apiVersion: v1
kind: Service
metadata:
  name: redis-master
  labels:
    app: redis
    tier: backend
    role: master
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    tier: backend
    role: master
---
apiVersion: v1
kind: ReplicationController
metadata:
  name: redis-master
  # these labels can be applied automatically 
  # from the labels in the pod template if not set
  labels:
    app: redis
    role: master
    tier: backend
spec:
  # this replicas value is default
  # modify it according to your case
  replicas: 1
  # selector can be applied automatically 
  # from the labels in the pod template if not set
  # selector:
  #   app: guestbook
  #   role: master
  #   tier: backend
  template:
    metadata:
      labels:
        app: redis
        role: master
        tier: backend
    spec:
      containers:
      - name: master
        image: redis
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379
---
apiVersion: v1
kind: Service
metadata:
  name: redis-slave
  labels:
    app: redis
    tier: backend
    role: slave
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    tier: backend
    role: slave
---
apiVersion: v1
kind: ReplicationController
metadata:
  name: redis-slave
  # these labels can be applied automatically
  # from the labels in the pod template if not set
  labels:
    app: redis
    role: slave
    tier: backend
spec:
  # this replicas value is default
  # modify it according to your case
  replicas: 2
  # selector can be applied automatically
  # from the labels in the pod template if not set
  # selector:
  #   app: guestbook
  #   role: slave
  #   tier: backend
  template:
    metadata:
      labels:
        app: redis
        role: slave
        tier: backend
    spec:
      containers:
      - name: slave
        image: gcr.io/google_samples/gb-redisslave:v1
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        env:
        - name: GET_HOSTS_FROM
          value: dns
          # If your cluster config does not include a dns service, then to
          # instead access an environment variable to find the master
          # service's host, comment out the 'value: dns' line above, and
          # uncomment the line below.
          # value: env
        ports:
        - containerPort: 6379
---
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend
---
apiVersion: v1
kind: ReplicationController
metadata:
  name: frontend
  # these labels can be applied automatically
  # from the labels in the pod template if not set
  labels:
    app: guestbook
    tier: frontend
spec:
  # this replicas value is default
  # modify it according to your case
  replicas: 3
  # selector can be applied automatically
  # from the labels in the pod template if not set
  # selector:
  #   app: guestbook
  #   tier: frontend
  template:
    metadata:
      labels:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: gcr.io/google_samples/gb-frontend:v3
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        env:
        - name: GET_HOSTS_FROM
          value: dns
          # If your cluster config does not include a dns service, then to
          # instead access environment variables to find service host
          # info, comment out the 'value: dns' line above, and uncomment the
          # line below.
          # value: env
        ports:
        - containerPort: 80
