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ansible:ansible_tips [2025/02/25 20:14]
manu
ansible:ansible_tips [2025/02/25 20:18] (current)
manu
Line 1: Line 1:
 ====== Ansible tips and tricks ====== ====== Ansible tips and tricks ======
  
-===== Replace inplace ​=====+===== Replacement in a file ===== 
 + 
 +==== Replace inplace ====
  
 Replace inplace sshd_config param (at same position) Replace inplace sshd_config param (at same position)
Line 29: Line 31:
         - regexp: '​^(.*)Port (.*)$'         - regexp: '​^(.*)Port (.*)$'
           line: "Port 2849"           line: "Port 2849"
 +</​code>​
 +
 +==== Insert after / before ====
 +
 +Use **insertafter** or **insertbefore**
 +<​code>​
 + ​tasks:​
 +  - name: add to ansible hosts file
 +    lineinfile:
 +      dest: /​ansible/​sshd_config
 +      insertafter:​ '​^\[ansible_ssh_host\]'​
 +      line: " test ansible_ssh_host=172.0.0.3"​
 +</​code>​
 +
 +==== Comment the all lines of a file ====
 +
 +<​code>​
 +  tasks:
 +    - replace:
 +        path: /​ansible/​sshd_config
 +        regexp: '​^(?​!#​)'​
 +        replace: '#'​
 </​code>​ </​code>​
  
Line 46: Line 70:
 </​code>​ </​code>​
  
-<​code>​ 
-- name: Backup file if it exists 
-  hosts: localhost 
-  tasks: 
-    - name: Check if the file exists 
-      stat: 
-        path: /​path/​to/​your/​file 
-      register: file_stat 
- 
-    - name: Create a backup if the file exists 
-      copy: 
-        src: /​path/​to/​your/​file 
-        dest: "/​path/​to/​backup/​file_{{ ansible_date_time.iso8601 }}.bak"​ 
-        remote_src: yes 
-      when: file_stat.stat.exists 
-</​code>​ 
- 
-=== Insert after / before === 
- 
-Use **insertafter** or **insertbefore** 
-<​code>​ 
- ​tasks:​ 
-  - name: add to ansible hosts file 
-    lineinfile: 
-      dest: /​ansible/​sshd_config 
-      insertafter:​ '​^\[ansible_ssh_host\]'​ 
-      line: " test ansible_ssh_host=172.0.0.3"​ 
-</​code>​ 
ansible/ansible_tips.1740510886.txt.gz · Last modified: 2025/02/25 20:14 by manu