Add Execute Permission 755 Linux file - Ansible module file

How to automate the setting of execute permission 755 for example.sh Linux file with Ansible module file.

March 30, 2022

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#ansible #file #module #permission #filesystem #linux #redhat #ubuntu #chmod

How to Add Execute Permission 755 on Linux file with Ansible?

I’m going to show you a live demo and some simple Ansible code. I’m Luca Berton and welcome to today’s episode of Ansible Pilot.

Ansible Add Execute Permission

ansible.builtin.file
Manage files and file properties

Today we’re talking about the Ansible module file. The full name is ansible.builtin.file, which means that is part of the collection of modules “builtin” with ansible and shipped with it. It’s a module pretty stable and out for years. It works in a different variety of operating systems. It manages files and file properties. For Windows targets, use the ansible.windows.win_file module instead.

Main Parameters

path string (dest, name) - file path
owner string - user
group string - group
mode raw - Ex: ‘0644’ or ‘u=rw,g=r,o=r’
state string - file/absent/directory/hard/link/touch
setype/seuser/selevel - SELinux

This module has some parameters to perform any tasks. The only required is “path”, where you specify the filesystem path of the file you’re going to edit. The parameter “owner” set the user that should own the file/directory. The parameter “group” set the group that should own the file/directory. The parameter “mode” set the permissions in the UNIX way of the file/directory. The state defines the type of object we are modifying, the default is “file” but we could handle also directories, hard links, symlinks, or only update the access time with the “touch” option. Let me also highlight that we could also specify the SELinux properties.

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demo

How to Add Execute Permission 755 file on Linux with Ansible Playbook. I’m going to show you how to set the chmod +x of an example.sh Linux file with Ansible.

code

file_permission.yml

---
- name: file module demo
  hosts: all
  vars:
    myscript: "~/example.sh"
  tasks:
    - name: set execution permission
      ansible.builtin.file:
        dest: "{{ myscript }}"
        mode: 'a+x'

example.sh

#!/bin/bash
echo "Hello World"

execution

ansible-pilot $ ansible-playbook -i virtualmachines/demo/inventory file_management/file_permission.yml
PLAY [file module demo] ***************************************************************************
TASK [Gathering Facts] ****************************************************************************
ok: [demo.example.com]
TASK [set execution permission] *******************************************************************
changed: [demo.example.com]
PLAY RECAP ****************************************************************************************
demo.example.com           : ok=2    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0
ansible-pilot $

idempotency

ansible-pilot $ ansible-playbook -i virtualmachines/demo/inventory file_management/file_permission.yml
PLAY [file module demo] ***************************************************************************
TASK [Gathering Facts] ****************************************************************************
ok: [demo.example.com]
TASK [set execution permission] *******************************************************************
ok: [demo.example.com]
PLAY RECAP ****************************************************************************************
demo.example.com           : ok=2    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0
ansible-pilot $

before execution

ansible-pilot $ ssh [email protected]
Last login: Wed Mar 30 13:38:46 2022 from 192.168.0.59
[devops@demo ~]$ cat example.sh 
#!/bin/bash
echo "Hello World"
[devops@demo ~]$[devops@demo ~]$ ls -al example.sh 
-rw-r--r--. 1 devops wheel 31 Mar 30 13:39 example.sh
[devops@demo ~]$

after execution

ansible-pilot $ ssh [email protected]
Last login: Wed Mar 30 13:40:36 2022 from 192.168.0.59
[devops@demo ~]$ ls -al example.sh 
-rwxr-xr-x. 1 devops wheel 31 Mar 30 13:39 example.sh
[devops@demo ~]$ ./example.sh 
Hello World
[devops@demo ~]$ cat example.sh 
#!/bin/bash
echo "Hello World"