SaltStack部署Redis主從實現
阿新 • • 發佈:2018-01-20
不執行 ted true mod salt ins ets failed sta SaltStack部署Redis主從實現
需求:
- 192.168.56.11是主,192.168.56.12是從
- redis監聽自己的ip地址,而不是0.0.0.0
分析:
linux-node1 安裝 配置 啟動
linux-node2 安裝 配置 啟動 設置主從
[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.sls 1 directory, 2 files [root@linux-node1 redis]# vim init.sls redis-install: pkg.installed: - name: redis redis-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 #測試單一執行sls是否成功 [root@linux-node1 redis]# netstat -tulnp|grep redis-server tcp 0 0 192.168.56.11:6379 0.0.0.0:* LISTEN 10186/redis-server [root@linux-node2 ~]# netstat -tulnp |grep redis-server tcp 0 0 192.168.56.12:6379 0.0.0.0:* LISTEN 17973/redis-server 主從配置: [root@linux-node1 redis]# vim master.sls include: - redis.init [root@linux-node1 redis]# vim slave.sls include: - redis.init slave_config: cmd.run: - name: redis-cli -h 192.168.56.12 slaveof 192.168.56.11 6379--->設置主從 - unless: redis-cli -h 192.168.56.12 info |grep role:slave-->判斷node2是否為從,如果是就不執行設置主從 - require: - service: redis-service [root@linux-node1 redis]# vim /srv/salt/base/top.sls #配置top file prod: ‘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: OK Summary for linux-node2.example.com ------------- Succeeded: 14 (changed=1) Failed: 0 ------------- Total states run: 14 Total run time: 1.527 s ...... [root@linux-node1 redis]# tree . ├── files │ └── redis.conf ├── init.sls ├── master.sls └── slave.sls 1 directory, 4 files [root@linux-node1 redis]# cat slave.sls include: - redis.init slave_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:生產環境中,務必使用test=True進行與測試,並且目標選擇一個節點進行,避免錯誤,影響業務的運行。
SaltStack部署Redis主從實現