feat: kubestate metrics deployment

!1

templates/PrometheusRule-kubeStateMetrics.yaml

@@ -0,0 +1,67 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  labels:
+    app.kubernetes.io/component: exporter
+    app.kubernetes.io/name: kube-state-metrics
+    app.kubernetes.io/part-of: {{ $.Chart.Name }}
+    app.kubernetes.io/version: {{ $.Chart.Version }}
+    app.kubernetes.io/managed-by: {{ $.Release.Service }}
+    prometheus: k8s
+    role: alert-rules
+  name: kube-state-metrics-rules
+  namespace: monitoring
+spec:
+  groups:
+  - name: kube-state-metrics
+    rules:
+    - alert: KubeStateMetricsListErrors
+      annotations:
+        description: kube-state-metrics is experiencing errors at an elevated rate in list operations. This is likely causing it to not be able to expose metrics about Kubernetes objects correctly or at all.
+        runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kube-state-metrics/kubestatemetricslisterrors
+        summary: kube-state-metrics is experiencing errors in list operations.
+      expr: |
+        (sum(rate(kube_state_metrics_list_total{job="kube-state-metrics",result="error"}[5m]))
+          /
+        sum(rate(kube_state_metrics_list_total{job="kube-state-metrics"}[5m])))
+        > 0.01
+      for: 15m
+      labels:
+        severity: critical
+    - alert: KubeStateMetricsWatchErrors
+      annotations:
+        description: kube-state-metrics is experiencing errors at an elevated rate in watch operations. This is likely causing it to not be able to expose metrics about Kubernetes objects correctly or at all.
+        runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kube-state-metrics/kubestatemetricswatcherrors
+        summary: kube-state-metrics is experiencing errors in watch operations.
+      expr: |
+        (sum(rate(kube_state_metrics_watch_total{job="kube-state-metrics",result="error"}[5m]))
+          /
+        sum(rate(kube_state_metrics_watch_total{job="kube-state-metrics"}[5m])))
+        > 0.01
+      for: 15m
+      labels:
+        severity: critical
+    - alert: KubeStateMetricsShardingMismatch
+      annotations:
+        description: kube-state-metrics pods are running with different --total-shards configuration, some Kubernetes objects may be exposed multiple times or not exposed at all.
+        runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kube-state-metrics/kubestatemetricsshardingmismatch
+        summary: kube-state-metrics sharding is misconfigured.
+      expr: |
+        stdvar (kube_state_metrics_total_shards{job="kube-state-metrics"}) != 0
+      for: 15m
+      labels:
+        severity: critical
+    - alert: KubeStateMetricsShardsMissing
+      annotations:
+        description: kube-state-metrics shards are missing, some Kubernetes objects are not being exposed.
+        runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kube-state-metrics/kubestatemetricsshardsmissing
+        summary: kube-state-metrics shards are missing.
+      expr: |
+        2^max(kube_state_metrics_total_shards{job="kube-state-metrics"}) - 1
+          -
+        sum( 2 ^ max by (shard_ordinal) (kube_state_metrics_shard_ordinal{job="kube-state-metrics"}) )
+        != 0
+      for: 15m
+      labels:
+        severity: critical