groups:

- name: ThanosSidecar

  
  rules:

    # Threshold of 0.05/s avoids firing on transient single-event spikes.
    - alert: ThanosSidecarBucketOperationsFailed
      expr: 'sum by (job, instance) (rate(thanos_objstore_bucket_operation_failures_total{job=~".*thanos-sidecar.*"}[5m])) > 0.05'
      for: 5m
      labels:
        severity: critical
      annotations:
        summary: Thanos Sidecar Bucket Operations Failed (instance {{ $labels.instance }})
        description: "Thanos Sidecar {{$labels.instance}} bucket operations are failing ({{ $value | humanize }}/s).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: ThanosSidecarNoConnectionToStartedPrometheus
      expr: 'thanos_sidecar_prometheus_up == 0 and on (namespace, pod) prometheus_tsdb_data_replay_duration_seconds != 0'
      for: 5m
      labels:
        severity: critical
      annotations:
        summary: Thanos Sidecar No Connection To Started Prometheus (instance {{ $labels.instance }})
        description: "Thanos Sidecar {{$labels.instance}} is unhealthy.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"