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Oliver Kieselbach
4ebd60fb1e
Customers cannot tell why a gather rule produces nothing in the timeline (e.g. a logparser rule with emit_mode on_change that never emits). New per-tenant boolean EnableGatherRuleDebugLog (EnableImeMatchLog-style plumbing end to end): when enabled, the agent writes %ProgramData%\AutopilotMonitor\Logs\gather_rules_debug.log with one pipe-delimited line per evaluation decision across all previously silent "produced nothing" exits — disabled rules, interval without intervalSeconds, first-tick-after-one-full-interval, phase-scope skips incl. currentPhase=Unknown, per-(rule, phase) dedup, empty collector results (emitOnlyIfExists), on_change hash suppression (hash prefix + streak), guard blocks, logparser per-file outcomes (position skips, format=text hint when every line fails CMTrace parsing, maxLines and wildcard caps), and full exception stacks the agent log drops. - Backend: ConfigVersion 35 -> 36; TenantConfiguration/AgentConfigResponse field + TableConfigRepository Store+Map - Agent: GatherRuleDebugLog writer (10 MB cap, one .old generation, failures swallowed, optional console echo), GatherRuleContext.DebugLog (null-safe no-op), trace points in executor + collectors; never writes under _scopeLock (reasons captured inside, written after release); merger bool->path projection with --gather-debug-log CLI override tolerance; deliberately NOT in the offline-cache strip lists; --run-gather-rules always traces; zero-rules delivery leaves a one-line file instead of nothing - Side fix: GatherRuleExecutorHost now passes the logger into InformationalEventPost so gather-event emissions hit the DEBUG log - Web: tenant settings toggle (Settings -> Agent) + admin tenant-config report rows - Tests: merger on/off/override, writer format+rotation, executor debug lines, logparser debug lines (agent 2131, backend 3561, tsc green) - Docs: docs/agent/gather-rule-debug-log.md + index/log entries Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>