参考文档：K8S部署Redis Cluster集群

未完待续。。。请查看参考文档。

cat redis-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: redis-cluster
  namespace: middleware
data:
  fix-ip.sh: |
    #!/bin/sh
    CLUSTER_CONFIG="/data/nodes.conf"
    if [ -f ${CLUSTER_CONFIG} ]; then
      if [ -z "${POD_IP}" ]; then
        echo "Unable to determine Pod IP address!"
        exit 1
      fi
      echo "Updating my IP to ${POD_IP} in ${CLUSTER_CONFIG}"
      sed -i.bak -e '/myself/ s/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/'${POD_IP}'/' ${CLUSTER_CONFIG}
    fi
    exec "$@"
  redis.conf: |
    cluster-enabled yes
    cluster-config-file /data/nodes.conf
    cluster-node-timeout 10000
    protected-mode no
    daemonize no
    pidfile /var/run/redis.pid
    port 6379
    tcp-backlog 511
    bind 0.0.0.0
    timeout 3600
    tcp-keepalive 1
    loglevel verbose
    logfile /data/redis.log
    databases 16
    save 900 1
    save 300 10
    save 60 10000
    stop-writes-on-bgsave-error yes
    rdbcompression yes
    rdbchecksum yes
    dbfilename dump.rdb
    dir /data
    #requirepass yl123456
    appendonly yes
    appendfilename "appendonly.aof"
    appendfsync everysec
    no-appendfsync-on-rewrite no
    auto-aof-rewrite-percentage 100
    auto-aof-rewrite-min-size 64mb
    lua-time-limit 20000
    slowlog-log-slower-than 10000
    slowlog-max-len 128
    #rename-command FLUSHALL  ""
    latency-monitor-threshold 0
    notify-keyspace-events ""
    hash-max-ziplist-entries 512
    hash-max-ziplist-value 64
    list-max-ziplist-entries 512
    list-max-ziplist-value 64
    set-max-intset-entries 512
    zset-max-ziplist-entries 128
    zset-max-ziplist-value 64
    hll-sparse-max-bytes 3000
    activerehashing yes
    client-output-buffer-limit normal 0 0 0
    client-output-buffer-limit slave 256mb 64mb 60
    client-output-buffer-limit pubsub 32mb 8mb 60
    hz 10
    aof-rewrite-incremental-fsync yes

cat redis-cluster.yml

---
apiVersion: v1
kind: Service
metadata:
  namespace: middleware
  name: redis-cluster
spec:
  clusterIP: None
  ports:
  - port: 6379
    targetPort: 6379
    name: client
  - port: 16379
    targetPort: 16379
    name: gossip
  selector:
    app: redis-cluster
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  namespace: middleware
  name: redis-cluster
spec:
  serviceName: redis-cluster
  podManagementPolicy: OrderedReady
  replicas: 6
  selector:
    matchLabels:
      app: redis-cluster
  template:
    metadata:
      labels:
        app: redis-cluster
    spec:
      containers:
      - name: redis
        image: redis:6.0.10
        ports:
        - containerPort: 6379
          name: client
        - containerPort: 16379
          name: gossip
        command: ["/etc/redis/fix-ip.sh", "redis-server", "/etc/redis/redis.conf"]
        env:
        - name: POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        volumeMounts:
        - name: conf
          mountPath: /etc/redis/
          readOnly: false
      volumes:
      - name: conf
        configMap:
          name: redis-cluster
          defaultMode: 0755

# 创建cluster集群
kubectlola-dev exec -it redis-cluster-0 -n middleware -- redis-cli -p 6379 --cluster create --cluster-replicas 1 $(kubectlola-dev get pods -l app=redis-cluster -n middleware -o jsonpath='{range.items[*]}{.status.podIP}:6379 ' |awk 'OFS=" " {$NF="" ;print $0}')

# 查看集群信息
kubectlola-dev exec -it redis-cluster-0 -n middleware -- redis-cli cluster info 

# 检查集群
for x in $(seq 0 5); do echo "redis-cluster-$x"; kubectlola-dev exec redis-cluster-$x -n middleware -- redis-cli role; echo; done