echoserver

echoserver.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: echoserver
  namespace: hajo
  labels:
    app: echoserver
    owner: hajo
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: echoserver
  namespace: hajo
  labels:
    app: echoserver
    owner: hajo
rules:
- apiGroups: [""] # "" indicates the core API group
  resources: ["pods"]
  verbs: ["get", "watch", "list"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: echoserver
  namespace: hajo
  labels:
    app: echoserver
    owner: hajo
subjects:
- kind: ServiceAccount
  name: echoserver
  namespace: hajo
roleRef:
  kind: Role
  name: echoserver
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: echoserver
  namespace: hajo
  labels:
    app: echoserver
    owner: hajo
spec:
  replicas: 3
  selector:
    matchLabels:
      app: echoserver
      owner: hajo
  template:
    metadata:
      labels:
        app: echoserver
        owner: hajo
    spec:
      serviceAccountName: echoserver
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: group
                operator: In
                values:
                - infrastructure
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - echoserver
            topologyKey: kubernetes.io/hostname
      containers:
      - image: gcr.io/google_containers/echoserver:1.10
        imagePullPolicy: Always
        name: echoserver
        ports:
        - containerPort: 8080
        env:
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: POD_IP
            valueFrom:
              fieldRef:
                fieldPath: status.podIP
---
apiVersion: v1
kind: Service
metadata:
  name: echoserver
  namespace: hajo
  labels:
    app: echoserver
    owner: hajo
spec:
  ports:
  - port: 80
    targetPort: 8080
    protocol: TCP
  selector:
    app: echoserver
    owner: hajo