cc-backend/b6/8850c6fcff/0/full.jsonl

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{"parentUuid":null,"isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"progress","data":{"type":"hook_progress","hookEvent":"SessionStart","hookName":"SessionStart:clear","command":"entire hooks claude-code session-start"},"parentToolUseID":"50bda5e0-bc70-44ee-a364-55addc23917d","toolUseID":"50bda5e0-bc70-44ee-a364-55addc23917d","timestamp":"2026-03-10T05:00:09.579Z","uuid":"13874505-b339-43e9-8bba-3cce088272b5"}
{"parentUuid":"13874505-b339-43e9-8bba-3cce088272b5","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"user","message":{"role":"user","content":"Implement the following plan:\n\n# Plan: Trim Float Precision in JobClass Hint Messages\n\n## Context\nThe `JobClassTagger` generates hint messages via Go `text/template` rendering. Template variables like `{{.cpu_load.avg}}`, `{{.mem_bw_pct}}`, `{{.memory_usage_pct}}` are float64 values that render with full precision (e.g., `12.345678901234`), making messages hard to read. We need to automatically round floats to a reasonable precision before template rendering.\n\n## Approach\nAdd a helper function that recursively walks the env map and rounds all `float64` values to 2 decimal places. Create a rounded copy of the env for template execution only — rule evaluation continues to use full-precision values.\n\n## File to Modify\n- `internal/tagger/classifyJob.go`\n\n## Changes\n\n### 1. Add a `roundEnv` helper function\nRecursively walks a `map[string]any`, and for any `float64` value, rounds it to 2 decimal places. For nested `map[string]any` or `map[string]float64` values, recurse. Returns a new map (does not mutate the original).\n\n```go\nfunc roundEnv(env map[string]any) map[string]any {\n    rounded := make(map[string]any, len(env))\n    for k, v := range env {\n        switch val := v.(type) {\n        case float64:\n            rounded[k] = math.Round(val*100) / 100\n        case map[string]any:\n            rounded[k] = roundEnv(val)\n        case map[string]float64:\n            rm := make(map[string]float64, len(val))\n            for mk, mv := range val {\n                rm[mk] = math.Round(mv*100) / 100\n            }\n            rounded[k] = rm\n        default:\n            rounded[k] = v\n        }\n    }\n    return rounded\n}\n```\n\n### 2. Use rounded env for template execution in `Match()`\nAt line ~411, before `ri.hint.Execute(&msg, env)`, pass `roundEnv(env)` instead:\n\n```go\nif err := ri.hint.Execute(&msg, roundEnv(env)); err != nil {\n```\n\n### 3. Add `\"math\"` to imports\n\n## Verification\n- Run `go build ./...` to verify compilation\n- Run `go test ./internal/tagger/...` to verify existing tests pass\n- The test at line 88 uses `\"hint\": \"High FLOPS: {{.avg_flops}}\"` with a computed variable — this will exercise the rounding path\n\n\nIf you need specific details from before exiting plan mode (like exact code snippets, error messages, or content you generated), read the full transcript at: /Users/jan/.claude/projects/-Users-jan-prg-ClusterCockpit-cc-backend/71261f70-ba9c-4de4-9871-5921e6a371a1.jsonl"},"uuid":"84d926c5-84cd-4199-a1cb-52b035dcf5cf","timestamp":"2026-03-10T05:00:09.373Z","planContent":"# Plan: Trim Float Precision in JobClass Hint Messages\n\n## Context\nThe `JobClassTagger` generates hint messages via Go `text/template` rendering. Template variables like `{{.cpu_load.avg}}`, `{{.mem_bw_pct}}`, `{{.memory_usage_pct}}` are float64 values that render with full precision (e.g., `12.345678901234`), making messages hard to read. We need to automatically round floats to a reasonable precision before template rendering.\n\n## Approach\nAdd a helper function that recursively walks the env map and rounds all `float64` values to 2 decimal places. Create a rounded copy of the env for template execution only — rule evaluation continues to use full-precision values.\n\n## File to Modify\n- `internal/tagger/classifyJob.go`\n\n## Changes\n\n### 1. Add a `roundEnv` helper function\nRecursively walks a `map[string]any`, and for any `float64` value, rounds it to 2 decimal places. For nested `map[string]any` or `map[string]float64` values, recurse. Returns a new map (does not mutate the original).\n\n```go\nfunc roundEnv(env map[string]any) map[string]any {\n    rounded := make(map[string]any, len(env))\n    for k, v := range env {\n        switch val := v.(type) {\n        case float64:\n            rounded[k] = math.Round(val*100) / 100\n        case map[string]any:\n            rounded[k] = roundEnv(val)\n        case map[string]float64:\n            rm := make(map[string]float64, len(val))\n            for mk, mv := range val {\n                rm[mk] = math.Round(mv*100) / 100\n            }\n            rounded[k] = rm\n        default:\n            rounded[k] = v\n        }\n    }\n    return rounded\n}\n```\n\n### 2. Use rounded env for template execution in `Match()`\nAt line ~411, before `ri.hint.Execute(&msg, env)`, pass `roundEnv(env)` instead:\n\n```go\nif err := ri.hint.Execute(&msg, roundEnv(env)); err != nil {\n```\n\n### 3. Add `\"math\"` to imports\n\n## Verification\n- Run `go build ./...` to verify compilation\n- Run `go test ./internal/tagger/...` to verify existing tests pass\n- The test at line 88 uses `\"hint\": \"High FLOPS: {{.avg_flops}}\"` with a computed variable — this will exercise the rounding path\n"}
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{"parentUuid":"1edc2513-80c7-41a1-9bbb-a43a43d5e2e8","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_011smRrx6QseoWuVuPfy51YA","toolUseID":"toolu_011smRrx6QseoWuVuPfy51YA","timestamp":"2026-03-10T05:00:12.628Z","uuid":"8a027cbc-0478-4e1b-8d72-609f5afd4894"}
{"parentUuid":"1edc2513-80c7-41a1-9bbb-a43a43d5e2e8","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011smRrx6QseoWuVuPfy51YA","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 tagger\n     7→\n     8→import (\n     9→\t\"bytes\"\n    10→\t\"encoding/json\"\n    11→\t\"fmt\"\n    12→\t\"maps\"\n    13→\t\"os\"\n    14→\t\"path/filepath\"\n    15→\t\"strings\"\n    16→\t\"text/template\"\n    17→\n    18→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n    19→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n    20→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n    21→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n    22→\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n    23→\t\"github.com/expr-lang/expr\"\n    24→\t\"github.com/expr-lang/expr/vm\"\n    25→)\n    26→\n    27→const (\n    28→\t// defaultJobClassConfigPath is the default path for job classification configuration\n    29→\tdefaultJobClassConfigPath = \"./var/tagger/jobclasses\"\n    30→\t// tagTypeJobClass is the tag type identifier for job classification tags\n    31→\ttagTypeJobClass = \"jobClass\"\n    32→\t// jobClassConfigDirMatch is the directory name used for matching filesystem events\n    33→\tjobClassConfigDirMatch = \"jobclasses\"\n    34→\t// parametersFileName is the name of the parameters configuration file\n    35→\tparametersFileName = \"parameters.json\"\n    36→)\n    37→\n    38→// Variable defines a named expression that can be computed and reused in rules.\n    39→// Variables are evaluated before the main rule and their results are added to the environment.\n    40→type Variable struct {\n    41→\t// Name is the variable identifier used in rule expressions\n    42→\tName string `json:\"name\"`\n    43→\t// Expr is the expression to evaluate (must return a numeric value)\n    44→\tExpr string `json:\"expr\"`\n    45→}\n    46→\n    47→type ruleVariable struct {\n    48→\tname string\n    49→\texpr *vm.Program\n    50→}\n    51→\n    52→// RuleFormat defines the JSON structure for job classification rules.\n    53→// Each rule specifies requirements, metrics to analyze, variables to compute,\n    54→// and the final rule expression that determines if the job matches the classification.\n    55→type RuleFormat struct {\n    56→\t// Name is a human-readable description of the rule\n    57→\tName string `json:\"name\"`\n    58→\t// Tag is the classification tag to apply if the rule matches\n    59→\tTag string `json:\"tag\"`\n    60→\t// Parameters are shared values referenced in the rule (e.g., thresholds)\n    61→\tParameters []string `json:\"parameters\"`\n    62→\t// Metrics are the job metrics required for this rule (e.g., \"cpu_load\", \"mem_used\")\n    63→\tMetrics []string `json:\"metrics\"`\n    64→\t// Requirements are boolean expressions that must be true for the rule to apply\n    65→\tRequirements []string `json:\"requirements\"`\n    66→\t// Variables are computed values used in the rule expression\n    67→\tVariables []Variable `json:\"variables\"`\n    68→\t// Rule is the boolean expression that determines if the job matches\n    69→\tRule string `json:\"rule\"`\n    70→\t// Hint is a template string that generates a message when the rule matches\n    71→\tHint string `json:\"hint\"`\n    72→}\n    73→\n    74→type ruleInfo struct {\n    75→\tenv          map[string]any\n    76→\tmetrics      []string\n    77→\trequirements []*vm.Program\n    78→\tvariables    []ruleVariable\n    79→\trule         *vm.Program\n    80→\thint         *template.Template\n    81→}\n    82→\n    83→// JobRepository defines the interface for job database operations needed by the tagger.\n    84→// This interface allows for easier testing and decoupling from the concrete repository implementation.\n    85→type JobRepository interface {\n    86→\t// HasTag checks if a job already has a specific tag\n    87→\tHasTag(jobID int64, tagType string, tagName string) bool\n    88→\t// AddTagOrCreateDirect adds a tag to a job or creates it if it doesn't exist\n    89→\tAddTagOrCreateDirect(jobID int64, tagType string, tagName string) (tagID int64, err error)\n    90→\t// UpdateMetadata updates job metadata with a key-value pair\n    91→\tUpdateMetadata(job *schema.Job, key, val string) (err error)\n    92→}\n    93→\n    94→// JobClassTagger classifies jobs based on configurable rules that evaluate job metrics and properties.\n    95→// Rules are loaded from an external configuration directory and can be dynamically reloaded when files change.\n    96→// When a job matches a rule, it is tagged with the corresponding classification and an optional hint message.\n    97→type JobClassTagger struct {\n    98→\t// rules maps classification tags to their compiled rule information\n    99→\trules map[string]ruleInfo\n   100→\t// parameters are shared values (e.g., thresholds) used across multiple rules\n   101→\tparameters map[string]any\n   102→\t// tagType is the type of tag (\"jobClass\")\n   103→\ttagType string\n   104→\t// cfgPath is the path to watch for configuration changes\n   105→\tcfgPath string\n   106→\t// repo provides access to job database operations\n   107→\trepo JobRepository\n   108→\t// getStatistics retrieves job statistics for analysis\n   109→\tgetStatistics func(job *schema.Job) (map[string]schema.JobStatistics, error)\n   110→\t// getMetricConfig retrieves metric configuration (limits) for a cluster\n   111→\tgetMetricConfig func(cluster, subCluster string) map[string]*schema.Metric\n   112→}\n   113→\n   114→func (t *JobClassTagger) prepareRule(b []byte, fns string) {\n   115→\tvar rule RuleFormat\n   116→\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&rule); err != nil {\n   117→\t\tcclog.Warn(\"Error while decoding raw job meta json\")\n   118→\t\treturn\n   119→\t}\n   120→\n   121→\tri := ruleInfo{}\n   122→\tri.env = make(map[string]any)\n   123→\tri.metrics = make([]string, 0)\n   124→\tri.requirements = make([]*vm.Program, 0)\n   125→\tri.variables = make([]ruleVariable, 0)\n   126→\n   127→\t// check if all required parameters are available\n   128→\tfor _, p := range rule.Parameters {\n   129→\t\tparam, ok := t.parameters[p]\n   130→\t\tif !ok {\n   131→\t\t\tcclog.Warnf(\"prepareRule() > missing parameter %s in rule %s\", p, fns)\n   132→\t\t\treturn\n   133→\t\t}\n   134→\t\tri.env[p] = param\n   135→\t}\n   136→\n   137→\t// set all required metrics\n   138→\tri.metrics = append(ri.metrics, rule.Metrics...)\n   139→\n   140→\t// compile requirements\n   141→\tfor _, r := range rule.Requirements {\n   142→\t\treq, err := expr.Compile(r, expr.AsBool())\n   143→\t\tif err != nil {\n   144→\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", r, err)\n   145→\t\t\treturn\n   146→\t\t}\n   147→\t\tri.requirements = append(ri.requirements, req)\n   148→\t}\n   149→\n   150→\t// compile variables\n   151→\tfor _, v := range rule.Variables {\n   152→\t\treq, err := expr.Compile(v.Expr, expr.AsFloat64())\n   153→\t\tif err != nil {\n   154→\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", v.Name, err)\n   155→\t\t\treturn\n   156→\t\t}\n   157→\t\tri.variables = append(ri.variables, ruleVariable{name: v.Name, expr: req})\n   158→\t}\n   159→\n   160→\t// compile rule\n   161→\texp, err := expr.Compile(rule.Rule, expr.AsBool())\n   162→\tif err != nil {\n   163→\t\tcclog.Errorf(\"error compiling rule %s: %#v\", fns, err)\n   164→\t\treturn\n   165→\t}\n   166→\tri.rule = exp\n   167→\n   168→\t// prepare hint template\n   169→\tri.hint, err = template.New(fns).Parse(rule.Hint)\n   170→\tif err != nil {\n   171→\t\tcclog.Errorf(\"error processing template %s: %#v\", fns, err)\n   172→\t}\n   173→\tcclog.Infof(\"prepareRule() > processing %s with %d requirements and %d variables\", fns, len(ri.requirements), len(ri.variables))\n   174→\n   175→\tt.rules[rule.Tag] = ri\n   176→}\n   177→\n   178→// EventMatch checks if a filesystem event should trigger configuration reload.\n   179→// It returns true if the event path contains \"jobclasses\".\n   180→func (t *JobClassTagger) EventMatch(s string) bool {\n   181→\treturn strings.Contains(s, jobClassConfigDirMatch)\n   182→}\n   183→\n   184→// EventCallback is triggered when the configuration directory changes.\n   185→// It reloads parameters and all rule files from the watched directory.\n   186→// FIXME: Only process the file that caused the event\n   187→func (t *JobClassTagger) EventCallback() {\n   188→\tfiles, err := os.ReadDir(t.cfgPath)\n   189→\tif err != nil {\n   190→\t\tcclog.Fatal(err)\n   191→\t}\n   192→\n   193→\tt.rules = make(map[string]ruleInfo)\n   194→\n   195→\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n   196→\tif util.CheckFileExists(parametersFile) {\n   197→\t\tcclog.Info(\"Merge parameters\")\n   198→\t\tb, err := os.ReadFile(parametersFile)\n   199→\t\tif err != nil {\n   200→\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n   201→\t\t}\n   202→\n   203→\t\tvar paramTmp map[string]any\n   204→\t\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&paramTmp); err != nil {\n   205→\t\t\tcclog.Warn(\"Error while decoding parameters.json\")\n   206→\t\t}\n   207→\n   208→\t\tmaps.Copy(t.parameters, paramTmp)\n   209→\t}\n   210→\n   211→\tfor _, fn := range files {\n   212→\t\tfns := fn.Name()\n   213→\t\tif fns != parametersFileName {\n   214→\t\t\tcclog.Debugf(\"Process: %s\", fns)\n   215→\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n   216→\t\t\tb, err := os.ReadFile(filename)\n   217→\t\t\tif err != nil {\n   218→\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n   219→\t\t\t\tcontinue\n   220→\t\t\t}\n   221→\t\t\tt.prepareRule(b, fns)\n   222→\t\t}\n   223→\t}\n   224→}\n   225→\n   226→func (t *JobClassTagger) initParameters() error {\n   227→\tcclog.Info(\"Initialize parameters\")\n   228→\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n   229→\tb, err := os.ReadFile(parametersFile)\n   230→\tif err != nil {\n   231→\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n   232→\t\treturn err\n   233→\t}\n   234→\n   235→\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&t.parameters); err != nil {\n   236→\t\tcclog.Warn(\"Error while decoding parameters.json\")\n   237→\t\treturn err\n   238→\t}\n   239→\n   240→\treturn nil\n   241→}\n   242→\n   243→// Register initializes the JobClassTagger by loading parameters and classification rules from external folder.\n   244→// It sets up a file watch on ./var/tagger/jobclasses if it exists, allowing for\n   245→// dynamic configuration updates without restarting the application.\n   246→// Returns an error if the configuration path does not exist or cannot be read.\n   247→func (t *JobClassTagger) Register() error {\n   248→\tif t.cfgPath == \"\" {\n   249→\t\tt.cfgPath = defaultJobClassConfigPath\n   250→\t}\n   251→\tt.tagType = tagTypeJobClass\n   252→\tt.rules = make(map[string]ruleInfo)\n   253→\n   254→\tif !util.CheckFileExists(t.cfgPath) {\n   255→\t\treturn fmt.Errorf(\"configuration path does not exist: %s\", t.cfgPath)\n   256→\t}\n   257→\n   258→\terr := t.initParameters()\n   259→\tif err != nil {\n   260→\t\tcclog.Warnf(\"error reading parameters.json: %v\", err)\n   261→\t\treturn err\n   262→\t}\n   263→\n   264→\tfiles, err := os.ReadDir(t.cfgPath)\n   265→\tif err != nil {\n   266→\t\treturn fmt.Errorf(\"error reading jobclasses folder: %#v\", err)\n   267→\t}\n   268→\n   269→\tfor _, fn := range files {\n   270→\t\tfns := fn.Name()\n   271→\t\tif fns != parametersFileName {\n   272→\t\t\tcclog.Infof(\"Process: %s\", fns)\n   273→\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n   274→\n   275→\t\t\tb, err := os.ReadFile(filename)\n   276→\t\t\tif err != nil {\n   277→\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n   278→\t\t\t\tcontinue\n   279→\t\t\t}\n   280→\t\t\tt.prepareRule(b, fns)\n   281→\t\t}\n   282→\t}\n   283→\n   284→\tcclog.Infof(\"Setup file watch for %s\", t.cfgPath)\n   285→\tutil.AddListener(t.cfgPath, t)\n   286→\n   287→\tt.repo = repository.GetJobRepository()\n   288→\tt.getStatistics = archive.GetStatistics\n   289→\tt.getMetricConfig = archive.GetMetricConfigSubCluster\n   290→\n   291→\treturn nil\n   292→}\n   293→\n   294→// Match evaluates all classification rules against a job and applies matching tags.\n   295→// It retrieves job statistics and metric configurations, then tests each rule's requirements\n   296→// and main expression. For each matching rule, it:\n   297→//   - Applies the classification tag to the job\n   298→//   - Generates and stores a hint message based on the rule's template\n   299→//\n   300→// The function constructs an evaluation environment containing:\n   301→//   - Job properties (duration, cores, nodes, state, etc.)\n   302→//   - Metric statistics (min, max, avg) and their configured limits\n   303→//   - Shared parameters defined in parameters.json\n   304→//   - Computed variables from the rule definition\n   305→//\n   306→// Rules are evaluated in arbitrary order. Multiple rules can match and apply\n   307→// their tags to the same job. Hint messages from all matching rules are collected\n   308→// and stored as a combined message in the job metadata.\n   309→func (t *JobClassTagger) Match(job *schema.Job) {\n   310→\tjobStats, err := t.getStatistics(job)\n   311→\tmetricsList := t.getMetricConfig(job.Cluster, job.SubCluster)\n   312→\tcclog.Debugf(\"Enter match rule with %d rules for job %d\", len(t.rules), job.JobID)\n   313→\tif err != nil {\n   314→\t\tcclog.Errorf(\"job classification failed for job %d: %#v\", job.JobID, err)\n   315→\t\treturn\n   316→\t}\n   317→\n   318→\tid := *job.ID\n   319→\tvar messages []string\n   320→\n   321→\tfor tag, ri := range t.rules {\n   322→\t\tenv := make(map[string]any)\n   323→\t\tmaps.Copy(env, ri.env)\n   324→\t\tcclog.Debugf(\"Try to match rule %s for job %d\", tag, job.JobID)\n   325→\n   326→\t\t// Initialize environment\n   327→\t\tenv[\"job\"] = map[string]any{\n   328→\t\t\t\"shared\":   job.Shared,\n   329→\t\t\t\"duration\": job.Duration,\n   330→\t\t\t\"numCores\": job.NumHWThreads,\n   331→\t\t\t\"numNodes\": job.NumNodes,\n   332→\t\t\t\"jobState\": job.State,\n   333→\t\t\t\"numAcc\":   job.NumAcc,\n   334→\t\t\t\"smt\":      job.SMT,\n   335→\t\t}\n   336→\n   337→\t\t// add metrics to env\n   338→\t\tskipRule := false\n   339→\t\tfor _, m := range ri.metrics {\n   340→\t\t\tstats, ok := jobStats[m]\n   341→\t\t\tif !ok {\n   342→\t\t\t\tcclog.Errorf(\"job classification: missing metric '%s' for rule %s on job %d\", m, tag, job.JobID)\n   343→\t\t\t\tskipRule = true\n   344→\t\t\t\tbreak\n   345→\t\t\t}\n   346→\t\t\tenv[m] = map[string]any{\n   347→\t\t\t\t\"min\": stats.Min,\n   348→\t\t\t\t\"max\": stats.Max,\n   349→\t\t\t\t\"avg\": stats.Avg,\n   350→\t\t\t\t\"limits\": map[string]float64{\n   351→\t\t\t\t\t\"peak\":    metricsList[m].Peak,\n   352→\t\t\t\t\t\"normal\":  metricsList[m].Normal,\n   353→\t\t\t\t\t\"caution\": metricsList[m].Caution,\n   354→\t\t\t\t\t\"alert\":   metricsList[m].Alert,\n   355→\t\t\t\t},\n   356→\t\t\t}\n   357→\t\t}\n   358→\t\tif skipRule {\n   359→\t\t\tcontinue\n   360→\t\t}\n   361→\n   362→\t\t// check rule requirements apply\n   363→\t\trequirementsMet := true\n   364→\t\tfor _, r := range ri.requirements {\n   365→\t\t\tok, err := expr.Run(r, env)\n   366→\t\t\tif err != nil {\n   367→\t\t\t\tcclog.Errorf(\"error running requirement for rule %s: %#v\", tag, err)\n   368→\t\t\t\trequirementsMet = false\n   369→\t\t\t\tbreak\n   370→\t\t\t}\n   371→\t\t\tif !ok.(bool) {\n   372→\t\t\t\tcclog.Debugf(\"requirement for rule %s not met\", tag)\n   373→\t\t\t\trequirementsMet = false\n   374→\t\t\t\tbreak\n   375→\t\t\t}\n   376→\t\t}\n   377→\t\tif !requirementsMet {\n   378→\t\t\tcontinue\n   379→\t\t}\n   380→\n   381→\t\t// evaluate rule variables\n   382→\t\tvarError := false\n   383→\t\tfor _, v := range ri.variables {\n   384→\t\t\tvalue, err := expr.Run(v.expr, env)\n   385→\t\t\tif err != nil {\n   386→\t\t\t\tcclog.Errorf(\"error evaluating variable %s for rule %s: %#v\", v.name, tag, err)\n   387→\t\t\t\tvarError = true\n   388→\t\t\t\tbreak\n   389→\t\t\t}\n   390→\t\t\tenv[v.name] = value\n   391→\t\t}\n   392→\t\tif varError {\n   393→\t\t\tcontinue\n   394→\t\t}\n   395→\n   396→\t\tmatch, err := expr.Run(ri.rule, env)\n   397→\t\tif err != nil {\n   398→\t\t\tcclog.Errorf(\"error running rule %s: %#v\", tag, err)\n   399→\t\t\tcontinue\n   400→\t\t}\n   401→\t\tif match.(bool) {\n   402→\t\t\tif !t.repo.HasTag(id, t.tagType, tag) {\n   403→\t\t\t\tif _, err := t.repo.AddTagOrCreateDirect(id, t.tagType, tag); err != nil {\n   404→\t\t\t\t\tcclog.Errorf(\"failed to add tag '%s' to job %d: %v\", tag, id, err)\n   405→\t\t\t\t\tcontinue\n   406→\t\t\t\t}\n   407→\t\t\t}\n   408→\n   409→\t\t\t// process hint template\n   410→\t\t\tvar msg bytes.Buffer\n   411→\t\t\tif err := ri.hint.Execute(&msg, env); err != nil {\n   412→\t\t\t\tcclog.Errorf(\"Template error: %s\", err.Error())\n   413→\t\t\t\tcontinue\n   414→\t\t\t}\n   415→\t\t\tmessages = append(messages, msg.String())\n   416→\t\t}\n   417→\t}\n   418→\n   419→\tif len(messages) > 0 {\n   420→\t\tcombined := strings.Join(messages, \"\\n\")\n   421→\t\tif err := t.repo.UpdateMetadata(job, \"message\", combined); err != nil {\n   422→\t\t\tcclog.Errorf(\"failed to update metadata for job %d: %v\", *job.ID, err)\n   423→\t\t}\n   424→\t}\n   425→}\n   426→"}]},"uuid":"3c5a5b39-8a2d-48ca-988f-9d5cb9aced46","timestamp":"2026-03-10T05:00:12.627Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.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 tagger\n\nimport (\n\t\"bytes\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"maps\"\n\t\"os\"\n\t\"path/filepath\"\n\t\"strings\"\n\t\"text/template\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/expr-lang/expr\"\n\t\"github.com/expr-lang/expr/vm\"\n)\n\nconst (\n\t// defaultJobClassConfigPath is the default path for job classification configuration\n\tdefaultJobClassConfigPath = \"./var/tagger/jobclasses\"\n\t// tagTypeJobClass is the tag type identifier for job classification tags\n\ttagTypeJobClass = \"jobClass\"\n\t// jobClassConfigDirMatch is the directory name used for matching filesystem events\n\tjobClassConfigDirMatch = \"jobclasses\"\n\t// parametersFileName is the name of the parameters configuration file\n\tparametersFileName = \"parameters.json\"\n)\n\n// Variable defines a named expression that can be computed and reused in rules.\n// Variables are evaluated before the main rule and their results are added to the environment.\ntype Variable struct {\n\t// Name is the variable identifier used in rule expressions\n\tName string `json:\"name\"`\n\t// Expr is the expression to evaluate (must return a numeric value)\n\tExpr string `json:\"expr\"`\n}\n\ntype ruleVariable struct {\n\tname string\n\texpr *vm.Program\n}\n\n// RuleFormat defines the JSON structure for job classification rules.\n// Each rule specifies requirements, metrics to analyze, variables to compute,\n// and the final rule expression that determines if the job matches the classification.\ntype RuleFormat struct {\n\t// Name is a human-readable description of the rule\n\tName string `json:\"name\"`\n\t// Tag is the classification tag to apply if the rule matches\n\tTag string `json:\"tag\"`\n\t// Parameters are shared values referenced in the rule (e.g., thresholds)\n\tParameters []string `json:\"parameters\"`\n\t// Metrics are the job metrics required for this rule (e.g., \"cpu_load\", \"mem_used\")\n\tMetrics []string `json:\"metrics\"`\n\t// Requirements are boolean expressions that must be true for the rule to apply\n\tRequirements []string `json:\"requirements\"`\n\t// Variables are computed values used in the rule expression\n\tVariables []Variable `json:\"variables\"`\n\t// Rule is the boolean expression that determines if the job matches\n\tRule string `json:\"rule\"`\n\t// Hint is a template string that generates a message when the rule matches\n\tHint string `json:\"hint\"`\n}\n\ntype ruleInfo struct {\n\tenv          map[string]any\n\tmetrics      []string\n\trequirements []*vm.Program\n\tvariables    []ruleVariable\n\trule         *vm.Program\n\thint         *template.Template\n}\n\n// JobRepository defines the interface for job database operations needed by the tagger.\n// This interface allows for easier testing and decoupling from the concrete repository implementation.\ntype JobRepository interface {\n\t// HasTag checks if a job already has a specific tag\n\tHasTag(jobID int64, tagType string, tagName string) bool\n\t// AddTagOrCreateDirect adds a tag to a job or creates it if it doesn't exist\n\tAddTagOrCreateDirect(jobID int64, tagType string, tagName string) (tagID int64, err error)\n\t// UpdateMetadata updates job metadata with a key-value pair\n\tUpdateMetadata(job *schema.Job, key, val string) (err error)\n}\n\n// JobClassTagger classifies jobs based on configurable rules that evaluate job metrics and properties.\n// Rules are loaded from an external configuration directory and can be dynamically reloaded when files change.\n// When a job matches a rule, it is tagged with the corresponding classification and an optional hint message.\ntype JobClassTagger struct {\n\t// rules maps classification tags to their compiled rule information\n\trules map[string]ruleInfo\n\t// parameters are shared values (e.g., thresholds) used across multiple rules\n\tparameters map[string]any\n\t// tagType is the type of tag (\"jobClass\")\n\ttagType string\n\t// cfgPath is the path to watch for configuration changes\n\tcfgPath string\n\t// repo provides access to job database operations\n\trepo JobRepository\n\t// getStatistics retrieves job statistics for analysis\n\tgetStatistics func(job *schema.Job) (map[string]schema.JobStatistics, error)\n\t// getMetricConfig retrieves metric configuration (limits) for a cluster\n\tgetMetricConfig func(cluster, subCluster string) map[string]*schema.Metric\n}\n\nfunc (t *JobClassTagger) prepareRule(b []byte, fns string) {\n\tvar rule RuleFormat\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&rule); err != nil {\n\t\tcclog.Warn(\"Error while decoding raw job meta json\")\n\t\treturn\n\t}\n\n\tri := ruleInfo{}\n\tri.env = make(map[string]any)\n\tri.metrics = make([]string, 0)\n\tri.requirements = make([]*vm.Program, 0)\n\tri.variables = make([]ruleVariable, 0)\n\n\t// check if all required parameters are available\n\tfor _, p := range rule.Parameters {\n\t\tparam, ok := t.parameters[p]\n\t\tif !ok {\n\t\t\tcclog.Warnf(\"prepareRule() > missing parameter %s in rule %s\", p, fns)\n\t\t\treturn\n\t\t}\n\t\tri.env[p] = param\n\t}\n\n\t// set all required metrics\n\tri.metrics = append(ri.metrics, rule.Metrics...)\n\n\t// compile requirements\n\tfor _, r := range rule.Requirements {\n\t\treq, err := expr.Compile(r, expr.AsBool())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", r, err)\n\t\t\treturn\n\t\t}\n\t\tri.requirements = append(ri.requirements, req)\n\t}\n\n\t// compile variables\n\tfor _, v := range rule.Variables {\n\t\treq, err := expr.Compile(v.Expr, expr.AsFloat64())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", v.Name, err)\n\t\t\treturn\n\t\t}\n\t\tri.variables = append(ri.variables, ruleVariable{name: v.Name, expr: req})\n\t}\n\n\t// compile rule\n\texp, err := expr.Compile(rule.Rule, expr.AsBool())\n\tif err != nil {\n\t\tcclog.Errorf(\"error compiling rule %s: %#v\", fns, err)\n\t\treturn\n\t}\n\tri.rule = exp\n\n\t// prepare hint template\n\tri.hint, err = template.New(fns).Parse(rule.Hint)\n\tif err != nil {\n\t\tcclog.Errorf(\"error processing template %s: %#v\", fns, err)\n\t}\n\tcclog.Infof(\"prepareRule() > processing %s with %d requirements and %d variables\", fns, len(ri.requirements), len(ri.variables))\n\n\tt.rules[rule.Tag] = ri\n}\n\n// EventMatch checks if a filesystem event should trigger configuration reload.\n// It returns true if the event path contains \"jobclasses\".\nfunc (t *JobClassTagger) EventMatch(s string) bool {\n\treturn strings.Contains(s, jobClassConfigDirMatch)\n}\n\n// EventCallback is triggered when the configuration directory changes.\n// It reloads parameters and all rule files from the watched directory.\n// FIXME: Only process the file that caused the event\nfunc (t *JobClassTagger) EventCallback() {\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\tcclog.Fatal(err)\n\t}\n\n\tt.rules = make(map[string]ruleInfo)\n\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tif util.CheckFileExists(parametersFile) {\n\t\tcclog.Info(\"Merge parameters\")\n\t\tb, err := os.ReadFile(parametersFile)\n\t\tif err != nil {\n\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t}\n\n\t\tvar paramTmp map[string]any\n\t\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&paramTmp); err != nil {\n\t\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\t}\n\n\t\tmaps.Copy(t.parameters, paramTmp)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Debugf(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n}\n\nfunc (t *JobClassTagger) initParameters() error {\n\tcclog.Info(\"Initialize parameters\")\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tb, err := os.ReadFile(parametersFile)\n\tif err != nil {\n\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\treturn err\n\t}\n\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&t.parameters); err != nil {\n\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\treturn err\n\t}\n\n\treturn nil\n}\n\n// Register initializes the JobClassTagger by loading parameters and classification rules from external folder.\n// It sets up a file watch on ./var/tagger/jobclasses if it exists, allowing for\n// dynamic configuration updates without restarting the application.\n// Returns an error if the configuration path does not exist or cannot be read.\nfunc (t *JobClassTagger) Register() error {\n\tif t.cfgPath == \"\" {\n\t\tt.cfgPath = defaultJobClassConfigPath\n\t}\n\tt.tagType = tagTypeJobClass\n\tt.rules = make(map[string]ruleInfo)\n\n\tif !util.CheckFileExists(t.cfgPath) {\n\t\treturn fmt.Errorf(\"configuration path does not exist: %s\", t.cfgPath)\n\t}\n\n\terr := t.initParameters()\n\tif err != nil {\n\t\tcclog.Warnf(\"error reading parameters.json: %v\", err)\n\t\treturn err\n\t}\n\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error reading jobclasses folder: %#v\", err)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Infof(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n\n\tcclog.Infof(\"Setup file watch for %s\", t.cfgPath)\n\tutil.AddListener(t.cfgPath, t)\n\n\tt.repo = repository.GetJobRepository()\n\tt.getStatistics = archive.GetStatistics\n\tt.getMetricConfig = archive.GetMetricConfigSubCluster\n\n\treturn nil\n}\n\n// Match evaluates all classification rules against a job and applies matching tags.\n// It retrieves job statistics and metric configurations, then tests each rule's requirements\n// and main expression. For each matching rule, it:\n//   - Applies the classification tag to the job\n//   - Generates and stores a hint message based on the rule's template\n//\n// The function constructs an evaluation environment containing:\n//   - Job properties (duration, cores, nodes, state, etc.)\n//   - Metric statistics (min, max, avg) and their configured limits\n//   - Shared parameters defined in parameters.json\n//   - Computed variables from the rule definition\n//\n// Rules are evaluated in arbitrary order. Multiple rules can match and apply\n// their tags to the same job. Hint messages from all matching rules are collected\n// and stored as a combined message in the job metadata.\nfunc (t *JobClassTagger) Match(job *schema.Job) {\n\tjobStats, err := t.getStatistics(job)\n\tmetricsList := t.getMetricConfig(job.Cluster, job.SubCluster)\n\tcclog.Debugf(\"Enter match rule with %d rules for job %d\", len(t.rules), job.JobID)\n\tif err != nil {\n\t\tcclog.Errorf(\"job classification failed for job %d: %#v\", job.JobID, err)\n\t\treturn\n\t}\n\n\tid := *job.ID\n\tvar messages []string\n\n\tfor tag, ri := range t.rules {\n\t\tenv := make(map[string]any)\n\t\tmaps.Copy(env, ri.env)\n\t\tcclog.Debugf(\"Try to match rule %s for job %d\", tag, job.JobID)\n\n\t\t// Initialize environment\n\t\tenv[\"job\"] = map[string]any{\n\t\t\t\"shared\":   job.Shared,\n\t\t\t\"duration\": job.Duration,\n\t\t\t\"numCores\": job.NumHWThreads,\n\t\t\t\"numNodes\": job.NumNodes,\n\t\t\t\"jobState\": job.State,\n\t\t\t\"numAcc\":   job.NumAcc,\n\t\t\t\"smt\":      job.SMT,\n\t\t}\n\n\t\t// add metrics to env\n\t\tskipRule := false\n\t\tfor _, m := range ri.metrics {\n\t\t\tstats, ok := jobStats[m]\n\t\t\tif !ok {\n\t\t\t\tcclog.Errorf(\"job classification: missing metric '%s' for rule %s on job %d\", m, tag, job.JobID)\n\t\t\t\tskipRule = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[m] = map[string]any{\n\t\t\t\t\"min\": stats.Min,\n\t\t\t\t\"max\": stats.Max,\n\t\t\t\t\"avg\": stats.Avg,\n\t\t\t\t\"limits\": map[string]float64{\n\t\t\t\t\t\"peak\":    metricsList[m].Peak,\n\t\t\t\t\t\"normal\":  metricsList[m].Normal,\n\t\t\t\t\t\"caution\": metricsList[m].Caution,\n\t\t\t\t\t\"alert\":   metricsList[m].Alert,\n\t\t\t\t},\n\t\t\t}\n\t\t}\n\t\tif skipRule {\n\t\t\tcontinue\n\t\t}\n\n\t\t// check rule requirements apply\n\t\trequirementsMet := true\n\t\tfor _, r := range ri.requirements {\n\t\t\tok, err := expr.Run(r, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error running requirement for rule %s: %#v\", tag, err)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tif !ok.(bool) {\n\t\t\t\tcclog.Debugf(\"requirement for rule %s not met\", tag)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t}\n\t\tif !requirementsMet {\n\t\t\tcontinue\n\t\t}\n\n\t\t// evaluate rule variables\n\t\tvarError := false\n\t\tfor _, v := range ri.variables {\n\t\t\tvalue, err := expr.Run(v.expr, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error evaluating variable %s for rule %s: %#v\", v.name, tag, err)\n\t\t\t\tvarError = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[v.name] = value\n\t\t}\n\t\tif varError {\n\t\t\tcontinue\n\t\t}\n\n\t\tmatch, err := expr.Run(ri.rule, env)\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error running rule %s: %#v\", tag, err)\n\t\t\tcontinue\n\t\t}\n\t\tif match.(bool) {\n\t\t\tif !t.repo.HasTag(id, t.tagType, tag) {\n\t\t\t\tif _, err := t.repo.AddTagOrCreateDirect(id, t.tagType, tag); err != nil {\n\t\t\t\t\tcclog.Errorf(\"failed to add tag '%s' to job %d: %v\", tag, id, err)\n\t\t\t\t\tcontinue\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// process hint template\n\t\t\tvar msg bytes.Buffer\n\t\t\tif err := ri.hint.Execute(&msg, env); err != nil {\n\t\t\t\tcclog.Errorf(\"Template error: %s\", err.Error())\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tmessages = append(messages, msg.String())\n\t\t}\n\t}\n\n\tif len(messages) > 0 {\n\t\tcombined := strings.Join(messages, \"\\n\")\n\t\tif err := t.repo.UpdateMetadata(job, \"message\", combined); err != nil {\n\t\t\tcclog.Errorf(\"failed to update metadata for job %d: %v\", *job.ID, err)\n\t\t}\n\t}\n}\n","numLines":426,"startLine":1,"totalLines":426}},"sourceToolAssistantUUID":"1edc2513-80c7-41a1-9bbb-a43a43d5e2e8"}
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{"parentUuid":"5bf401c0-ff18-4f41-b18a-0a890ba5248d","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0133FPsXFgoPHr9EubRF9EZT","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.go has been updated successfully."}]},"uuid":"1e3aa944-0621-4b2f-8274-5fe4181289fa","timestamp":"2026-03-10T05:00:16.664Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.go","oldString":"\t\"encoding/json\"\n\t\"fmt\"\n\t\"maps\"\n\t\"os\"","newString":"\t\"encoding/json\"\n\t\"fmt\"\n\t\"maps\"\n\t\"math\"\n\t\"os\"","originalFile":"// 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 tagger\n\nimport (\n\t\"bytes\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"maps\"\n\t\"os\"\n\t\"path/filepath\"\n\t\"strings\"\n\t\"text/template\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/expr-lang/expr\"\n\t\"github.com/expr-lang/expr/vm\"\n)\n\nconst (\n\t// defaultJobClassConfigPath is the default path for job classification configuration\n\tdefaultJobClassConfigPath = \"./var/tagger/jobclasses\"\n\t// tagTypeJobClass is the tag type identifier for job classification tags\n\ttagTypeJobClass = \"jobClass\"\n\t// jobClassConfigDirMatch is the directory name used for matching filesystem events\n\tjobClassConfigDirMatch = \"jobclasses\"\n\t// parametersFileName is the name of the parameters configuration file\n\tparametersFileName = \"parameters.json\"\n)\n\n// Variable defines a named expression that can be computed and reused in rules.\n// Variables are evaluated before the main rule and their results are added to the environment.\ntype Variable struct {\n\t// Name is the variable identifier used in rule expressions\n\tName string `json:\"name\"`\n\t// Expr is the expression to evaluate (must return a numeric value)\n\tExpr string `json:\"expr\"`\n}\n\ntype ruleVariable struct {\n\tname string\n\texpr *vm.Program\n}\n\n// RuleFormat defines the JSON structure for job classification rules.\n// Each rule specifies requirements, metrics to analyze, variables to compute,\n// and the final rule expression that determines if the job matches the classification.\ntype RuleFormat struct {\n\t// Name is a human-readable description of the rule\n\tName string `json:\"name\"`\n\t// Tag is the classification tag to apply if the rule matches\n\tTag string `json:\"tag\"`\n\t// Parameters are shared values referenced in the rule (e.g., thresholds)\n\tParameters []string `json:\"parameters\"`\n\t// Metrics are the job metrics required for this rule (e.g., \"cpu_load\", \"mem_used\")\n\tMetrics []string `json:\"metrics\"`\n\t// Requirements are boolean expressions that must be true for the rule to apply\n\tRequirements []string `json:\"requirements\"`\n\t// Variables are computed values used in the rule expression\n\tVariables []Variable `json:\"variables\"`\n\t// Rule is the boolean expression that determines if the job matches\n\tRule string `json:\"rule\"`\n\t// Hint is a template string that generates a message when the rule matches\n\tHint string `json:\"hint\"`\n}\n\ntype ruleInfo struct {\n\tenv          map[string]any\n\tmetrics      []string\n\trequirements []*vm.Program\n\tvariables    []ruleVariable\n\trule         *vm.Program\n\thint         *template.Template\n}\n\n// JobRepository defines the interface for job database operations needed by the tagger.\n// This interface allows for easier testing and decoupling from the concrete repository implementation.\ntype JobRepository interface {\n\t// HasTag checks if a job already has a specific tag\n\tHasTag(jobID int64, tagType string, tagName string) bool\n\t// AddTagOrCreateDirect adds a tag to a job or creates it if it doesn't exist\n\tAddTagOrCreateDirect(jobID int64, tagType string, tagName string) (tagID int64, err error)\n\t// UpdateMetadata updates job metadata with a key-value pair\n\tUpdateMetadata(job *schema.Job, key, val string) (err error)\n}\n\n// JobClassTagger classifies jobs based on configurable rules that evaluate job metrics and properties.\n// Rules are loaded from an external configuration directory and can be dynamically reloaded when files change.\n// When a job matches a rule, it is tagged with the corresponding classification and an optional hint message.\ntype JobClassTagger struct {\n\t// rules maps classification tags to their compiled rule information\n\trules map[string]ruleInfo\n\t// parameters are shared values (e.g., thresholds) used across multiple rules\n\tparameters map[string]any\n\t// tagType is the type of tag (\"jobClass\")\n\ttagType string\n\t// cfgPath is the path to watch for configuration changes\n\tcfgPath string\n\t// repo provides access to job database operations\n\trepo JobRepository\n\t// getStatistics retrieves job statistics for analysis\n\tgetStatistics func(job *schema.Job) (map[string]schema.JobStatistics, error)\n\t// getMetricConfig retrieves metric configuration (limits) for a cluster\n\tgetMetricConfig func(cluster, subCluster string) map[string]*schema.Metric\n}\n\nfunc (t *JobClassTagger) prepareRule(b []byte, fns string) {\n\tvar rule RuleFormat\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&rule); err != nil {\n\t\tcclog.Warn(\"Error while decoding raw job meta json\")\n\t\treturn\n\t}\n\n\tri := ruleInfo{}\n\tri.env = make(map[string]any)\n\tri.metrics = make([]string, 0)\n\tri.requirements = make([]*vm.Program, 0)\n\tri.variables = make([]ruleVariable, 0)\n\n\t// check if all required parameters are available\n\tfor _, p := range rule.Parameters {\n\t\tparam, ok := t.parameters[p]\n\t\tif !ok {\n\t\t\tcclog.Warnf(\"prepareRule() > missing parameter %s in rule %s\", p, fns)\n\t\t\treturn\n\t\t}\n\t\tri.env[p] = param\n\t}\n\n\t// set all required metrics\n\tri.metrics = append(ri.metrics, rule.Metrics...)\n\n\t// compile requirements\n\tfor _, r := range rule.Requirements {\n\t\treq, err := expr.Compile(r, expr.AsBool())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", r, err)\n\t\t\treturn\n\t\t}\n\t\tri.requirements = append(ri.requirements, req)\n\t}\n\n\t// compile variables\n\tfor _, v := range rule.Variables {\n\t\treq, err := expr.Compile(v.Expr, expr.AsFloat64())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", v.Name, err)\n\t\t\treturn\n\t\t}\n\t\tri.variables = append(ri.variables, ruleVariable{name: v.Name, expr: req})\n\t}\n\n\t// compile rule\n\texp, err := expr.Compile(rule.Rule, expr.AsBool())\n\tif err != nil {\n\t\tcclog.Errorf(\"error compiling rule %s: %#v\", fns, err)\n\t\treturn\n\t}\n\tri.rule = exp\n\n\t// prepare hint template\n\tri.hint, err = template.New(fns).Parse(rule.Hint)\n\tif err != nil {\n\t\tcclog.Errorf(\"error processing template %s: %#v\", fns, err)\n\t}\n\tcclog.Infof(\"prepareRule() > processing %s with %d requirements and %d variables\", fns, len(ri.requirements), len(ri.variables))\n\n\tt.rules[rule.Tag] = ri\n}\n\n// EventMatch checks if a filesystem event should trigger configuration reload.\n// It returns true if the event path contains \"jobclasses\".\nfunc (t *JobClassTagger) EventMatch(s string) bool {\n\treturn strings.Contains(s, jobClassConfigDirMatch)\n}\n\n// EventCallback is triggered when the configuration directory changes.\n// It reloads parameters and all rule files from the watched directory.\n// FIXME: Only process the file that caused the event\nfunc (t *JobClassTagger) EventCallback() {\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\tcclog.Fatal(err)\n\t}\n\n\tt.rules = make(map[string]ruleInfo)\n\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tif util.CheckFileExists(parametersFile) {\n\t\tcclog.Info(\"Merge parameters\")\n\t\tb, err := os.ReadFile(parametersFile)\n\t\tif err != nil {\n\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t}\n\n\t\tvar paramTmp map[string]any\n\t\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&paramTmp); err != nil {\n\t\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\t}\n\n\t\tmaps.Copy(t.parameters, paramTmp)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Debugf(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n}\n\nfunc (t *JobClassTagger) initParameters() error {\n\tcclog.Info(\"Initialize parameters\")\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tb, err := os.ReadFile(parametersFile)\n\tif err != nil {\n\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\treturn err\n\t}\n\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&t.parameters); err != nil {\n\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\treturn err\n\t}\n\n\treturn nil\n}\n\n// Register initializes the JobClassTagger by loading parameters and classification rules from external folder.\n// It sets up a file watch on ./var/tagger/jobclasses if it exists, allowing for\n// dynamic configuration updates without restarting the application.\n// Returns an error if the configuration path does not exist or cannot be read.\nfunc (t *JobClassTagger) Register() error {\n\tif t.cfgPath == \"\" {\n\t\tt.cfgPath = defaultJobClassConfigPath\n\t}\n\tt.tagType = tagTypeJobClass\n\tt.rules = make(map[string]ruleInfo)\n\n\tif !util.CheckFileExists(t.cfgPath) {\n\t\treturn fmt.Errorf(\"configuration path does not exist: %s\", t.cfgPath)\n\t}\n\n\terr := t.initParameters()\n\tif err != nil {\n\t\tcclog.Warnf(\"error reading parameters.json: %v\", err)\n\t\treturn err\n\t}\n\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error reading jobclasses folder: %#v\", err)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Infof(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n\n\tcclog.Infof(\"Setup file watch for %s\", t.cfgPath)\n\tutil.AddListener(t.cfgPath, t)\n\n\tt.repo = repository.GetJobRepository()\n\tt.getStatistics = archive.GetStatistics\n\tt.getMetricConfig = archive.GetMetricConfigSubCluster\n\n\treturn nil\n}\n\n// Match evaluates all classification rules against a job and applies matching tags.\n// It retrieves job statistics and metric configurations, then tests each rule's requirements\n// and main expression. For each matching rule, it:\n//   - Applies the classification tag to the job\n//   - Generates and stores a hint message based on the rule's template\n//\n// The function constructs an evaluation environment containing:\n//   - Job properties (duration, cores, nodes, state, etc.)\n//   - Metric statistics (min, max, avg) and their configured limits\n//   - Shared parameters defined in parameters.json\n//   - Computed variables from the rule definition\n//\n// Rules are evaluated in arbitrary order. Multiple rules can match and apply\n// their tags to the same job. Hint messages from all matching rules are collected\n// and stored as a combined message in the job metadata.\nfunc (t *JobClassTagger) Match(job *schema.Job) {\n\tjobStats, err := t.getStatistics(job)\n\tmetricsList := t.getMetricConfig(job.Cluster, job.SubCluster)\n\tcclog.Debugf(\"Enter match rule with %d rules for job %d\", len(t.rules), job.JobID)\n\tif err != nil {\n\t\tcclog.Errorf(\"job classification failed for job %d: %#v\", job.JobID, err)\n\t\treturn\n\t}\n\n\tid := *job.ID\n\tvar messages []string\n\n\tfor tag, ri := range t.rules {\n\t\tenv := make(map[string]any)\n\t\tmaps.Copy(env, ri.env)\n\t\tcclog.Debugf(\"Try to match rule %s for job %d\", tag, job.JobID)\n\n\t\t// Initialize environment\n\t\tenv[\"job\"] = map[string]any{\n\t\t\t\"shared\":   job.Shared,\n\t\t\t\"duration\": job.Duration,\n\t\t\t\"numCores\": job.NumHWThreads,\n\t\t\t\"numNodes\": job.NumNodes,\n\t\t\t\"jobState\": job.State,\n\t\t\t\"numAcc\":   job.NumAcc,\n\t\t\t\"smt\":      job.SMT,\n\t\t}\n\n\t\t// add metrics to env\n\t\tskipRule := false\n\t\tfor _, m := range ri.metrics {\n\t\t\tstats, ok := jobStats[m]\n\t\t\tif !ok {\n\t\t\t\tcclog.Errorf(\"job classification: missing metric '%s' for rule %s on job %d\", m, tag, job.JobID)\n\t\t\t\tskipRule = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[m] = map[string]any{\n\t\t\t\t\"min\": stats.Min,\n\t\t\t\t\"max\": stats.Max,\n\t\t\t\t\"avg\": stats.Avg,\n\t\t\t\t\"limits\": map[string]float64{\n\t\t\t\t\t\"peak\":    metricsList[m].Peak,\n\t\t\t\t\t\"normal\":  metricsList[m].Normal,\n\t\t\t\t\t\"caution\": metricsList[m].Caution,\n\t\t\t\t\t\"alert\":   metricsList[m].Alert,\n\t\t\t\t},\n\t\t\t}\n\t\t}\n\t\tif skipRule {\n\t\t\tcontinue\n\t\t}\n\n\t\t// check rule requirements apply\n\t\trequirementsMet := true\n\t\tfor _, r := range ri.requirements {\n\t\t\tok, err := expr.Run(r, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error running requirement for rule %s: %#v\", tag, err)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tif !ok.(bool) {\n\t\t\t\tcclog.Debugf(\"requirement for rule %s not met\", tag)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t}\n\t\tif !requirementsMet {\n\t\t\tcontinue\n\t\t}\n\n\t\t// evaluate rule variables\n\t\tvarError := false\n\t\tfor _, v := range ri.variables {\n\t\t\tvalue, err := expr.Run(v.expr, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error evaluating variable %s for rule %s: %#v\", v.name, tag, err)\n\t\t\t\tvarError = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[v.name] = value\n\t\t}\n\t\tif varError {\n\t\t\tcontinue\n\t\t}\n\n\t\tmatch, err := expr.Run(ri.rule, env)\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error running rule %s: %#v\", tag, err)\n\t\t\tcontinue\n\t\t}\n\t\tif match.(bool) {\n\t\t\tif !t.repo.HasTag(id, t.tagType, tag) {\n\t\t\t\tif _, err := t.repo.AddTagOrCreateDirect(id, t.tagType, tag); err != nil {\n\t\t\t\t\tcclog.Errorf(\"failed to add tag '%s' to job %d: %v\", tag, id, err)\n\t\t\t\t\tcontinue\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// process hint template\n\t\t\tvar msg bytes.Buffer\n\t\t\tif err := ri.hint.Execute(&msg, env); err != nil {\n\t\t\t\tcclog.Errorf(\"Template error: %s\", err.Error())\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tmessages = append(messages, msg.String())\n\t\t}\n\t}\n\n\tif len(messages) > 0 {\n\t\tcombined := strings.Join(messages, \"\\n\")\n\t\tif err := t.repo.UpdateMetadata(job, \"message\", combined); err != nil {\n\t\t\tcclog.Errorf(\"failed to update metadata for job %d: %v\", *job.ID, err)\n\t\t}\n\t}\n}\n","structuredPatch":[{"oldStart":10,"oldLines":6,"newStart":10,"newLines":7,"lines":["   \"encoding/json\"","   \"fmt\"","   \"maps\"","+  \"math\"","   \"os\"","   \"path/filepath\"","   \"strings\""]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"5bf401c0-ff18-4f41-b18a-0a890ba5248d"}
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{"parentUuid":"7bff86cb-b16d-4665-8bb5-7e0b96b3e408","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013GnAvp9UwU8nzbZFh13Ny6","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.go has been updated successfully."}]},"uuid":"21c5dff9-d56f-448d-8870-c6b097eb46c7","timestamp":"2026-03-10T05:00:22.627Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.go","oldString":"func (t *JobClassTagger) prepareRule(b []byte, fns string) {","newString":"// roundEnv returns a copy of env with all float64 values rounded to 2 decimal places.\n// Nested map[string]any and map[string]float64 values are recursed into.\nfunc roundEnv(env map[string]any) map[string]any {\n\trounded := make(map[string]any, len(env))\n\tfor k, v := range env {\n\t\tswitch val := v.(type) {\n\t\tcase float64:\n\t\t\trounded[k] = math.Round(val*100) / 100\n\t\tcase map[string]any:\n\t\t\trounded[k] = roundEnv(val)\n\t\tcase map[string]float64:\n\t\t\trm := make(map[string]float64, len(val))\n\t\t\tfor mk, mv := range val {\n\t\t\t\trm[mk] = math.Round(mv*100) / 100\n\t\t\t}\n\t\t\trounded[k] = rm\n\t\tdefault:\n\t\t\trounded[k] = v\n\t\t}\n\t}\n\treturn rounded\n}\n\nfunc (t *JobClassTagger) prepareRule(b []byte, fns string) {","originalFile":"// 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 tagger\n\nimport (\n\t\"bytes\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"maps\"\n\t\"math\"\n\t\"os\"\n\t\"path/filepath\"\n\t\"strings\"\n\t\"text/template\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/expr-lang/expr\"\n\t\"github.com/expr-lang/expr/vm\"\n)\n\nconst (\n\t// defaultJobClassConfigPath is the default path for job classification configuration\n\tdefaultJobClassConfigPath = \"./var/tagger/jobclasses\"\n\t// tagTypeJobClass is the tag type identifier for job classification tags\n\ttagTypeJobClass = \"jobClass\"\n\t// jobClassConfigDirMatch is the directory name used for matching filesystem events\n\tjobClassConfigDirMatch = \"jobclasses\"\n\t// parametersFileName is the name of the parameters configuration file\n\tparametersFileName = \"parameters.json\"\n)\n\n// Variable defines a named expression that can be computed and reused in rules.\n// Variables are evaluated before the main rule and their results are added to the environment.\ntype Variable struct {\n\t// Name is the variable identifier used in rule expressions\n\tName string `json:\"name\"`\n\t// Expr is the expression to evaluate (must return a numeric value)\n\tExpr string `json:\"expr\"`\n}\n\ntype ruleVariable struct {\n\tname string\n\texpr *vm.Program\n}\n\n// RuleFormat defines the JSON structure for job classification rules.\n// Each rule specifies requirements, metrics to analyze, variables to compute,\n// and the final rule expression that determines if the job matches the classification.\ntype RuleFormat struct {\n\t// Name is a human-readable description of the rule\n\tName string `json:\"name\"`\n\t// Tag is the classification tag to apply if the rule matches\n\tTag string `json:\"tag\"`\n\t// Parameters are shared values referenced in the rule (e.g., thresholds)\n\tParameters []string `json:\"parameters\"`\n\t// Metrics are the job metrics required for this rule (e.g., \"cpu_load\", \"mem_used\")\n\tMetrics []string `json:\"metrics\"`\n\t// Requirements are boolean expressions that must be true for the rule to apply\n\tRequirements []string `json:\"requirements\"`\n\t// Variables are computed values used in the rule expression\n\tVariables []Variable `json:\"variables\"`\n\t// Rule is the boolean expression that determines if the job matches\n\tRule string `json:\"rule\"`\n\t// Hint is a template string that generates a message when the rule matches\n\tHint string `json:\"hint\"`\n}\n\ntype ruleInfo struct {\n\tenv          map[string]any\n\tmetrics      []string\n\trequirements []*vm.Program\n\tvariables    []ruleVariable\n\trule         *vm.Program\n\thint         *template.Template\n}\n\n// JobRepository defines the interface for job database operations needed by the tagger.\n// This interface allows for easier testing and decoupling from the concrete repository implementation.\ntype JobRepository interface {\n\t// HasTag checks if a job already has a specific tag\n\tHasTag(jobID int64, tagType string, tagName string) bool\n\t// AddTagOrCreateDirect adds a tag to a job or creates it if it doesn't exist\n\tAddTagOrCreateDirect(jobID int64, tagType string, tagName string) (tagID int64, err error)\n\t// UpdateMetadata updates job metadata with a key-value pair\n\tUpdateMetadata(job *schema.Job, key, val string) (err error)\n}\n\n// JobClassTagger classifies jobs based on configurable rules that evaluate job metrics and properties.\n// Rules are loaded from an external configuration directory and can be dynamically reloaded when files change.\n// When a job matches a rule, it is tagged with the corresponding classification and an optional hint message.\ntype JobClassTagger struct {\n\t// rules maps classification tags to their compiled rule information\n\trules map[string]ruleInfo\n\t// parameters are shared values (e.g., thresholds) used across multiple rules\n\tparameters map[string]any\n\t// tagType is the type of tag (\"jobClass\")\n\ttagType string\n\t// cfgPath is the path to watch for configuration changes\n\tcfgPath string\n\t// repo provides access to job database operations\n\trepo JobRepository\n\t// getStatistics retrieves job statistics for analysis\n\tgetStatistics func(job *schema.Job) (map[string]schema.JobStatistics, error)\n\t// getMetricConfig retrieves metric configuration (limits) for a cluster\n\tgetMetricConfig func(cluster, subCluster string) map[string]*schema.Metric\n}\n\nfunc (t *JobClassTagger) prepareRule(b []byte, fns string) {\n\tvar rule RuleFormat\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&rule); err != nil {\n\t\tcclog.Warn(\"Error while decoding raw job meta json\")\n\t\treturn\n\t}\n\n\tri := ruleInfo{}\n\tri.env = make(map[string]any)\n\tri.metrics = make([]string, 0)\n\tri.requirements = make([]*vm.Program, 0)\n\tri.variables = make([]ruleVariable, 0)\n\n\t// check if all required parameters are available\n\tfor _, p := range rule.Parameters {\n\t\tparam, ok := t.parameters[p]\n\t\tif !ok {\n\t\t\tcclog.Warnf(\"prepareRule() > missing parameter %s in rule %s\", p, fns)\n\t\t\treturn\n\t\t}\n\t\tri.env[p] = param\n\t}\n\n\t// set all required metrics\n\tri.metrics = append(ri.metrics, rule.Metrics...)\n\n\t// compile requirements\n\tfor _, r := range rule.Requirements {\n\t\treq, err := expr.Compile(r, expr.AsBool())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", r, err)\n\t\t\treturn\n\t\t}\n\t\tri.requirements = append(ri.requirements, req)\n\t}\n\n\t// compile variables\n\tfor _, v := range rule.Variables {\n\t\treq, err := expr.Compile(v.Expr, expr.AsFloat64())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", v.Name, err)\n\t\t\treturn\n\t\t}\n\t\tri.variables = append(ri.variables, ruleVariable{name: v.Name, expr: req})\n\t}\n\n\t// compile rule\n\texp, err := expr.Compile(rule.Rule, expr.AsBool())\n\tif err != nil {\n\t\tcclog.Errorf(\"error compiling rule %s: %#v\", fns, err)\n\t\treturn\n\t}\n\tri.rule = exp\n\n\t// prepare hint template\n\tri.hint, err = template.New(fns).Parse(rule.Hint)\n\tif err != nil {\n\t\tcclog.Errorf(\"error processing template %s: %#v\", fns, err)\n\t}\n\tcclog.Infof(\"prepareRule() > processing %s with %d requirements and %d variables\", fns, len(ri.requirements), len(ri.variables))\n\n\tt.rules[rule.Tag] = ri\n}\n\n// EventMatch checks if a filesystem event should trigger configuration reload.\n// It returns true if the event path contains \"jobclasses\".\nfunc (t *JobClassTagger) EventMatch(s string) bool {\n\treturn strings.Contains(s, jobClassConfigDirMatch)\n}\n\n// EventCallback is triggered when the configuration directory changes.\n// It reloads parameters and all rule files from the watched directory.\n// FIXME: Only process the file that caused the event\nfunc (t *JobClassTagger) EventCallback() {\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\tcclog.Fatal(err)\n\t}\n\n\tt.rules = make(map[string]ruleInfo)\n\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tif util.CheckFileExists(parametersFile) {\n\t\tcclog.Info(\"Merge parameters\")\n\t\tb, err := os.ReadFile(parametersFile)\n\t\tif err != nil {\n\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t}\n\n\t\tvar paramTmp map[string]any\n\t\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&paramTmp); err != nil {\n\t\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\t}\n\n\t\tmaps.Copy(t.parameters, paramTmp)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Debugf(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n}\n\nfunc (t *JobClassTagger) initParameters() error {\n\tcclog.Info(\"Initialize parameters\")\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tb, err := os.ReadFile(parametersFile)\n\tif err != nil {\n\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\treturn err\n\t}\n\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&t.parameters); err != nil {\n\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\treturn err\n\t}\n\n\treturn nil\n}\n\n// Register initializes the JobClassTagger by loading parameters and classification rules from external folder.\n// It sets up a file watch on ./var/tagger/jobclasses if it exists, allowing for\n// dynamic configuration updates without restarting the application.\n// Returns an error if the configuration path does not exist or cannot be read.\nfunc (t *JobClassTagger) Register() error {\n\tif t.cfgPath == \"\" {\n\t\tt.cfgPath = defaultJobClassConfigPath\n\t}\n\tt.tagType = tagTypeJobClass\n\tt.rules = make(map[string]ruleInfo)\n\n\tif !util.CheckFileExists(t.cfgPath) {\n\t\treturn fmt.Errorf(\"configuration path does not exist: %s\", t.cfgPath)\n\t}\n\n\terr := t.initParameters()\n\tif err != nil {\n\t\tcclog.Warnf(\"error reading parameters.json: %v\", err)\n\t\treturn err\n\t}\n\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error reading jobclasses folder: %#v\", err)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Infof(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n\n\tcclog.Infof(\"Setup file watch for %s\", t.cfgPath)\n\tutil.AddListener(t.cfgPath, t)\n\n\tt.repo = repository.GetJobRepository()\n\tt.getStatistics = archive.GetStatistics\n\tt.getMetricConfig = archive.GetMetricConfigSubCluster\n\n\treturn nil\n}\n\n// Match evaluates all classification rules against a job and applies matching tags.\n// It retrieves job statistics and metric configurations, then tests each rule's requirements\n// and main expression. For each matching rule, it:\n//   - Applies the classification tag to the job\n//   - Generates and stores a hint message based on the rule's template\n//\n// The function constructs an evaluation environment containing:\n//   - Job properties (duration, cores, nodes, state, etc.)\n//   - Metric statistics (min, max, avg) and their configured limits\n//   - Shared parameters defined in parameters.json\n//   - Computed variables from the rule definition\n//\n// Rules are evaluated in arbitrary order. Multiple rules can match and apply\n// their tags to the same job. Hint messages from all matching rules are collected\n// and stored as a combined message in the job metadata.\nfunc (t *JobClassTagger) Match(job *schema.Job) {\n\tjobStats, err := t.getStatistics(job)\n\tmetricsList := t.getMetricConfig(job.Cluster, job.SubCluster)\n\tcclog.Debugf(\"Enter match rule with %d rules for job %d\", len(t.rules), job.JobID)\n\tif err != nil {\n\t\tcclog.Errorf(\"job classification failed for job %d: %#v\", job.JobID, err)\n\t\treturn\n\t}\n\n\tid := *job.ID\n\tvar messages []string\n\n\tfor tag, ri := range t.rules {\n\t\tenv := make(map[string]any)\n\t\tmaps.Copy(env, ri.env)\n\t\tcclog.Debugf(\"Try to match rule %s for job %d\", tag, job.JobID)\n\n\t\t// Initialize environment\n\t\tenv[\"job\"] = map[string]any{\n\t\t\t\"shared\":   job.Shared,\n\t\t\t\"duration\": job.Duration,\n\t\t\t\"numCores\": job.NumHWThreads,\n\t\t\t\"numNodes\": job.NumNodes,\n\t\t\t\"jobState\": job.State,\n\t\t\t\"numAcc\":   job.NumAcc,\n\t\t\t\"smt\":      job.SMT,\n\t\t}\n\n\t\t// add metrics to env\n\t\tskipRule := false\n\t\tfor _, m := range ri.metrics {\n\t\t\tstats, ok := jobStats[m]\n\t\t\tif !ok {\n\t\t\t\tcclog.Errorf(\"job classification: missing metric '%s' for rule %s on job %d\", m, tag, job.JobID)\n\t\t\t\tskipRule = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[m] = map[string]any{\n\t\t\t\t\"min\": stats.Min,\n\t\t\t\t\"max\": stats.Max,\n\t\t\t\t\"avg\": stats.Avg,\n\t\t\t\t\"limits\": map[string]float64{\n\t\t\t\t\t\"peak\":    metricsList[m].Peak,\n\t\t\t\t\t\"normal\":  metricsList[m].Normal,\n\t\t\t\t\t\"caution\": metricsList[m].Caution,\n\t\t\t\t\t\"alert\":   metricsList[m].Alert,\n\t\t\t\t},\n\t\t\t}\n\t\t}\n\t\tif skipRule {\n\t\t\tcontinue\n\t\t}\n\n\t\t// check rule requirements apply\n\t\trequirementsMet := true\n\t\tfor _, r := range ri.requirements {\n\t\t\tok, err := expr.Run(r, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error running requirement for rule %s: %#v\", tag, err)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tif !ok.(bool) {\n\t\t\t\tcclog.Debugf(\"requirement for rule %s not met\", tag)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t}\n\t\tif !requirementsMet {\n\t\t\tcontinue\n\t\t}\n\n\t\t// evaluate rule variables\n\t\tvarError := false\n\t\tfor _, v := range ri.variables {\n\t\t\tvalue, err := expr.Run(v.expr, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error evaluating variable %s for rule %s: %#v\", v.name, tag, err)\n\t\t\t\tvarError = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[v.name] = value\n\t\t}\n\t\tif varError {\n\t\t\tcontinue\n\t\t}\n\n\t\tmatch, err := expr.Run(ri.rule, env)\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error running rule %s: %#v\", tag, err)\n\t\t\tcontinue\n\t\t}\n\t\tif match.(bool) {\n\t\t\tif !t.repo.HasTag(id, t.tagType, tag) {\n\t\t\t\tif _, err := t.repo.AddTagOrCreateDirect(id, t.tagType, tag); err != nil {\n\t\t\t\t\tcclog.Errorf(\"failed to add tag '%s' to job %d: %v\", tag, id, err)\n\t\t\t\t\tcontinue\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// process hint template\n\t\t\tvar msg bytes.Buffer\n\t\t\tif err := ri.hint.Execute(&msg, env); err != nil {\n\t\t\t\tcclog.Errorf(\"Template error: %s\", err.Error())\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tmessages = append(messages, msg.String())\n\t\t}\n\t}\n\n\tif len(messages) > 0 {\n\t\tcombined := strings.Join(messages, \"\\n\")\n\t\tif err := t.repo.UpdateMetadata(job, \"message\", combined); err != nil {\n\t\t\tcclog.Errorf(\"failed to update metadata for job %d: %v\", *job.ID, err)\n\t\t}\n\t}\n}\n","structuredPatch":[{"oldStart":112,"oldLines":6,"newStart":112,"newLines":29,"lines":["   getMetricConfig func(cluster, subCluster string) map[string]*schema.Metric"," }"," ","+// roundEnv returns a copy of env with all float64 values rounded to 2 decimal places.","+// Nested map[string]any and map[string]float64 values are recursed into.","+func roundEnv(env map[string]any) map[string]any {","+  rounded := make(map[string]any, len(env))","+  for k, v := range env {","+    switch val := v.(type) {","+    case float64:","+      rounded[k] = math.Round(val*100) / 100","+    case map[string]any:","+      rounded[k] = roundEnv(val)","+    case map[string]float64:","+      rm := make(map[string]float64, len(val))","+      for mk, mv := range val {","+        rm[mk] = math.Round(mv*100) / 100","+      }","+      rounded[k] = rm","+    default:","+      rounded[k] = v","+    }","+  }","+  return rounded","+}","+"," func (t *JobClassTagger) prepareRule(b []byte, fns string) {","   var rule RuleFormat","   if err := json.NewDecoder(bytes.NewReader(b)).Decode(&rule); err != nil {"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"7bff86cb-b16d-4665-8bb5-7e0b96b3e408"}
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{"parentUuid":"6a21b900-577a-4144-bdda-25900e944e71","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"93c63f8c-809e-42db-9531-483bd3d4c502","version":"2.1.71","gitBranch":"hotfix","slug":"imperative-coalescing-seahorse","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Vx7PVKxxNB4vvFyaXHByrP","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.go has been updated successfully."}]},"uuid":"565f59b5-04f1-470f-a3d4-eddbe057341e","timestamp":"2026-03-10T05:00:26.081Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/tagger/classifyJob.go","oldString":"\t\tif err := ri.hint.Execute(&msg, env); err != nil {","newString":"\t\tif err := ri.hint.Execute(&msg, roundEnv(env)); err != nil {","originalFile":"// 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 tagger\n\nimport (\n\t\"bytes\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"maps\"\n\t\"math\"\n\t\"os\"\n\t\"path/filepath\"\n\t\"strings\"\n\t\"text/template\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/expr-lang/expr\"\n\t\"github.com/expr-lang/expr/vm\"\n)\n\nconst (\n\t// defaultJobClassConfigPath is the default path for job classification configuration\n\tdefaultJobClassConfigPath = \"./var/tagger/jobclasses\"\n\t// tagTypeJobClass is the tag type identifier for job classification tags\n\ttagTypeJobClass = \"jobClass\"\n\t// jobClassConfigDirMatch is the directory name used for matching filesystem events\n\tjobClassConfigDirMatch = \"jobclasses\"\n\t// parametersFileName is the name of the parameters configuration file\n\tparametersFileName = \"parameters.json\"\n)\n\n// Variable defines a named expression that can be computed and reused in rules.\n// Variables are evaluated before the main rule and their results are added to the environment.\ntype Variable struct {\n\t// Name is the variable identifier used in rule expressions\n\tName string `json:\"name\"`\n\t// Expr is the expression to evaluate (must return a numeric value)\n\tExpr string `json:\"expr\"`\n}\n\ntype ruleVariable struct {\n\tname string\n\texpr *vm.Program\n}\n\n// RuleFormat defines the JSON structure for job classification rules.\n// Each rule specifies requirements, metrics to analyze, variables to compute,\n// and the final rule expression that determines if the job matches the classification.\ntype RuleFormat struct {\n\t// Name is a human-readable description of the rule\n\tName string `json:\"name\"`\n\t// Tag is the classification tag to apply if the rule matches\n\tTag string `json:\"tag\"`\n\t// Parameters are shared values referenced in the rule (e.g., thresholds)\n\tParameters []string `json:\"parameters\"`\n\t// Metrics are the job metrics required for this rule (e.g., \"cpu_load\", \"mem_used\")\n\tMetrics []string `json:\"metrics\"`\n\t// Requirements are boolean expressions that must be true for the rule to apply\n\tRequirements []string `json:\"requirements\"`\n\t// Variables are computed values used in the rule expression\n\tVariables []Variable `json:\"variables\"`\n\t// Rule is the boolean expression that determines if the job matches\n\tRule string `json:\"rule\"`\n\t// Hint is a template string that generates a message when the rule matches\n\tHint string `json:\"hint\"`\n}\n\ntype ruleInfo struct {\n\tenv          map[string]any\n\tmetrics      []string\n\trequirements []*vm.Program\n\tvariables    []ruleVariable\n\trule         *vm.Program\n\thint         *template.Template\n}\n\n// JobRepository defines the interface for job database operations needed by the tagger.\n// This interface allows for easier testing and decoupling from the concrete repository implementation.\ntype JobRepository interface {\n\t// HasTag checks if a job already has a specific tag\n\tHasTag(jobID int64, tagType string, tagName string) bool\n\t// AddTagOrCreateDirect adds a tag to a job or creates it if it doesn't exist\n\tAddTagOrCreateDirect(jobID int64, tagType string, tagName string) (tagID int64, err error)\n\t// UpdateMetadata updates job metadata with a key-value pair\n\tUpdateMetadata(job *schema.Job, key, val string) (err error)\n}\n\n// JobClassTagger classifies jobs based on configurable rules that evaluate job metrics and properties.\n// Rules are loaded from an external configuration directory and can be dynamically reloaded when files change.\n// When a job matches a rule, it is tagged with the corresponding classification and an optional hint message.\ntype JobClassTagger struct {\n\t// rules maps classification tags to their compiled rule information\n\trules map[string]ruleInfo\n\t// parameters are shared values (e.g., thresholds) used across multiple rules\n\tparameters map[string]any\n\t// tagType is the type of tag (\"jobClass\")\n\ttagType string\n\t// cfgPath is the path to watch for configuration changes\n\tcfgPath string\n\t// repo provides access to job database operations\n\trepo JobRepository\n\t// getStatistics retrieves job statistics for analysis\n\tgetStatistics func(job *schema.Job) (map[string]schema.JobStatistics, error)\n\t// getMetricConfig retrieves metric configuration (limits) for a cluster\n\tgetMetricConfig func(cluster, subCluster string) map[string]*schema.Metric\n}\n\n// roundEnv returns a copy of env with all float64 values rounded to 2 decimal places.\n// Nested map[string]any and map[string]float64 values are recursed into.\nfunc roundEnv(env map[string]any) map[string]any {\n\trounded := make(map[string]any, len(env))\n\tfor k, v := range env {\n\t\tswitch val := v.(type) {\n\t\tcase float64:\n\t\t\trounded[k] = math.Round(val*100) / 100\n\t\tcase map[string]any:\n\t\t\trounded[k] = roundEnv(val)\n\t\tcase map[string]float64:\n\t\t\trm := make(map[string]float64, len(val))\n\t\t\tfor mk, mv := range val {\n\t\t\t\trm[mk] = math.Round(mv*100) / 100\n\t\t\t}\n\t\t\trounded[k] = rm\n\t\tdefault:\n\t\t\trounded[k] = v\n\t\t}\n\t}\n\treturn rounded\n}\n\nfunc (t *JobClassTagger) prepareRule(b []byte, fns string) {\n\tvar rule RuleFormat\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&rule); err != nil {\n\t\tcclog.Warn(\"Error while decoding raw job meta json\")\n\t\treturn\n\t}\n\n\tri := ruleInfo{}\n\tri.env = make(map[string]any)\n\tri.metrics = make([]string, 0)\n\tri.requirements = make([]*vm.Program, 0)\n\tri.variables = make([]ruleVariable, 0)\n\n\t// check if all required parameters are available\n\tfor _, p := range rule.Parameters {\n\t\tparam, ok := t.parameters[p]\n\t\tif !ok {\n\t\t\tcclog.Warnf(\"prepareRule() > missing parameter %s in rule %s\", p, fns)\n\t\t\treturn\n\t\t}\n\t\tri.env[p] = param\n\t}\n\n\t// set all required metrics\n\tri.metrics = append(ri.metrics, rule.Metrics...)\n\n\t// compile requirements\n\tfor _, r := range rule.Requirements {\n\t\treq, err := expr.Compile(r, expr.AsBool())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", r, err)\n\t\t\treturn\n\t\t}\n\t\tri.requirements = append(ri.requirements, req)\n\t}\n\n\t// compile variables\n\tfor _, v := range rule.Variables {\n\t\treq, err := expr.Compile(v.Expr, expr.AsFloat64())\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error compiling requirement %s: %#v\", v.Name, err)\n\t\t\treturn\n\t\t}\n\t\tri.variables = append(ri.variables, ruleVariable{name: v.Name, expr: req})\n\t}\n\n\t// compile rule\n\texp, err := expr.Compile(rule.Rule, expr.AsBool())\n\tif err != nil {\n\t\tcclog.Errorf(\"error compiling rule %s: %#v\", fns, err)\n\t\treturn\n\t}\n\tri.rule = exp\n\n\t// prepare hint template\n\tri.hint, err = template.New(fns).Parse(rule.Hint)\n\tif err != nil {\n\t\tcclog.Errorf(\"error processing template %s: %#v\", fns, err)\n\t}\n\tcclog.Infof(\"prepareRule() > processing %s with %d requirements and %d variables\", fns, len(ri.requirements), len(ri.variables))\n\n\tt.rules[rule.Tag] = ri\n}\n\n// EventMatch checks if a filesystem event should trigger configuration reload.\n// It returns true if the event path contains \"jobclasses\".\nfunc (t *JobClassTagger) EventMatch(s string) bool {\n\treturn strings.Contains(s, jobClassConfigDirMatch)\n}\n\n// EventCallback is triggered when the configuration directory changes.\n// It reloads parameters and all rule files from the watched directory.\n// FIXME: Only process the file that caused the event\nfunc (t *JobClassTagger) EventCallback() {\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\tcclog.Fatal(err)\n\t}\n\n\tt.rules = make(map[string]ruleInfo)\n\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tif util.CheckFileExists(parametersFile) {\n\t\tcclog.Info(\"Merge parameters\")\n\t\tb, err := os.ReadFile(parametersFile)\n\t\tif err != nil {\n\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t}\n\n\t\tvar paramTmp map[string]any\n\t\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&paramTmp); err != nil {\n\t\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\t}\n\n\t\tmaps.Copy(t.parameters, paramTmp)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Debugf(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n}\n\nfunc (t *JobClassTagger) initParameters() error {\n\tcclog.Info(\"Initialize parameters\")\n\tparametersFile := filepath.Join(t.cfgPath, parametersFileName)\n\tb, err := os.ReadFile(parametersFile)\n\tif err != nil {\n\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\treturn err\n\t}\n\n\tif err := json.NewDecoder(bytes.NewReader(b)).Decode(&t.parameters); err != nil {\n\t\tcclog.Warn(\"Error while decoding parameters.json\")\n\t\treturn err\n\t}\n\n\treturn nil\n}\n\n// Register initializes the JobClassTagger by loading parameters and classification rules from external folder.\n// It sets up a file watch on ./var/tagger/jobclasses if it exists, allowing for\n// dynamic configuration updates without restarting the application.\n// Returns an error if the configuration path does not exist or cannot be read.\nfunc (t *JobClassTagger) Register() error {\n\tif t.cfgPath == \"\" {\n\t\tt.cfgPath = defaultJobClassConfigPath\n\t}\n\tt.tagType = tagTypeJobClass\n\tt.rules = make(map[string]ruleInfo)\n\n\tif !util.CheckFileExists(t.cfgPath) {\n\t\treturn fmt.Errorf(\"configuration path does not exist: %s\", t.cfgPath)\n\t}\n\n\terr := t.initParameters()\n\tif err != nil {\n\t\tcclog.Warnf(\"error reading parameters.json: %v\", err)\n\t\treturn err\n\t}\n\n\tfiles, err := os.ReadDir(t.cfgPath)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error reading jobclasses folder: %#v\", err)\n\t}\n\n\tfor _, fn := range files {\n\t\tfns := fn.Name()\n\t\tif fns != parametersFileName {\n\t\t\tcclog.Infof(\"Process: %s\", fns)\n\t\t\tfilename := filepath.Join(t.cfgPath, fns)\n\n\t\t\tb, err := os.ReadFile(filename)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Warnf(\"prepareRule() > open file error: %v\", err)\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tt.prepareRule(b, fns)\n\t\t}\n\t}\n\n\tcclog.Infof(\"Setup file watch for %s\", t.cfgPath)\n\tutil.AddListener(t.cfgPath, t)\n\n\tt.repo = repository.GetJobRepository()\n\tt.getStatistics = archive.GetStatistics\n\tt.getMetricConfig = archive.GetMetricConfigSubCluster\n\n\treturn nil\n}\n\n// Match evaluates all classification rules against a job and applies matching tags.\n// It retrieves job statistics and metric configurations, then tests each rule's requirements\n// and main expression. For each matching rule, it:\n//   - Applies the classification tag to the job\n//   - Generates and stores a hint message based on the rule's template\n//\n// The function constructs an evaluation environment containing:\n//   - Job properties (duration, cores, nodes, state, etc.)\n//   - Metric statistics (min, max, avg) and their configured limits\n//   - Shared parameters defined in parameters.json\n//   - Computed variables from the rule definition\n//\n// Rules are evaluated in arbitrary order. Multiple rules can match and apply\n// their tags to the same job. Hint messages from all matching rules are collected\n// and stored as a combined message in the job metadata.\nfunc (t *JobClassTagger) Match(job *schema.Job) {\n\tjobStats, err := t.getStatistics(job)\n\tmetricsList := t.getMetricConfig(job.Cluster, job.SubCluster)\n\tcclog.Debugf(\"Enter match rule with %d rules for job %d\", len(t.rules), job.JobID)\n\tif err != nil {\n\t\tcclog.Errorf(\"job classification failed for job %d: %#v\", job.JobID, err)\n\t\treturn\n\t}\n\n\tid := *job.ID\n\tvar messages []string\n\n\tfor tag, ri := range t.rules {\n\t\tenv := make(map[string]any)\n\t\tmaps.Copy(env, ri.env)\n\t\tcclog.Debugf(\"Try to match rule %s for job %d\", tag, job.JobID)\n\n\t\t// Initialize environment\n\t\tenv[\"job\"] = map[string]any{\n\t\t\t\"shared\":   job.Shared,\n\t\t\t\"duration\": job.Duration,\n\t\t\t\"numCores\": job.NumHWThreads,\n\t\t\t\"numNodes\": job.NumNodes,\n\t\t\t\"jobState\": job.State,\n\t\t\t\"numAcc\":   job.NumAcc,\n\t\t\t\"smt\":      job.SMT,\n\t\t}\n\n\t\t// add metrics to env\n\t\tskipRule := false\n\t\tfor _, m := range ri.metrics {\n\t\t\tstats, ok := jobStats[m]\n\t\t\tif !ok {\n\t\t\t\tcclog.Errorf(\"job classification: missing metric '%s' for rule %s on job %d\", m, tag, job.JobID)\n\t\t\t\tskipRule = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[m] = map[string]any{\n\t\t\t\t\"min\": stats.Min,\n\t\t\t\t\"max\": stats.Max,\n\t\t\t\t\"avg\": stats.Avg,\n\t\t\t\t\"limits\": map[string]float64{\n\t\t\t\t\t\"peak\":    metricsList[m].Peak,\n\t\t\t\t\t\"normal\":  metricsList[m].Normal,\n\t\t\t\t\t\"caution\": metricsList[m].Caution,\n\t\t\t\t\t\"alert\":   metricsList[m].Alert,\n\t\t\t\t},\n\t\t\t}\n\t\t}\n\t\tif skipRule {\n\t\t\tcontinue\n\t\t}\n\n\t\t// check rule requirements apply\n\t\trequirementsMet := true\n\t\tfor _, r := range ri.requirements {\n\t\t\tok, err := expr.Run(r, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error running requirement for rule %s: %#v\", tag, err)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tif !ok.(bool) {\n\t\t\t\tcclog.Debugf(\"requirement for rule %s not met\", tag)\n\t\t\t\trequirementsMet = false\n\t\t\t\tbreak\n\t\t\t}\n\t\t}\n\t\tif !requirementsMet {\n\t\t\tcontinue\n\t\t}\n\n\t\t// evaluate rule variables\n\t\tvarError := false\n\t\tfor _, v := range ri.variables {\n\t\t\tvalue, err := expr.Run(v.expr, env)\n\t\t\tif err != nil {\n\t\t\t\tcclog.Errorf(\"error evaluating variable %s for rule %s: %#v\", v.name, tag, err)\n\t\t\t\tvarError = true\n\t\t\t\tbreak\n\t\t\t}\n\t\t\tenv[v.name] = value\n\t\t}\n\t\tif varError {\n\t\t\tcontinue\n\t\t}\n\n\t\tmatch, err := expr.Run(ri.rule, env)\n\t\tif err != nil {\n\t\t\tcclog.Errorf(\"error running rule %s: %#v\", tag, err)\n\t\t\tcontinue\n\t\t}\n\t\tif match.(bool) {\n\t\t\tif !t.repo.HasTag(id, t.tagType, tag) {\n\t\t\t\tif _, err := t.repo.AddTagOrCreateDirect(id, t.tagType, tag); err != nil {\n\t\t\t\t\tcclog.Errorf(\"failed to add tag '%s' to job %d: %v\", tag, id, err)\n\t\t\t\t\tcontinue\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// process hint template\n\t\t\tvar msg bytes.Buffer\n\t\t\tif err := ri.hint.Execute(&msg, env); err != nil {\n\t\t\t\tcclog.Errorf(\"Template error: %s\", err.Error())\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tmessages = append(messages, msg.String())\n\t\t}\n\t}\n\n\tif len(messages) > 0 {\n\t\tcombined := strings.Join(messages, \"\\n\")\n\t\tif err := t.repo.UpdateMetadata(job, \"message\", combined); err != nil {\n\t\t\tcclog.Errorf(\"failed to update metadata for job %d: %v\", *job.ID, err)\n\t\t}\n\t}\n}\n","structuredPatch":[{"oldStart":432,"oldLines":7,"newStart":432,"newLines":7,"lines":[" ","       // process hint template","       var msg bytes.Buffer","-      if err := ri.hint.Execute(&msg, env); err != nil {","+      if err := ri.hint.Execute(&msg, roundEnv(env)); err != nil {","         cclog.Errorf(\"Template error: %s\", err.Error())","         continue","       }"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"6a21b900-577a-4144-bdda-25900e944e71"}
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