Ansible lineinfile Modules by Raj Gupta

lineinfile Modules :- This modules are used for to add a new line to file if and only if that line are not there in file. in other word this modules are used to avoid duplicate entry in file.

[ansible@ip-172-31-95-179 ~]$ cat playbook3.yml
-
  name: "this is our first playbook."
  hosts: all
  tasks:
    -
      name: "create a dummy file on websever1"
      lineinfile: path=/tmp/test.txt line="Raj"
[ansible@ip-172-31-95-179 ~]$ ansible-playbook playbook3.yml -i inventory.txt

PLAY [this is our first playbook.] *************************************************************************************************************************************

TASK [Gathering Facts] *************************************************************************************************************************************************

ok: [172.31.84.42]

TASK [create a dummy file on websever1] ********************************************************************************************************************************

changed: [172.31.84.42]

PLAY RECAP *************************************************************************************************************************************************************

172.31.84.42               : ok=2    changed=1    unreachable=0    failed=0

[ansible@ip-172-31-95-179 ~]$

Now run the below command on client 

[ansible@ip-172-31-84-42 tmp]$ cat test.txt

You are welcome

Raj

[ansible@ip-172-31-84-42 tmp]$