apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: {{ printf "%s-%s" (include "kubezero-lib.fullname" $) "prometheus-operator" | trunc 63 | trimSuffix "-" }}
  namespace: {{ .Release.Namespace }}
  labels:
    {{- include "kubezero-lib.labels" . | nindent 4 }}
spec:
  groups:
  - name: prometheus-operator
    rules:
    - alert: PrometheusOperatorListErrors
      annotations:
        description: Errors while performing List operations in controller {{`{{`}}$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 objects.
      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: PrometheusOperatorStatusUpdateErrors
      annotations:
        description: '{{`{{`}} $value | humanizePercentage {{`}}`}} of status update operations failed for {{`{{`}} $labels.controller {{`}}`}} controller in {{`{{`}} $labels.namespace {{`}}`}} namespace.'
        runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorstatusupdateerrors
        summary: Errors while updating objects status.
      expr: '(sum by (cluster,controller,namespace) (rate(prometheus_operator_status_update_errors_total{job="prometheus-operator",namespace="monitoring"}[5m]))) / (sum by (cluster,controller,namespace) (rate(prometheus_operator_status_update_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

