59:48.344Z","uuid":"4a680258-a331-418f-859a-42d2bb2fc7f9","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"1a48fe6a-2a98-42e1-81c5-67666cda4cbd","isSidechain":false,"promptId":"c2bc230a-67ed-4f5e-b42f-f832728effa2","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01URgnB9MnM8zGyJNade5rqx","type":"tool_result","content":"The file /Users/jan/.claude/plans/magical-sauteeing-gosling.md has been updated successfully."}]},"uuid":"d7293457-6fb7-4654-a9ee-1c6912d98b5b","timestamp":"2026-03-16T10:59:48.344Z","toolUseResult":{"filePath":"/Users/jan/.claude/plans/magical-sauteeing-gosling.md","oldString":"**1. Add missing imports:**\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`","newString":"**1. Add missing imports:**\n- `\"maps\"`\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`","originalFile":"# Plan: Add Health Check to NATS Node State Handler\n\n## Context\n\nThe NATS `processNodestateEvent` handler in `internal/api/nats.go` is missing the health check logic that the REST `updateNodeStates` handler in `internal/api/node.go` has. Currently, the NATS handler hardcodes `HealthState: schema.MonitoringStateFull` and leaves `HealthMetrics` empty, while the REST handler:\n\n1. Groups nodes by subcluster\n2. Fetches metric configurations per subcluster\n3. Runs health checks against the metric store\n4. Uses health check results per node (defaulting to `MonitoringStateFailed` if unavailable)\n\nThis means node state updates via NATS always report full health regardless of actual metric availability, producing inconsistent data compared to the REST path.\n\n## Changes\n\n### File: `internal/api/nats.go`\n\n**1. Add missing imports:**\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`\n\n**2. Rewrite `processNodestateEvent` (lines 382-425)** to match the REST handler logic:\n\n- After parsing the request, add the same health check flow from `updateNodeStates` (node.go lines 82-114):\n - Build `map[subcluster][]hostname` using `archive.GetSubClusterByNode()`\n - Build `metricNames` per subcluster using `archive.GetMetricConfigSubCluster()` + `metricListToNames()`\n - Get health check repo via `metricdispatch.GetHealthCheckRepo(req.Cluster)`\n - Run `healthRepo.HealthCheck()` per subcluster, merge results\n- When building `NodeStateDB`, default `HealthState` to `MonitoringStateFailed` (not `MonitoringStateFull`) and use health check results when available — identical to REST handler (node.go lines 120-143)\n\n### Reused existing functions (no new code needed):\n- `determineState()` — already shared (`internal/api/node.go:38`)\n- `metricListToNames()` — already shared (`internal/api/node.go:29`)\n- `archive.GetSubClusterByNode()` — from `pkg/archive`\n- `archive.GetMetricConfigSubCluster()` — from `pkg/archive`\n- `metricdispatch.GetHealthCheckRepo()` — from `internal/metricdispatch`\n- `repo.BatchUpdateNodeStates()` — already used\n\n## Verification\n\n1. `go build ./...` — ensure it compiles\n2. `go test ./internal/api/...` — run existing NATS tests\n3. Review that `TestNatsHandleNodeState` and `TestNatsHandleNodeStateEdgeCases` still pass (they don't assert on HealthState values, so should be fine)\n4. Manual comparison: the node-building loop in NATS should now be identical to REST (node.go lines 119-143)\n","structuredPatch":[{"oldStart":16,"oldLines":6,"newStart":16,"newLines":7,"lines":[" ### File: `internal/api/nats.go`"," "," **1. Add missing imports:**","+- `\"maps\"`"," - `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`"," - `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`"," - `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"1a48fe6a-2a98-42e1-81c5-67666cda4cbd","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
{"parentUuid":"d7293457-6fb7-4654-a9ee-1c6912d98b5b","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_011UG8LgohkG6dR5hds3Pm6L","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_018VwHVqHr4dsSor9y7QWEWP","name":"ExitPlanMode","input":{"plan":"# Plan: Add Health Check to NATS Node State Handler\n\n## Context\n\nThe NATS `processNodestateEvent` handler in `internal/api/nats.go` is missing the health check logic that the REST `updateNodeStates` handler in `internal/api/node.go` has. Currently, the NATS handler hardcodes `HealthState: schema.MonitoringStateFull` and leaves `HealthMetrics` empty, while the REST handler:\n\n1. Groups nodes by subcluster\n2. Fetches metric configurations per subcluster\n3. Runs health checks against the metric store\n4. Uses health check results per node (defaulting to `MonitoringStateFailed` if unavailable)\n\nThis means node state updates via NATS always report full health regardless of actual metric availability, producing inconsistent data compared to the REST path.\n\n## Changes\n\n### File: `internal/api/nats.go`\n\n**1. Add missing imports:**\n- `\"maps\"`\n- `\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/archive\"`\n- `\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"`\n\n**2. Rewrite `processNodestateEvent` (lines 382-425)** to match the REST handler logic:\n\n- After parsing the request, add the same health check flow from `updateNodeStates` (node.go lines 82-114):\n - Build `map[subcluster][]hostname` using `archive.GetSubClusterByNode()`\n - Build `metricNames` per subcluster using `archive.GetMetricConfigSubCluster()` + `metricListToNames()`\n - Get health check repo via `metricdispatch.GetHealthCheckRepo(req.Cluster)`\n - Run `healthRepo.HealthCheck()` per subcluster, merge results\n- When building `NodeStateDB`, default `HealthState` to `MonitoringStateFailed` (not `MonitoringStateFull`) and use health check results when available — identical to REST handler (node.go lines 120-143)\n\n### Reused existing functions (no new code needed):\n- `determineState()` — already shared (`internal/api/node.go:38`)\n- `metricListToNames()` — already shared (`internal/api/node.go:29`)\n- `archive.GetSubClusterByNode()` — from `pkg/archive`\n- `archive.GetMetricConfigSubCluster()` — from `pkg/archive`\n- `metricdispatch.GetHealthCheckRepo()` — from `internal/metricdispatch`\n- `repo.BatchUpdateNodeStates()` — already used\n\n## Verification\n\n1. `go build ./...` — ensure it compiles\n2. `go test ./internal/api/...` — run existing NATS tests\n3. Review that `TestNatsHandleNodeState` and `TestNatsHandleNodeStateEdgeCases` still pass (they don't assert on HealthState values, so should be fine)\n4. Manual comparison: the node-building loop in NATS should now be identical to REST (node.go lines 119-143)\n","planFilePath":"/Users/jan/.claude/plans/magical-sauteeing-gosling.md"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":472,"cache_read_input_tokens":36719,"output_tokens":38,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":472,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZ6eE96A5vmmYgKiCsBkH","type":"assistant","uuid":"fce9845e-1048-43bc-a68d-03369a856cf0","timestamp":"2026-03-16T10:59:52.053Z","userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"aac4ddda-7b73-4e7a-ab7b-75bbf24e26b3","version":"2.1.76","gitBranch":"hotfix","slug":"magical-sauteeing-gosling"}
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