Docker部署redis-cluster集群

 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker network create redis --subnet 172.38.0.0/16
 4323026b1d7145e167f22ecc0e908dfe0d75765380840e29e6b7010f1b3b902c
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker network ls
 NETWORK ID         NAME               DRIVER             SCOPE
 f92c1c2c4bf7       bridge             bridge             local
 e6983a928f90       host               host               local
 e99e400ffce3       mynet               bridge             local
 21e45a3c002b       none               null               local
 4323026b1d71       redis               bridge             local
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker network inspect redis
 [
   {
        "Name": "redis",
        "Id": "4323026b1d7145e167f22ecc0e908dfe0d75765380840e29e6b7010f1b3b902c",
        "Created": "2020-05-05T17:22:17.497116433+08:00",
        "Scope": "local",
        "Driver": "bridge",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": {},
            "Config": [
               {
                    "Subnet": "172.38.0.0/16"
               }
           ]
       },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
       },
        "ConfigOnly": false,
        "Containers": {},
        "Options": {},
        "Labels": {}
   }
 ]

 forport in$(seq 1 6); \
 do\
 mkdir-p/mydata/redis/node-${port}/conf
 touch/mydata/redis/node-${port}/conf/redis.conf
 cat<< EOF >/mydata/redis/node-${port}/conf/redis.conf
 port 6379
 bind 0.0.0.0
 cluster-enabled yes
 cluster-config-file nodes.conf
 cluster-node-timeout 5000
 cluster-announce-ip 172.38.0.1${port}
 cluster-announce-port 6379
 cluster-announce-bus-port 16379
 appendonly yes
 EOF
 done

 # 安装redis-cluster；3主3从方式，从为了同步备份，主进行slot数据分片
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker run -p 6371:6379 -p 16371:16379 --name redis-1 \
 > -v/mydata/redis/node-1/data:/data \
 > -v/mydata/redis/node-1/conf/redis.conf:/etc/redis/redis.conf \
 > -d--netredis  --ip172.38.0.11 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf;
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker run -p 6372:6379 -p 16372:16379 --name redis-2 \
 -v/mydata/redis/node-2/data:/data \
 -v/mydata/redis/node-2/conf/redis.conf:/etc/redis/redis.conf \
 -d--netredis  --ip172.38.0.12 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf;
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker run -p 6373:6379 -p 16373:16379 --name redis-3 \
 -v/mydata/redis/node-3/data:/data \
 -v/mydata/redis/node-3/conf/redis.conf:/etc/redis/redis.conf \
 -d--netredis  --ip172.38.0.13 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf;
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker run -p 6374:6379 -p 16374:16379 --name redis-4 \
 -v/mydata/redis/node-4/data:/data \
 -v/mydata/redis/node-4/conf/redis.conf:/etc/redis/redis.conf \
 -d--netredis  --ip172.38.0.14 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf;
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker run -p 6375:6379 -p 16375:16379 --name redis-5 \
 -v/mydata/redis/node-5/data:/data \
 -v/mydata/redis/node-5/conf/redis.conf:/etc/redis/redis.conf \
 -d--netredis  --ip172.38.0.15 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf;
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker run -p 6376:6379 -p 16376:16379 --name redis-6 \
 -v/mydata/redis/node-6/data:/data \
 -v/mydata/redis/node-6/conf/redis.conf:/etc/redis/redis.conf \
 -d--netredis  --ip172.38.0.16 redis:5.0.9-alpine3.11 redis-server /etc/redis/redis.conf;

 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker ps
 CONTAINER ID       IMAGE                   COMMAND                 CREATED             STATUS             PORTS                                             NAMES
 2341a8496789       redis:5.0.9-alpine3.11   "docker-entrypoint.s…"  7seconds ago       Up 7seconds        0.0.0.0:6376->6379/tcp, 0.0.0.0:16376->16379/tcp   redis-6
 195f467bd6c9       redis:5.0.9-alpine3.11   "docker-entrypoint.s…"  14seconds ago     Up 13seconds       0.0.0.0:6375->6379/tcp, 0.0.0.0:16375->16379/tcp   redis-5
 798f165cd2b6       redis:5.0.9-alpine3.11   "docker-entrypoint.s…"  21seconds ago     Up 21seconds       0.0.0.0:6374->6379/tcp, 0.0.0.0:16374->16379/tcp   redis-4
 511f9a7d2dab       redis:5.0.9-alpine3.11   "docker-entrypoint.s…"  29seconds ago     Up 28seconds       0.0.0.0:6373->6379/tcp, 0.0.0.0:16373->16379/tcp   redis-3
 820cfdd85652       redis:5.0.9-alpine3.11   "docker-entrypoint.s…"  3minutes ago       Up 3minutes        0.0.0.0:6372->6379/tcp, 0.0.0.0:16372->16379/tcp   redis-2
 d5798ca01b02       redis:5.0.9-alpine3.11   "docker-entrypoint.s…"  8minutes ago       Up 8minutes        0.0.0.0:6371->6379/tcp, 0.0.0.0:16371->16379/tcp   redis-1

 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker exec -it redis-1 /bin/sh
 /data # redis-cli --cluster create 172.38.0.11:6379 172.38.0.12:6379 172.38.0.13
 :6379 172.38.0.14:6379 172.38.0.15:6379 172.38.0.16:6379 --cluster-replicas1
 >>> Performing hash slots allocation on 6nodes...
 Master[0] -> Slots 0-5460
 Master[1] -> Slots 5461-10922
 Master[2] -> Slots 10923-16383
 Adding replica 172.38.0.15:6379 to 172.38.0.11:6379
 Adding replica 172.38.0.16:6379 to 172.38.0.12:6379
 Adding replica 172.38.0.14:6379 to 172.38.0.13:6379
 M: a3d11679dd434e61a8c301b02f34ed2e37a6ce0d 172.38.0.11:6379
   slots:[0-5460] (5461 slots) master
 M: 19293d61791795cae773eef640d55e0ac0cc090c 172.38.0.12:6379
   slots:[5461-10922] (5462 slots) master
 M: 13134855b3ad0d731688a0714543a7131520088d 172.38.0.13:6379
   slots:[10923-16383] (5461 slots) master
 S: 455e94fb32c097c63bd2e43dff4c7fac6875acea 172.38.0.14:6379
   replicates 13134855b3ad0d731688a0714543a7131520088d
 S: 165f0a056153eaa49f0d70b062ada0e1a44ebe33 172.38.0.15:6379
   replicates a3d11679dd434e61a8c301b02f34ed2e37a6ce0d
 S: 3195a7ceab0c2312fe15487a5a4bc9a16a7cf4de 172.38.0.16:6379
   replicates 19293d61791795cae773eef640d55e0ac0cc090c
 Can I setthe above configuration? (type 'yes'to accept): yes
 >>> Nodes configuration updated
 >>> Assign a different config epoch to each node
 >>> Sending CLUSTER MEET messages to join the cluster
 Waiting forthe cluster to join
 ...
 >>> Performing Cluster Check (using node172.38.0.11:6379)
 M: a3d11679dd434e61a8c301b02f34ed2e37a6ce0d 172.38.0.11:6379
   slots:[0-5460] (5461 slots) master
   1additional replica(s)
 S: 455e94fb32c097c63bd2e43dff4c7fac6875acea 172.38.0.14:6379
   slots: (0 slots) slave
   replicates 13134855b3ad0d731688a0714543a7131520088d
 S: 165f0a056153eaa49f0d70b062ada0e1a44ebe33 172.38.0.15:6379
   slots: (0 slots) slave
   replicates a3d11679dd434e61a8c301b02f34ed2e37a6ce0d
 M: 19293d61791795cae773eef640d55e0ac0cc090c 172.38.0.12:6379
   slots:[5461-10922] (5462 slots) master
   1additional replica(s)
 M: 13134855b3ad0d731688a0714543a7131520088d 172.38.0.13:6379
   slots:[10923-16383] (5461 slots) master
   1additional replica(s)
 S: 3195a7ceab0c2312fe15487a5a4bc9a16a7cf4de 172.38.0.16:6379
   slots: (0 slots) slave
   replicates 19293d61791795cae773eef640d55e0ac0cc090c
 [OK] All nodes agree about slots configuration.
 >>> Check foropen slots...
 >>> Check slots coverage...
 [OK] All 16384slots covered.

 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker exec -it redis-1 /bin/sh
 
 /data # redis-cli -c
 
 127.0.0.1:6379> cluster nodes
 455e94fb32c097c63bd2e43dff4c7fac6875acea 172.38.0.14:6379@16379 slave 13134855b3ad0d731688a0714543a7131520088d 015886730278134connected
 165f0a056153eaa49f0d70b062ada0e1a44ebe33 172.38.0.15:6379@16379 slave a3d11679dd434e61a8c301b02f34ed2e37a6ce0d 015886730288165connected
 a3d11679dd434e61a8c301b02f34ed2e37a6ce0d 172.38.0.11:6379@16379 myself,master -015886730270001connected 0-5460
 19293d61791795cae773eef640d55e0ac0cc090c 172.38.0.12:6379@16379 master -015886730280002connected 5461-10922
 13134855b3ad0d731688a0714543a7131520088d 172.38.0.13:6379@16379 master -015886730280003connected 10923-16383
 3195a7ceab0c2312fe15487a5a4bc9a16a7cf4de 172.38.0.16:6379@16379 slave 19293d61791795cae773eef640d55e0ac0cc090c 015886730280006connected
 
 127.0.0.1:6379> setywm 123456
 -> Redirected to slot [10844] located at 172.38.0.12:6379
 OK
 
 172.38.0.12:6379> getywm
 "123456"

 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker stop redis-2
 redis-2
 
 [root@iZ2zeir6vcnpz8qw3t455tZ ~]# docker exec -it redis-1 /bin/sh
 
 /data # redis-cli -c
 
 127.0.0.1:6379> getywm
 -> Redirected to slot [10844] located at 172.38.0.16:6379
 "123456"