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9b1709a05b
Add comprehensive instance-level diagnostics to /api/monitoring/scheduler/health **New Response Structure:** Enhanced "instances" array with per-instance details: - Instance metadata: displayName, type, connection URL - Poll status: last success/error timestamps, error messages, error category - Circuit breaker: state, timestamps, failure counts, retry windows - Dead letter: present flag, reason, attempt history, retry schedule **Implementation:** Data structures: - instanceInfo: cache of display names, URLs, types - pollStatus: tracks successes/errors with timestamps and categories - dlqInsight: DLQ entry metadata (reason, attempts, schedule) - circuitBreaker: enhanced with stateSince, lastTransition Tracking logic: - buildInstanceInfoCache: populate metadata from config on startup - recordTaskResult: track poll outcomes, error details, categories - sendToDeadLetter: capture DLQ insights (reason, timestamps) - circuitBreaker: record state transitions with timestamps **Backward Compatible:** - Existing fields (deadLetter, breakers, staleness) unchanged - New "instances" array is additive - Old clients can ignore new fields **Testing:** - Unit test: TestSchedulerHealth_EnhancedResponse validates all fields - Integration tests: still passing (55s) - All error tracking and breaker history verified **Operator Benefits:** - Diagnose issues without log digging - See error messages directly in API - Understand breaker states and retry schedules - Track DLQ entries with full context - Single API call for complete instance health view Example: Quickly identify "401 unauthorized" on specific PBS instance, see it's in DLQ after 5 retries, and know when next retry scheduled. Part of Phase 2 follow-up work to improve observability. |
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| .. | ||
| adapters | ||
| alerts | ||
| api | ||
| auth | ||
| config | ||
| crypto | ||
| discovery | ||
| dockeragent | ||
| errors | ||
| interfaces | ||
| logging | ||
| mock | ||
| models | ||
| monitoring | ||
| notifications | ||
| ssh/knownhosts | ||
| tempproxy | ||
| types | ||
| updates | ||
| utils | ||
| websocket | ||