Create a text file - Ansible module copy

How to create a simple text file with two linex of content in Ansible.

September 22, 2021

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

Ansible create a text file

Today we’re talking about Ansible module copy. The full name is ansible.builtin.copy which means is part of the collection of modules “builtin” with ansible and shipped with it. This module is pretty stable and out for years. The purpose is to copy files to remote locations but it’s also capable to create some simple text files. If you need a more complex configuration it’s better to rely on the template module.

Parameters

dest path - destination file
content string - text
mode/owner/group - permission
setype/seuser/selevel - SELinux

The parameter list is pretty wide but I’ll summarize the most useful for the use case. The only required parameter is “dest” which specifies the remote absolute path destination. The content parameter sets the contents of a file directly to the specified value. It works only when dest is a file/ Please note that if you use a variable in the content parameter will result in unpredictable output. For advanced formatting or if the content contains a variable, use the ansible.builtin.template module. Let me also highlight that we could also specify the permissions and SELinux properties.

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Let’s jump into a real-life playbook on how to create an empty file with Ansible.

code

copy.yml

---
- name: copy module demo
  hosts: all
  vars:
    myfile: "{{ ~/example.txt }}"
  tasks:
  - name: create a text file
    ansible.builtin.copy:
      dest: "{{ myfile }}"
      content: |
        line 1
        line 2

code with ❤️ in GitHub

Recap

Now you know better how to create a text file with Ansible. Subscribe to the YouTube channel, Medium, Website, Twitter, and Substack to not miss the next episode of the Ansible Pilot.