K8S部署Redis Cluster集群（三主三从模式） |
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[root@k8s-harbor01 redis]# pwd
/data/storage/k8s/redis
[root@k8s-harbor01 redis]# ll
total 0
drwxrwxrwx 2 root root 63 Feb 4 18:59 wiseco-data-redis-cluster-0-pvc-20bcb3be-90e1-4354-bd11-4f442a3bd562
drwxrwxrwx 2 root root 63 Feb 4 18:59 wiseco-data-redis-cluster-1-pvc-43c0cba2-54a9-4416-afb6-8b7730a199dc
drwxrwxrwx 2 root root 63 Feb 4 18:59 wiseco-data-redis-cluster-2-pvc-3b53a31b-9a53-4bd4-93ff-2cf9fed551de
drwxrwxrwx 2 root root 63 Feb 4 19:00 wiseco-data-redis-cluster-3-pvc-e5aa9802-b983-471c-a7da-32eebc497610
drwxrwxrwx 2 root root 63 Feb 4 19:00 wiseco-data-redis-cluster-4-pvc-dd62a086-1802-446a-9f9d-35620f7f0b4a
drwxrwxrwx 2 root root 63 Feb 4 19:00 wiseco-data-redis-cluster-5-pvc-66daade5-1b97-41ce-a9e0-4cf88d63894d
[root@k8s-harbor01 redis]# ls ./*
./wiseco-data-redis-cluster-0-pvc-20bcb3be-90e1-4354-bd11-4f442a3bd562:
appendonly.aof nodes.conf redis.log
./wiseco-data-redis-cluster-1-pvc-43c0cba2-54a9-4416-afb6-8b7730a199dc:
appendonly.aof nodes.conf redis.log
./wiseco-data-redis-cluster-2-pvc-3b53a31b-9a53-4bd4-93ff-2cf9fed551de:
appendonly.aof nodes.conf redis.log
./wiseco-data-redis-cluster-3-pvc-e5aa9802-b983-471c-a7da-32eebc497610:
appendonly.aof nodes.conf redis.log
./wiseco-data-redis-cluster-4-pvc-dd62a086-1802-446a-9f9d-35620f7f0b4a:
appendonly.aof nodes.conf redis.log
./wiseco-data-redis-cluster-5-pvc-66daade5-1b97-41ce-a9e0-4cf88d63894d:
appendonly.aof nodes.conf redis.log
3、初始化Redis Cluster集群接下来是形成Redis Cluster集群，运行以下命令并键入yes以接受配置。集群形式：前三个节点成为主节点，后三个节点成为从节点。 需要注意：redis-trib.rb必须使用ip进行初始化redis集群，使用域名会报如下错误：*******/redis/client.rb:126:in `call’: ERR Invalid node address specified: redis-cluster-0.redis-headless.sts-app.svc.cluster.local:6379 (Redis::CommandError) 这里进行Redis Cluster集群初始化的命令：以下命令并键入yes以接受配置。前三个节点成为主节点，后三个节点成为从节点。kubectl exec -it redis-cluster-0 -n wiseco -- redis-trib.rb create --replicas 1 $(kubectl get pods -l app=redis-cluster -n wiseco -o jsonpath='{range.items[*]}{.status.podIP}:6379 ') |
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