infra4talos/apps-kustomized/kube-prometheus/prometheusOperator-prometheusRule.yaml

apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  labels:
    app.kubernetes.io/component: controller
    app.kubernetes.io/name: prometheus-operator
    app.kubernetes.io/part-of: kube-prometheus
    app.kubernetes.io/version: 0.67.1
    prometheus: k8s
    role: alert-rules
  name: prometheus-operator-rules
  namespace: monitoring
  annotations:
    argocd.argoproj.io/sync-wave: '1'
spec:
  groups:
    - name: prometheus-operator
      rules:
        - alert: PrometheusOperatorListErrors
          annotations:
            description: Errors while performing List operations in controller {{$labels.controller}}
              in {{$labels.namespace}} namespace.
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorlisterrors
            summary: Errors while performing list operations in controller.
          expr: '(sum by (cluster,controller,namespace) (rate(prometheus_operator_list_operations_failed_total{job="prometheus-operator",namespace="monitoring"}[10m]))
            / sum by (cluster,controller,namespace) (rate(prometheus_operator_list_operations_total{job="prometheus-operator",namespace="monitoring"}[10m])))
            > 0.4

            '
          for: 15m
          labels:
            severity: warning
        - alert: PrometheusOperatorWatchErrors
          annotations:
            description: Errors while performing watch operations in controller {{$labels.controller}}
              in {{$labels.namespace}} namespace.
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorwatcherrors
            summary: Errors while performing watch operations in controller.
          expr: '(sum by (cluster,controller,namespace) (rate(prometheus_operator_watch_operations_failed_total{job="prometheus-operator",namespace="monitoring"}[5m]))
            / sum by (cluster,controller,namespace) (rate(prometheus_operator_watch_operations_total{job="prometheus-operator",namespace="monitoring"}[5m])))
            > 0.4

            '
          for: 15m
          labels:
            severity: warning
        - alert: PrometheusOperatorSyncFailed
          annotations:
            description: Controller {{ $labels.controller }} in {{ $labels.namespace
              }} namespace fails to reconcile {{ $value }} objects.
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorsyncfailed
            summary: Last controller reconciliation failed
          expr: 'min_over_time(prometheus_operator_syncs{status="failed",job="prometheus-operator",namespace="monitoring"}[5m])
            > 0

            '
          for: 10m
          labels:
            severity: warning
        - alert: PrometheusOperatorReconcileErrors
          annotations:
            description: '{{ $value | humanizePercentage }} of reconciling operations
              failed for {{ $labels.controller }} controller in {{ $labels.namespace
              }} namespace.'
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorreconcileerrors
            summary: Errors while reconciling controller.
          expr: '(sum by (cluster,controller,namespace) (rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator",namespace="monitoring"}[5m])))
            / (sum by (cluster,controller,namespace) (rate(prometheus_operator_reconcile_operations_total{job="prometheus-operator",namespace="monitoring"}[5m])))
            > 0.1

            '
          for: 10m
          labels:
            severity: warning
        - alert: PrometheusOperatorNodeLookupErrors
          annotations:
            description: Errors while reconciling Prometheus in {{ $labels.namespace
              }} Namespace.
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatornodelookuperrors
            summary: Errors while reconciling Prometheus.
          expr: 'rate(prometheus_operator_node_address_lookup_errors_total{job="prometheus-operator",namespace="monitoring"}[5m])
            > 0.1

            '
          for: 10m
          labels:
            severity: warning
        - alert: PrometheusOperatorNotReady
          annotations:
            description: Prometheus operator in {{ $labels.namespace }} namespace
              isn't ready to reconcile {{ $labels.controller }} resources.
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatornotready
            summary: Prometheus operator not ready
          expr: 'min by (cluster,controller,namespace) (max_over_time(prometheus_operator_ready{job="prometheus-operator",namespace="monitoring"}[5m])
            == 0)

            '
          for: 5m
          labels:
            severity: warning
        - alert: PrometheusOperatorRejectedResources
          annotations:
            description: Prometheus operator in {{ $labels.namespace }} namespace
              rejected {{ printf "%0.0f" $value }} {{ $labels.controller }}/{{ $labels.resource
              }} resources.
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorrejectedresources
            summary: Resources rejected by Prometheus operator
          expr: 'min_over_time(prometheus_operator_managed_resources{state="rejected",job="prometheus-operator",namespace="monitoring"}[5m])
            > 0

            '
          for: 5m
          labels:
            severity: warning
    - name: config-reloaders
      rules:
        - alert: ConfigReloaderSidecarErrors
          annotations:
            description: 'Errors encountered while the {{$labels.pod}} config-reloader
              sidecar attempts to sync config in {{$labels.namespace}} namespace.

              As a result, configuration for service running in {{$labels.pod}} may
              be stale and cannot be updated anymore.'
            runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/configreloadersidecarerrors
            summary: config-reloader sidecar has not had a successful reload for 10m
          expr: 'max_over_time(reloader_last_reload_successful{namespace=~".+"}[5m])
            == 0

            '
          for: 10m
          labels:
            severity: warning