105 lines
6.6 KiB
YAML
105 lines
6.6 KiB
YAML
{{- if index .Values "lvm-localpv" "prometheus" "enabled" }}
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: {{ printf "%s-%s" (include "kubezero-lib.fullname" $) "prometheus-rules" | trunc 63 | trimSuffix "-" }}
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "kubezero-lib.labels" . | nindent 4 }}
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spec:
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groups:
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- name: lvm-pool
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rules:
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- alert: LVMVolumeGroupMissingPhysicalVolume
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annotations:
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componentType: volume group
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description: LVM volume group '{{`{{`}} $labels.name {{`}}`}}' on node '{{`{{`}} $labels.instance {{`}}`}}' is missing {{`{{`}} $value {{`}}`}} underlying physical volume(s).
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summary: LVM volume group '{{`{{`}} $labels.name {{`}}`}}' is missing the underlying physical volume.
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vgName: '{{`{{`}} $labels.name {{`}}`}}'
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expr: lvm_vg_missing_pv_count > 0
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for: 5m
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labels:
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severity: critical
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- alert: LVMVolumeGroupCapacityLow
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annotations:
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componentType: volume group
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description: LVM volume group '{{`{{`}} $labels.name {{`}}`}}' on node '{{`{{`}} $labels.instance {{`}}`}}' has {{`{{`}} with printf "lvm_vg_free_size_bytes{instance='%s',name='%s'}" $labels.instance $labels.name | query {{`}}`}} {{`{{`}} . | first | value {{`}}`}} {{`{{`}} end {{`}}`}}bytes of space remaining
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summary: LVM volume group '{{`{{`}} $labels.name {{`}}`}}' is running low on capacity. Already {{`{{`}} $value {{`}}`}}% of total capacity is consumed.
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vgName: '{{`{{`}} $labels.name {{`}}`}}'
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expr: ((lvm_vg_total_size_bytes - lvm_vg_free_size_bytes)/lvm_vg_total_size_bytes)*100 > 90
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for: 5m
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labels:
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severity: critical
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- alert: LVMThinPoolCapacityLow
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annotations:
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componentType: logical volume
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description: LVM thin pool '{{`{{`}} $labels.name {{`}}`}}' on node '{{`{{`}} $labels.instance {{`}}`}}' has {{`{{`}} with printf "lvm_lv_total_size_bytes{instance='%s',name='%s',segtype='%s'}-((lvm_lv_used_percent{instance='%s',name='%s',segtype='%s'}*lvm_lv_total_size_bytes{instance='%s',name='%s',segtype='%s'})/100)" $labels.instance $labels.name $labels.segtype $labels.instance $labels.name $labels.segtype $labels.instance $labels.name $labels.segtype | query {{`}}`}} {{`{{`}} . | first | value {{`}}`}} {{`{{`}} end {{`}}`}}bytes of space remaining
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lvName: '{{`{{`}} $labels.name {{`}}`}}'
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summary: LVM thin pool '{{`{{`}} $labels.name {{`}}`}}' is running low on capacity. Already {{`{{`}} $value {{`}}`}}% of total capacity is consumed.
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expr: lvm_lv_used_percent{segtype="thin-pool"} > 90
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for: 5m
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labels:
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severity: critical
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- name: persistent-volume-claim
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rules:
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- alert: StalePersistentVolumeClaim
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annotations:
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description: Persistent Volume Claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' has no consumer
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summary: Persistent Volume Claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' in namespace '{{`{{`}} $labels.namespace {{`}}`}}' is not consumed by any pod in any namespace
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expr: kube_persistentvolumeclaim_info unless (kube_persistentvolumeclaim_info * on(persistentvolumeclaim) group_left kube_pod_spec_volumes_persistentvolumeclaims_info) == 1
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for: 5m
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labels:
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severity: info
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- alert: PendingPersistentVolumeClaim
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annotations:
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description: Persistent Volume Claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' has been in pending state for more than 5 minutes
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summary: Persistent Volume Claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' pending in namespace '{{`{{`}} $labels.namespace {{`}}`}}'
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expr: kube_persistentvolumeclaim_status_phase{phase="Pending"} == 1
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for: 5m
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labels:
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severity: warning
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- alert: LostPersistentVolumeClaim
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annotations:
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description: Persistent Volume Claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' has been in lost state for more than 5 minutes
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summary: Persistent Volume Claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' in namespace '{{`{{`}} $labels.namespace {{`}}`}}' lost it's corresponding persistent volume
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expr: kube_persistentvolumeclaim_status_phase{phase="Lost"} == 1
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for: 5m
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labels:
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severity: warning
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- name: volume-node
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rules:
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- alert: VolumeNodeFileSystemIsReadOnly
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annotations:
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description: Persistent Volume's filesystem on node '{{`{{`}} $labels.node {{`}}`}}' for persistent volume claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' has become read-only
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summary: Volume mount failed for persistent volume claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' on node '{{`{{`}} $labels.node {{`}}`}}' due to read-only file-system
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expr: kubelet_volume_stats_inodes * on(node) group_left(reason) problem_counter{reason="FilesystemIsReadOnly"} > 0
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for: 5m
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labels:
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severity: critical
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- alert: VolumeNodeExt4Error
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annotations:
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description: Persistent Volume's on node '{{`{{`}} $labels.node {{`}}`}}' persistent volume claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' encountering ext4 filesystem error
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summary: Node '{{`{{`}} $labels.node {{`}}`}}' has encountered errors on ext4 file-system on volume having claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}'
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expr: kubelet_volume_stats_inodes * on(node) group_left(reason) problem_counter{reason="Ext4Error"} > 0
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for: 5m
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labels:
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severity: critical
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- alert: VolumeNodeIOError
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annotations:
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description: 'Persistent Volume on node ''{{`{{`}} $labels.node {{`}}`}}'' for persistent volume claim ''{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}'' encountering errors w.r.t buffer I/O '
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summary: IO errors encountered on volume having persistent volume claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}' on node '{{`{{`}} $labels.node {{`}}`}}'
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expr: kubelet_volume_stats_inodes * on(node) group_left(reason) problem_counter{reason="IOError"} > 0
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for: 5m
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labels:
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severity: critical
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- alert: VolumeNodeExt4Warning
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annotations:
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description: Persistent Volume on node '{{`{{`}} $labels.node {{`}}`}}' receiving ext4 filesystem warning for persistent volume claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}'
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summary: Node '{{`{{`}} $labels.node {{`}}`}}' has encountered warning on ext4 file-system on volume having claim '{{`{{`}} $labels.persistentvolumeclaim {{`}}`}}'
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expr: kubelet_volume_stats_inodes * on(node) group_left(reason) problem_counter{reason="Ext4Warning"} > 0
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for: 5m
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labels:
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severity: critical
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{{- end }}
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