k3s cluster dashboard: kube-state-metrics + kubelet/cAdvisor scraping, fix empty-label relabel bug

manifests/monitoring/kube-state-metrics.yaml

@@ -0,0 +1,71 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kube-state-metrics
+  namespace: monitoring
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: kube-state-metrics
+rules:
+  - apiGroups: [""]
+    resources: [pods, nodes, namespaces, services, endpoints, configmaps, secrets, persistentvolumeclaims, persistentvolumes, resourcequotas, limitranges]
+    verbs: [list, watch]
+  - apiGroups: [apps]
+    resources: [deployments, daemonsets, replicasets, statefulsets]
+    verbs: [list, watch]
+  - apiGroups: [batch]
+    resources: [jobs, cronjobs]
+    verbs: [list, watch]
+  - apiGroups: [autoscaling]
+    resources: [horizontalpodautoscalers]
+    verbs: [list, watch]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kube-state-metrics
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kube-state-metrics
+subjects:
+  - kind: ServiceAccount
+    name: kube-state-metrics
+    namespace: monitoring
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kube-state-metrics
+  namespace: monitoring
+spec:
+  replicas: 1
+  selector:
+    matchLabels: {app: kube-state-metrics}
+  template:
+    metadata:
+      labels: {app: kube-state-metrics}
+    spec:
+      serviceAccountName: kube-state-metrics
+      containers:
+        - name: kube-state-metrics
+          image: registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.17.0
+          ports: [{containerPort: 8080}]
+          resources:
+            requests: {cpu: 30m, memory: 64Mi}
+            limits: {memory: 512Mi}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: kube-state-metrics
+  namespace: monitoring
+  labels: {app: kube-state-metrics}
+spec:
+  selector: {app: kube-state-metrics}
+  ports:
+    - name: http-metrics
+      port: 8080
+      targetPort: 8080