SaltStack部署Redis主从实现
需求：
- 192.168.56.11是主，192.168.56.12是从
- redis监听自己的ip地址，而不是0.0.0.0
分析：
linux-node1 安装 配置 启动 linux-node2 安装 配置 启动 设置主从
[root@linux-node1 ~]# yum install redis -y[root@linux-node1 prod]# mkdir redis/files -p[root@linux-node1 redis]# cp /etc/redis.conf /srv/salt/prod/redis/files/[root@linux-node1 redis]# tree .├── files│ └── redis.conf└── init.sls1 directory, 2 files[root@linux-node1 redis]# vim init.sls redis-install: pkg.installed: - name: redisredis-config: file.managed: - name: /etc/redis.conf - source: salt://redis/files/redis.conf - user: root - group: root - mode: 644 - template: jinja defaults: PORT: 6379 IPADDR: { { grains['fqdn_ip4'][0] }}redis-service: service.running: - name: redis - enable: True - reload: True[root@linux-node1 redis]# salt '*' state.sls redis.init saltenv=prod #测试单一执行sls是否成功[root@linux-node1 redis]# netstat -tulnp|grep redis-servertcp 0 0 192.168.56.11:6379 0.0.0.0:* LISTEN 10186/redis-server [root@linux-node2 ~]# netstat -tulnp |grep redis-servertcp 0 0 192.168.56.12:6379 0.0.0.0:* LISTEN 17973/redis-server 主从配置：[root@linux-node1 redis]# vim master.sls include: - redis.init[root@linux-node1 redis]# vim slave.sls include: - redis.initslave_config: cmd.run: - name: redis-cli -h 192.168.56.12 slaveof 192.168.56.11 6379--->设置主从 - unless: redis-cli -h 192.168.56.12 info |grep role:slave-->判断node2是否为从，如果是就不执行设置主从 - require: - service: redis-service[root@linux-node1 redis]# vim /srv/salt/base/top.sls #配置top fileprod: 'linux-node1.example.com': - lamp - redis.master 'linux-node2.example.com': - lamp - redis.slave[root@linux-node1 redis]# salt '*' state.highstate......---------- ID: slave_config Function: cmd.run Name: redis-cli -h 192.168.56.12 slaveof 192.168.56.11 6379 Result: True Comment: Command "redis-cli -h 192.168.56.12 slaveof 192.168.56.11 6379" run Started: 12:08:46.428924 Duration: 31.328 ms Changes: ---------- pid: 18132 retcode: 0 stderr: stdout: OKSummary for linux-node2.example.com-------------Succeeded: 14 (changed=1)Failed: 0-------------Total states run: 14Total run time: 1.527 s......[root@linux-node1 redis]# tree .├── files│ └── redis.conf├── init.sls├── master.sls└── slave.sls1 directory, 4 files[root@linux-node1 redis]# cat slave.sls include: - redis.initslave_config: cmd.run: - name: redis-cli -h 192.168.56.12 slaveof 192.168.56.11 6379 - unless: redis-cli -h 192.168.56.12 info |grep role:slave - require: - service: redis-service TIPS：生产环境中，务必使用test=True进行与测试，并且目标选择一个节点进行，避免错误，影响业务的运行。