feat: initial alert rules

2026-06-15 17:17:06 +02:00
parent eab99f7a00
commit b48ff0d8a1
7 changed files with 288 additions and 0 deletions
@@ -0,0 +1,55 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: k8s-pod-rules
+  namespace: monitoring
+  labels:
+    release: monitoring
+spec:
+  groups:
+    - name: pods.critical
+      rules:
+        - alert: KubePodCrashLooping
+          expr: rate(kube_pod_container_status_restarts_total[15m]) * 60 * 15 > 0
+          for: 15m
+          labels:
+            severity: critical
+          annotations:
+            summary: "Pod en CrashLoop"
+            description: "Le pod {{ $labels.namespace }}/{{ $labels.pod }} crashe en boucle."
+
+        - alert: KubePodNotReady
+          expr: sum by(namespace, pod) (kube_pod_status_phase{phase!~"Running|Succeeded"}) > 0
+          for: 15m
+          labels:
+            severity: critical
+          annotations:
+            summary: "Pod non Ready"
+            description: "Le pod {{ $labels.namespace }}/{{ $labels.pod }} n'est pas Ready depuis 15 minutes."
+
+        - alert: KubeDeploymentReplicasMismatch
+          expr: kube_deployment_spec_replicas != kube_deployment_status_replicas_available
+          for: 15m
+          labels:
+            severity: critical
+          annotations:
+            summary: "Replicas manquants"
+            description: "Le deployment {{ $labels.namespace }}/{{ $labels.deployment }} n'a pas le bon nombre de replicas."
+
+        - alert: KubeContainerOOMKilled
+          expr: kube_pod_container_status_last_terminated_reason{reason="OOMKilled"} == 1
+          for: 0m
+          labels:
+            severity: warning
+          annotations:
+            summary: "Conteneur OOMKilled"
+            description: "Le conteneur {{ $labels.container }} du pod {{ $labels.pod }} a été tué par OOMKiller."
+
+        - alert: KubeHpaMaxedOut
+          expr: kube_horizontalpodautoscaler_status_current_replicas == kube_horizontalpodautoscaler_spec_max_replicas
+          for: 15m
+          labels:
+            severity: warning
+          annotations:
+            summary: "HPA au maximum"
+            description: "L'HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} est à son maximum."