prometheus-ceph-v14-rules-external.yaml

apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  labels:
    prometheus: rook-prometheus
    role: alert-rules
  name: prometheus-ceph-rules
  namespace: rook-ceph
spec:
  groups:
  - name: persistent-volume-alert.rules
    rules:
    - alert: PersistentVolumeUsageNearFull
      annotations:
        description: PVC {{ $labels.persistentvolumeclaim }} utilization has crossed 75%. Free up some space or expand the PVC.
        message: PVC {{ $labels.persistentvolumeclaim }} is nearing full. Data deletion or PVC expansion is required.
        severity_level: warning
        storage_type: ceph
      expr: |
        (kubelet_volume_stats_used_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass)  group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) / (kubelet_volume_stats_capacity_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass)  group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) > 0.75
      for: 5s
      labels:
        severity: warning
    - alert: PersistentVolumeUsageCritical
      annotations:
        description: PVC {{ $labels.persistentvolumeclaim }} utilization has crossed 85%. Free up some space or expand the PVC immediately.
        message: PVC {{ $labels.persistentvolumeclaim }} is critically full. Data deletion or PVC expansion is required.
        severity_level: error
        storage_type: ceph
      expr: |
        (kubelet_volume_stats_used_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass)  group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) / (kubelet_volume_stats_capacity_bytes * on (namespace,persistentvolumeclaim) group_left(storageclass, provisioner) (kube_persistentvolumeclaim_info * on (storageclass)  group_left(provisioner) kube_storageclass_info {provisioner=~"(.*rbd.csi.ceph.com)|(.*cephfs.csi.ceph.com)"})) > 0.85
      for: 5s
      labels:
        severity: critical