0.劇本說明
自動安裝部署redis-5.x集群 只是創建和啟動，集群初始化命令需要手動執行1.目錄結構
[root@m01 ~]# tree /etc/ansible/roles/redis_cluster/ /etc/ansible/roles/redis_cluster/ ├── files │ ├── redis_6380 │ │ ├── conf │ │ ├── logs │ │ └── pid │ ├── redis_6381 │ │ ├── conf │ │ ├── logs │ │ └── pid │ └── redis_cmd │ ├── redis-benchmark │ ├── redis-check-aof │ ├── redis-check-rdb │ ├── redis-cli │ └── redis-server ├── handlers │ └── main.yaml ├── tasks │ └── main.yaml ├── templates │ ├── redis_6380.conf.j2 │ ├── redis_6381.conf.j2 │ ├── redis-master.service.j2 │ └── redis-slave.service.j2 └── vars 14 directories, 11 files 2.配置文件jinja模版
主節點配置模版
[root@m01 ~]# cat /etc/ansible/roles/redis_cluster/templates/redis_6380.conf.j2 bind {{ ansible_facts.eth0.ipv4.address }} port 6380 daemonize yes pidfile "/opt/redis_6380/pid/redis_6380.pid" logfile "/opt/redis_6380/logs/redis_6380.log" dbfilename "redis_6380.rdb" dir "/data/redis_6380/" appendonly yes appendfilename "redis.aof" appendfsync everysec cluster-enabled yes cluster-config-file nodes_6380.conf cluster-node-timeout 15000 從節點配置模版
[root@m01 ~]# cat /etc/ansible/roles/redis_cluster/templates/redis_6381.conf.j2 bind {{ ansible_facts.eth0.ipv4.address }} port 6381 daemonize yes pidfile "/opt/redis_6381/pid/redis_6381.pid" logfile "/opt/redis_6381/logs/redis_6381.log" dbfilename "redis_6381.rdb" dir "/data/redis_6381/" appendonly yes appendfilename "redis.aof" appendfsync everysec cluster-enabled yes cluster-config-file nodes_6381.conf cluster-node-timeout 15000 3.啟動腳本
主節點啟動腳本
[root@m01 ~]# cat /etc/ansible/roles/redis_cluster/templates/redis-master.service.j2 [Unit] Description=Redis persistent key-value database After=network.target After=network-online.target Wants=network-online.target [Service] ExecStart=/usr/local/bin/redis-server /opt/redis_6380/conf/redis_6380.conf --supervised systemd ExecStop=/usr/local/bin/redis-cli -h {{ ansible_facts.eth0.ipv4.address }} -p 6380 shutdown Type=notify User=redis Group=redis RuntimeDirectory=redis RuntimeDirectoryMode=0755 [Install] WantedBy=multi-user.target 從節點啟動腳本
[root@m01 ~]# cat /etc/ansible/roles/redis_cluster/templates/redis-slave.service.j2 [Unit] Description=Redis persistent key-value database After=network.target After=network-online.target Wants=network-online.target [Service] ExecStart=/usr/local/bin/redis-server /opt/redis_6381/conf/redis_6381.conf --supervised systemd ExecStop=/usr/local/bin/redis-cli -h {{ ansible_facts.eth0.ipv4.address }} -p 6381 shutdown Type=notify User=redis Group=redis RuntimeDirectory=redis RuntimeDirectoryMode=0755 [Install] WantedBy=multi-user.target 4.tasks清單
[root@m01 ~]# cat /etc/ansible/roles/redis_cluster/tasks/main.yaml #01.創建用戶組 - name: 01_create_group group: name: redis gid: 777 #02.創建用戶 - name: 02_create_user user: name: redis uid: 777 group: redis shell: /sbin/nologin create_home: no #03.拷貝執行文件 - name: 03_copy_cmd copy: src: redis_cmd/ dest: /usr/local/bin/ mode: '0755' #04.拷貝運行目錄 - name: 04_mkdir_conf copy: src: "{{ item }}" dest: /opt/ owner: redis group: redis loop: - redis_6380 - redis_6381 #05.創建數據目錄 - name: 05_mkdir_data file: dest: "/data/{{ item }}" state: directory owner: redis group: redis loop: - redis_6380 - redis_6381 #06.拷貝配置文件模版 - name: 06_copy_conf template: src: "{{ item.src}}" dest: "{{ item.dest }}" backup: yes loop: - { src: 'redis_6380.conf.j2', dest: '/opt/redis_6380/conf/redis_6380.conf' } - { src: 'redis_6381.conf.j2', dest: '/opt/redis_6381/conf/redis_6381.conf' } - { src: 'redis-master.service.j2', dest: '/usr/lib/systemd/system/redis-master.service' } - { src: 'redis-slave.service.j2', dest: '/usr/lib/systemd/system/redis-slave.service' } notify: - restart redis-master - restart redis-slave #07.啟動服務 - name: 07_start_redis systemd: name: "{{ item }}" state: started daemon_reload: yes loop: - redis-master - redis-slave 5.handles清單
[root@m01 ~]# cat /etc/ansible/roles/redis_cluster/handlers/main.yaml - name: restart redis-master service: name: redis-master state: restarted - name: restart redis-slave service: name: redis-slave state: restarted 6.執行任務清單
[root@m01 ~]# cat /etc/ansible/redis_cluster.yaml - hosts: redis_cluster roles: - redis_cluster