From 7c42fc3a4ec30a94ed4072446925f6b975c599c5 Mon Sep 17 00:00:00 2001 From: Jan Eitzinger Date: Mon, 23 Mar 2026 07:58:35 +0100 Subject: [PATCH] Checkpoint: 29b9d52db89c Entire-Session: 8ab761c6-59d1-48a4-99a5-cd20349df5df Entire-Strategy: manual-commit Entire-Agent: Claude Code Ephemeral-branch: entire/192c94a-e3b0c4 --- 29/b9d52db89c/0/content_hash.txt | 1 + 29/b9d52db89c/0/full.jsonl | 58 ++++++++++++++++++++++++++++++++ 29/b9d52db89c/0/metadata.json | 34 +++++++++++++++++++ 29/b9d52db89c/metadata.json | 26 ++++++++++++++ 4 files changed, 119 insertions(+) create mode 100644 29/b9d52db89c/0/content_hash.txt create mode 100644 29/b9d52db89c/0/full.jsonl create mode 100644 29/b9d52db89c/0/metadata.json create mode 100644 29/b9d52db89c/metadata.json diff --git a/29/b9d52db89c/0/content_hash.txt b/29/b9d52db89c/0/content_hash.txt new file mode 100644 index 00000000..c1ec1ef9 --- /dev/null +++ b/29/b9d52db89c/0/content_hash.txt @@ -0,0 +1 @@ +sha256:eae47fb88fdeb754055df85f373f51a01b8690ba048db1cd1488c75ca7c018e8 \ No newline at end of file diff --git a/29/b9d52db89c/0/full.jsonl b/29/b9d52db89c/0/full.jsonl new file mode 100644 index 00000000..5b41511a --- /dev/null +++ b/29/b9d52db89c/0/full.jsonl @@ -0,0 +1,58 @@ +{"type":"file-history-snapshot","messageId":"e3b0c5e8-6548-4c39-bcd5-cd7bb9fdb088","snapshot":{"messageId":"e3b0c5e8-6548-4c39-bcd5-cd7bb9fdb088","trackedFileBackups":{},"timestamp":"2026-03-23T06:56:07.599Z"},"isSnapshotUpdate":false} +{"parentUuid":null,"isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"SessionStart","hookName":"SessionStart:clear","command":"entire hooks claude-code session-start"},"parentToolUseID":"8b9dd897-d6fc-4e3f-9313-ddb728f1744a","toolUseID":"8b9dd897-d6fc-4e3f-9313-ddb728f1744a","timestamp":"2026-03-23T06:56:07.546Z","uuid":"bd287dc0-46fd-4ba0-add9-440534d00e51","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"bd287dc0-46fd-4ba0-add9-440534d00e51","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":"Implement the following plan:\n\n# Add CLI Flag: `-cleanup-checkpoints`\n\n## Context\n\nCheckpoint cleanup currently only runs as a background worker during server operation (interval = `RetentionInMemory`). There's no way to trigger it manually — useful for maintenance, disk space recovery, or running cleanup without starting the full server.\n\n## Approach\n\nAdd a `-cleanup-checkpoints` flag that runs `metricstore.CleanupCheckpoints()` on the checkpoint directory and exits. It needs the metricstore config (for `Keys.Checkpoints.RootDir`, `Keys.Cleanup`, `Keys.NumWorkers`) but does **not** need the full `Init` (no checkpoint loading, no background goroutines, no in-memory store).\n\n## Changes\n\n### 1. `cmd/cc-backend/cli.go` — add flag\n\nAdd `flagCleanupCheckpoints bool` to the var block and register it:\n```go\nflag.BoolVar(&flagCleanupCheckpoints, \"cleanup-checkpoints\", false,\n \"Clean up old checkpoint files (delete or archive) based on retention settings, then exit\")\n```\n\n### 2. `cmd/cc-backend/main.go` — handle flag\n\nInsert after `initSubsystems()` (which initializes the archive needed for config), before the `flagServer` check. The handler:\n\n1. Loads the metricstore config from `ccconf.GetPackageConfig(\"metric-store\")` and decodes it into `metricstore.Keys`\n2. Sets `NumWorkers` default if not configured\n3. Computes the `from` timestamp from `Keys.RetentionInMemory`\n4. Calls `metricstore.CleanupCheckpoints()`\n5. Logs result and exits\n\n```go\nif flagCleanupCheckpoints {\n mscfg := ccconf.GetPackageConfig(\"metric-store\")\n if mscfg == nil {\n return fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")\n }\n // Decode config into Keys without full Init\n if err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {\n return fmt.Errorf(\"decoding metric-store config: %w\", err)\n }\n if metricstore.Keys.NumWorkers <= 0 {\n metricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)\n }\n\n d, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)\n if err != nil {\n return fmt.Errorf(\"parsing retention-in-memory: %w\", err)\n }\n from := time.Now().Add(-d)\n deleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"\n cleanupDir := \"\"\n if !deleteMode {\n cleanupDir = metricstore.Keys.Cleanup.RootDir\n }\n\n cclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))\n n, err := metricstore.CleanupCheckpoints(\n metricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)\n if err != nil {\n return fmt.Errorf(\"checkpoint cleanup: %w\", err)\n }\n if deleteMode {\n cclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)\n } else {\n cclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)\n }\n}\n```\n\n## Files to modify\n\n- `cmd/cc-backend/cli.go` — add flag variable and registration\n- `cmd/cc-backend/main.go` — add handler block + `\"runtime\"` import\n\n## Verification\n\n- `go build ./cmd/cc-backend/...`\n- `go vet ./cmd/cc-backend/...`\n- `./cc-backend -cleanup-checkpoints` (with valid config.json containing metric-store section)\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/6e440bb3-9fe0-4091-899c-996b475e09f2.jsonl"},"uuid":"e3b0c5e8-6548-4c39-bcd5-cd7bb9fdb088","timestamp":"2026-03-23T06:56:07.398Z","planContent":"# Add CLI Flag: `-cleanup-checkpoints`\n\n## Context\n\nCheckpoint cleanup currently only runs as a background worker during server operation (interval = `RetentionInMemory`). There's no way to trigger it manually — useful for maintenance, disk space recovery, or running cleanup without starting the full server.\n\n## Approach\n\nAdd a `-cleanup-checkpoints` flag that runs `metricstore.CleanupCheckpoints()` on the checkpoint directory and exits. It needs the metricstore config (for `Keys.Checkpoints.RootDir`, `Keys.Cleanup`, `Keys.NumWorkers`) but does **not** need the full `Init` (no checkpoint loading, no background goroutines, no in-memory store).\n\n## Changes\n\n### 1. `cmd/cc-backend/cli.go` — add flag\n\nAdd `flagCleanupCheckpoints bool` to the var block and register it:\n```go\nflag.BoolVar(&flagCleanupCheckpoints, \"cleanup-checkpoints\", false,\n \"Clean up old checkpoint files (delete or archive) based on retention settings, then exit\")\n```\n\n### 2. `cmd/cc-backend/main.go` — handle flag\n\nInsert after `initSubsystems()` (which initializes the archive needed for config), before the `flagServer` check. The handler:\n\n1. Loads the metricstore config from `ccconf.GetPackageConfig(\"metric-store\")` and decodes it into `metricstore.Keys`\n2. Sets `NumWorkers` default if not configured\n3. Computes the `from` timestamp from `Keys.RetentionInMemory`\n4. Calls `metricstore.CleanupCheckpoints()`\n5. Logs result and exits\n\n```go\nif flagCleanupCheckpoints {\n mscfg := ccconf.GetPackageConfig(\"metric-store\")\n if mscfg == nil {\n return fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")\n }\n // Decode config into Keys without full Init\n if err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {\n return fmt.Errorf(\"decoding metric-store config: %w\", err)\n }\n if metricstore.Keys.NumWorkers <= 0 {\n metricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)\n }\n\n d, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)\n if err != nil {\n return fmt.Errorf(\"parsing retention-in-memory: %w\", err)\n }\n from := time.Now().Add(-d)\n deleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"\n cleanupDir := \"\"\n if !deleteMode {\n cleanupDir = metricstore.Keys.Cleanup.RootDir\n }\n\n cclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))\n n, err := metricstore.CleanupCheckpoints(\n metricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)\n if err != nil {\n return fmt.Errorf(\"checkpoint cleanup: %w\", err)\n }\n if deleteMode {\n cclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)\n } else {\n cclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)\n }\n}\n```\n\n## Files to modify\n\n- `cmd/cc-backend/cli.go` — add flag variable and registration\n- `cmd/cc-backend/main.go` — add handler block + `\"runtime\"` import\n\n## Verification\n\n- `go build ./cmd/cc-backend/...`\n- `go vet ./cmd/cc-backend/...`\n- `./cc-backend -cleanup-checkpoints` (with valid config.json containing metric-store section)\n","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} 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modify."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":11358,"cache_read_input_tokens":8658,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":11358},"output_tokens":2,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZKaJo4NPhFzvpqTs59uB","type":"assistant","uuid":"b4a0d74a-6199-44dd-8b90-799f43fb2d47","timestamp":"2026-03-23T06:56:10.371Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} 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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 main provides the entry point for the ClusterCockpit backend server.\n 7→// This file defines all command-line flags and their default values.\n 8→package main\n 9→\n 10→import \"flag\"\n 11→\n 12→var (\n 13→\tflagReinitDB, flagInit, flagServer, flagSyncLDAP, flagGops, flagMigrateDB, flagRevertDB,\n 14→\tflagForceDB, flagDev, flagVersion, flagLogDateTime, flagApplyTags, flagOptimizeDB bool\n 15→\tflagNewUser, flagDelUser, flagGenJWT, flagConfigFile, flagImportJob, flagLogLevel string\n 16→)\n 17→\n 18→func cliInit() {\n 19→\tflag.BoolVar(&flagInit, \"init\", false, \"Setup var directory, initialize sqlite database file, config.json and .env\")\n 20→\tflag.BoolVar(&flagReinitDB, \"init-db\", false, \"Go through job-archive and re-initialize the 'job', 'tag', and 'jobtag' tables (all running jobs will be lost!)\")\n 21→\tflag.BoolVar(&flagSyncLDAP, \"sync-ldap\", false, \"Sync the 'hpc_user' table with ldap\")\n 22→\tflag.BoolVar(&flagServer, \"server\", false, \"Start a server, continues listening on port after initialization and argument handling\")\n 23→\tflag.BoolVar(&flagGops, \"gops\", false, \"Listen via github.com/google/gops/agent (for debugging)\")\n 24→\tflag.BoolVar(&flagDev, \"dev\", false, \"Enable development components: GraphQL Playground and Swagger UI\")\n 25→\tflag.BoolVar(&flagVersion, \"version\", false, \"Show version information and exit\")\n 26→\tflag.BoolVar(&flagMigrateDB, \"migrate-db\", false, \"Migrate database to supported version and exit\")\n 27→\tflag.BoolVar(&flagRevertDB, \"revert-db\", false, \"Migrate database to previous version and exit\")\n 28→\tflag.BoolVar(&flagApplyTags, \"apply-tags\", false, \"Run taggers on all completed jobs and exit\")\n 29→\tflag.BoolVar(&flagForceDB, \"force-db\", false, \"Force database version, clear dirty flag and exit\")\n 30→\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")\n 31→\tflag.BoolVar(&flagLogDateTime, \"logdate\", false, \"Set this flag to add date and time to log messages\")\n 32→\tflag.StringVar(&flagConfigFile, \"config\", \"./config.json\", \"Specify alternative path to `config.json`\")\n 33→\tflag.StringVar(&flagNewUser, \"add-user\", \"\", \"Add a new user. Argument format: :[admin,support,manager,api,user]:\")\n 34→\tflag.StringVar(&flagDelUser, \"del-user\", \"\", \"Remove a existing user. Argument format: \")\n 35→\tflag.StringVar(&flagGenJWT, \"jwt\", \"\", \"Generate and print a JWT for the user specified by its `username`\")\n 36→\tflag.StringVar(&flagImportJob, \"import-job\", \"\", \"Import a job. Argument format: `:,...`\")\n 37→\tflag.StringVar(&flagLogLevel, \"loglevel\", \"warn\", \"Sets the logging level: `[debug, info , warn (default), err, crit]`\")\n 38→\tflag.Parse()\n 39→}\n 40→"}]},"uuid":"5e5510f3-416c-4a5b-a321-eae6e2fa59e0","timestamp":"2026-03-23T06:56:11.344Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/cli.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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// This file defines all command-line flags and their default values.\npackage main\n\nimport \"flag\"\n\nvar (\n\tflagReinitDB, flagInit, flagServer, flagSyncLDAP, flagGops, flagMigrateDB, flagRevertDB,\n\tflagForceDB, flagDev, flagVersion, flagLogDateTime, flagApplyTags, flagOptimizeDB bool\n\tflagNewUser, flagDelUser, flagGenJWT, flagConfigFile, flagImportJob, flagLogLevel string\n)\n\nfunc cliInit() {\n\tflag.BoolVar(&flagInit, \"init\", false, \"Setup var directory, initialize sqlite database file, config.json and .env\")\n\tflag.BoolVar(&flagReinitDB, \"init-db\", false, \"Go through job-archive and re-initialize the 'job', 'tag', and 'jobtag' tables (all running jobs will be lost!)\")\n\tflag.BoolVar(&flagSyncLDAP, \"sync-ldap\", false, \"Sync the 'hpc_user' table with ldap\")\n\tflag.BoolVar(&flagServer, \"server\", false, \"Start a server, continues listening on port after initialization and argument handling\")\n\tflag.BoolVar(&flagGops, \"gops\", false, \"Listen via github.com/google/gops/agent (for debugging)\")\n\tflag.BoolVar(&flagDev, \"dev\", false, \"Enable development components: GraphQL Playground and Swagger UI\")\n\tflag.BoolVar(&flagVersion, \"version\", false, \"Show version information and exit\")\n\tflag.BoolVar(&flagMigrateDB, \"migrate-db\", false, \"Migrate database to supported version and exit\")\n\tflag.BoolVar(&flagRevertDB, \"revert-db\", false, \"Migrate database to previous version and exit\")\n\tflag.BoolVar(&flagApplyTags, \"apply-tags\", false, \"Run taggers on all completed jobs and exit\")\n\tflag.BoolVar(&flagForceDB, \"force-db\", false, \"Force database version, clear dirty flag and exit\")\n\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")\n\tflag.BoolVar(&flagLogDateTime, \"logdate\", false, \"Set this flag to add date and time to log messages\")\n\tflag.StringVar(&flagConfigFile, \"config\", \"./config.json\", \"Specify alternative path to `config.json`\")\n\tflag.StringVar(&flagNewUser, \"add-user\", \"\", \"Add a new user. Argument format: :[admin,support,manager,api,user]:\")\n\tflag.StringVar(&flagDelUser, \"del-user\", \"\", \"Remove a existing user. Argument format: \")\n\tflag.StringVar(&flagGenJWT, \"jwt\", \"\", \"Generate and print a JWT for the user specified by its `username`\")\n\tflag.StringVar(&flagImportJob, \"import-job\", \"\", \"Import a job. Argument format: `:,...`\")\n\tflag.StringVar(&flagLogLevel, \"loglevel\", \"warn\", \"Sets the logging level: `[debug, info , warn (default), err, crit]`\")\n\tflag.Parse()\n}\n","numLines":40,"startLine":1,"totalLines":40}},"sourceToolAssistantUUID":"d142ec3f-d462-42e4-8f4f-39c07a1baf12","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"5e5510f3-416c-4a5b-a321-eae6e2fa59e0","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01NA5jrFkQpaFzkWvJPEZyEC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_019KZqqaAFRmSw6gYFmFAgya","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":11358,"cache_read_input_tokens":8658,"output_tokens":155,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":11358,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZKaJo4NPhFzvpqTs59uB","type":"assistant","uuid":"77919bdb-43ca-4389-9f03-8c137f47e98c","timestamp":"2026-03-23T06:56:11.375Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"77919bdb-43ca-4389-9f03-8c137f47e98c","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_019KZqqaAFRmSw6gYFmFAgya","toolUseID":"toolu_019KZqqaAFRmSw6gYFmFAgya","timestamp":"2026-03-23T06:56:11.580Z","uuid":"5534fa7c-f952-46de-8896-f7c8de95a5d3","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"77919bdb-43ca-4389-9f03-8c137f47e98c","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019KZqqaAFRmSw6gYFmFAgya","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 main provides the entry point for the ClusterCockpit backend server.\n 7→// It orchestrates initialization of all subsystems including configuration,\n 8→// database, authentication, and the HTTP server.\n 9→package main\n 10→\n 11→import (\n 12→\t\"context\"\n 13→\t\"encoding/json\"\n 14→\t\"fmt\"\n 15→\t\"os\"\n 16→\t\"os/signal\"\n 17→\t\"runtime/debug\"\n 18→\t\"strings\"\n 19→\t\"sync\"\n 20→\t\"syscall\"\n 21→\t\"time\"\n 22→\n 23→\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n 24→\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\n 25→\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n 26→\t\"github.com/ClusterCockpit/cc-backend/internal/importer\"\n 27→\t\"github.com/ClusterCockpit/cc-backend/internal/metricdispatch\"\n 28→\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n 29→\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n 30→\t\"github.com/ClusterCockpit/cc-backend/internal/taskmanager\"\n 31→\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n 32→\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n 33→\t\"github.com/ClusterCockpit/cc-backend/web\"\n 34→\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n 35→\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n 36→\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n 37→\t\"github.com/ClusterCockpit/cc-lib/v2/runtime\"\n 38→\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n 39→\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n 40→\t\"github.com/google/gops/agent\"\n 41→\t\"github.com/joho/godotenv\"\n 42→\n 43→\t_ \"github.com/mattn/go-sqlite3\"\n 44→)\n 45→\n 46→const logoString = `\n 47→ _____ _ _ ____ _ _ _\n 48→/ ___| |_ _ ___| |_ ___ _ __ / ___|___ ___| | ___ __ (_) |_\n 49→| | | | | | / __| __/ _ \\ '__| | / _ \\ / __| |/ / '_ \\| | __|\n 50→| |___| | |_| \\__ \\ || __/ | | |__| (_) | (__| <| |_) | | |_\n 51→\\_____|_|\\__,_|___/\\__\\___|_| \\____\\___/ \\___|_|\\_\\ .__/|_|\\__|\n 52→ |_|\n 53→`\n 54→\n 55→// Environment variable names\n 56→const (\n 57→\tenvGOGC = \"GOGC\"\n 58→)\n 59→\n 60→// Default configurations\n 61→const (\n 62→\tdefaultArchiveConfig = `{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`\n 63→)\n 64→\n 65→var (\n 66→\tdate string\n 67→\tcommit string\n 68→\tversion string\n 69→)\n 70→\n 71→func printVersion() {\n 72→\tfmt.Print(logoString)\n 73→\tfmt.Printf(\"Version:\\t%s\\n\", version)\n 74→\tfmt.Printf(\"Git hash:\\t%s\\n\", commit)\n 75→\tfmt.Printf(\"Build time:\\t%s\\n\", date)\n 76→\tfmt.Printf(\"SQL db version:\\t%d\\n\", repository.Version)\n 77→\tfmt.Printf(\"Job archive version:\\t%d\\n\", archive.Version)\n 78→}\n 79→\n 80→func initGops() error {\n 81→\tif !flagGops {\n 82→\t\treturn nil\n 83→\t}\n 84→\n 85→\tif err := agent.Listen(agent.Options{}); err != nil {\n 86→\t\treturn fmt.Errorf(\"starting gops agent: %w\", err)\n 87→\t}\n 88→\treturn nil\n 89→}\n 90→\n 91→func loadEnvironment() error {\n 92→\tif err := godotenv.Load(); err != nil {\n 93→\t\treturn fmt.Errorf(\"loading .env file: %w\", err)\n 94→\t}\n 95→\treturn nil\n 96→}\n 97→\n 98→func initConfiguration() error {\n 99→\tccconf.Init(flagConfigFile)\n 100→\n 101→\tcfg := ccconf.GetPackageConfig(\"main\")\n 102→\tif cfg == nil {\n 103→\t\treturn fmt.Errorf(\"main configuration must be present\")\n 104→\t}\n 105→\n 106→\tconfig.Init(cfg)\n 107→\treturn nil\n 108→}\n 109→\n 110→func initDatabase() error {\n 111→\tif config.Keys.DbConfig != nil {\n 112→\t\tcfg := repository.DefaultConfig()\n 113→\t\tdc := config.Keys.DbConfig\n 114→\t\tif dc.CacheSizeMB > 0 {\n 115→\t\t\tcfg.DbCacheSizeMB = dc.CacheSizeMB\n 116→\t\t}\n 117→\t\tif dc.SoftHeapLimitMB > 0 {\n 118→\t\t\tcfg.DbSoftHeapLimitMB = dc.SoftHeapLimitMB\n 119→\t\t}\n 120→\t\tif dc.MaxOpenConnections > 0 {\n 121→\t\t\tcfg.MaxOpenConnections = dc.MaxOpenConnections\n 122→\t\t}\n 123→\t\tif dc.MaxIdleConnections > 0 {\n 124→\t\t\tcfg.MaxIdleConnections = dc.MaxIdleConnections\n 125→\t\t}\n 126→\t\tif dc.ConnectionMaxIdleTimeMins > 0 {\n 127→\t\t\tcfg.ConnectionMaxIdleTime = time.Duration(dc.ConnectionMaxIdleTimeMins) * time.Minute\n 128→\t\t}\n 129→\t\tif dc.BusyTimeoutMs > 0 {\n 130→\t\t\tcfg.BusyTimeoutMs = dc.BusyTimeoutMs\n 131→\t\t}\n 132→\t\trepository.SetConfig(cfg)\n 133→\t}\n 134→\trepository.Connect(config.Keys.DB)\n 135→\treturn nil\n 136→}\n 137→\n 138→func handleDatabaseCommands() error {\n 139→\tif flagMigrateDB {\n 140→\t\terr := repository.MigrateDB(config.Keys.DB)\n 141→\t\tif err != nil {\n 142→\t\t\treturn fmt.Errorf(\"migrating database to version %d: %w\", repository.Version, err)\n 143→\t\t}\n 144→\t\tcclog.Exitf(\"MigrateDB Success: Migrated SQLite database at '%s' to version %d.\\n\",\n 145→\t\t\tconfig.Keys.DB, repository.Version)\n 146→\t}\n 147→\n 148→\tif flagRevertDB {\n 149→\t\terr := repository.RevertDB(config.Keys.DB)\n 150→\t\tif err != nil {\n 151→\t\t\treturn fmt.Errorf(\"reverting database to version %d: %w\", repository.Version-1, err)\n 152→\t\t}\n 153→\t\tcclog.Exitf(\"RevertDB Success: Reverted SQLite database at '%s' to version %d.\\n\",\n 154→\t\t\tconfig.Keys.DB, repository.Version-1)\n 155→\t}\n 156→\n 157→\tif flagForceDB {\n 158→\t\terr := repository.ForceDB(config.Keys.DB)\n 159→\t\tif err != nil {\n 160→\t\t\treturn fmt.Errorf(\"forcing database to version %d: %w\", repository.Version, err)\n 161→\t\t}\n 162→\t\tcclog.Exitf(\"ForceDB Success: Forced SQLite database at '%s' to version %d.\\n\",\n 163→\t\t\tconfig.Keys.DB, repository.Version)\n 164→\t}\n 165→\n 166→\treturn nil\n 167→}\n 168→\n 169→func handleUserCommands() error {\n 170→\tif config.Keys.DisableAuthentication && (flagNewUser != \"\" || flagDelUser != \"\") {\n 171→\t\treturn fmt.Errorf(\"--add-user and --del-user can only be used if authentication is enabled\")\n 172→\t}\n 173→\n 174→\tif !config.Keys.DisableAuthentication {\n 175→\t\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n 176→\t\t\tauth.Init(&cfg)\n 177→\t\t} else {\n 178→\t\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n 179→\t\t\tauth.Init(nil)\n 180→\t\t}\n 181→\n 182→\t\t// Check for default security keys\n 183→\t\tcheckDefaultSecurityKeys()\n 184→\n 185→\t\tif flagNewUser != \"\" {\n 186→\t\t\tif err := addUser(flagNewUser); err != nil {\n 187→\t\t\t\treturn err\n 188→\t\t\t}\n 189→\t\t}\n 190→\n 191→\t\tif flagDelUser != \"\" {\n 192→\t\t\tif err := delUser(flagDelUser); err != nil {\n 193→\t\t\t\treturn err\n 194→\t\t\t}\n 195→\t\t}\n 196→\n 197→\t\tauthHandle := auth.GetAuthInstance()\n 198→\n 199→\t\tif flagSyncLDAP {\n 200→\t\t\tif err := syncLDAP(authHandle); err != nil {\n 201→\t\t\t\treturn err\n 202→\t\t\t}\n 203→\t\t}\n 204→\n 205→\t\tif flagGenJWT != \"\" {\n 206→\t\t\tif err := generateJWT(authHandle, flagGenJWT); err != nil {\n 207→\t\t\t\treturn err\n 208→\t\t\t}\n 209→\t\t}\n 210→\t}\n 211→\n 212→\treturn nil\n 213→}\n 214→\n 215→// checkDefaultSecurityKeys warns if default JWT keys are detected\n 216→func checkDefaultSecurityKeys() {\n 217→\t// Default JWT public key from init.go\n 218→\tdefaultJWTPublic := \"REDACTED\"\n 219→\n 220→\tif os.Getenv(\"JWT_PUBLIC_KEY\") == defaultJWTPublic {\n 221→\t\tcclog.Warn(\"Using default JWT keys - not recommended for production environments\")\n 222→\t}\n 223→}\n 224→\n 225→func addUser(userSpec string) error {\n 226→\tparts := strings.SplitN(userSpec, \":\", 3)\n 227→\tif len(parts) != 3 || len(parts[0]) == 0 {\n 228→\t\treturn fmt.Errorf(\"invalid user format, want: :[admin,support,manager,api,user]:, have: %s\", userSpec)\n 229→\t}\n 230→\n 231→\tur := repository.GetUserRepository()\n 232→\tif err := ur.AddUser(&schema.User{\n 233→\t\tUsername: parts[0],\n 234→\t\tProjects: make([]string, 0),\n 235→\t\tPassword: parts[2],\n 236→\t\tRoles: strings.Split(parts[1], \",\"),\n 237→\t}); err != nil {\n 238→\t\treturn fmt.Errorf(\"adding user '%s' with roles '%s': %w\", parts[0], parts[1], err)\n 239→\t}\n 240→\n 241→\tcclog.Infof(\"Add User: Added new user '%s' with roles '%s'\", parts[0], parts[1])\n 242→\treturn nil\n 243→}\n 244→\n 245→func delUser(username string) error {\n 246→\tur := repository.GetUserRepository()\n 247→\tif err := ur.DelUser(username); err != nil {\n 248→\t\treturn fmt.Errorf(\"deleting user '%s': %w\", username, err)\n 249→\t}\n 250→\tcclog.Infof(\"Delete User: Deleted user '%s' from DB\", username)\n 251→\treturn nil\n 252→}\n 253→\n 254→func syncLDAP(authHandle *auth.Authentication) error {\n 255→\tif authHandle.LdapAuth == nil {\n 256→\t\treturn fmt.Errorf(\"LDAP authentication is not configured\")\n 257→\t}\n 258→\n 259→\tif err := authHandle.LdapAuth.Sync(); err != nil {\n 260→\t\treturn fmt.Errorf(\"synchronizing LDAP: %w\", err)\n 261→\t}\n 262→\n 263→\tcclog.Print(\"Sync LDAP: LDAP synchronization successfull.\")\n 264→\treturn nil\n 265→}\n 266→\n 267→func generateJWT(authHandle *auth.Authentication, username string) error {\n 268→\tur := repository.GetUserRepository()\n 269→\tuser, err := ur.GetUser(username)\n 270→\tif err != nil {\n 271→\t\treturn fmt.Errorf(\"getting user '%s': %w\", username, err)\n 272→\t}\n 273→\n 274→\tif !user.HasRole(schema.RoleAPI) {\n 275→\t\tcclog.Warnf(\"JWT: User '%s' does not have the role 'api'. REST API endpoints will return error!\\n\", user.Username)\n 276→\t}\n 277→\n 278→\tjwt, err := authHandle.JwtAuth.ProvideJWT(user)\n 279→\tif err != nil {\n 280→\t\treturn fmt.Errorf(\"generating JWT for user '%s': %w\", user.Username, err)\n 281→\t}\n 282→\n 283→\tcclog.Printf(\"JWT: Successfully generated JWT for user '%s': %s\\n\", user.Username, jwt)\n 284→\treturn nil\n 285→}\n 286→\n 287→func initSubsystems() error {\n 288→\t// Initialize nats client\n 289→\tnatsConfig := ccconf.GetPackageConfig(\"nats\")\n 290→\tif err := nats.Init(natsConfig); err != nil {\n 291→\t\tcclog.Warnf(\"initializing (optional) nats client: %s\", err.Error())\n 292→\t}\n 293→\tnats.Connect()\n 294→\n 295→\t// Initialize job archive\n 296→\tarchiveCfg := ccconf.GetPackageConfig(\"archive\")\n 297→\tif archiveCfg == nil {\n 298→\t\tcclog.Debug(\"Archive configuration not found, using default archive configuration\")\n 299→\t\tarchiveCfg = json.RawMessage(defaultArchiveConfig)\n 300→\t}\n 301→\tif err := archive.Init(archiveCfg); err != nil {\n 302→\t\treturn fmt.Errorf(\"initializing archive: %w\", err)\n 303→\t}\n 304→\n 305→\t// Handle database re-initialization\n 306→\tif flagReinitDB {\n 307→\t\tif err := importer.InitDB(); err != nil {\n 308→\t\t\treturn fmt.Errorf(\"re-initializing repository DB: %w\", err)\n 309→\t\t}\n 310→\t\tcclog.Print(\"Init DB: Successfully re-initialized repository DB.\")\n 311→\t}\n 312→\n 313→\t// Handle job import\n 314→\tif flagImportJob != \"\" {\n 315→\t\tif err := importer.HandleImportFlag(flagImportJob); err != nil {\n 316→\t\t\treturn fmt.Errorf(\"importing job: %w\", err)\n 317→\t\t}\n 318→\t\tcclog.Infof(\"Import Job: Imported Job '%s' into DB\", flagImportJob)\n 319→\t}\n 320→\n 321→\t// Initialize taggers\n 322→\tif config.Keys.EnableJobTaggers {\n 323→\t\ttagger.Init()\n 324→\t}\n 325→\n 326→\t// Apply tags if requested\n 327→\tif flagApplyTags {\n 328→\t\ttagger.Init()\n 329→\n 330→\t\tif err := tagger.RunTaggers(); err != nil {\n 331→\t\t\treturn fmt.Errorf(\"running job taggers: %w\", err)\n 332→\t\t}\n 333→\t}\n 334→\n 335→\treturn nil\n 336→}\n 337→\n 338→func runServer(ctx context.Context) error {\n 339→\tvar wg sync.WaitGroup\n 340→\n 341→\t// Initialize metric store if configuration is provided\n 342→\thaveMetricstore := false\n 343→\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n 344→\tif mscfg != nil {\n 345→\t\tmetrics := metricstore.BuildMetricList()\n 346→\t\tmetricstore.Init(mscfg, metrics, &wg)\n 347→\n 348→\t\t// Inject repository as NodeProvider to break import cycle\n 349→\t\tms := metricstore.GetMemoryStore()\n 350→\t\tjobRepo := repository.GetJobRepository()\n 351→\t\tms.SetNodeProvider(jobRepo)\n 352→\t\tmetricstore.MetricStoreHandle = &metricstore.InternalMetricStore{}\n 353→\t\thaveMetricstore = true\n 354→\t} else {\n 355→\t\tmetricstore.MetricStoreHandle = nil\n 356→\t\tcclog.Debug(\"missing internal metricstore configuration\")\n 357→\t}\n 358→\n 359→\t// Initialize external metric stores if configuration is provided\n 360→\tmscfg = ccconf.GetPackageConfig(\"metric-store-external\")\n 361→\tif mscfg != nil {\n 362→\t\terr := metricdispatch.Init(mscfg)\n 363→\n 364→\t\tif err != nil {\n 365→\t\t\tcclog.Debugf(\"error while initializing external metricdispatch: %v\", err)\n 366→\t\t} else {\n 367→\t\t\thaveMetricstore = true\n 368→\t\t}\n 369→\t}\n 370→\n 371→\tif !haveMetricstore {\n 372→\t\treturn fmt.Errorf(\"missing metricstore configuration\")\n 373→\t}\n 374→\n 375→\t// Start archiver and task manager\n 376→\tarchiver.Start(repository.GetJobRepository(), ctx)\n 377→\ttaskmanager.Start(ccconf.GetPackageConfig(\"cron\"), ccconf.GetPackageConfig(\"archive\"))\n 378→\n 379→\t// Initialize web UI\n 380→\tcfg := ccconf.GetPackageConfig(\"ui\")\n 381→\tif err := web.Init(cfg); err != nil {\n 382→\t\treturn fmt.Errorf(\"initializing web UI: %w\", err)\n 383→\t}\n 384→\n 385→\t// Initialize HTTP server\n 386→\tsrv, err := NewServer(version, commit, date)\n 387→\tif err != nil {\n 388→\t\treturn fmt.Errorf(\"creating server: %w\", err)\n 389→\t}\n 390→\n 391→\t// Channel to collect errors from server\n 392→\terrChan := make(chan error, 1)\n 393→\n 394→\t// Start HTTP server\n 395→\twg.Go(func() {\n 396→\t\tif err := srv.Start(ctx); err != nil {\n 397→\t\t\terrChan <- err\n 398→\t\t}\n 399→\t})\n 400→\n 401→\t// Handle shutdown signals\n 402→\twg.Add(1)\n 403→\tsigs := make(chan os.Signal, 1)\n 404→\tsignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)\n 405→\tgo func() {\n 406→\t\tdefer wg.Done()\n 407→\t\tselect {\n 408→\t\tcase <-sigs:\n 409→\t\t\tcclog.Info(\"Shutdown signal received\")\n 410→\t\tcase <-ctx.Done():\n 411→\t\t}\n 412→\n 413→\t\truntime.SystemdNotify(false, \"Shutting down ...\")\n 414→\t\tsrv.Shutdown(ctx)\n 415→\t\tutil.FsWatcherShutdown()\n 416→\t\ttaskmanager.Shutdown()\n 417→\t}()\n 418→\n 419→\t// Set GC percent if not configured\n 420→\tif os.Getenv(envGOGC) == \"\" {\n 421→\t\t// trigger GC when heap grows 15% above the previous live set\n 422→\t\tdebug.SetGCPercent(15)\n 423→\t}\n 424→\truntime.SystemdNotify(true, \"running\")\n 425→\n 426→\twaitDone := make(chan struct{})\n 427→\tgo func() {\n 428→\t\twg.Wait()\n 429→\t\tclose(waitDone)\n 430→\t}()\n 431→\n 432→\tgo func() {\n 433→\t\t<-waitDone\n 434→\t\tclose(errChan)\n 435→\t}()\n 436→\n 437→\t// Wait for either:\n 438→\t// 1. An error from server startup\n 439→\t// 2. Completion of all goroutines (normal shutdown or crash)\n 440→\tselect {\n 441→\tcase err := <-errChan:\n 442→\t\t// errChan will be closed when waitDone is closed, which happens\n 443→\t\t// when all goroutines complete (either from normal shutdown or error)\n 444→\t\tif err != nil {\n 445→\t\t\treturn err\n 446→\t\t}\n 447→\tcase <-time.After(100 * time.Millisecond):\n 448→\t\t// Give the server 100ms to start and report any immediate startup errors\n 449→\t\t// After that, just wait for normal shutdown completion\n 450→\t\tselect {\n 451→\t\tcase err := <-errChan:\n 452→\t\t\tif err != nil {\n 453→\t\t\t\treturn err\n 454→\t\t\t}\n 455→\t\tcase <-waitDone:\n 456→\t\t\t// Normal shutdown completed\n 457→\t\t}\n 458→\t}\n 459→\n 460→\tcclog.Print(\"Graceful shutdown completed!\")\n 461→\treturn nil\n 462→}\n 463→\n 464→func run() error {\n 465→\tcliInit()\n 466→\n 467→\tif flagVersion {\n 468→\t\tprintVersion()\n 469→\t\treturn nil\n 470→\t}\n 471→\n 472→\t// Initialize logger\n 473→\tcclog.Init(flagLogLevel, flagLogDateTime)\n 474→\n 475→\t// Handle init flag\n 476→\tif flagInit {\n 477→\t\tinitEnv()\n 478→\t\tcclog.Exit(\"Successfully setup environment!\\n\" +\n 479→\t\t\t\"Please review config.json and .env and adjust it to your needs.\\n\" +\n 480→\t\t\t\"Add your job-archive at ./var/job-archive.\")\n 481→\t}\n 482→\n 483→\t// Initialize gops agent\n 484→\tif err := initGops(); err != nil {\n 485→\t\treturn err\n 486→\t}\n 487→\n 488→\t// Initialize subsystems in dependency order:\n 489→\t// 1. Load environment variables from .env file (contains sensitive configuration)\n 490→\t// 2. Load configuration from config.json (may reference environment variables)\n 491→\t// 3. Handle database migration commands if requested\n 492→\t// 4. Initialize database connection (requires config for connection string)\n 493→\t// 5. Handle user commands if requested (requires database and authentication config)\n 494→\t// 6. Initialize subsystems like archive and metrics (require config and database)\n 495→\n 496→\t// Load environment and configuration\n 497→\tif err := loadEnvironment(); err != nil {\n 498→\t\treturn err\n 499→\t}\n 500→\n 501→\tif err := initConfiguration(); err != nil {\n 502→\t\treturn err\n 503→\t}\n 504→\n 505→\t// Handle database migration (migrate, revert, force)\n 506→\tif err := handleDatabaseCommands(); err != nil {\n 507→\t\treturn err\n 508→\t}\n 509→\n 510→\t// Initialize database\n 511→\tif err := initDatabase(); err != nil {\n 512→\t\treturn err\n 513→\t}\n 514→\n 515→\t// Optimize database if requested\n 516→\tif flagOptimizeDB {\n 517→\t\tdb := repository.GetConnection()\n 518→\t\tcclog.Print(\"Running VACUUM to reclaim space and defragment database...\")\n 519→\t\tif _, err := db.DB.Exec(\"VACUUM\"); err != nil {\n 520→\t\t\treturn fmt.Errorf(\"VACUUM failed: %w\", err)\n 521→\t\t}\n 522→\t\tcclog.Print(\"Running ANALYZE to update query planner statistics...\")\n 523→\t\tif _, err := db.DB.Exec(\"ANALYZE\"); err != nil {\n 524→\t\t\treturn fmt.Errorf(\"ANALYZE failed: %w\", err)\n 525→\t\t}\n 526→\t\tcclog.Exitf(\"OptimizeDB Success: Database '%s' optimized (VACUUM + ANALYZE).\\n\", config.Keys.DB)\n 527→\t}\n 528→\n 529→\t// Handle user commands (add, delete, sync, JWT)\n 530→\tif err := handleUserCommands(); err != nil {\n 531→\t\treturn err\n 532→\t}\n 533→\n 534→\t// Initialize subsystems (archive, metrics, taggers)\n 535→\tif err := initSubsystems(); err != nil {\n 536→\t\treturn err\n 537→\t}\n 538→\n 539→\t// Exit if start server is not requested\n 540→\tif !flagServer {\n 541→\t\tcclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")\n 542→\t}\n 543→\n 544→\t// Run server with context\n 545→\tctx, cancel := context.WithCancel(context.Background())\n 546→\tdefer cancel()\n 547→\n 548→\treturn runServer(ctx)\n 549→}\n 550→\n 551→func main() {\n 552→\tif err := run(); err != nil {\n 553→\t\tcclog.Error(err.Error())\n 554→\t\tos.Exit(1)\n 555→\t}\n 556→}\n 557→"}]},"uuid":"c6a0d240-0ac1-40ff-bb97-53846adfe44a","timestamp":"2026-03-23T06:56:11.579Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// It orchestrates initialization of all subsystems including configuration,\n// database, authentication, and the HTTP server.\npackage main\n\nimport (\n\t\"context\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"os\"\n\t\"os/signal\"\n\t\"runtime/debug\"\n\t\"strings\"\n\t\"sync\"\n\t\"syscall\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\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/metricdispatch\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/taskmanager\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n\t\"github.com/ClusterCockpit/cc-backend/web\"\n\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/runtime\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/google/gops/agent\"\n\t\"github.com/joho/godotenv\"\n\n\t_ \"github.com/mattn/go-sqlite3\"\n)\n\nconst logoString = `\n _____ _ _ ____ _ _ _\n/ ___| |_ _ ___| |_ ___ _ __ / ___|___ ___| | ___ __ (_) |_\n| | | | | | / __| __/ _ \\ '__| | / _ \\ / __| |/ / '_ \\| | __|\n| |___| | |_| \\__ \\ || __/ | | |__| (_) | (__| <| |_) | | |_\n\\_____|_|\\__,_|___/\\__\\___|_| \\____\\___/ \\___|_|\\_\\ .__/|_|\\__|\n |_|\n`\n\n// Environment variable names\nconst (\n\tenvGOGC = \"GOGC\"\n)\n\n// Default configurations\nconst (\n\tdefaultArchiveConfig = `{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`\n)\n\nvar (\n\tdate string\n\tcommit string\n\tversion string\n)\n\nfunc printVersion() {\n\tfmt.Print(logoString)\n\tfmt.Printf(\"Version:\\t%s\\n\", version)\n\tfmt.Printf(\"Git hash:\\t%s\\n\", commit)\n\tfmt.Printf(\"Build time:\\t%s\\n\", date)\n\tfmt.Printf(\"SQL db version:\\t%d\\n\", repository.Version)\n\tfmt.Printf(\"Job archive version:\\t%d\\n\", archive.Version)\n}\n\nfunc initGops() error {\n\tif !flagGops {\n\t\treturn nil\n\t}\n\n\tif err := agent.Listen(agent.Options{}); err != nil {\n\t\treturn fmt.Errorf(\"starting gops agent: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc loadEnvironment() error {\n\tif err := godotenv.Load(); err != nil {\n\t\treturn fmt.Errorf(\"loading .env file: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc initConfiguration() error {\n\tccconf.Init(flagConfigFile)\n\n\tcfg := ccconf.GetPackageConfig(\"main\")\n\tif cfg == nil {\n\t\treturn fmt.Errorf(\"main configuration must be present\")\n\t}\n\n\tconfig.Init(cfg)\n\treturn nil\n}\n\nfunc initDatabase() error {\n\tif config.Keys.DbConfig != nil {\n\t\tcfg := repository.DefaultConfig()\n\t\tdc := config.Keys.DbConfig\n\t\tif dc.CacheSizeMB > 0 {\n\t\t\tcfg.DbCacheSizeMB = dc.CacheSizeMB\n\t\t}\n\t\tif dc.SoftHeapLimitMB > 0 {\n\t\t\tcfg.DbSoftHeapLimitMB = dc.SoftHeapLimitMB\n\t\t}\n\t\tif dc.MaxOpenConnections > 0 {\n\t\t\tcfg.MaxOpenConnections = dc.MaxOpenConnections\n\t\t}\n\t\tif dc.MaxIdleConnections > 0 {\n\t\t\tcfg.MaxIdleConnections = dc.MaxIdleConnections\n\t\t}\n\t\tif dc.ConnectionMaxIdleTimeMins > 0 {\n\t\t\tcfg.ConnectionMaxIdleTime = time.Duration(dc.ConnectionMaxIdleTimeMins) * time.Minute\n\t\t}\n\t\tif dc.BusyTimeoutMs > 0 {\n\t\t\tcfg.BusyTimeoutMs = dc.BusyTimeoutMs\n\t\t}\n\t\trepository.SetConfig(cfg)\n\t}\n\trepository.Connect(config.Keys.DB)\n\treturn nil\n}\n\nfunc handleDatabaseCommands() error {\n\tif flagMigrateDB {\n\t\terr := repository.MigrateDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"migrating database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"MigrateDB Success: Migrated SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\tif flagRevertDB {\n\t\terr := repository.RevertDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"reverting database to version %d: %w\", repository.Version-1, err)\n\t\t}\n\t\tcclog.Exitf(\"RevertDB Success: Reverted SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version-1)\n\t}\n\n\tif flagForceDB {\n\t\terr := repository.ForceDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"forcing database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"ForceDB Success: Forced SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\treturn nil\n}\n\nfunc handleUserCommands() error {\n\tif config.Keys.DisableAuthentication && (flagNewUser != \"\" || flagDelUser != \"\") {\n\t\treturn fmt.Errorf(\"--add-user and --del-user can only be used if authentication is enabled\")\n\t}\n\n\tif !config.Keys.DisableAuthentication {\n\t\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n\t\t\tauth.Init(&cfg)\n\t\t} else {\n\t\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n\t\t\tauth.Init(nil)\n\t\t}\n\n\t\t// Check for default security keys\n\t\tcheckDefaultSecurityKeys()\n\n\t\tif flagNewUser != \"\" {\n\t\t\tif err := addUser(flagNewUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagDelUser != \"\" {\n\t\t\tif err := delUser(flagDelUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tauthHandle := auth.GetAuthInstance()\n\n\t\tif flagSyncLDAP {\n\t\t\tif err := syncLDAP(authHandle); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagGenJWT != \"\" {\n\t\t\tif err := generateJWT(authHandle, flagGenJWT); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nil\n}\n\n// checkDefaultSecurityKeys warns if default JWT keys are detected\nfunc checkDefaultSecurityKeys() {\n\t// Default JWT public key from init.go\n\tdefaultJWTPublic := \"REDACTED\"\n\n\tif os.Getenv(\"JWT_PUBLIC_KEY\") == defaultJWTPublic {\n\t\tcclog.Warn(\"Using default JWT keys - not recommended for production environments\")\n\t}\n}\n\nfunc addUser(userSpec string) error {\n\tparts := strings.SplitN(userSpec, \":\", 3)\n\tif len(parts) != 3 || len(parts[0]) == 0 {\n\t\treturn fmt.Errorf(\"invalid user format, want: :[admin,support,manager,api,user]:, have: %s\", userSpec)\n\t}\n\n\tur := repository.GetUserRepository()\n\tif err := ur.AddUser(&schema.User{\n\t\tUsername: parts[0],\n\t\tProjects: make([]string, 0),\n\t\tPassword: parts[2],\n\t\tRoles: strings.Split(parts[1], \",\"),\n\t}); err != nil {\n\t\treturn fmt.Errorf(\"adding user '%s' with roles '%s': %w\", parts[0], parts[1], err)\n\t}\n\n\tcclog.Infof(\"Add User: Added new user '%s' with roles '%s'\", parts[0], parts[1])\n\treturn nil\n}\n\nfunc delUser(username string) error {\n\tur := repository.GetUserRepository()\n\tif err := ur.DelUser(username); err != nil {\n\t\treturn fmt.Errorf(\"deleting user '%s': %w\", username, err)\n\t}\n\tcclog.Infof(\"Delete User: Deleted user '%s' from DB\", username)\n\treturn nil\n}\n\nfunc syncLDAP(authHandle *auth.Authentication) error {\n\tif authHandle.LdapAuth == nil {\n\t\treturn fmt.Errorf(\"LDAP authentication is not configured\")\n\t}\n\n\tif err := authHandle.LdapAuth.Sync(); err != nil {\n\t\treturn fmt.Errorf(\"synchronizing LDAP: %w\", err)\n\t}\n\n\tcclog.Print(\"Sync LDAP: LDAP synchronization successfull.\")\n\treturn nil\n}\n\nfunc generateJWT(authHandle *auth.Authentication, username string) error {\n\tur := repository.GetUserRepository()\n\tuser, err := ur.GetUser(username)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting user '%s': %w\", username, err)\n\t}\n\n\tif !user.HasRole(schema.RoleAPI) {\n\t\tcclog.Warnf(\"JWT: User '%s' does not have the role 'api'. REST API endpoints will return error!\\n\", user.Username)\n\t}\n\n\tjwt, err := authHandle.JwtAuth.ProvideJWT(user)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"generating JWT for user '%s': %w\", user.Username, err)\n\t}\n\n\tcclog.Printf(\"JWT: Successfully generated JWT for user '%s': %s\\n\", user.Username, jwt)\n\treturn nil\n}\n\nfunc initSubsystems() error {\n\t// Initialize nats client\n\tnatsConfig := ccconf.GetPackageConfig(\"nats\")\n\tif err := nats.Init(natsConfig); err != nil {\n\t\tcclog.Warnf(\"initializing (optional) nats client: %s\", err.Error())\n\t}\n\tnats.Connect()\n\n\t// Initialize job archive\n\tarchiveCfg := ccconf.GetPackageConfig(\"archive\")\n\tif archiveCfg == nil {\n\t\tcclog.Debug(\"Archive configuration not found, using default archive configuration\")\n\t\tarchiveCfg = json.RawMessage(defaultArchiveConfig)\n\t}\n\tif err := archive.Init(archiveCfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing archive: %w\", err)\n\t}\n\n\t// Handle database re-initialization\n\tif flagReinitDB {\n\t\tif err := importer.InitDB(); err != nil {\n\t\t\treturn fmt.Errorf(\"re-initializing repository DB: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Init DB: Successfully re-initialized repository DB.\")\n\t}\n\n\t// Handle job import\n\tif flagImportJob != \"\" {\n\t\tif err := importer.HandleImportFlag(flagImportJob); err != nil {\n\t\t\treturn fmt.Errorf(\"importing job: %w\", err)\n\t\t}\n\t\tcclog.Infof(\"Import Job: Imported Job '%s' into DB\", flagImportJob)\n\t}\n\n\t// Initialize taggers\n\tif config.Keys.EnableJobTaggers {\n\t\ttagger.Init()\n\t}\n\n\t// Apply tags if requested\n\tif flagApplyTags {\n\t\ttagger.Init()\n\n\t\tif err := tagger.RunTaggers(); err != nil {\n\t\t\treturn fmt.Errorf(\"running job taggers: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n}\n\nfunc runServer(ctx context.Context) error {\n\tvar wg sync.WaitGroup\n\n\t// Initialize metric store if configuration is provided\n\thaveMetricstore := false\n\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\tif mscfg != nil {\n\t\tmetrics := metricstore.BuildMetricList()\n\t\tmetricstore.Init(mscfg, metrics, &wg)\n\n\t\t// Inject repository as NodeProvider to break import cycle\n\t\tms := metricstore.GetMemoryStore()\n\t\tjobRepo := repository.GetJobRepository()\n\t\tms.SetNodeProvider(jobRepo)\n\t\tmetricstore.MetricStoreHandle = &metricstore.InternalMetricStore{}\n\t\thaveMetricstore = true\n\t} else {\n\t\tmetricstore.MetricStoreHandle = nil\n\t\tcclog.Debug(\"missing internal metricstore configuration\")\n\t}\n\n\t// Initialize external metric stores if configuration is provided\n\tmscfg = ccconf.GetPackageConfig(\"metric-store-external\")\n\tif mscfg != nil {\n\t\terr := metricdispatch.Init(mscfg)\n\n\t\tif err != nil {\n\t\t\tcclog.Debugf(\"error while initializing external metricdispatch: %v\", err)\n\t\t} else {\n\t\t\thaveMetricstore = true\n\t\t}\n\t}\n\n\tif !haveMetricstore {\n\t\treturn fmt.Errorf(\"missing metricstore configuration\")\n\t}\n\n\t// Start archiver and task manager\n\tarchiver.Start(repository.GetJobRepository(), ctx)\n\ttaskmanager.Start(ccconf.GetPackageConfig(\"cron\"), ccconf.GetPackageConfig(\"archive\"))\n\n\t// Initialize web UI\n\tcfg := ccconf.GetPackageConfig(\"ui\")\n\tif err := web.Init(cfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing web UI: %w\", err)\n\t}\n\n\t// Initialize HTTP server\n\tsrv, err := NewServer(version, commit, date)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"creating server: %w\", err)\n\t}\n\n\t// Channel to collect errors from server\n\terrChan := make(chan error, 1)\n\n\t// Start HTTP server\n\twg.Go(func() {\n\t\tif err := srv.Start(ctx); err != nil {\n\t\t\terrChan <- err\n\t\t}\n\t})\n\n\t// Handle shutdown signals\n\twg.Add(1)\n\tsigs := make(chan os.Signal, 1)\n\tsignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)\n\tgo func() {\n\t\tdefer wg.Done()\n\t\tselect {\n\t\tcase <-sigs:\n\t\t\tcclog.Info(\"Shutdown signal received\")\n\t\tcase <-ctx.Done():\n\t\t}\n\n\t\truntime.SystemdNotify(false, \"Shutting down ...\")\n\t\tsrv.Shutdown(ctx)\n\t\tutil.FsWatcherShutdown()\n\t\ttaskmanager.Shutdown()\n\t}()\n\n\t// Set GC percent if not configured\n\tif os.Getenv(envGOGC) == \"\" {\n\t\t// trigger GC when heap grows 15% above the previous live set\n\t\tdebug.SetGCPercent(15)\n\t}\n\truntime.SystemdNotify(true, \"running\")\n\n\twaitDone := make(chan struct{})\n\tgo func() {\n\t\twg.Wait()\n\t\tclose(waitDone)\n\t}()\n\n\tgo func() {\n\t\t<-waitDone\n\t\tclose(errChan)\n\t}()\n\n\t// Wait for either:\n\t// 1. An error from server startup\n\t// 2. Completion of all goroutines (normal shutdown or crash)\n\tselect {\n\tcase err := <-errChan:\n\t\t// errChan will be closed when waitDone is closed, which happens\n\t\t// when all goroutines complete (either from normal shutdown or error)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\tcase <-time.After(100 * time.Millisecond):\n\t\t// Give the server 100ms to start and report any immediate startup errors\n\t\t// After that, just wait for normal shutdown completion\n\t\tselect {\n\t\tcase err := <-errChan:\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase <-waitDone:\n\t\t\t// Normal shutdown completed\n\t\t}\n\t}\n\n\tcclog.Print(\"Graceful shutdown completed!\")\n\treturn nil\n}\n\nfunc run() error {\n\tcliInit()\n\n\tif flagVersion {\n\t\tprintVersion()\n\t\treturn nil\n\t}\n\n\t// Initialize logger\n\tcclog.Init(flagLogLevel, flagLogDateTime)\n\n\t// Handle init flag\n\tif flagInit {\n\t\tinitEnv()\n\t\tcclog.Exit(\"Successfully setup environment!\\n\" +\n\t\t\t\"Please review config.json and .env and adjust it to your needs.\\n\" +\n\t\t\t\"Add your job-archive at ./var/job-archive.\")\n\t}\n\n\t// Initialize gops agent\n\tif err := initGops(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems in dependency order:\n\t// 1. Load environment variables from .env file (contains sensitive configuration)\n\t// 2. Load configuration from config.json (may reference environment variables)\n\t// 3. Handle database migration commands if requested\n\t// 4. Initialize database connection (requires config for connection string)\n\t// 5. Handle user commands if requested (requires database and authentication config)\n\t// 6. Initialize subsystems like archive and metrics (require config and database)\n\n\t// Load environment and configuration\n\tif err := loadEnvironment(); err != nil {\n\t\treturn err\n\t}\n\n\tif err := initConfiguration(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle database migration (migrate, revert, force)\n\tif err := handleDatabaseCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize database\n\tif err := initDatabase(); err != nil {\n\t\treturn err\n\t}\n\n\t// Optimize database if requested\n\tif flagOptimizeDB {\n\t\tdb := repository.GetConnection()\n\t\tcclog.Print(\"Running VACUUM to reclaim space and defragment database...\")\n\t\tif _, err := db.DB.Exec(\"VACUUM\"); err != nil {\n\t\t\treturn fmt.Errorf(\"VACUUM failed: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Running ANALYZE to update query planner statistics...\")\n\t\tif _, err := db.DB.Exec(\"ANALYZE\"); err != nil {\n\t\t\treturn fmt.Errorf(\"ANALYZE failed: %w\", err)\n\t\t}\n\t\tcclog.Exitf(\"OptimizeDB Success: Database '%s' optimized (VACUUM + ANALYZE).\\n\", config.Keys.DB)\n\t}\n\n\t// Handle user commands (add, delete, sync, JWT)\n\tif err := handleUserCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Exit if start server is not requested\n\tif !flagServer {\n\t\tcclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")\n\t}\n\n\t// Run server with context\n\tctx, cancel := context.WithCancel(context.Background())\n\tdefer cancel()\n\n\treturn runServer(ctx)\n}\n\nfunc main() {\n\tif err := run(); err != nil {\n\t\tcclog.Error(err.Error())\n\t\tos.Exit(1)\n\t}\n}\n","numLines":557,"startLine":1,"totalLines":557}},"sourceToolAssistantUUID":"77919bdb-43ca-4389-9f03-8c137f47e98c","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} 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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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// This file defines all command-line flags and their default values.\npackage main\n\nimport \"flag\"\n\nvar (\n\tflagReinitDB, flagInit, flagServer, flagSyncLDAP, flagGops, flagMigrateDB, flagRevertDB,\n\tflagForceDB, flagDev, flagVersion, flagLogDateTime, flagApplyTags, flagOptimizeDB bool\n\tflagNewUser, flagDelUser, flagGenJWT, flagConfigFile, flagImportJob, flagLogLevel string\n)\n\nfunc cliInit() {\n\tflag.BoolVar(&flagInit, \"init\", false, \"Setup var directory, initialize sqlite database file, config.json and .env\")\n\tflag.BoolVar(&flagReinitDB, \"init-db\", false, \"Go through job-archive and re-initialize the 'job', 'tag', and 'jobtag' tables (all running jobs will be lost!)\")\n\tflag.BoolVar(&flagSyncLDAP, \"sync-ldap\", false, \"Sync the 'hpc_user' table with ldap\")\n\tflag.BoolVar(&flagServer, \"server\", false, \"Start a server, continues listening on port after initialization and argument handling\")\n\tflag.BoolVar(&flagGops, \"gops\", false, \"Listen via github.com/google/gops/agent (for debugging)\")\n\tflag.BoolVar(&flagDev, \"dev\", false, \"Enable development components: GraphQL Playground and Swagger UI\")\n\tflag.BoolVar(&flagVersion, \"version\", false, \"Show version information and exit\")\n\tflag.BoolVar(&flagMigrateDB, \"migrate-db\", false, \"Migrate database to supported version and exit\")\n\tflag.BoolVar(&flagRevertDB, \"revert-db\", false, \"Migrate database to previous version and exit\")\n\tflag.BoolVar(&flagApplyTags, \"apply-tags\", false, \"Run taggers on all completed jobs and exit\")\n\tflag.BoolVar(&flagForceDB, \"force-db\", false, \"Force database version, clear dirty flag and exit\")\n\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")\n\tflag.BoolVar(&flagLogDateTime, \"logdate\", false, \"Set this flag to add date and time to log messages\")\n\tflag.StringVar(&flagConfigFile, \"config\", \"./config.json\", \"Specify alternative path to `config.json`\")\n\tflag.StringVar(&flagNewUser, \"add-user\", \"\", \"Add a new user. Argument format: :[admin,support,manager,api,user]:\")\n\tflag.StringVar(&flagDelUser, \"del-user\", \"\", \"Remove a existing user. Argument format: \")\n\tflag.StringVar(&flagGenJWT, \"jwt\", \"\", \"Generate and print a JWT for the user specified by its `username`\")\n\tflag.StringVar(&flagImportJob, \"import-job\", \"\", \"Import a job. Argument format: `:,...`\")\n\tflag.StringVar(&flagLogLevel, \"loglevel\", \"warn\", \"Sets the logging level: `[debug, info , warn (default), err, crit]`\")\n\tflag.Parse()\n}\n","structuredPatch":[{"oldStart":11,"oldLines":7,"newStart":11,"newLines":8,"lines":[" "," var ("," flagReinitDB, flagInit, flagServer, flagSyncLDAP, flagGops, flagMigrateDB, flagRevertDB,","- flagForceDB, flagDev, flagVersion, flagLogDateTime, flagApplyTags, flagOptimizeDB bool","+ flagForceDB, flagDev, flagVersion, flagLogDateTime, flagApplyTags, flagOptimizeDB,","+ flagCleanupCheckpoints bool"," flagNewUser, flagDelUser, flagGenJWT, flagConfigFile, flagImportJob, flagLogLevel string"," )"," "]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"809bd155-381b-4944-9df9-7765d2686b0d","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"464b5fdf-1ec9-41bf-8463-e0f310c8142f","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01QMoQNrC4bfKPSZ9TuKETfs","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01BP3G2iVskzqPDTrxAvcokJ","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/cli.go","old_string":"\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")","new_string":"\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")\n\tflag.BoolVar(&flagCleanupCheckpoints, \"cleanup-checkpoints\", false, \"Clean up old checkpoint files (delete or archive) based on retention settings, then exit\")"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":280,"cache_read_input_tokens":30377,"output_tokens":498,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":280,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZKaKxJmTwARNh3P8mEm5","type":"assistant","uuid":"6a3d5750-2371-4e92-819b-444c326347a7","timestamp":"2026-03-23T06:56:32.273Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"6a3d5750-2371-4e92-819b-444c326347a7","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"callback"},"parentToolUseID":"toolu_01BP3G2iVskzqPDTrxAvcokJ","toolUseID":"toolu_01BP3G2iVskzqPDTrxAvcokJ","timestamp":"2026-03-23T06:56:32.289Z","uuid":"fc0d1e37-cce1-415e-bad2-ff9eee0bae05","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"6a3d5750-2371-4e92-819b-444c326347a7","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01BP3G2iVskzqPDTrxAvcokJ","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/cli.go has been updated successfully."}]},"uuid":"189d00e2-bcd8-4bd5-8400-ab9d254c659c","timestamp":"2026-03-23T06:56:32.289Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/cli.go","oldString":"\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")","newString":"\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")\n\tflag.BoolVar(&flagCleanupCheckpoints, \"cleanup-checkpoints\", false, \"Clean up old checkpoint files (delete or archive) based on retention settings, then exit\")","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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// This file defines all command-line flags and their default values.\npackage main\n\nimport \"flag\"\n\nvar (\n\tflagReinitDB, flagInit, flagServer, flagSyncLDAP, flagGops, flagMigrateDB, flagRevertDB,\n\tflagForceDB, flagDev, flagVersion, flagLogDateTime, flagApplyTags, flagOptimizeDB,\n\tflagCleanupCheckpoints bool\n\tflagNewUser, flagDelUser, flagGenJWT, flagConfigFile, flagImportJob, flagLogLevel string\n)\n\nfunc cliInit() {\n\tflag.BoolVar(&flagInit, \"init\", false, \"Setup var directory, initialize sqlite database file, config.json and .env\")\n\tflag.BoolVar(&flagReinitDB, \"init-db\", false, \"Go through job-archive and re-initialize the 'job', 'tag', and 'jobtag' tables (all running jobs will be lost!)\")\n\tflag.BoolVar(&flagSyncLDAP, \"sync-ldap\", false, \"Sync the 'hpc_user' table with ldap\")\n\tflag.BoolVar(&flagServer, \"server\", false, \"Start a server, continues listening on port after initialization and argument handling\")\n\tflag.BoolVar(&flagGops, \"gops\", false, \"Listen via github.com/google/gops/agent (for debugging)\")\n\tflag.BoolVar(&flagDev, \"dev\", false, \"Enable development components: GraphQL Playground and Swagger UI\")\n\tflag.BoolVar(&flagVersion, \"version\", false, \"Show version information and exit\")\n\tflag.BoolVar(&flagMigrateDB, \"migrate-db\", false, \"Migrate database to supported version and exit\")\n\tflag.BoolVar(&flagRevertDB, \"revert-db\", false, \"Migrate database to previous version and exit\")\n\tflag.BoolVar(&flagApplyTags, \"apply-tags\", false, \"Run taggers on all completed jobs and exit\")\n\tflag.BoolVar(&flagForceDB, \"force-db\", false, \"Force database version, clear dirty flag and exit\")\n\tflag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")\n\tflag.BoolVar(&flagLogDateTime, \"logdate\", false, \"Set this flag to add date and time to log messages\")\n\tflag.StringVar(&flagConfigFile, \"config\", \"./config.json\", \"Specify alternative path to `config.json`\")\n\tflag.StringVar(&flagNewUser, \"add-user\", \"\", \"Add a new user. Argument format: :[admin,support,manager,api,user]:\")\n\tflag.StringVar(&flagDelUser, \"del-user\", \"\", \"Remove a existing user. Argument format: \")\n\tflag.StringVar(&flagGenJWT, \"jwt\", \"\", \"Generate and print a JWT for the user specified by its `username`\")\n\tflag.StringVar(&flagImportJob, \"import-job\", \"\", \"Import a job. Argument format: `:,...`\")\n\tflag.StringVar(&flagLogLevel, \"loglevel\", \"warn\", \"Sets the logging level: `[debug, info , warn (default), err, crit]`\")\n\tflag.Parse()\n}\n","structuredPatch":[{"oldStart":29,"oldLines":6,"newStart":29,"newLines":7,"lines":[" flag.BoolVar(&flagApplyTags, \"apply-tags\", false, \"Run taggers on all completed jobs and exit\")"," flag.BoolVar(&flagForceDB, \"force-db\", false, \"Force database version, clear dirty flag and exit\")"," flag.BoolVar(&flagOptimizeDB, \"optimize-db\", false, \"Optimize database: run VACUUM to reclaim space, then ANALYZE to update query planner statistics\")","+ flag.BoolVar(&flagCleanupCheckpoints, \"cleanup-checkpoints\", false, \"Clean up old checkpoint files (delete or archive) based on retention settings, then exit\")"," flag.BoolVar(&flagLogDateTime, \"logdate\", false, \"Set this flag to add date and time to log messages\")"," flag.StringVar(&flagConfigFile, \"config\", \"./config.json\", \"Specify alternative path to `config.json`\")"," flag.StringVar(&flagNewUser, \"add-user\", \"\", \"Add a new user. 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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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// It orchestrates initialization of all subsystems including configuration,\n// database, authentication, and the HTTP server.\npackage main\n\nimport (\n\t\"context\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"os\"\n\t\"os/signal\"\n\t\"runtime/debug\"\n\t\"strings\"\n\t\"sync\"\n\t\"syscall\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\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/metricdispatch\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/taskmanager\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n\t\"github.com/ClusterCockpit/cc-backend/web\"\n\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/runtime\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/google/gops/agent\"\n\t\"github.com/joho/godotenv\"\n\n\t_ \"github.com/mattn/go-sqlite3\"\n)\n\nconst logoString = `\n _____ _ _ ____ _ _ _\n/ ___| |_ _ ___| |_ ___ _ __ / ___|___ ___| | ___ __ (_) |_\n| | | | | | / __| __/ _ \\ '__| | / _ \\ / __| |/ / '_ \\| | __|\n| |___| | |_| \\__ \\ || __/ | | |__| (_) | (__| <| |_) | | |_\n\\_____|_|\\__,_|___/\\__\\___|_| \\____\\___/ \\___|_|\\_\\ .__/|_|\\__|\n |_|\n`\n\n// Environment variable names\nconst (\n\tenvGOGC = \"GOGC\"\n)\n\n// Default configurations\nconst (\n\tdefaultArchiveConfig = `{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`\n)\n\nvar (\n\tdate string\n\tcommit string\n\tversion string\n)\n\nfunc printVersion() {\n\tfmt.Print(logoString)\n\tfmt.Printf(\"Version:\\t%s\\n\", version)\n\tfmt.Printf(\"Git hash:\\t%s\\n\", commit)\n\tfmt.Printf(\"Build time:\\t%s\\n\", date)\n\tfmt.Printf(\"SQL db version:\\t%d\\n\", repository.Version)\n\tfmt.Printf(\"Job archive version:\\t%d\\n\", archive.Version)\n}\n\nfunc initGops() error {\n\tif !flagGops {\n\t\treturn nil\n\t}\n\n\tif err := agent.Listen(agent.Options{}); err != nil {\n\t\treturn fmt.Errorf(\"starting gops agent: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc loadEnvironment() error {\n\tif err := godotenv.Load(); err != nil {\n\t\treturn fmt.Errorf(\"loading .env file: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc initConfiguration() error {\n\tccconf.Init(flagConfigFile)\n\n\tcfg := ccconf.GetPackageConfig(\"main\")\n\tif cfg == nil {\n\t\treturn fmt.Errorf(\"main configuration must be present\")\n\t}\n\n\tconfig.Init(cfg)\n\treturn nil\n}\n\nfunc initDatabase() error {\n\tif config.Keys.DbConfig != nil {\n\t\tcfg := repository.DefaultConfig()\n\t\tdc := config.Keys.DbConfig\n\t\tif dc.CacheSizeMB > 0 {\n\t\t\tcfg.DbCacheSizeMB = dc.CacheSizeMB\n\t\t}\n\t\tif dc.SoftHeapLimitMB > 0 {\n\t\t\tcfg.DbSoftHeapLimitMB = dc.SoftHeapLimitMB\n\t\t}\n\t\tif dc.MaxOpenConnections > 0 {\n\t\t\tcfg.MaxOpenConnections = dc.MaxOpenConnections\n\t\t}\n\t\tif dc.MaxIdleConnections > 0 {\n\t\t\tcfg.MaxIdleConnections = dc.MaxIdleConnections\n\t\t}\n\t\tif dc.ConnectionMaxIdleTimeMins > 0 {\n\t\t\tcfg.ConnectionMaxIdleTime = time.Duration(dc.ConnectionMaxIdleTimeMins) * time.Minute\n\t\t}\n\t\tif dc.BusyTimeoutMs > 0 {\n\t\t\tcfg.BusyTimeoutMs = dc.BusyTimeoutMs\n\t\t}\n\t\trepository.SetConfig(cfg)\n\t}\n\trepository.Connect(config.Keys.DB)\n\treturn nil\n}\n\nfunc handleDatabaseCommands() error {\n\tif flagMigrateDB {\n\t\terr := repository.MigrateDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"migrating database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"MigrateDB Success: Migrated SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\tif flagRevertDB {\n\t\terr := repository.RevertDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"reverting database to version %d: %w\", repository.Version-1, err)\n\t\t}\n\t\tcclog.Exitf(\"RevertDB Success: Reverted SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version-1)\n\t}\n\n\tif flagForceDB {\n\t\terr := repository.ForceDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"forcing database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"ForceDB Success: Forced SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\treturn nil\n}\n\nfunc handleUserCommands() error {\n\tif config.Keys.DisableAuthentication && (flagNewUser != \"\" || flagDelUser != \"\") {\n\t\treturn fmt.Errorf(\"--add-user and --del-user can only be used if authentication is enabled\")\n\t}\n\n\tif !config.Keys.DisableAuthentication {\n\t\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n\t\t\tauth.Init(&cfg)\n\t\t} else {\n\t\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n\t\t\tauth.Init(nil)\n\t\t}\n\n\t\t// Check for default security keys\n\t\tcheckDefaultSecurityKeys()\n\n\t\tif flagNewUser != \"\" {\n\t\t\tif err := addUser(flagNewUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagDelUser != \"\" {\n\t\t\tif err := delUser(flagDelUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tauthHandle := auth.GetAuthInstance()\n\n\t\tif flagSyncLDAP {\n\t\t\tif err := syncLDAP(authHandle); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagGenJWT != \"\" {\n\t\t\tif err := generateJWT(authHandle, flagGenJWT); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nil\n}\n\n// checkDefaultSecurityKeys warns if default JWT keys are detected\nfunc checkDefaultSecurityKeys() {\n\t// Default JWT public key from init.go\n\tdefaultJWTPublic := \"REDACTED\"\n\n\tif os.Getenv(\"JWT_PUBLIC_KEY\") == defaultJWTPublic {\n\t\tcclog.Warn(\"Using default JWT keys - not recommended for production environments\")\n\t}\n}\n\nfunc addUser(userSpec string) error {\n\tparts := strings.SplitN(userSpec, \":\", 3)\n\tif len(parts) != 3 || len(parts[0]) == 0 {\n\t\treturn fmt.Errorf(\"invalid user format, want: :[admin,support,manager,api,user]:, have: %s\", userSpec)\n\t}\n\n\tur := repository.GetUserRepository()\n\tif err := ur.AddUser(&schema.User{\n\t\tUsername: parts[0],\n\t\tProjects: make([]string, 0),\n\t\tPassword: parts[2],\n\t\tRoles: strings.Split(parts[1], \",\"),\n\t}); err != nil {\n\t\treturn fmt.Errorf(\"adding user '%s' with roles '%s': %w\", parts[0], parts[1], err)\n\t}\n\n\tcclog.Infof(\"Add User: Added new user '%s' with roles '%s'\", parts[0], parts[1])\n\treturn nil\n}\n\nfunc delUser(username string) error {\n\tur := repository.GetUserRepository()\n\tif err := ur.DelUser(username); err != nil {\n\t\treturn fmt.Errorf(\"deleting user '%s': %w\", username, err)\n\t}\n\tcclog.Infof(\"Delete User: Deleted user '%s' from DB\", username)\n\treturn nil\n}\n\nfunc syncLDAP(authHandle *auth.Authentication) error {\n\tif authHandle.LdapAuth == nil {\n\t\treturn fmt.Errorf(\"LDAP authentication is not configured\")\n\t}\n\n\tif err := authHandle.LdapAuth.Sync(); err != nil {\n\t\treturn fmt.Errorf(\"synchronizing LDAP: %w\", err)\n\t}\n\n\tcclog.Print(\"Sync LDAP: LDAP synchronization successfull.\")\n\treturn nil\n}\n\nfunc generateJWT(authHandle *auth.Authentication, username string) error {\n\tur := repository.GetUserRepository()\n\tuser, err := ur.GetUser(username)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting user '%s': %w\", username, err)\n\t}\n\n\tif !user.HasRole(schema.RoleAPI) {\n\t\tcclog.Warnf(\"JWT: User '%s' does not have the role 'api'. REST API endpoints will return error!\\n\", user.Username)\n\t}\n\n\tjwt, err := authHandle.JwtAuth.ProvideJWT(user)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"generating JWT for user '%s': %w\", user.Username, err)\n\t}\n\n\tcclog.Printf(\"JWT: Successfully generated JWT for user '%s': %s\\n\", user.Username, jwt)\n\treturn nil\n}\n\nfunc initSubsystems() error {\n\t// Initialize nats client\n\tnatsConfig := ccconf.GetPackageConfig(\"nats\")\n\tif err := nats.Init(natsConfig); err != nil {\n\t\tcclog.Warnf(\"initializing (optional) nats client: %s\", err.Error())\n\t}\n\tnats.Connect()\n\n\t// Initialize job archive\n\tarchiveCfg := ccconf.GetPackageConfig(\"archive\")\n\tif archiveCfg == nil {\n\t\tcclog.Debug(\"Archive configuration not found, using default archive configuration\")\n\t\tarchiveCfg = json.RawMessage(defaultArchiveConfig)\n\t}\n\tif err := archive.Init(archiveCfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing archive: %w\", err)\n\t}\n\n\t// Handle database re-initialization\n\tif flagReinitDB {\n\t\tif err := importer.InitDB(); err != nil {\n\t\t\treturn fmt.Errorf(\"re-initializing repository DB: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Init DB: Successfully re-initialized repository DB.\")\n\t}\n\n\t// Handle job import\n\tif flagImportJob != \"\" {\n\t\tif err := importer.HandleImportFlag(flagImportJob); err != nil {\n\t\t\treturn fmt.Errorf(\"importing job: %w\", err)\n\t\t}\n\t\tcclog.Infof(\"Import Job: Imported Job '%s' into DB\", flagImportJob)\n\t}\n\n\t// Initialize taggers\n\tif config.Keys.EnableJobTaggers {\n\t\ttagger.Init()\n\t}\n\n\t// Apply tags if requested\n\tif flagApplyTags {\n\t\ttagger.Init()\n\n\t\tif err := tagger.RunTaggers(); err != nil {\n\t\t\treturn fmt.Errorf(\"running job taggers: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n}\n\nfunc runServer(ctx context.Context) error {\n\tvar wg sync.WaitGroup\n\n\t// Initialize metric store if configuration is provided\n\thaveMetricstore := false\n\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\tif mscfg != nil {\n\t\tmetrics := metricstore.BuildMetricList()\n\t\tmetricstore.Init(mscfg, metrics, &wg)\n\n\t\t// Inject repository as NodeProvider to break import cycle\n\t\tms := metricstore.GetMemoryStore()\n\t\tjobRepo := repository.GetJobRepository()\n\t\tms.SetNodeProvider(jobRepo)\n\t\tmetricstore.MetricStoreHandle = &metricstore.InternalMetricStore{}\n\t\thaveMetricstore = true\n\t} else {\n\t\tmetricstore.MetricStoreHandle = nil\n\t\tcclog.Debug(\"missing internal metricstore configuration\")\n\t}\n\n\t// Initialize external metric stores if configuration is provided\n\tmscfg = ccconf.GetPackageConfig(\"metric-store-external\")\n\tif mscfg != nil {\n\t\terr := metricdispatch.Init(mscfg)\n\n\t\tif err != nil {\n\t\t\tcclog.Debugf(\"error while initializing external metricdispatch: %v\", err)\n\t\t} else {\n\t\t\thaveMetricstore = true\n\t\t}\n\t}\n\n\tif !haveMetricstore {\n\t\treturn fmt.Errorf(\"missing metricstore configuration\")\n\t}\n\n\t// Start archiver and task manager\n\tarchiver.Start(repository.GetJobRepository(), ctx)\n\ttaskmanager.Start(ccconf.GetPackageConfig(\"cron\"), ccconf.GetPackageConfig(\"archive\"))\n\n\t// Initialize web UI\n\tcfg := ccconf.GetPackageConfig(\"ui\")\n\tif err := web.Init(cfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing web UI: %w\", err)\n\t}\n\n\t// Initialize HTTP server\n\tsrv, err := NewServer(version, commit, date)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"creating server: %w\", err)\n\t}\n\n\t// Channel to collect errors from server\n\terrChan := make(chan error, 1)\n\n\t// Start HTTP server\n\twg.Go(func() {\n\t\tif err := srv.Start(ctx); err != nil {\n\t\t\terrChan <- err\n\t\t}\n\t})\n\n\t// Handle shutdown signals\n\twg.Add(1)\n\tsigs := make(chan os.Signal, 1)\n\tsignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)\n\tgo func() {\n\t\tdefer wg.Done()\n\t\tselect {\n\t\tcase <-sigs:\n\t\t\tcclog.Info(\"Shutdown signal received\")\n\t\tcase <-ctx.Done():\n\t\t}\n\n\t\truntime.SystemdNotify(false, \"Shutting down ...\")\n\t\tsrv.Shutdown(ctx)\n\t\tutil.FsWatcherShutdown()\n\t\ttaskmanager.Shutdown()\n\t}()\n\n\t// Set GC percent if not configured\n\tif os.Getenv(envGOGC) == \"\" {\n\t\t// trigger GC when heap grows 15% above the previous live set\n\t\tdebug.SetGCPercent(15)\n\t}\n\truntime.SystemdNotify(true, \"running\")\n\n\twaitDone := make(chan struct{})\n\tgo func() {\n\t\twg.Wait()\n\t\tclose(waitDone)\n\t}()\n\n\tgo func() {\n\t\t<-waitDone\n\t\tclose(errChan)\n\t}()\n\n\t// Wait for either:\n\t// 1. An error from server startup\n\t// 2. Completion of all goroutines (normal shutdown or crash)\n\tselect {\n\tcase err := <-errChan:\n\t\t// errChan will be closed when waitDone is closed, which happens\n\t\t// when all goroutines complete (either from normal shutdown or error)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\tcase <-time.After(100 * time.Millisecond):\n\t\t// Give the server 100ms to start and report any immediate startup errors\n\t\t// After that, just wait for normal shutdown completion\n\t\tselect {\n\t\tcase err := <-errChan:\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase <-waitDone:\n\t\t\t// Normal shutdown completed\n\t\t}\n\t}\n\n\tcclog.Print(\"Graceful shutdown completed!\")\n\treturn nil\n}\n\nfunc run() error {\n\tcliInit()\n\n\tif flagVersion {\n\t\tprintVersion()\n\t\treturn nil\n\t}\n\n\t// Initialize logger\n\tcclog.Init(flagLogLevel, flagLogDateTime)\n\n\t// Handle init flag\n\tif flagInit {\n\t\tinitEnv()\n\t\tcclog.Exit(\"Successfully setup environment!\\n\" +\n\t\t\t\"Please review config.json and .env and adjust it to your needs.\\n\" +\n\t\t\t\"Add your job-archive at ./var/job-archive.\")\n\t}\n\n\t// Initialize gops agent\n\tif err := initGops(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems in dependency order:\n\t// 1. Load environment variables from .env file (contains sensitive configuration)\n\t// 2. Load configuration from config.json (may reference environment variables)\n\t// 3. Handle database migration commands if requested\n\t// 4. Initialize database connection (requires config for connection string)\n\t// 5. Handle user commands if requested (requires database and authentication config)\n\t// 6. Initialize subsystems like archive and metrics (require config and database)\n\n\t// Load environment and configuration\n\tif err := loadEnvironment(); err != nil {\n\t\treturn err\n\t}\n\n\tif err := initConfiguration(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle database migration (migrate, revert, force)\n\tif err := handleDatabaseCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize database\n\tif err := initDatabase(); err != nil {\n\t\treturn err\n\t}\n\n\t// Optimize database if requested\n\tif flagOptimizeDB {\n\t\tdb := repository.GetConnection()\n\t\tcclog.Print(\"Running VACUUM to reclaim space and defragment database...\")\n\t\tif _, err := db.DB.Exec(\"VACUUM\"); err != nil {\n\t\t\treturn fmt.Errorf(\"VACUUM failed: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Running ANALYZE to update query planner statistics...\")\n\t\tif _, err := db.DB.Exec(\"ANALYZE\"); err != nil {\n\t\t\treturn fmt.Errorf(\"ANALYZE failed: %w\", err)\n\t\t}\n\t\tcclog.Exitf(\"OptimizeDB Success: Database '%s' optimized (VACUUM + ANALYZE).\\n\", config.Keys.DB)\n\t}\n\n\t// Handle user commands (add, delete, sync, JWT)\n\tif err := handleUserCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Exit if start server is not requested\n\tif !flagServer {\n\t\tcclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")\n\t}\n\n\t// Run server with context\n\tctx, cancel := context.WithCancel(context.Background())\n\tdefer cancel()\n\n\treturn runServer(ctx)\n}\n\nfunc main() {\n\tif err := run(); err != nil {\n\t\tcclog.Error(err.Error())\n\t\tos.Exit(1)\n\t}\n}\n","structuredPatch":[{"oldStart":14,"oldLines":6,"newStart":14,"newLines":7,"lines":[" \"fmt\""," \"os\""," \"os/signal\"","+ \"runtime\""," \"runtime/debug\""," \"strings\""," \"sync\""]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"8de3d572-dbf5-4139-995a-347a41ed17d8","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"3c83eb6a-a64e-42c1-b2c5-683e83b5fc95","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01MrHmz3nj7JPcRLtsiZ7RXC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01L5ZYHk5df2oDrfVRCha81H","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go","old_string":"\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Exit if start server is not requested","new_string":"\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle checkpoint cleanup\n\tif flagCleanupCheckpoints {\n\t\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\t\tif mscfg == nil {\n\t\t\treturn fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")\n\t\t}\n\t\tif err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {\n\t\t\treturn fmt.Errorf(\"decoding metric-store config: %w\", err)\n\t\t}\n\t\tif metricstore.Keys.NumWorkers <= 0 {\n\t\t\tmetricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)\n\t\t}\n\n\t\td, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"parsing retention-in-memory: %w\", err)\n\t\t}\n\t\tfrom := time.Now().Add(-d)\n\t\tdeleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"\n\t\tcleanupDir := \"\"\n\t\tif !deleteMode {\n\t\t\tcleanupDir = metricstore.Keys.Cleanup.RootDir\n\t\t}\n\n\t\tcclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))\n\t\tn, err := metricstore.CleanupCheckpoints(\n\t\t\tmetricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"checkpoint cleanup: %w\", err)\n\t\t}\n\t\tif deleteMode {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)\n\t\t} else {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)\n\t\t}\n\t}\n\n\t// Exit if start server is not requested"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":842,"cache_read_input_tokens":30657,"output_tokens":858,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":842,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZKaLcbP3Q3WnCjXyByP4","type":"assistant","uuid":"781cc9ac-7b0b-47af-9081-cc460592cf79","timestamp":"2026-03-23T06:56:45.692Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"781cc9ac-7b0b-47af-9081-cc460592cf79","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"callback"},"parentToolUseID":"toolu_01L5ZYHk5df2oDrfVRCha81H","toolUseID":"toolu_01L5ZYHk5df2oDrfVRCha81H","timestamp":"2026-03-23T06:56:45.701Z","uuid":"ff6298d7-1d63-4507-81c2-8dabd79921a6","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"781cc9ac-7b0b-47af-9081-cc460592cf79","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01L5ZYHk5df2oDrfVRCha81H","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go has been updated successfully."}]},"uuid":"45581659-0b56-4d62-ac66-6e18ecf5a317","timestamp":"2026-03-23T06:56:45.701Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go","oldString":"\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Exit if start server is not requested","newString":"\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle checkpoint cleanup\n\tif flagCleanupCheckpoints {\n\t\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\t\tif mscfg == nil {\n\t\t\treturn fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")\n\t\t}\n\t\tif err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {\n\t\t\treturn fmt.Errorf(\"decoding metric-store config: %w\", err)\n\t\t}\n\t\tif metricstore.Keys.NumWorkers <= 0 {\n\t\t\tmetricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)\n\t\t}\n\n\t\td, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"parsing retention-in-memory: %w\", err)\n\t\t}\n\t\tfrom := time.Now().Add(-d)\n\t\tdeleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"\n\t\tcleanupDir := \"\"\n\t\tif !deleteMode {\n\t\t\tcleanupDir = metricstore.Keys.Cleanup.RootDir\n\t\t}\n\n\t\tcclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))\n\t\tn, err := metricstore.CleanupCheckpoints(\n\t\t\tmetricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"checkpoint cleanup: %w\", err)\n\t\t}\n\t\tif deleteMode {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)\n\t\t} else {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)\n\t\t}\n\t}\n\n\t// Exit if start server is not requested","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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// It orchestrates initialization of all subsystems including configuration,\n// database, authentication, and the HTTP server.\npackage main\n\nimport (\n\t\"context\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"os\"\n\t\"os/signal\"\n\t\"runtime\"\n\t\"runtime/debug\"\n\t\"strings\"\n\t\"sync\"\n\t\"syscall\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\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/metricdispatch\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/taskmanager\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n\t\"github.com/ClusterCockpit/cc-backend/web\"\n\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/runtime\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/google/gops/agent\"\n\t\"github.com/joho/godotenv\"\n\n\t_ \"github.com/mattn/go-sqlite3\"\n)\n\nconst logoString = `\n _____ _ _ ____ _ _ _\n/ ___| |_ _ ___| |_ ___ _ __ / ___|___ ___| | ___ __ (_) |_\n| | | | | | / __| __/ _ \\ '__| | / _ \\ / __| |/ / '_ \\| | __|\n| |___| | |_| \\__ \\ || __/ | | |__| (_) | (__| <| |_) | | |_\n\\_____|_|\\__,_|___/\\__\\___|_| \\____\\___/ \\___|_|\\_\\ .__/|_|\\__|\n |_|\n`\n\n// Environment variable names\nconst (\n\tenvGOGC = \"GOGC\"\n)\n\n// Default configurations\nconst (\n\tdefaultArchiveConfig = `{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`\n)\n\nvar (\n\tdate string\n\tcommit string\n\tversion string\n)\n\nfunc printVersion() {\n\tfmt.Print(logoString)\n\tfmt.Printf(\"Version:\\t%s\\n\", version)\n\tfmt.Printf(\"Git hash:\\t%s\\n\", commit)\n\tfmt.Printf(\"Build time:\\t%s\\n\", date)\n\tfmt.Printf(\"SQL db version:\\t%d\\n\", repository.Version)\n\tfmt.Printf(\"Job archive version:\\t%d\\n\", archive.Version)\n}\n\nfunc initGops() error {\n\tif !flagGops {\n\t\treturn nil\n\t}\n\n\tif err := agent.Listen(agent.Options{}); err != nil {\n\t\treturn fmt.Errorf(\"starting gops agent: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc loadEnvironment() error {\n\tif err := godotenv.Load(); err != nil {\n\t\treturn fmt.Errorf(\"loading .env file: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc initConfiguration() error {\n\tccconf.Init(flagConfigFile)\n\n\tcfg := ccconf.GetPackageConfig(\"main\")\n\tif cfg == nil {\n\t\treturn fmt.Errorf(\"main configuration must be present\")\n\t}\n\n\tconfig.Init(cfg)\n\treturn nil\n}\n\nfunc initDatabase() error {\n\tif config.Keys.DbConfig != nil {\n\t\tcfg := repository.DefaultConfig()\n\t\tdc := config.Keys.DbConfig\n\t\tif dc.CacheSizeMB > 0 {\n\t\t\tcfg.DbCacheSizeMB = dc.CacheSizeMB\n\t\t}\n\t\tif dc.SoftHeapLimitMB > 0 {\n\t\t\tcfg.DbSoftHeapLimitMB = dc.SoftHeapLimitMB\n\t\t}\n\t\tif dc.MaxOpenConnections > 0 {\n\t\t\tcfg.MaxOpenConnections = dc.MaxOpenConnections\n\t\t}\n\t\tif dc.MaxIdleConnections > 0 {\n\t\t\tcfg.MaxIdleConnections = dc.MaxIdleConnections\n\t\t}\n\t\tif dc.ConnectionMaxIdleTimeMins > 0 {\n\t\t\tcfg.ConnectionMaxIdleTime = time.Duration(dc.ConnectionMaxIdleTimeMins) * time.Minute\n\t\t}\n\t\tif dc.BusyTimeoutMs > 0 {\n\t\t\tcfg.BusyTimeoutMs = dc.BusyTimeoutMs\n\t\t}\n\t\trepository.SetConfig(cfg)\n\t}\n\trepository.Connect(config.Keys.DB)\n\treturn nil\n}\n\nfunc handleDatabaseCommands() error {\n\tif flagMigrateDB {\n\t\terr := repository.MigrateDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"migrating database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"MigrateDB Success: Migrated SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\tif flagRevertDB {\n\t\terr := repository.RevertDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"reverting database to version %d: %w\", repository.Version-1, err)\n\t\t}\n\t\tcclog.Exitf(\"RevertDB Success: Reverted SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version-1)\n\t}\n\n\tif flagForceDB {\n\t\terr := repository.ForceDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"forcing database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"ForceDB Success: Forced SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\treturn nil\n}\n\nfunc handleUserCommands() error {\n\tif config.Keys.DisableAuthentication && (flagNewUser != \"\" || flagDelUser != \"\") {\n\t\treturn fmt.Errorf(\"--add-user and --del-user can only be used if authentication is enabled\")\n\t}\n\n\tif !config.Keys.DisableAuthentication {\n\t\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n\t\t\tauth.Init(&cfg)\n\t\t} else {\n\t\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n\t\t\tauth.Init(nil)\n\t\t}\n\n\t\t// Check for default security keys\n\t\tcheckDefaultSecurityKeys()\n\n\t\tif flagNewUser != \"\" {\n\t\t\tif err := addUser(flagNewUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagDelUser != \"\" {\n\t\t\tif err := delUser(flagDelUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tauthHandle := auth.GetAuthInstance()\n\n\t\tif flagSyncLDAP {\n\t\t\tif err := syncLDAP(authHandle); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagGenJWT != \"\" {\n\t\t\tif err := generateJWT(authHandle, flagGenJWT); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nil\n}\n\n// checkDefaultSecurityKeys warns if default JWT keys are detected\nfunc checkDefaultSecurityKeys() {\n\t// Default JWT public key from init.go\n\tdefaultJWTPublic := \"REDACTED\"\n\n\tif os.Getenv(\"JWT_PUBLIC_KEY\") == defaultJWTPublic {\n\t\tcclog.Warn(\"Using default JWT keys - not recommended for production environments\")\n\t}\n}\n\nfunc addUser(userSpec string) error {\n\tparts := strings.SplitN(userSpec, \":\", 3)\n\tif len(parts) != 3 || len(parts[0]) == 0 {\n\t\treturn fmt.Errorf(\"invalid user format, want: :[admin,support,manager,api,user]:, have: %s\", userSpec)\n\t}\n\n\tur := repository.GetUserRepository()\n\tif err := ur.AddUser(&schema.User{\n\t\tUsername: parts[0],\n\t\tProjects: make([]string, 0),\n\t\tPassword: parts[2],\n\t\tRoles: strings.Split(parts[1], \",\"),\n\t}); err != nil {\n\t\treturn fmt.Errorf(\"adding user '%s' with roles '%s': %w\", parts[0], parts[1], err)\n\t}\n\n\tcclog.Infof(\"Add User: Added new user '%s' with roles '%s'\", parts[0], parts[1])\n\treturn nil\n}\n\nfunc delUser(username string) error {\n\tur := repository.GetUserRepository()\n\tif err := ur.DelUser(username); err != nil {\n\t\treturn fmt.Errorf(\"deleting user '%s': %w\", username, err)\n\t}\n\tcclog.Infof(\"Delete User: Deleted user '%s' from DB\", username)\n\treturn nil\n}\n\nfunc syncLDAP(authHandle *auth.Authentication) error {\n\tif authHandle.LdapAuth == nil {\n\t\treturn fmt.Errorf(\"LDAP authentication is not configured\")\n\t}\n\n\tif err := authHandle.LdapAuth.Sync(); err != nil {\n\t\treturn fmt.Errorf(\"synchronizing LDAP: %w\", err)\n\t}\n\n\tcclog.Print(\"Sync LDAP: LDAP synchronization successfull.\")\n\treturn nil\n}\n\nfunc generateJWT(authHandle *auth.Authentication, username string) error {\n\tur := repository.GetUserRepository()\n\tuser, err := ur.GetUser(username)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting user '%s': %w\", username, err)\n\t}\n\n\tif !user.HasRole(schema.RoleAPI) {\n\t\tcclog.Warnf(\"JWT: User '%s' does not have the role 'api'. REST API endpoints will return error!\\n\", user.Username)\n\t}\n\n\tjwt, err := authHandle.JwtAuth.ProvideJWT(user)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"generating JWT for user '%s': %w\", user.Username, err)\n\t}\n\n\tcclog.Printf(\"JWT: Successfully generated JWT for user '%s': %s\\n\", user.Username, jwt)\n\treturn nil\n}\n\nfunc initSubsystems() error {\n\t// Initialize nats client\n\tnatsConfig := ccconf.GetPackageConfig(\"nats\")\n\tif err := nats.Init(natsConfig); err != nil {\n\t\tcclog.Warnf(\"initializing (optional) nats client: %s\", err.Error())\n\t}\n\tnats.Connect()\n\n\t// Initialize job archive\n\tarchiveCfg := ccconf.GetPackageConfig(\"archive\")\n\tif archiveCfg == nil {\n\t\tcclog.Debug(\"Archive configuration not found, using default archive configuration\")\n\t\tarchiveCfg = json.RawMessage(defaultArchiveConfig)\n\t}\n\tif err := archive.Init(archiveCfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing archive: %w\", err)\n\t}\n\n\t// Handle database re-initialization\n\tif flagReinitDB {\n\t\tif err := importer.InitDB(); err != nil {\n\t\t\treturn fmt.Errorf(\"re-initializing repository DB: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Init DB: Successfully re-initialized repository DB.\")\n\t}\n\n\t// Handle job import\n\tif flagImportJob != \"\" {\n\t\tif err := importer.HandleImportFlag(flagImportJob); err != nil {\n\t\t\treturn fmt.Errorf(\"importing job: %w\", err)\n\t\t}\n\t\tcclog.Infof(\"Import Job: Imported Job '%s' into DB\", flagImportJob)\n\t}\n\n\t// Initialize taggers\n\tif config.Keys.EnableJobTaggers {\n\t\ttagger.Init()\n\t}\n\n\t// Apply tags if requested\n\tif flagApplyTags {\n\t\ttagger.Init()\n\n\t\tif err := tagger.RunTaggers(); err != nil {\n\t\t\treturn fmt.Errorf(\"running job taggers: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n}\n\nfunc runServer(ctx context.Context) error {\n\tvar wg sync.WaitGroup\n\n\t// Initialize metric store if configuration is provided\n\thaveMetricstore := false\n\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\tif mscfg != nil {\n\t\tmetrics := metricstore.BuildMetricList()\n\t\tmetricstore.Init(mscfg, metrics, &wg)\n\n\t\t// Inject repository as NodeProvider to break import cycle\n\t\tms := metricstore.GetMemoryStore()\n\t\tjobRepo := repository.GetJobRepository()\n\t\tms.SetNodeProvider(jobRepo)\n\t\tmetricstore.MetricStoreHandle = &metricstore.InternalMetricStore{}\n\t\thaveMetricstore = true\n\t} else {\n\t\tmetricstore.MetricStoreHandle = nil\n\t\tcclog.Debug(\"missing internal metricstore configuration\")\n\t}\n\n\t// Initialize external metric stores if configuration is provided\n\tmscfg = ccconf.GetPackageConfig(\"metric-store-external\")\n\tif mscfg != nil {\n\t\terr := metricdispatch.Init(mscfg)\n\n\t\tif err != nil {\n\t\t\tcclog.Debugf(\"error while initializing external metricdispatch: %v\", err)\n\t\t} else {\n\t\t\thaveMetricstore = true\n\t\t}\n\t}\n\n\tif !haveMetricstore {\n\t\treturn fmt.Errorf(\"missing metricstore configuration\")\n\t}\n\n\t// Start archiver and task manager\n\tarchiver.Start(repository.GetJobRepository(), ctx)\n\ttaskmanager.Start(ccconf.GetPackageConfig(\"cron\"), ccconf.GetPackageConfig(\"archive\"))\n\n\t// Initialize web UI\n\tcfg := ccconf.GetPackageConfig(\"ui\")\n\tif err := web.Init(cfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing web UI: %w\", err)\n\t}\n\n\t// Initialize HTTP server\n\tsrv, err := NewServer(version, commit, date)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"creating server: %w\", err)\n\t}\n\n\t// Channel to collect errors from server\n\terrChan := make(chan error, 1)\n\n\t// Start HTTP server\n\twg.Go(func() {\n\t\tif err := srv.Start(ctx); err != nil {\n\t\t\terrChan <- err\n\t\t}\n\t})\n\n\t// Handle shutdown signals\n\twg.Add(1)\n\tsigs := make(chan os.Signal, 1)\n\tsignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)\n\tgo func() {\n\t\tdefer wg.Done()\n\t\tselect {\n\t\tcase <-sigs:\n\t\t\tcclog.Info(\"Shutdown signal received\")\n\t\tcase <-ctx.Done():\n\t\t}\n\n\t\truntime.SystemdNotify(false, \"Shutting down ...\")\n\t\tsrv.Shutdown(ctx)\n\t\tutil.FsWatcherShutdown()\n\t\ttaskmanager.Shutdown()\n\t}()\n\n\t// Set GC percent if not configured\n\tif os.Getenv(envGOGC) == \"\" {\n\t\t// trigger GC when heap grows 15% above the previous live set\n\t\tdebug.SetGCPercent(15)\n\t}\n\truntime.SystemdNotify(true, \"running\")\n\n\twaitDone := make(chan struct{})\n\tgo func() {\n\t\twg.Wait()\n\t\tclose(waitDone)\n\t}()\n\n\tgo func() {\n\t\t<-waitDone\n\t\tclose(errChan)\n\t}()\n\n\t// Wait for either:\n\t// 1. An error from server startup\n\t// 2. Completion of all goroutines (normal shutdown or crash)\n\tselect {\n\tcase err := <-errChan:\n\t\t// errChan will be closed when waitDone is closed, which happens\n\t\t// when all goroutines complete (either from normal shutdown or error)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\tcase <-time.After(100 * time.Millisecond):\n\t\t// Give the server 100ms to start and report any immediate startup errors\n\t\t// After that, just wait for normal shutdown completion\n\t\tselect {\n\t\tcase err := <-errChan:\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase <-waitDone:\n\t\t\t// Normal shutdown completed\n\t\t}\n\t}\n\n\tcclog.Print(\"Graceful shutdown completed!\")\n\treturn nil\n}\n\nfunc run() error {\n\tcliInit()\n\n\tif flagVersion {\n\t\tprintVersion()\n\t\treturn nil\n\t}\n\n\t// Initialize logger\n\tcclog.Init(flagLogLevel, flagLogDateTime)\n\n\t// Handle init flag\n\tif flagInit {\n\t\tinitEnv()\n\t\tcclog.Exit(\"Successfully setup environment!\\n\" +\n\t\t\t\"Please review config.json and .env and adjust it to your needs.\\n\" +\n\t\t\t\"Add your job-archive at ./var/job-archive.\")\n\t}\n\n\t// Initialize gops agent\n\tif err := initGops(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems in dependency order:\n\t// 1. Load environment variables from .env file (contains sensitive configuration)\n\t// 2. Load configuration from config.json (may reference environment variables)\n\t// 3. Handle database migration commands if requested\n\t// 4. Initialize database connection (requires config for connection string)\n\t// 5. Handle user commands if requested (requires database and authentication config)\n\t// 6. Initialize subsystems like archive and metrics (require config and database)\n\n\t// Load environment and configuration\n\tif err := loadEnvironment(); err != nil {\n\t\treturn err\n\t}\n\n\tif err := initConfiguration(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle database migration (migrate, revert, force)\n\tif err := handleDatabaseCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize database\n\tif err := initDatabase(); err != nil {\n\t\treturn err\n\t}\n\n\t// Optimize database if requested\n\tif flagOptimizeDB {\n\t\tdb := repository.GetConnection()\n\t\tcclog.Print(\"Running VACUUM to reclaim space and defragment database...\")\n\t\tif _, err := db.DB.Exec(\"VACUUM\"); err != nil {\n\t\t\treturn fmt.Errorf(\"VACUUM failed: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Running ANALYZE to update query planner statistics...\")\n\t\tif _, err := db.DB.Exec(\"ANALYZE\"); err != nil {\n\t\t\treturn fmt.Errorf(\"ANALYZE failed: %w\", err)\n\t\t}\n\t\tcclog.Exitf(\"OptimizeDB Success: Database '%s' optimized (VACUUM + ANALYZE).\\n\", config.Keys.DB)\n\t}\n\n\t// Handle user commands (add, delete, sync, JWT)\n\tif err := handleUserCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Exit if start server is not requested\n\tif !flagServer {\n\t\tcclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")\n\t}\n\n\t// Run server with context\n\tctx, cancel := context.WithCancel(context.Background())\n\tdefer cancel()\n\n\treturn runServer(ctx)\n}\n\nfunc main() {\n\tif err := run(); err != nil {\n\t\tcclog.Error(err.Error())\n\t\tos.Exit(1)\n\t}\n}\n","structuredPatch":[{"oldStart":537,"oldLines":6,"newStart":537,"newLines":43,"lines":[" return err"," }"," ","+ // Handle checkpoint cleanup","+ if flagCleanupCheckpoints {","+ mscfg := ccconf.GetPackageConfig(\"metric-store\")","+ if mscfg == nil {","+ return fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")","+ }","+ if err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {","+ return fmt.Errorf(\"decoding metric-store config: %w\", err)","+ }","+ if metricstore.Keys.NumWorkers <= 0 {","+ metricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)","+ }","+","+ d, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)","+ if err != nil {","+ return fmt.Errorf(\"parsing retention-in-memory: %w\", err)","+ }","+ from := time.Now().Add(-d)","+ deleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"","+ cleanupDir := \"\"","+ if !deleteMode {","+ cleanupDir = metricstore.Keys.Cleanup.RootDir","+ }","+","+ cclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))","+ n, err := metricstore.CleanupCheckpoints(","+ metricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)","+ if err != nil {","+ return fmt.Errorf(\"checkpoint cleanup: %w\", err)","+ }","+ if deleteMode {","+ cclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)","+ } else {","+ cclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)","+ }","+ }","+"," // Exit if start server is not requested"," if !flagServer {"," cclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"781cc9ac-7b0b-47af-9081-cc460592cf79","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"45581659-0b56-4d62-ac66-6e18ecf5a317","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_017x1GD6Z9bPaRhbMh2afwo2","type":"message","role":"assistant","content":[{"type":"text","text":"There's a conflict — `runtime` clashes with the already-imported `github.com/ClusterCockpit/cc-lib/v2/runtime`. I need to alias the standard library import."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1201,"cache_read_input_tokens":31499,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1201},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZKaMc1wJD9H3yvhNAn8B","type":"assistant","uuid":"1c2e2881-e051-4856-a841-eb6a95df7cb7","timestamp":"2026-03-23T06:56:49.273Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"1c2e2881-e051-4856-a841-eb6a95df7cb7","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_017x1GD6Z9bPaRhbMh2afwo2","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Tth9ujehZqyeuVph6BXn7A","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go","old_string":"\t\"runtime\"\n\t\"runtime/debug\"","new_string":"\tgoruntime \"runtime\"\n\t\"runtime/debug\""},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1201,"cache_read_input_tokens":31499,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1201},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZKaMc1wJD9H3yvhNAn8B","type":"assistant","uuid":"691d1857-ff43-4f2a-aed3-1df2f579847c","timestamp":"2026-03-23T06:56:50.624Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"691d1857-ff43-4f2a-aed3-1df2f579847c","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"callback"},"parentToolUseID":"toolu_01Tth9ujehZqyeuVph6BXn7A","toolUseID":"toolu_01Tth9ujehZqyeuVph6BXn7A","timestamp":"2026-03-23T06:56:50.640Z","uuid":"d31d33ae-20d4-45aa-a4a0-0b5e74c834cf","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"691d1857-ff43-4f2a-aed3-1df2f579847c","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Tth9ujehZqyeuVph6BXn7A","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go has been updated successfully."}]},"uuid":"8a2cd7b4-50bd-4620-9d62-8f1799fb1f34","timestamp":"2026-03-23T06:56:50.640Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go","oldString":"\t\"runtime\"\n\t\"runtime/debug\"","newString":"\tgoruntime \"runtime\"\n\t\"runtime/debug\"","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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// It orchestrates initialization of all subsystems including configuration,\n// database, authentication, and the HTTP server.\npackage main\n\nimport (\n\t\"context\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"os\"\n\t\"os/signal\"\n\t\"runtime\"\n\t\"runtime/debug\"\n\t\"strings\"\n\t\"sync\"\n\t\"syscall\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\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/metricdispatch\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/taskmanager\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n\t\"github.com/ClusterCockpit/cc-backend/web\"\n\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/runtime\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/google/gops/agent\"\n\t\"github.com/joho/godotenv\"\n\n\t_ \"github.com/mattn/go-sqlite3\"\n)\n\nconst logoString = `\n _____ _ _ ____ _ _ _\n/ ___| |_ _ ___| |_ ___ _ __ / ___|___ ___| | ___ __ (_) |_\n| | | | | | / __| __/ _ \\ '__| | / _ \\ / __| |/ / '_ \\| | __|\n| |___| | |_| \\__ \\ || __/ | | |__| (_) | (__| <| |_) | | |_\n\\_____|_|\\__,_|___/\\__\\___|_| \\____\\___/ \\___|_|\\_\\ .__/|_|\\__|\n |_|\n`\n\n// Environment variable names\nconst (\n\tenvGOGC = \"GOGC\"\n)\n\n// Default configurations\nconst (\n\tdefaultArchiveConfig = `{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`\n)\n\nvar (\n\tdate string\n\tcommit string\n\tversion string\n)\n\nfunc printVersion() {\n\tfmt.Print(logoString)\n\tfmt.Printf(\"Version:\\t%s\\n\", version)\n\tfmt.Printf(\"Git hash:\\t%s\\n\", commit)\n\tfmt.Printf(\"Build time:\\t%s\\n\", date)\n\tfmt.Printf(\"SQL db version:\\t%d\\n\", repository.Version)\n\tfmt.Printf(\"Job archive version:\\t%d\\n\", archive.Version)\n}\n\nfunc initGops() error {\n\tif !flagGops {\n\t\treturn nil\n\t}\n\n\tif err := agent.Listen(agent.Options{}); err != nil {\n\t\treturn fmt.Errorf(\"starting gops agent: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc loadEnvironment() error {\n\tif err := godotenv.Load(); err != nil {\n\t\treturn fmt.Errorf(\"loading .env file: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc initConfiguration() error {\n\tccconf.Init(flagConfigFile)\n\n\tcfg := ccconf.GetPackageConfig(\"main\")\n\tif cfg == nil {\n\t\treturn fmt.Errorf(\"main configuration must be present\")\n\t}\n\n\tconfig.Init(cfg)\n\treturn nil\n}\n\nfunc initDatabase() error {\n\tif config.Keys.DbConfig != nil {\n\t\tcfg := repository.DefaultConfig()\n\t\tdc := config.Keys.DbConfig\n\t\tif dc.CacheSizeMB > 0 {\n\t\t\tcfg.DbCacheSizeMB = dc.CacheSizeMB\n\t\t}\n\t\tif dc.SoftHeapLimitMB > 0 {\n\t\t\tcfg.DbSoftHeapLimitMB = dc.SoftHeapLimitMB\n\t\t}\n\t\tif dc.MaxOpenConnections > 0 {\n\t\t\tcfg.MaxOpenConnections = dc.MaxOpenConnections\n\t\t}\n\t\tif dc.MaxIdleConnections > 0 {\n\t\t\tcfg.MaxIdleConnections = dc.MaxIdleConnections\n\t\t}\n\t\tif dc.ConnectionMaxIdleTimeMins > 0 {\n\t\t\tcfg.ConnectionMaxIdleTime = time.Duration(dc.ConnectionMaxIdleTimeMins) * time.Minute\n\t\t}\n\t\tif dc.BusyTimeoutMs > 0 {\n\t\t\tcfg.BusyTimeoutMs = dc.BusyTimeoutMs\n\t\t}\n\t\trepository.SetConfig(cfg)\n\t}\n\trepository.Connect(config.Keys.DB)\n\treturn nil\n}\n\nfunc handleDatabaseCommands() error {\n\tif flagMigrateDB {\n\t\terr := repository.MigrateDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"migrating database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"MigrateDB Success: Migrated SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\tif flagRevertDB {\n\t\terr := repository.RevertDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"reverting database to version %d: %w\", repository.Version-1, err)\n\t\t}\n\t\tcclog.Exitf(\"RevertDB Success: Reverted SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version-1)\n\t}\n\n\tif flagForceDB {\n\t\terr := repository.ForceDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"forcing database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"ForceDB Success: Forced SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\treturn nil\n}\n\nfunc handleUserCommands() error {\n\tif config.Keys.DisableAuthentication && (flagNewUser != \"\" || flagDelUser != \"\") {\n\t\treturn fmt.Errorf(\"--add-user and --del-user can only be used if authentication is enabled\")\n\t}\n\n\tif !config.Keys.DisableAuthentication {\n\t\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n\t\t\tauth.Init(&cfg)\n\t\t} else {\n\t\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n\t\t\tauth.Init(nil)\n\t\t}\n\n\t\t// Check for default security keys\n\t\tcheckDefaultSecurityKeys()\n\n\t\tif flagNewUser != \"\" {\n\t\t\tif err := addUser(flagNewUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagDelUser != \"\" {\n\t\t\tif err := delUser(flagDelUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tauthHandle := auth.GetAuthInstance()\n\n\t\tif flagSyncLDAP {\n\t\t\tif err := syncLDAP(authHandle); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagGenJWT != \"\" {\n\t\t\tif err := generateJWT(authHandle, flagGenJWT); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nil\n}\n\n// checkDefaultSecurityKeys warns if default JWT keys are detected\nfunc checkDefaultSecurityKeys() {\n\t// Default JWT public key from init.go\n\tdefaultJWTPublic := \"REDACTED\"\n\n\tif os.Getenv(\"JWT_PUBLIC_KEY\") == defaultJWTPublic {\n\t\tcclog.Warn(\"Using default JWT keys - not recommended for production environments\")\n\t}\n}\n\nfunc addUser(userSpec string) error {\n\tparts := strings.SplitN(userSpec, \":\", 3)\n\tif len(parts) != 3 || len(parts[0]) == 0 {\n\t\treturn fmt.Errorf(\"invalid user format, want: :[admin,support,manager,api,user]:, have: %s\", userSpec)\n\t}\n\n\tur := repository.GetUserRepository()\n\tif err := ur.AddUser(&schema.User{\n\t\tUsername: parts[0],\n\t\tProjects: make([]string, 0),\n\t\tPassword: parts[2],\n\t\tRoles: strings.Split(parts[1], \",\"),\n\t}); err != nil {\n\t\treturn fmt.Errorf(\"adding user '%s' with roles '%s': %w\", parts[0], parts[1], err)\n\t}\n\n\tcclog.Infof(\"Add User: Added new user '%s' with roles '%s'\", parts[0], parts[1])\n\treturn nil\n}\n\nfunc delUser(username string) error {\n\tur := repository.GetUserRepository()\n\tif err := ur.DelUser(username); err != nil {\n\t\treturn fmt.Errorf(\"deleting user '%s': %w\", username, err)\n\t}\n\tcclog.Infof(\"Delete User: Deleted user '%s' from DB\", username)\n\treturn nil\n}\n\nfunc syncLDAP(authHandle *auth.Authentication) error {\n\tif authHandle.LdapAuth == nil {\n\t\treturn fmt.Errorf(\"LDAP authentication is not configured\")\n\t}\n\n\tif err := authHandle.LdapAuth.Sync(); err != nil {\n\t\treturn fmt.Errorf(\"synchronizing LDAP: %w\", err)\n\t}\n\n\tcclog.Print(\"Sync LDAP: LDAP synchronization successfull.\")\n\treturn nil\n}\n\nfunc generateJWT(authHandle *auth.Authentication, username string) error {\n\tur := repository.GetUserRepository()\n\tuser, err := ur.GetUser(username)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting user '%s': %w\", username, err)\n\t}\n\n\tif !user.HasRole(schema.RoleAPI) {\n\t\tcclog.Warnf(\"JWT: User '%s' does not have the role 'api'. REST API endpoints will return error!\\n\", user.Username)\n\t}\n\n\tjwt, err := authHandle.JwtAuth.ProvideJWT(user)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"generating JWT for user '%s': %w\", user.Username, err)\n\t}\n\n\tcclog.Printf(\"JWT: Successfully generated JWT for user '%s': %s\\n\", user.Username, jwt)\n\treturn nil\n}\n\nfunc initSubsystems() error {\n\t// Initialize nats client\n\tnatsConfig := ccconf.GetPackageConfig(\"nats\")\n\tif err := nats.Init(natsConfig); err != nil {\n\t\tcclog.Warnf(\"initializing (optional) nats client: %s\", err.Error())\n\t}\n\tnats.Connect()\n\n\t// Initialize job archive\n\tarchiveCfg := ccconf.GetPackageConfig(\"archive\")\n\tif archiveCfg == nil {\n\t\tcclog.Debug(\"Archive configuration not found, using default archive configuration\")\n\t\tarchiveCfg = json.RawMessage(defaultArchiveConfig)\n\t}\n\tif err := archive.Init(archiveCfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing archive: %w\", err)\n\t}\n\n\t// Handle database re-initialization\n\tif flagReinitDB {\n\t\tif err := importer.InitDB(); err != nil {\n\t\t\treturn fmt.Errorf(\"re-initializing repository DB: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Init DB: Successfully re-initialized repository DB.\")\n\t}\n\n\t// Handle job import\n\tif flagImportJob != \"\" {\n\t\tif err := importer.HandleImportFlag(flagImportJob); err != nil {\n\t\t\treturn fmt.Errorf(\"importing job: %w\", err)\n\t\t}\n\t\tcclog.Infof(\"Import Job: Imported Job '%s' into DB\", flagImportJob)\n\t}\n\n\t// Initialize taggers\n\tif config.Keys.EnableJobTaggers {\n\t\ttagger.Init()\n\t}\n\n\t// Apply tags if requested\n\tif flagApplyTags {\n\t\ttagger.Init()\n\n\t\tif err := tagger.RunTaggers(); err != nil {\n\t\t\treturn fmt.Errorf(\"running job taggers: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n}\n\nfunc runServer(ctx context.Context) error {\n\tvar wg sync.WaitGroup\n\n\t// Initialize metric store if configuration is provided\n\thaveMetricstore := false\n\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\tif mscfg != nil {\n\t\tmetrics := metricstore.BuildMetricList()\n\t\tmetricstore.Init(mscfg, metrics, &wg)\n\n\t\t// Inject repository as NodeProvider to break import cycle\n\t\tms := metricstore.GetMemoryStore()\n\t\tjobRepo := repository.GetJobRepository()\n\t\tms.SetNodeProvider(jobRepo)\n\t\tmetricstore.MetricStoreHandle = &metricstore.InternalMetricStore{}\n\t\thaveMetricstore = true\n\t} else {\n\t\tmetricstore.MetricStoreHandle = nil\n\t\tcclog.Debug(\"missing internal metricstore configuration\")\n\t}\n\n\t// Initialize external metric stores if configuration is provided\n\tmscfg = ccconf.GetPackageConfig(\"metric-store-external\")\n\tif mscfg != nil {\n\t\terr := metricdispatch.Init(mscfg)\n\n\t\tif err != nil {\n\t\t\tcclog.Debugf(\"error while initializing external metricdispatch: %v\", err)\n\t\t} else {\n\t\t\thaveMetricstore = true\n\t\t}\n\t}\n\n\tif !haveMetricstore {\n\t\treturn fmt.Errorf(\"missing metricstore configuration\")\n\t}\n\n\t// Start archiver and task manager\n\tarchiver.Start(repository.GetJobRepository(), ctx)\n\ttaskmanager.Start(ccconf.GetPackageConfig(\"cron\"), ccconf.GetPackageConfig(\"archive\"))\n\n\t// Initialize web UI\n\tcfg := ccconf.GetPackageConfig(\"ui\")\n\tif err := web.Init(cfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing web UI: %w\", err)\n\t}\n\n\t// Initialize HTTP server\n\tsrv, err := NewServer(version, commit, date)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"creating server: %w\", err)\n\t}\n\n\t// Channel to collect errors from server\n\terrChan := make(chan error, 1)\n\n\t// Start HTTP server\n\twg.Go(func() {\n\t\tif err := srv.Start(ctx); err != nil {\n\t\t\terrChan <- err\n\t\t}\n\t})\n\n\t// Handle shutdown signals\n\twg.Add(1)\n\tsigs := make(chan os.Signal, 1)\n\tsignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)\n\tgo func() {\n\t\tdefer wg.Done()\n\t\tselect {\n\t\tcase <-sigs:\n\t\t\tcclog.Info(\"Shutdown signal received\")\n\t\tcase <-ctx.Done():\n\t\t}\n\n\t\truntime.SystemdNotify(false, \"Shutting down ...\")\n\t\tsrv.Shutdown(ctx)\n\t\tutil.FsWatcherShutdown()\n\t\ttaskmanager.Shutdown()\n\t}()\n\n\t// Set GC percent if not configured\n\tif os.Getenv(envGOGC) == \"\" {\n\t\t// trigger GC when heap grows 15% above the previous live set\n\t\tdebug.SetGCPercent(15)\n\t}\n\truntime.SystemdNotify(true, \"running\")\n\n\twaitDone := make(chan struct{})\n\tgo func() {\n\t\twg.Wait()\n\t\tclose(waitDone)\n\t}()\n\n\tgo func() {\n\t\t<-waitDone\n\t\tclose(errChan)\n\t}()\n\n\t// Wait for either:\n\t// 1. An error from server startup\n\t// 2. Completion of all goroutines (normal shutdown or crash)\n\tselect {\n\tcase err := <-errChan:\n\t\t// errChan will be closed when waitDone is closed, which happens\n\t\t// when all goroutines complete (either from normal shutdown or error)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\tcase <-time.After(100 * time.Millisecond):\n\t\t// Give the server 100ms to start and report any immediate startup errors\n\t\t// After that, just wait for normal shutdown completion\n\t\tselect {\n\t\tcase err := <-errChan:\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase <-waitDone:\n\t\t\t// Normal shutdown completed\n\t\t}\n\t}\n\n\tcclog.Print(\"Graceful shutdown completed!\")\n\treturn nil\n}\n\nfunc run() error {\n\tcliInit()\n\n\tif flagVersion {\n\t\tprintVersion()\n\t\treturn nil\n\t}\n\n\t// Initialize logger\n\tcclog.Init(flagLogLevel, flagLogDateTime)\n\n\t// Handle init flag\n\tif flagInit {\n\t\tinitEnv()\n\t\tcclog.Exit(\"Successfully setup environment!\\n\" +\n\t\t\t\"Please review config.json and .env and adjust it to your needs.\\n\" +\n\t\t\t\"Add your job-archive at ./var/job-archive.\")\n\t}\n\n\t// Initialize gops agent\n\tif err := initGops(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems in dependency order:\n\t// 1. Load environment variables from .env file (contains sensitive configuration)\n\t// 2. Load configuration from config.json (may reference environment variables)\n\t// 3. Handle database migration commands if requested\n\t// 4. Initialize database connection (requires config for connection string)\n\t// 5. Handle user commands if requested (requires database and authentication config)\n\t// 6. Initialize subsystems like archive and metrics (require config and database)\n\n\t// Load environment and configuration\n\tif err := loadEnvironment(); err != nil {\n\t\treturn err\n\t}\n\n\tif err := initConfiguration(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle database migration (migrate, revert, force)\n\tif err := handleDatabaseCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize database\n\tif err := initDatabase(); err != nil {\n\t\treturn err\n\t}\n\n\t// Optimize database if requested\n\tif flagOptimizeDB {\n\t\tdb := repository.GetConnection()\n\t\tcclog.Print(\"Running VACUUM to reclaim space and defragment database...\")\n\t\tif _, err := db.DB.Exec(\"VACUUM\"); err != nil {\n\t\t\treturn fmt.Errorf(\"VACUUM failed: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Running ANALYZE to update query planner statistics...\")\n\t\tif _, err := db.DB.Exec(\"ANALYZE\"); err != nil {\n\t\t\treturn fmt.Errorf(\"ANALYZE failed: %w\", err)\n\t\t}\n\t\tcclog.Exitf(\"OptimizeDB Success: Database '%s' optimized (VACUUM + ANALYZE).\\n\", config.Keys.DB)\n\t}\n\n\t// Handle user commands (add, delete, sync, JWT)\n\tif err := handleUserCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle checkpoint cleanup\n\tif flagCleanupCheckpoints {\n\t\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\t\tif mscfg == nil {\n\t\t\treturn fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")\n\t\t}\n\t\tif err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {\n\t\t\treturn fmt.Errorf(\"decoding metric-store config: %w\", err)\n\t\t}\n\t\tif metricstore.Keys.NumWorkers <= 0 {\n\t\t\tmetricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)\n\t\t}\n\n\t\td, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"parsing retention-in-memory: %w\", err)\n\t\t}\n\t\tfrom := time.Now().Add(-d)\n\t\tdeleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"\n\t\tcleanupDir := \"\"\n\t\tif !deleteMode {\n\t\t\tcleanupDir = metricstore.Keys.Cleanup.RootDir\n\t\t}\n\n\t\tcclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))\n\t\tn, err := metricstore.CleanupCheckpoints(\n\t\t\tmetricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"checkpoint cleanup: %w\", err)\n\t\t}\n\t\tif deleteMode {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)\n\t\t} else {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)\n\t\t}\n\t}\n\n\t// Exit if start server is not requested\n\tif !flagServer {\n\t\tcclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")\n\t}\n\n\t// Run server with context\n\tctx, cancel := context.WithCancel(context.Background())\n\tdefer cancel()\n\n\treturn runServer(ctx)\n}\n\nfunc main() {\n\tif err := run(); err != nil {\n\t\tcclog.Error(err.Error())\n\t\tos.Exit(1)\n\t}\n}\n","structuredPatch":[{"oldStart":14,"oldLines":7,"newStart":14,"newLines":7,"lines":[" \"fmt\""," \"os\""," \"os/signal\"","- \"runtime\"","+ goruntime \"runtime\""," \"runtime/debug\""," \"strings\""," \"sync\""]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"691d1857-ff43-4f2a-aed3-1df2f579847c","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"8a2cd7b4-50bd-4620-9d62-8f1799fb1f34","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_017x1GD6Z9bPaRhbMh2afwo2","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01P9xHeHMKnB6t2CXzdZQhfh","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go","old_string":"\t\t\tmetricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)","new_string":"\t\t\tmetricstore.Keys.NumWorkers = min(goruntime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1201,"cache_read_input_tokens":31499,"output_tokens":389,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1201,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZKaMc1wJD9H3yvhNAn8B","type":"assistant","uuid":"d549f11d-c0b6-4c84-bc4c-55fc78559487","timestamp":"2026-03-23T06:56:51.669Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"d549f11d-c0b6-4c84-bc4c-55fc78559487","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Edit","command":"callback"},"parentToolUseID":"toolu_01P9xHeHMKnB6t2CXzdZQhfh","toolUseID":"toolu_01P9xHeHMKnB6t2CXzdZQhfh","timestamp":"2026-03-23T06:56:51.686Z","uuid":"700d42d0-1606-4a44-9724-60fa3d05e775","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"d549f11d-c0b6-4c84-bc4c-55fc78559487","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01P9xHeHMKnB6t2CXzdZQhfh","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go has been updated successfully."}]},"uuid":"411d0927-aa47-4699-b10b-cafca5eba4c2","timestamp":"2026-03-23T06:56:51.686Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/cmd/cc-backend/main.go","oldString":"\t\t\tmetricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)","newString":"\t\t\tmetricstore.Keys.NumWorkers = min(goruntime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)","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\n// Package main provides the entry point for the ClusterCockpit backend server.\n// It orchestrates initialization of all subsystems including configuration,\n// database, authentication, and the HTTP server.\npackage main\n\nimport (\n\t\"context\"\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"os\"\n\t\"os/signal\"\n\tgoruntime \"runtime\"\n\t\"runtime/debug\"\n\t\"strings\"\n\t\"sync\"\n\t\"syscall\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/archiver\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/auth\"\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/metricdispatch\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/repository\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/tagger\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/taskmanager\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/archive\"\n\t\"github.com/ClusterCockpit/cc-backend/pkg/metricstore\"\n\t\"github.com/ClusterCockpit/cc-backend/web\"\n\tccconf \"github.com/ClusterCockpit/cc-lib/v2/ccConfig\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/runtime\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/util\"\n\t\"github.com/google/gops/agent\"\n\t\"github.com/joho/godotenv\"\n\n\t_ \"github.com/mattn/go-sqlite3\"\n)\n\nconst logoString = `\n _____ _ _ ____ _ _ _\n/ ___| |_ _ ___| |_ ___ _ __ / ___|___ ___| | ___ __ (_) |_\n| | | | | | / __| __/ _ \\ '__| | / _ \\ / __| |/ / '_ \\| | __|\n| |___| | |_| \\__ \\ || __/ | | |__| (_) | (__| <| |_) | | |_\n\\_____|_|\\__,_|___/\\__\\___|_| \\____\\___/ \\___|_|\\_\\ .__/|_|\\__|\n |_|\n`\n\n// Environment variable names\nconst (\n\tenvGOGC = \"GOGC\"\n)\n\n// Default configurations\nconst (\n\tdefaultArchiveConfig = `{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`\n)\n\nvar (\n\tdate string\n\tcommit string\n\tversion string\n)\n\nfunc printVersion() {\n\tfmt.Print(logoString)\n\tfmt.Printf(\"Version:\\t%s\\n\", version)\n\tfmt.Printf(\"Git hash:\\t%s\\n\", commit)\n\tfmt.Printf(\"Build time:\\t%s\\n\", date)\n\tfmt.Printf(\"SQL db version:\\t%d\\n\", repository.Version)\n\tfmt.Printf(\"Job archive version:\\t%d\\n\", archive.Version)\n}\n\nfunc initGops() error {\n\tif !flagGops {\n\t\treturn nil\n\t}\n\n\tif err := agent.Listen(agent.Options{}); err != nil {\n\t\treturn fmt.Errorf(\"starting gops agent: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc loadEnvironment() error {\n\tif err := godotenv.Load(); err != nil {\n\t\treturn fmt.Errorf(\"loading .env file: %w\", err)\n\t}\n\treturn nil\n}\n\nfunc initConfiguration() error {\n\tccconf.Init(flagConfigFile)\n\n\tcfg := ccconf.GetPackageConfig(\"main\")\n\tif cfg == nil {\n\t\treturn fmt.Errorf(\"main configuration must be present\")\n\t}\n\n\tconfig.Init(cfg)\n\treturn nil\n}\n\nfunc initDatabase() error {\n\tif config.Keys.DbConfig != nil {\n\t\tcfg := repository.DefaultConfig()\n\t\tdc := config.Keys.DbConfig\n\t\tif dc.CacheSizeMB > 0 {\n\t\t\tcfg.DbCacheSizeMB = dc.CacheSizeMB\n\t\t}\n\t\tif dc.SoftHeapLimitMB > 0 {\n\t\t\tcfg.DbSoftHeapLimitMB = dc.SoftHeapLimitMB\n\t\t}\n\t\tif dc.MaxOpenConnections > 0 {\n\t\t\tcfg.MaxOpenConnections = dc.MaxOpenConnections\n\t\t}\n\t\tif dc.MaxIdleConnections > 0 {\n\t\t\tcfg.MaxIdleConnections = dc.MaxIdleConnections\n\t\t}\n\t\tif dc.ConnectionMaxIdleTimeMins > 0 {\n\t\t\tcfg.ConnectionMaxIdleTime = time.Duration(dc.ConnectionMaxIdleTimeMins) * time.Minute\n\t\t}\n\t\tif dc.BusyTimeoutMs > 0 {\n\t\t\tcfg.BusyTimeoutMs = dc.BusyTimeoutMs\n\t\t}\n\t\trepository.SetConfig(cfg)\n\t}\n\trepository.Connect(config.Keys.DB)\n\treturn nil\n}\n\nfunc handleDatabaseCommands() error {\n\tif flagMigrateDB {\n\t\terr := repository.MigrateDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"migrating database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"MigrateDB Success: Migrated SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\tif flagRevertDB {\n\t\terr := repository.RevertDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"reverting database to version %d: %w\", repository.Version-1, err)\n\t\t}\n\t\tcclog.Exitf(\"RevertDB Success: Reverted SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version-1)\n\t}\n\n\tif flagForceDB {\n\t\terr := repository.ForceDB(config.Keys.DB)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"forcing database to version %d: %w\", repository.Version, err)\n\t\t}\n\t\tcclog.Exitf(\"ForceDB Success: Forced SQLite database at '%s' to version %d.\\n\",\n\t\t\tconfig.Keys.DB, repository.Version)\n\t}\n\n\treturn nil\n}\n\nfunc handleUserCommands() error {\n\tif config.Keys.DisableAuthentication && (flagNewUser != \"\" || flagDelUser != \"\") {\n\t\treturn fmt.Errorf(\"--add-user and --del-user can only be used if authentication is enabled\")\n\t}\n\n\tif !config.Keys.DisableAuthentication {\n\t\tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n\t\t\tauth.Init(&cfg)\n\t\t} else {\n\t\t\tcclog.Warn(\"Authentication disabled due to missing configuration\")\n\t\t\tauth.Init(nil)\n\t\t}\n\n\t\t// Check for default security keys\n\t\tcheckDefaultSecurityKeys()\n\n\t\tif flagNewUser != \"\" {\n\t\t\tif err := addUser(flagNewUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagDelUser != \"\" {\n\t\t\tif err := delUser(flagDelUser); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tauthHandle := auth.GetAuthInstance()\n\n\t\tif flagSyncLDAP {\n\t\t\tif err := syncLDAP(authHandle); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\n\t\tif flagGenJWT != \"\" {\n\t\t\tif err := generateJWT(authHandle, flagGenJWT); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t}\n\t}\n\n\treturn nil\n}\n\n// checkDefaultSecurityKeys warns if default JWT keys are detected\nfunc checkDefaultSecurityKeys() {\n\t// Default JWT public key from init.go\n\tdefaultJWTPublic := \"REDACTED\"\n\n\tif os.Getenv(\"JWT_PUBLIC_KEY\") == defaultJWTPublic {\n\t\tcclog.Warn(\"Using default JWT keys - not recommended for production environments\")\n\t}\n}\n\nfunc addUser(userSpec string) error {\n\tparts := strings.SplitN(userSpec, \":\", 3)\n\tif len(parts) != 3 || len(parts[0]) == 0 {\n\t\treturn fmt.Errorf(\"invalid user format, want: :[admin,support,manager,api,user]:, have: %s\", userSpec)\n\t}\n\n\tur := repository.GetUserRepository()\n\tif err := ur.AddUser(&schema.User{\n\t\tUsername: parts[0],\n\t\tProjects: make([]string, 0),\n\t\tPassword: parts[2],\n\t\tRoles: strings.Split(parts[1], \",\"),\n\t}); err != nil {\n\t\treturn fmt.Errorf(\"adding user '%s' with roles '%s': %w\", parts[0], parts[1], err)\n\t}\n\n\tcclog.Infof(\"Add User: Added new user '%s' with roles '%s'\", parts[0], parts[1])\n\treturn nil\n}\n\nfunc delUser(username string) error {\n\tur := repository.GetUserRepository()\n\tif err := ur.DelUser(username); err != nil {\n\t\treturn fmt.Errorf(\"deleting user '%s': %w\", username, err)\n\t}\n\tcclog.Infof(\"Delete User: Deleted user '%s' from DB\", username)\n\treturn nil\n}\n\nfunc syncLDAP(authHandle *auth.Authentication) error {\n\tif authHandle.LdapAuth == nil {\n\t\treturn fmt.Errorf(\"LDAP authentication is not configured\")\n\t}\n\n\tif err := authHandle.LdapAuth.Sync(); err != nil {\n\t\treturn fmt.Errorf(\"synchronizing LDAP: %w\", err)\n\t}\n\n\tcclog.Print(\"Sync LDAP: LDAP synchronization successfull.\")\n\treturn nil\n}\n\nfunc generateJWT(authHandle *auth.Authentication, username string) error {\n\tur := repository.GetUserRepository()\n\tuser, err := ur.GetUser(username)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting user '%s': %w\", username, err)\n\t}\n\n\tif !user.HasRole(schema.RoleAPI) {\n\t\tcclog.Warnf(\"JWT: User '%s' does not have the role 'api'. REST API endpoints will return error!\\n\", user.Username)\n\t}\n\n\tjwt, err := authHandle.JwtAuth.ProvideJWT(user)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"generating JWT for user '%s': %w\", user.Username, err)\n\t}\n\n\tcclog.Printf(\"JWT: Successfully generated JWT for user '%s': %s\\n\", user.Username, jwt)\n\treturn nil\n}\n\nfunc initSubsystems() error {\n\t// Initialize nats client\n\tnatsConfig := ccconf.GetPackageConfig(\"nats\")\n\tif err := nats.Init(natsConfig); err != nil {\n\t\tcclog.Warnf(\"initializing (optional) nats client: %s\", err.Error())\n\t}\n\tnats.Connect()\n\n\t// Initialize job archive\n\tarchiveCfg := ccconf.GetPackageConfig(\"archive\")\n\tif archiveCfg == nil {\n\t\tcclog.Debug(\"Archive configuration not found, using default archive configuration\")\n\t\tarchiveCfg = json.RawMessage(defaultArchiveConfig)\n\t}\n\tif err := archive.Init(archiveCfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing archive: %w\", err)\n\t}\n\n\t// Handle database re-initialization\n\tif flagReinitDB {\n\t\tif err := importer.InitDB(); err != nil {\n\t\t\treturn fmt.Errorf(\"re-initializing repository DB: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Init DB: Successfully re-initialized repository DB.\")\n\t}\n\n\t// Handle job import\n\tif flagImportJob != \"\" {\n\t\tif err := importer.HandleImportFlag(flagImportJob); err != nil {\n\t\t\treturn fmt.Errorf(\"importing job: %w\", err)\n\t\t}\n\t\tcclog.Infof(\"Import Job: Imported Job '%s' into DB\", flagImportJob)\n\t}\n\n\t// Initialize taggers\n\tif config.Keys.EnableJobTaggers {\n\t\ttagger.Init()\n\t}\n\n\t// Apply tags if requested\n\tif flagApplyTags {\n\t\ttagger.Init()\n\n\t\tif err := tagger.RunTaggers(); err != nil {\n\t\t\treturn fmt.Errorf(\"running job taggers: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n}\n\nfunc runServer(ctx context.Context) error {\n\tvar wg sync.WaitGroup\n\n\t// Initialize metric store if configuration is provided\n\thaveMetricstore := false\n\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\tif mscfg != nil {\n\t\tmetrics := metricstore.BuildMetricList()\n\t\tmetricstore.Init(mscfg, metrics, &wg)\n\n\t\t// Inject repository as NodeProvider to break import cycle\n\t\tms := metricstore.GetMemoryStore()\n\t\tjobRepo := repository.GetJobRepository()\n\t\tms.SetNodeProvider(jobRepo)\n\t\tmetricstore.MetricStoreHandle = &metricstore.InternalMetricStore{}\n\t\thaveMetricstore = true\n\t} else {\n\t\tmetricstore.MetricStoreHandle = nil\n\t\tcclog.Debug(\"missing internal metricstore configuration\")\n\t}\n\n\t// Initialize external metric stores if configuration is provided\n\tmscfg = ccconf.GetPackageConfig(\"metric-store-external\")\n\tif mscfg != nil {\n\t\terr := metricdispatch.Init(mscfg)\n\n\t\tif err != nil {\n\t\t\tcclog.Debugf(\"error while initializing external metricdispatch: %v\", err)\n\t\t} else {\n\t\t\thaveMetricstore = true\n\t\t}\n\t}\n\n\tif !haveMetricstore {\n\t\treturn fmt.Errorf(\"missing metricstore configuration\")\n\t}\n\n\t// Start archiver and task manager\n\tarchiver.Start(repository.GetJobRepository(), ctx)\n\ttaskmanager.Start(ccconf.GetPackageConfig(\"cron\"), ccconf.GetPackageConfig(\"archive\"))\n\n\t// Initialize web UI\n\tcfg := ccconf.GetPackageConfig(\"ui\")\n\tif err := web.Init(cfg); err != nil {\n\t\treturn fmt.Errorf(\"initializing web UI: %w\", err)\n\t}\n\n\t// Initialize HTTP server\n\tsrv, err := NewServer(version, commit, date)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"creating server: %w\", err)\n\t}\n\n\t// Channel to collect errors from server\n\terrChan := make(chan error, 1)\n\n\t// Start HTTP server\n\twg.Go(func() {\n\t\tif err := srv.Start(ctx); err != nil {\n\t\t\terrChan <- err\n\t\t}\n\t})\n\n\t// Handle shutdown signals\n\twg.Add(1)\n\tsigs := make(chan os.Signal, 1)\n\tsignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)\n\tgo func() {\n\t\tdefer wg.Done()\n\t\tselect {\n\t\tcase <-sigs:\n\t\t\tcclog.Info(\"Shutdown signal received\")\n\t\tcase <-ctx.Done():\n\t\t}\n\n\t\truntime.SystemdNotify(false, \"Shutting down ...\")\n\t\tsrv.Shutdown(ctx)\n\t\tutil.FsWatcherShutdown()\n\t\ttaskmanager.Shutdown()\n\t}()\n\n\t// Set GC percent if not configured\n\tif os.Getenv(envGOGC) == \"\" {\n\t\t// trigger GC when heap grows 15% above the previous live set\n\t\tdebug.SetGCPercent(15)\n\t}\n\truntime.SystemdNotify(true, \"running\")\n\n\twaitDone := make(chan struct{})\n\tgo func() {\n\t\twg.Wait()\n\t\tclose(waitDone)\n\t}()\n\n\tgo func() {\n\t\t<-waitDone\n\t\tclose(errChan)\n\t}()\n\n\t// Wait for either:\n\t// 1. An error from server startup\n\t// 2. Completion of all goroutines (normal shutdown or crash)\n\tselect {\n\tcase err := <-errChan:\n\t\t// errChan will be closed when waitDone is closed, which happens\n\t\t// when all goroutines complete (either from normal shutdown or error)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\tcase <-time.After(100 * time.Millisecond):\n\t\t// Give the server 100ms to start and report any immediate startup errors\n\t\t// After that, just wait for normal shutdown completion\n\t\tselect {\n\t\tcase err := <-errChan:\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase <-waitDone:\n\t\t\t// Normal shutdown completed\n\t\t}\n\t}\n\n\tcclog.Print(\"Graceful shutdown completed!\")\n\treturn nil\n}\n\nfunc run() error {\n\tcliInit()\n\n\tif flagVersion {\n\t\tprintVersion()\n\t\treturn nil\n\t}\n\n\t// Initialize logger\n\tcclog.Init(flagLogLevel, flagLogDateTime)\n\n\t// Handle init flag\n\tif flagInit {\n\t\tinitEnv()\n\t\tcclog.Exit(\"Successfully setup environment!\\n\" +\n\t\t\t\"Please review config.json and .env and adjust it to your needs.\\n\" +\n\t\t\t\"Add your job-archive at ./var/job-archive.\")\n\t}\n\n\t// Initialize gops agent\n\tif err := initGops(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems in dependency order:\n\t// 1. Load environment variables from .env file (contains sensitive configuration)\n\t// 2. Load configuration from config.json (may reference environment variables)\n\t// 3. Handle database migration commands if requested\n\t// 4. Initialize database connection (requires config for connection string)\n\t// 5. Handle user commands if requested (requires database and authentication config)\n\t// 6. Initialize subsystems like archive and metrics (require config and database)\n\n\t// Load environment and configuration\n\tif err := loadEnvironment(); err != nil {\n\t\treturn err\n\t}\n\n\tif err := initConfiguration(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle database migration (migrate, revert, force)\n\tif err := handleDatabaseCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize database\n\tif err := initDatabase(); err != nil {\n\t\treturn err\n\t}\n\n\t// Optimize database if requested\n\tif flagOptimizeDB {\n\t\tdb := repository.GetConnection()\n\t\tcclog.Print(\"Running VACUUM to reclaim space and defragment database...\")\n\t\tif _, err := db.DB.Exec(\"VACUUM\"); err != nil {\n\t\t\treturn fmt.Errorf(\"VACUUM failed: %w\", err)\n\t\t}\n\t\tcclog.Print(\"Running ANALYZE to update query planner statistics...\")\n\t\tif _, err := db.DB.Exec(\"ANALYZE\"); err != nil {\n\t\t\treturn fmt.Errorf(\"ANALYZE failed: %w\", err)\n\t\t}\n\t\tcclog.Exitf(\"OptimizeDB Success: Database '%s' optimized (VACUUM + ANALYZE).\\n\", config.Keys.DB)\n\t}\n\n\t// Handle user commands (add, delete, sync, JWT)\n\tif err := handleUserCommands(); err != nil {\n\t\treturn err\n\t}\n\n\t// Initialize subsystems (archive, metrics, taggers)\n\tif err := initSubsystems(); err != nil {\n\t\treturn err\n\t}\n\n\t// Handle checkpoint cleanup\n\tif flagCleanupCheckpoints {\n\t\tmscfg := ccconf.GetPackageConfig(\"metric-store\")\n\t\tif mscfg == nil {\n\t\t\treturn fmt.Errorf(\"metric-store configuration required for checkpoint cleanup\")\n\t\t}\n\t\tif err := json.Unmarshal(mscfg, &metricstore.Keys); err != nil {\n\t\t\treturn fmt.Errorf(\"decoding metric-store config: %w\", err)\n\t\t}\n\t\tif metricstore.Keys.NumWorkers <= 0 {\n\t\t\tmetricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)\n\t\t}\n\n\t\td, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"parsing retention-in-memory: %w\", err)\n\t\t}\n\t\tfrom := time.Now().Add(-d)\n\t\tdeleteMode := metricstore.Keys.Cleanup == nil || metricstore.Keys.Cleanup.Mode != \"archive\"\n\t\tcleanupDir := \"\"\n\t\tif !deleteMode {\n\t\t\tcleanupDir = metricstore.Keys.Cleanup.RootDir\n\t\t}\n\n\t\tcclog.Infof(\"Cleaning up checkpoints older than %s...\", from.Format(time.RFC3339))\n\t\tn, err := metricstore.CleanupCheckpoints(\n\t\t\tmetricstore.Keys.Checkpoints.RootDir, cleanupDir, from.Unix(), deleteMode)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"checkpoint cleanup: %w\", err)\n\t\t}\n\t\tif deleteMode {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files deleted.\", n)\n\t\t} else {\n\t\t\tcclog.Exitf(\"Cleanup done: %d checkpoint files archived to parquet.\", n)\n\t\t}\n\t}\n\n\t// Exit if start server is not requested\n\tif !flagServer {\n\t\tcclog.Exit(\"No errors, server flag not set. Exiting cc-backend.\")\n\t}\n\n\t// Run server with context\n\tctx, cancel := context.WithCancel(context.Background())\n\tdefer cancel()\n\n\treturn runServer(ctx)\n}\n\nfunc main() {\n\tif err := run(); err != nil {\n\t\tcclog.Error(err.Error())\n\t\tos.Exit(1)\n\t}\n}\n","structuredPatch":[{"oldStart":547,"oldLines":7,"newStart":547,"newLines":7,"lines":[" return fmt.Errorf(\"decoding metric-store config: %w\", err)"," }"," if metricstore.Keys.NumWorkers <= 0 {","- metricstore.Keys.NumWorkers = min(runtime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)","+ metricstore.Keys.NumWorkers = min(goruntime.NumCPU()/2+1, metricstore.DefaultMaxWorkers)"," }"," "," d, err := time.ParseDuration(metricstore.Keys.RetentionInMemory)"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"d549f11d-c0b6-4c84-bc4c-55fc78559487","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"411d0927-aa47-4699-b10b-cafca5eba4c2","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_018w7KU3sAuTXV1duSbWWHJ6","type":"message","role":"assistant","content":[{"type":"text","text":"Let me verify the build compiles:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":619,"cache_read_input_tokens":32700,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":619},"output_tokens":3,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZKaN3TsoSa8HXbFBgXgD","type":"assistant","uuid":"7bd301d0-7657-470a-ada6-a4d663fd456a","timestamp":"2026-03-23T06:56:54.668Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"7bd301d0-7657-470a-ada6-a4d663fd456a","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_018w7KU3sAuTXV1duSbWWHJ6","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01LD8UCtgecyiiuPUASY2Tks","name":"Bash","input":{"command":"go build ./cmd/cc-backend/ 2>&1","description":"Build cc-backend to check for errors"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":619,"cache_read_input_tokens":32700,"output_tokens":116,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":619,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZKaN3TsoSa8HXbFBgXgD","type":"assistant","uuid":"fbf2adac-d1bb-41a7-9651-1b05d3f5caf9","timestamp":"2026-03-23T06:56:55.505Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"fbf2adac-d1bb-41a7-9651-1b05d3f5caf9","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01LD8UCtgecyiiuPUASY2Tks","type":"tool_result","content":"(Bash completed with no output)","is_error":false}]},"uuid":"b89ee5d0-9973-4d31-a734-841eee771f5d","timestamp":"2026-03-23T06:57:01.849Z","toolUseResult":{"stdout":"","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"fbf2adac-d1bb-41a7-9651-1b05d3f5caf9","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"b89ee5d0-9973-4d31-a734-841eee771f5d","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01APJihaQp3uG4SYt8oXNoN6","type":"message","role":"assistant","content":[{"type":"text","text":"Build succeeds. Let me also run vet:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":115,"cache_read_input_tokens":33319,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":115},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZKaNnp6jqrpnMEhPmrKY","type":"assistant","uuid":"1102bb8b-b4cd-421e-a1b7-7b585eead223","timestamp":"2026-03-23T06:57:05.310Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"1102bb8b-b4cd-421e-a1b7-7b585eead223","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01APJihaQp3uG4SYt8oXNoN6","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Bb2HTcUj8uxXvZ7nus5b4D","name":"Bash","input":{"command":"go vet ./cmd/cc-backend/ 2>&1","description":"Run go vet on cc-backend"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":115,"cache_read_input_tokens":33319,"output_tokens":101,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":115,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CZKaNnp6jqrpnMEhPmrKY","type":"assistant","uuid":"7694f8de-d653-4061-87c6-110f242ec7e7","timestamp":"2026-03-23T06:57:05.827Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"7694f8de-d653-4061-87c6-110f242ec7e7","isSidechain":false,"promptId":"0dc73acb-2137-4148-930c-043185127381","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Bb2HTcUj8uxXvZ7nus5b4D","type":"tool_result","content":"(Bash completed with no output)","is_error":false}]},"uuid":"83dc5956-ea9d-49f6-a4bb-7afded7add2c","timestamp":"2026-03-23T06:57:06.331Z","toolUseResult":{"stdout":"","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"7694f8de-d653-4061-87c6-110f242ec7e7","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"83dc5956-ea9d-49f6-a4bb-7afded7add2c","isSidechain":false,"message":{"model":"claude-opus-4-6","id":"msg_01FwT5QPcH2k3EMGVQCL2DsS","type":"message","role":"assistant","content":[{"type":"text","text":"Both build and vet pass. Here's a summary of what was changed:\n\n**`cmd/cc-backend/cli.go`**: Added `flagCleanupCheckpoints` bool variable and registered it as `-cleanup-checkpoints` flag.\n\n**`cmd/cc-backend/main.go`**: \n- Added `goruntime \"runtime\"` import (aliased to avoid conflict with `cc-lib/v2/runtime`)\n- Added handler block after `initSubsystems()` that decodes the metric-store config, computes the retention cutoff timestamp, and calls `metricstore.CleanupCheckpoints()`, then exits with a summary message"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":230,"cache_read_input_tokens":33434,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":230},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CZKaP7yGhQ4FGcPSbtVUh","type":"assistant","uuid":"2c041057-c74b-4163-8c81-301edf440f41","timestamp":"2026-03-23T06:57:12.737Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} +{"parentUuid":"2c041057-c74b-4163-8c81-301edf440f41","isSidechain":false,"type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"entire hooks claude-code stop"},"parentToolUseID":"42ab70f1-d072-496c-b0cf-408f850bd4c1","toolUseID":"42ab70f1-d072-496c-b0cf-408f850bd4c1","timestamp":"2026-03-23T06:57:13.179Z","uuid":"de86b133-18b1-452b-bc95-606cf89a1ecb","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"8ab761c6-59d1-48a4-99a5-cd20349df5df","version":"2.1.80","gitBranch":"hotfix","slug":"agile-napping-otter"} diff --git a/29/b9d52db89c/0/metadata.json b/29/b9d52db89c/0/metadata.json new file mode 100644 index 00000000..3b0e5a2f --- /dev/null +++ b/29/b9d52db89c/0/metadata.json @@ -0,0 +1,34 @@ +{ + "cli_version": "0.5.0", + "checkpoint_id": "29b9d52db89c", + "session_id": "8ab761c6-59d1-48a4-99a5-cd20349df5df", + "strategy": "manual-commit", + "created_at": "2026-03-23T06:58:35.440685Z", + "branch": "hotfix", + "checkpoints_count": 1, + "files_touched": [ + "cmd/cc-backend/cli.go", + "cmd/cc-backend/main.go" + ], + "agent": "Claude Code", + "turn_id": "f2ada1aa674e", + "token_usage": { + "input_tokens": 11, + "cache_creation_tokens": 25006, + "cache_read_tokens": 249407, + "output_tokens": 2665, + "api_call_count": 9 + }, + "session_metrics": { + "turn_count": 1 + }, + "initial_attribution": { + "calculated_at": "2026-03-23T06:58:35.355214Z", + "agent_lines": 41, + "human_added": 0, + "human_modified": 0, + "human_removed": 0, + "total_committed": 41, + "agent_percentage": 100 + } +} diff --git a/29/b9d52db89c/metadata.json b/29/b9d52db89c/metadata.json new file mode 100644 index 00000000..df73a931 --- /dev/null +++ b/29/b9d52db89c/metadata.json @@ -0,0 +1,26 @@ +{ + "cli_version": "0.5.0", + "checkpoint_id": "29b9d52db89c", + "strategy": "manual-commit", + "branch": "hotfix", + "checkpoints_count": 1, + "files_touched": [ + "cmd/cc-backend/cli.go", + "cmd/cc-backend/main.go" + ], + "sessions": [ + { + "metadata": "/29/b9d52db89c/0/metadata.json", + "transcript": "/29/b9d52db89c/0/full.jsonl", + "content_hash": "/29/b9d52db89c/0/content_hash.txt", + "prompt": "" + } + ], + "token_usage": { + "input_tokens": 11, + "cache_creation_tokens": 25006, + "cache_read_tokens": 249407, + "output_tokens": 2665, + "api_call_count": 9 + } +}