{
   "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": "0.64.1",
         "prometheus": "k8s",
         "role": "alert-rules"
      },
      "name": "prometheus-operator-rules",
      "namespace": "monitoring"
   },
   "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 (controller,namespace) (rate(prometheus_operator_list_operations_failed_total{job=\"prometheus-operator\",namespace=\"monitoring\"}[10m])) / sum by (controller,namespace) (rate(prometheus_operator_list_operations_total{job=\"prometheus-operator\",namespace=\"monitoring\"}[10m]))) > 0.4\n",
                  "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 (controller,namespace) (rate(prometheus_operator_watch_operations_failed_total{job=\"prometheus-operator\",namespace=\"monitoring\"}[5m])) / sum by (controller,namespace) (rate(prometheus_operator_watch_operations_total{job=\"prometheus-operator\",namespace=\"monitoring\"}[5m]))) > 0.4\n",
                  "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\n",
                  "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 (controller,namespace) (rate(prometheus_operator_reconcile_errors_total{job=\"prometheus-operator\",namespace=\"monitoring\"}[5m]))) / (sum by (controller,namespace) (rate(prometheus_operator_reconcile_operations_total{job=\"prometheus-operator\",namespace=\"monitoring\"}[5m]))) > 0.1\n",
                  "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\n",
                  "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 (controller,namespace) (max_over_time(prometheus_operator_ready{job=\"prometheus-operator\",namespace=\"monitoring\"}[5m]) == 0)\n",
                  "for": "5m",
                  "labels": {
                     "severity": "warning"
                  }
               },
               {
                  "alert": "PrometheusOperatorRejectedResources",
                  "annotations": {
                     "description": "Prometheus operator in {{ $labels.namespace }} namespace rejected {{ printf \"%0.0f\" $value }} {{ $labels.controller }}/{{ $labels.resource }} resources.",
                     "runbook_url": "https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorrejectedresources",
                     "summary": "Resources rejected by Prometheus operator"
                  },
                  "expr": "min_over_time(prometheus_operator_managed_resources{state=\"rejected\",job=\"prometheus-operator\",namespace=\"monitoring\"}[5m]) > 0\n",
                  "for": "5m",
                  "labels": {
                     "severity": "warning"
                  }
               }
            ]
         },
         {
            "name": "config-reloaders",
            "rules": [
               {
                  "alert": "ConfigReloaderSidecarErrors",
                  "annotations": {
                     "description": "Errors encountered while the {{$labels.pod}} config-reloader sidecar attempts to sync config in {{$labels.namespace}} namespace.\nAs a result, configuration for service running in {{$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\n",
                  "for": "10m",
                  "labels": {
                     "severity": "warning"
                  }
               }
            ]
         }
      ]
   }
}