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add prometheus alerts for deployment/statefulset/daemonset replica mismatches [ci skip]

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- Add DeploymentReplicasMismatch alert
- Add StatefulSetReplicasMismatch alert
- Add DaemonSetMissingPods alert
- Add .claude/ directory with remote executor and knowledge base
This commit is contained in:
Viktor Barzin 2026-01-18 11:04:51 +00:00
parent 70952c2448
commit d751a5924c
3 changed files with 238 additions and 7 deletions
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40
modules/kubernetes/monitoring/prometheus_chart_values.tpl Normal file → Executable file
View file

@ -318,13 +318,39 @@ serverFiles:
# severity: page
# annotations:
# summary: Pod stuck not ready.
#- alert: ReadyPodsInDeploymentLessThanSpec
# expr: kube_deployment_status_replicas_available - on(namespace, deployment) kube_deployment_spec_replicas < 0
# for: 10m
# labels:
# severity: page
# annotations:
# summary: Number of ready pods in {{ $labels.deployment }} is less than what is defined in spec.
- alert: DeploymentReplicasMismatch
expr: |
(
kube_deployment_spec_replicas
- on(namespace, deployment) kube_deployment_status_replicas_available
) > 0
for: 15m
labels:
severity: page
annotations:
summary: "Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has {{ $value }} unavailable replicas"
- alert: StatefulSetReplicasMismatch
expr: |
(
kube_statefulset_replicas
- on(namespace, statefulset) kube_statefulset_status_replicas_ready
) > 0
for: 15m
labels:
severity: page
annotations:
summary: "StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} has {{ $value }} unavailable replicas"
- alert: DaemonSetMissingPods
expr: |
(
kube_daemonset_status_desired_number_scheduled
- on(namespace, daemonset) kube_daemonset_status_number_ready
) > 0
for: 15m
labels:
severity: page
annotations:
summary: "DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} has {{ $value }} missing pods"
- alert: NoNodeLoadData
expr: (node_load1 OR on() vector(0)) == 0
for: 10m