ansible Templates：模版

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Templates：模版

 

cat /etc/ansible/hosts

　　

 

cat templates/nginx.conf.j2

- hosts: test
 remote_user: root
 vars:
 - package: httpd
 - service: httpd
 tasks:
 - name: install nginx package
   yum: name={{ package }} state=latest
 - name: install configuration file for httpd
   template: src=/root/templates/httpd.conf.j2 dest=/etc/httpd/conf/httpd.conf
   notify: 
   - restart httpd
    
 - name: start httpd service
   service: enabled=true name={{ service }} state=started
 handlers:
 - name: restart httpd
   service: name={{ package }} state=restarted

 

tags 标签

<u><!--Tags用于选择运行或路过playbook中的部分代码，ansible具有幂等性，因此会自动跳过没有变化的部分，即便如此，有些代码为测试其确实没有发生变化的时间依然会非常长，此时，如果确信其没有变化，就可以通过tags跳过此些代码片段--></u>

- hosts: test
 remote_user: root
 vars:
 - package: nginx
 - service: nginx
 tasks:
 - name: install nginx package
   yum: name={{ package }} state=latest
   tags:
   - install
 - name: configuration file for httpd
   tags:
   - conf
   template: src=/root/templates/nginx.conf.j2 dest=/etc/nginx/nginx.conf
   notify: 
   - restart nginx
 - name: start nginx service
   shell: nginx
   tags:
   - start_nginx  
 handlers:
 - name: restart nginx
   shell: nginx -s reload
    
 # ansible-playbook nginx_temp.yml --tags="conf" 指定tags运行
 # 特殊tags: always 无论如何都会运行

 

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