# LNM Migration Alert Rules
# Prometheus alerting rules for linkset/advisory migrations

groups:
  - name: lnm-migration
    rules:
      - alert: LnmMigrationErrorRate
        expr: rate(lnm_migration_errors_total[5m]) > 0.1
        for: 5m
        labels:
          severity: warning
          team: concelier
        annotations:
          summary: "LNM migration error rate elevated"
          description: "Migration errors: {{ $value | printf \"%.2f\" }}/s"

      - alert: LnmBackfillStalled
        expr: increase(lnm_backfill_processed_total[10m]) == 0 and lnm_backfill_running == 1
        for: 10m
        labels:
          severity: critical
          team: concelier
        annotations:
          summary: "LNM backfill stalled"
          description: "No progress in 10 minutes while backfill is running"

      - alert: LnmLinksetCountMismatch
        expr: abs(lnm_linksets_total - lnm_linksets_expected) > 100
        for: 15m
        labels:
          severity: warning
          team: concelier
        annotations:
          summary: "Linkset count mismatch"
          description: "Expected {{ $labels.expected }}, got {{ $value }}"

      - alert: LnmObservationsBacklogHigh
        expr: lnm_observations_backlog > 10000
        for: 5m
        labels:
          severity: warning
          team: excititor
        annotations:
          summary: "Advisory observations backlog high"
          description: "Backlog: {{ $value }} items"

  - name: lnm-sla
    rules:
      - alert: LnmIngestToApiLatencyHigh
        expr: histogram_quantile(0.95, rate(lnm_ingest_to_api_latency_seconds_bucket[5m])) > 30
        for: 10m
        labels:
          severity: warning
          team: platform
        annotations:
          summary: "Ingest to API latency exceeds SLA"
          description: "P95 latency: {{ $value | printf \"%.1f\" }}s (SLA: 30s)"