redis.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: praas
  labels:
    app.kubernetes.io/name: praas
    app.kubernetes.io/version: devel
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: redis-cluster
  namespace: praas
data:
  update-node.sh: |
    #!/bin/sh
    REDIS_NODES="/data/nodes.conf"
    sed -i -e "/myself/ s/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/${POD_IP}/" ${REDIS_NODES}
    exec "$@"
  redis.conf: |+
    cluster-enabled yes
    cluster-require-full-coverage no
    cluster-node-timeout 15000
    cluster-config-file /data/nodes.conf
    cluster-migration-barrier 1
    appendonly yes
    protected-mode no
    notify-keyspace-events Ks
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: redis-cluster
  namespace: praas
  labels:
    app.kubernetes.io/component: state-store
    app.kubernetes.io/name: praas
    app.kubernetes.io/version: devel
spec:
  serviceName: redis-cluster
  replicas: 6
  selector:
    matchLabels:
      app: redis-cluster
  template:
    metadata:
      labels:
        app: redis-cluster
    spec:
      containers:
        - name: redis
          image: redis:latest
          ports:
            - containerPort: 6379
              name: client
            - containerPort: 16379
              name: gossip
          command: ["/conf/update-node.sh", "redis-server", "/conf/redis.conf"]
          env:
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
          volumeMounts:
            - name: conf
              mountPath: /conf
              readOnly: false
            - name: data
              mountPath: /data
              readOnly: false
      volumes:
        - name: conf
          configMap:
            name: redis-cluster
            defaultMode: 0755
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 1Gi
---
apiVersion: v1
kind: Service
metadata:
  name: redis-cluster
  namespace: praas
  labels:
    app.kubernetes.io/component: state-store
    app.kubernetes.io/name: praas
    app.kubernetes.io/version: devel
spec:
  type: ClusterIP
  ports:
    - port: 6379
      targetPort: 6379
      name: client
    - port: 16379
      targetPort: 16379
      name: gossip
  selector:
    app: redis-cluster