jinja模块

 vi installMySQL.yaml

- hosts: web

 tasks:

     - name: install MySQL

        yum:

           name:mariadb-server

     - name: push my.cnf

       copy:

           src: /work/my.cnf

           dest: /etc/my.cnf

     - name: start MySQL daemon

       service:  

           name: started

           enabled: yes

:wq

# ansible-playbook installMySQL.yaml

#template组件调用模板

# vi my.cnf

server_id={{ db_id }}

bind-address={{ ansible_all_ipv4_addresses[0] }}

:wq

# mv my.cnf my.cnf.j2

vi installMySQL2.yaml

- hosts: web

 tasks:

     - name: install MySQL

        yum:

           name:mariadb-server

     - name: push my.cnf

       template:

           src: /work/my.cnf.j2

           dest: /etc/my.cnf

     - name: start MySQL daemon

       service:  

           name: started

           enabled: yes

:wq

# ansible-playbook installMySQL2.yaml

#handlers组件重启服务

vi installMySQL3.yaml

- hosts: web

 tasks:

     - name: install MySQL

        yum:

           name:mariadb-server

     - name: push my.cnf

       template:

           src: /work/my.cnf.j2

           dest: /etc/my.cnf

       notify: restart MySQL

     - name: start MySQL daemon

       service:  

           name: started

           enabled: yes

   handlers:

     - name: restart MySQL

       service:

           name: mariadb

           state: restarted

:wq

# ansible-playbook installMySQL3.yaml