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使用Docker快速搭建redis三主三从

E_topia 2022-01-09 阅读 24
redisdocker缓存

操作流程

[root@lhj ~]# docker run -d --name  redis-node1  --net host  --privileged=true  -v  /data/redis/share/redis-node1:/data  redis:6.2.5  --cluster-enabled yes   --appendonly  yes   --port  6381
f9f57f074a0610fb4e73f07aed121c1e912e7c6212c6ccd353f90fd1b78e7a3d
[root@lhj ~]# docker run -d --name  redis-node2  --net host  --privileged=true  -v  /data/redis/share/redis-node2:/data  redis:6.2.5   --cluster-enabled yes   --appendonly  yes   --port  6382
6ad0cc4a179d9e7a18462bc6a06f5fa3e9fd8ade870f58bba86e732a3bc19368
[root@lhj ~]# docker run -d --name  redis-node3  --net host  --privileged=true  -v  /data/redis/share/redis-node3:/data  redis:6.2.5   --cluster-enabled yes   --appendonly  yes   --port  6383  
65de80eeff3bf6771a7d43d5e4235f74dfdb118f6fac334488630e623d27189c
[root@lhj ~]# docker run -d --name  redis-node4  --net host  --privileged=true  -v  /data/redis/share/redis-node4:/data  redis:6.2.5   --cluster-enabled yes   --appendonly  yes   --port  6384  
65c5d362e6a7bf47ceef78b427e6d2e2ca28821ae1e8a127dbd47e95bb7c3cb9
[root@lhj ~]# docker run -d --name  redis-node5  --net host  --privileged=true  -v  /data/redis/share/redis-node5:/data  redis:6.2.5   --cluster-enabled yes   --appendonly  yes   --port  6385  
e120b2aa85afd21a15d7af37e22647dc3849869a5be831dc1d0cde663155b13a
[root@lhj ~]# docker run -d --name  redis-node6  --net host  --privileged=true  -v  /data/redis/share/redis-node6:/data  redis:6.2.5   --cluster-enabled yes   --appendonly  yes   --port  6386    
975a061428e5bd1b1a9552d25af908efa9fd068c2b872f5dbf8aa73c74dedac8
[root@lhj ~]# docker ps
CONTAINER ID   IMAGE                              COMMAND                  CREATED              STATUS              PORTS                                                                                                                 NAMES
975a061428e5   redis:6.2.5                        "docker-entrypoint.s…"   3 seconds ago        Up 2 seconds                                                                                                                              redis-node6
e120b2aa85af   redis:6.2.5                        "docker-entrypoint.s…"   17 seconds ago       Up 16 seconds                                                                                                                             redis-node5
65c5d362e6a7   redis:6.2.5                        "docker-entrypoint.s…"   29 seconds ago       Up 29 seconds                                                                                                                             redis-node4
65de80eeff3b   redis:6.2.5                        "docker-entrypoint.s…"   43 seconds ago       Up 42 seconds                                                                                                                             redis-node3
6ad0cc4a179d   redis:6.2.5                        "docker-entrypoint.s…"   58 seconds ago       Up 58 seconds                                                                                                                             redis-node2
f9f57f074a06   redis:6.2.5                        "docker-entrypoint.s…"   About a minute ago   Up About a minute                                                                                                                         redis-node1
8e7967f83558   vmware/harbor-jobservice:v1.1.2    "/harbor/harbor_jobs…"   4 days ago           Up 4 days                                                                                                                                 harbor-jobservice
6a5c0023b1d5   vmware/nginx:1.11.5-patched        "nginx -g 'daemon of…"   4 days ago           Up 4 days           0.0.0.0:80->80/tcp, :::80->80/tcp, 0.0.0.0:443->443/tcp, :::443->443/tcp, 0.0.0.0:4443->4443/tcp, :::4443->4443/tcp   nginx
a85cea101191   vmware/harbor-ui:v1.1.2            "/harbor/harbor_ui"      4 days ago           Up 4 days                                                                                                                                 harbor-ui
a7b304fb4b69   vmware/harbor-db:v1.1.2            "docker-entrypoint.s…"   4 days ago           Up 4 days           3306/tcp                                                                                                              harbor-db
d124c93d116c   vmware/registry:2.6.1-photon       "/entrypoint.sh serv…"   4 days ago           Up 4 days           5000/tcp                                                                                                              registry
38ddd033de7d   vmware/harbor-adminserver:v1.1.2   "/harbor/harbor_admi…"   4 days ago           Up 4 days                                                                                                                                 harbor-adminserver
2f21f081e276   vmware/harbor-log:v1.1.2           "/bin/sh -c 'crond &…"   4 days ago           Up 4 days           127.0.0.1:1514->514/tcp                                                                                               harbor-log
[root@lhj ~]# docker exec -it redis-node1  /bin/bash
root@lhj:/data# ^C         
root@lhj:/data# redis-cli   --cluster create  192.168.186.10:6381 192.168.186.10:6382 192.168.186.10:6383 192.168.186.10:6384 192.168.186.10:6385 192.168.186.10:6386  --cluster-replicas 1
>>> Performing hash slots allocation on 6 nodes...
Master[0] -> Slots 0 - 5460
Master[1] -> Slots 5461 - 10922
Master[2] -> Slots 10923 - 16383
Adding replica 192.168.186.10:6385 to 192.168.186.10:6381
Adding replica 192.168.186.10:6386 to 192.168.186.10:6382
Adding replica 192.168.186.10:6384 to 192.168.186.10:6383
>>> Trying to optimize slaves allocation for anti-affinity
[WARNING] Some slaves are in the same host as their master
M: 153cc92c3b2007dcabf6a5df7136df8697c990be 192.168.186.10:6381
   slots:[0-5460] (5461 slots) master
M: e5b5e6c823d59c601b95f5f7a017653c09a2c922 192.168.186.10:6382
   slots:[5461-10922] (5462 slots) master
M: e1932ffb388350211e7c981f66e976e5905b172d 192.168.186.10:6383
   slots:[10923-16383] (5461 slots) master
S: 3516db70dd4dafcb3fe1ba43f3d2fc383cf364b9 192.168.186.10:6384
   replicates 153cc92c3b2007dcabf6a5df7136df8697c990be
S: d52121486e6ee09b72ec26ce30a2e9eddf10ec82 192.168.186.10:6385
   replicates e5b5e6c823d59c601b95f5f7a017653c09a2c922
S: 4925283241288ed83d7d2b90ee85c886b1fd6220 192.168.186.10:6386
   replicates e1932ffb388350211e7c981f66e976e5905b172d
Can I set the 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 for the cluster to join
.
>>> Performing Cluster Check (using node 192.168.186.10:6381)
M: 153cc92c3b2007dcabf6a5df7136df8697c990be 192.168.186.10:6381
   slots:[0-5460] (5461 slots) master
   1 additional replica(s)
M: e1932ffb388350211e7c981f66e976e5905b172d 192.168.186.10:6383
   slots:[10923-16383] (5461 slots) master
   1 additional replica(s)
M: e5b5e6c823d59c601b95f5f7a017653c09a2c922 192.168.186.10:6382
   slots:[5461-10922] (5462 slots) master
   1 additional replica(s)
S: d52121486e6ee09b72ec26ce30a2e9eddf10ec82 192.168.186.10:6385
   slots: (0 slots) slave
   replicates e5b5e6c823d59c601b95f5f7a017653c09a2c922
S: 4925283241288ed83d7d2b90ee85c886b1fd6220 192.168.186.10:6386
   slots: (0 slots) slave
   replicates e1932ffb388350211e7c981f66e976e5905b172d
S: 3516db70dd4dafcb3fe1ba43f3d2fc383cf364b9 192.168.186.10:6384
   slots: (0 slots) slave
   replicates 153cc92c3b2007dcabf6a5df7136df8697c990be
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.
root@lhj:/data# redis-cli -p 6381
127.0.0.1:6381> cluster info
cluster_state:ok
cluster_slots_assigned:16384
cluster_slots_ok:16384
cluster_slots_pfail:0
cluster_slots_fail:0
cluster_known_nodes:6
cluster_size:3
cluster_current_epoch:6
cluster_my_epoch:1
cluster_stats_messages_ping_sent:403
cluster_stats_messages_pong_sent:441
cluster_stats_messages_sent:844
cluster_stats_messages_ping_received:436
cluster_stats_messages_pong_received:403
cluster_stats_messages_meet_received:5
cluster_stats_messages_received:844
127.0.0.1:6381> cluster nodes
e1932ffb388350211e7c981f66e976e5905b172d 192.168.186.10:6383@16383 master - 0 1641735411000 3 connected 10923-16383
e5b5e6c823d59c601b95f5f7a017653c09a2c922 192.168.186.10:6382@16382 master - 0 1641735411000 2 connected 5461-10922
d52121486e6ee09b72ec26ce30a2e9eddf10ec82 192.168.186.10:6385@16385 slave e5b5e6c823d59c601b95f5f7a017653c09a2c922 0 1641735412845 2 connected
153cc92c3b2007dcabf6a5df7136df8697c990be 192.168.186.10:6381@16381 myself,master - 0 1641735412000 1 connected 0-5460
4925283241288ed83d7d2b90ee85c886b1fd6220 192.168.186.10:6386@16386 slave e1932ffb388350211e7c981f66e976e5905b172d 0 1641735411000 3 connected
3516db70dd4dafcb3fe1ba43f3d2fc383cf364b9 192.168.186.10:6384@16384 slave 153cc92c3b2007dcabf6a5df7136df8697c990be 0 1641735411841 1 connected
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