kube-state-metrics.yaml

apiVersion: rbac.authorization.k8s.io/v1
# kubernetes versions before 1.8.0 should use rbac.authorization.k8s.io/v1beta1
# kube-state-metrics-cluster-role.yaml
kind: ClusterRole
metadata:
  name: kube-state-metrics
rules:
  - apiGroups: [""]
    resources:
      - configmaps
      - secrets
      - nodes
      - pods
      - services
      - resourcequotas
      - replicationcontrollers
      - limitranges
      - persistentvolumeclaims
      - persistentvolumes
      - namespaces
      - endpoints
    verbs: ["list", "watch"]
  - apiGroups: ["extensions"]
    resources:
      - daemonsets
      - deployments
      - replicasets
      - ingresses
    verbs: ["list", "watch"]
  - apiGroups: ["apps"]
    resources:
      - daemonsets
      - deployments
      - replicasets
      - statefulsets
    verbs: ["list", "watch"]
  - apiGroups: ["batch"]
    resources:
      - cronjobs
      - jobs
    verbs: ["list", "watch"]
  - apiGroups: ["autoscaling"]
    resources:
      - horizontalpodautoscalers
    verbs: ["list", "watch"]
  - apiGroups: ["policy"]
    resources:
      - poddisruptionbudgets
    verbs: ["list", "watch"]
  - apiGroups: ["certificates.k8s.io"]
    resources:
      - certificatesigningrequests
    verbs: ["list", "watch"]
  - apiGroups: ["storage.k8s.io"]
    resources:
      - storageclasses
    verbs: ["list", "watch"]
  - apiGroups: ["autoscaling.k8s.io"]
    resources:
      - verticalpodautoscalers
    verbs: ["list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
# kubernetes versions before 1.8.0 should use rbac.authorization.k8s.io/v1beta1
#kube-state-metrics-cluster-role-binding.yaml
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: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
# kubernetes versions before 1.8.0 should use rbac.authorization.k8s.io/v1beta1
#kube-state-metrics-role.yaml
kind: Role
metadata:
  namespace: kube-system
  name: kube-state-metrics-resizer
rules:
  - apiGroups: [""]
    resources:
      - pods
    verbs: ["get"]
  - apiGroups: ["extensions"]
    resources:
      - deployments
    resourceNames: ["kube-state-metrics"]
    verbs: ["get", "update"]
---
apiVersion: rbac.authorization.k8s.io/v1
# kubernetes versions before 1.8.0 should use rbac.authorization.k8s.io/v1beta1
#kube-state-metrics-role-binding.yaml
kind: RoleBinding
metadata:
  name: kube-state-metrics
  namespace: kube-system
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: kube-state-metrics-resizer
subjects:
  - kind: ServiceAccount
    name: kube-state-metrics
    namespace: kube-system
---
#kube-state-metrics-service-account.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-state-metrics
  namespace: kube-system
---
#kube-state-metrics-service.yaml
apiVersion: v1
kind: Service
metadata:
  name: kube-state-metrics
  namespace: kube-system
  labels:
    k8s-app: kube-state-metrics
  annotations:
    prometheus.io/scrape: 'true'
spec:
  ports:
    - name: http-metrics
      port: 8080
      targetPort: http-metrics
      protocol: TCP
    - name: telemetry
      port: 8081
      targetPort: telemetry
      protocol: TCP
  selector:
    k8s-app: kube-state-metrics
---
#kube-state-metrics-deployment.yaml
apiVersion: apps/v1
# Kubernetes versions after 1.9.0 should use apps/v1
# Kubernetes versions before 1.8.0 should use apps/v1beta1 or extensions/v1beta1
kind: Deployment
metadata:
  name: kube-state-metrics
  namespace: kube-system
spec:
  selector:
    matchLabels:
      k8s-app: kube-state-metrics
  replicas: 1
  template:
    metadata:
      labels:
        k8s-app: kube-state-metrics
    spec:
      serviceAccountName: kube-state-metrics
      containers:
        - name: kube-state-metrics
          image: quay.io/coreos/kube-state-metrics:v1.7.1
          ports:
            - name: http-metrics
              containerPort: 8080
            - name: telemetry
              containerPort: 8081
          readinessProbe:
            httpGet:
              path: /healthz
              port: 8080
            initialDelaySeconds: 5
            timeoutSeconds: 5
        - name: addon-resizer
          image: k8s.gcr.io/addon-resizer:1.8.5
          resources:
            limits:
              cpu: 200m
              memory: 200Mi
            requests:
              cpu: 100m
              memory: 100Mi
          env:
            - name: MY_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: MY_POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          command:
            - /pod_nanny
            - --container=kube-state-metrics
            - --cpu=100m
            - --extra-cpu=1m
            - --memory=100Mi
            - --extra-memory=2Mi
            - --threshold=5
            - --deployment=kube-state-metrics