redis-north.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-server
  labels:
    name: redis-server
spec:
  replicas: 1 
  selector:
    matchLabels:
      name: redis-server
  template:
    metadata:
      labels:
        name: redis-server
        application: redis-server
        app.kubernetes.io/part-of: redis
    spec:
      subdomain: primary
      containers:
      - name: redis
        image: redis
        command:
          - "redis-server"
        args:
          - "--replica-announce-ip"
          - "redis-server-north"
          - "--protected-mode"
          - "no"
        ports:
        - containerPort: 6379
        volumeMounts:
        - mountPath: /data
          name: redis-data
      volumes:
        - name: redis-data
          emptyDir: {}
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: redis
data:
  sentinel.conf: |-
    sentinel resolve-hostnames yes
    sentinel announce-hostnames yes    
    sentinel monitor redis-skupper redis-server-north 6379 2
    sentinel down-after-milliseconds redis-skupper 5000
    sentinel failover-timeout redis-skupper 10000
    sentinel parallel-syncs redis-skupper 1
    sentinel announce-ip redis-sentinel-north
    sentinel announce-port 26379
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-sentinel
  labels:
    name: redis-sentinal
spec:
  replicas: 1
  selector:
    matchLabels:
      name: redis-sentinal
  template:
    metadata:
      labels:
        name: redis-sentinal
        application: redis-sentinel
        app.kubernetes.io/part-of: redis-sentinel
    spec:
      containers:
      - name: redis-sentinel
        image: redis
        command:
          - "redis-server"
        args:
          - "/etc/redis/sentinel.conf"
          - "--sentinel"
        ports:
        - containerPort: 26379
          name: redis-sentinel
        volumeMounts:
        - name: redis-data
          mountPath: /etc/redis
      initContainers:
        - name: init-conf
          image: alpine
          command: ['sh', '-c', "cp /config/sentinel.conf /data"]
          volumeMounts:
          - name: redis-data
            mountPath: /data
          - name: redis-config
            mountPath: /config
        - name: init-waitforsvc-north
          image: alpine
          command: ['sh', '-c', "until nslookup redis-server-north.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for redis a instance; sleep 2; done"]
        - name: init-waitforsvc-west
          image: alpine
          command: ['sh', '-c', "until nslookup redis-server-west.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for redis b instance; sleep 2; done"]
        - name: init-waitforsvc-east
          image: alpine
          command: ['sh', '-c', "until nslookup redis-server-east.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for redis c instance; sleep 2; done"]
      volumes:
        - name: redis-config
          configMap:
            name: redis
        - name: redis-data
          emptyDir: {}