ansible10结合了分子判断和循环（在when里作循环）

admin

1. ---
   
2. - name: Install Mariadb-Server
   
3.   hosts: servera
   
4.   tasks:
   
5.   - name: Test Fact Vars
   
6.     yum:
   
7.       name: mariadb-server
   
8.       state: latest
   
9.     loop: "{{ ansible_mounts }}"
   
10.     when: item.mount == "/" and item.size_available  >= 13958643
    

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1. ---
   
2. - name: Restart httpd if postfix running
   
3.   hosts: webgroup
   
4.   vars:
   
5.     v_service:
   
6.       - postfix
   
7.       - dovecot
   
8.   tasks:
   
9.   - name: Get postfix Server Status
   
10.     shell: "systemctl is-active {{ item }}"
    
11.     ignore_errors: yes
    
12.     loop:
    
13.       "{{ v_service }}"
    
14.     register: v_result
    
15. 
    
16. #  - name:  debug info
    
17. #    debug:
    
18. #      var: v_result
    
19. 
    
20.   - name: Restart httpd Based on Server Status
    
21.     service:
    
22.       name: httpd
    
23.       state: restarted
    
24.     when: item.failed == true
    
25.     loop: "{{ v_result.results }}"
    

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