Redis集群——Redis高可用集群添加密码

太过爱你忘了你带给我的痛 2022-03-15 04:50 975阅读 0赞

线上环境的redis集群肯定要有密码的，今天介绍一下redis-cluster如何配置密码

**第一步**，修改每个redis-700x.conf配置文件，注意密码必须一致

masterauth 123456
    requirepass 123456

**第二步**，删除每个节点的配置文件

![20190227182621865.png][]

注意，如果你使用redis-trib.rb命令会提示无法连接，如

\[root@localhost src\]\# ./redis-trib.rb check 192.168.1.10:7001  
\[ERR\] Sorry, can't connect to node 192.168.1.10:7001  
通过**find / -name 'client.rb'命令找到文件位置**

**![20190228213840699.PNG][]**

修改第三个文件

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dZQTE5OTM_size_16_color_FFFFFF_t_70][]

再重试命令就正常了

\[root@localhost src\]\# ./redis-trib.rb check 192.168.1.10:7001  
>>> Performing Cluster Check (using node 192.168.1.10:7001)  
M: 367899876fc08d3475646b8890fb14f6877c7b95 192.168.1.10:7001  
   slots: (0 slots) master  
   0 additional replica(s)  
\[OK\] All nodes agree about slots configuration.  
>>> Check for open slots...  
>>> Check slots coverage...  
\[ERR\] Not all 16384 slots are covered by nodes.  
**第三步**，重启集群

./redis-trib.rb create --replicas 1 192.168.1.10:7001 192.168.1.11:7002 192.168.1.12:7003 192.168.1.10:7004 192.168.1.11:7005 192.168.1.12:7006

**第四步**，测试

\[root@localhost src\]\# ./redis-trib.rb check 192.168.1.10:7001  
>>> Performing Cluster Check (using node 192.168.1.10:7001)  
M: 367899876fc08d3475646b8890fb14f6877c7b95 192.168.1.10:7001  
   slots:0-5460 (5461 slots) master  
   1 additional replica(s)  
S: eb878ae3b4908e8be97978869b26929166e96fd9 192.168.1.11:7005  
   slots: (0 slots) slave  
   replicates 367899876fc08d3475646b8890fb14f6877c7b95  
M: bc780887c5cd2fc8e15de32da37e2d407f719bed 192.168.1.12:7003  
   slots:10923-16383 (5461 slots) master  
   1 additional replica(s)  
S: ea85ffe7a379f1d53c9e9d5c0fa85cb88b0c79f4 192.168.1.10:7004  
   slots: (0 slots) slave  
   replicates 49622a7f76d078c8f752362ce765dc274616d77b  
M: 49622a7f76d078c8f752362ce765dc274616d77b 192.168.1.11:7002  
   slots:5461-10922 (5462 slots) master  
   1 additional replica(s)  
S: 8640a636d5c6fa926363602be4b0d081e0fb9396 192.168.1.12:7006  
   slots: (0 slots) slave  
   replicates bc780887c5cd2fc8e15de32da37e2d407f719bed  
\[OK\] All nodes agree about slots configuration.  
>>> Check for open slots...  
>>> Check slots coverage...  
\[OK\] All 16384 slots covered.  
\[root@localhost src\]\#   
**第五步**，带密码访问集群

./redis-cli -c -h 192.168.1.10 -p 7001 -a 123456

\[root@localhost redis-4.0.1\]\# redis-cli -c -h 192.168.1.10 -p 7001 -a 123456  
192.168.1.10:7001> keys \*  
(empty list or set)  
192.168.1.10:7001>

[20190227182621865.png]: /images/20220315/3f51ec2d6b6c4f728ac4e03cf8f2160d.png
[20190228213840699.PNG]: /images/20220315/75500f7276b8420aa9ad8d5e80323fa0.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dZQTE5OTM_size_16_color_FFFFFF_t_70]: /images/20220315/0d2a159900a049a6bc1b42021f3b801c.png