Ansible ini_file module, simplifying your DevOps life

If you don’t read docs, one day you’ll realize that your an idiot as i am|was.

A few days back, I’ve realized that i was using wrong all Ansible modules power since i started with it. What happened?

Most of the time i use Ansible is related to OpenStack configuration jobs. Almost, all OpenStack projects use INI formatted files for their configuration files.
When i started using Ansible, I searched on Google how to configure any kind of file with Ansible modules. Almost all blogs/forums that i saw, talked about lineinfile module. So i used these guidelines on my next few months, now i realize that i was using in the wrong way Ansible modules.

Ansible have a module called ini_file, you change values inside INI formatted files in a easy way , you don’t need to use complicated regular expressions to change a value in a file.

Here you have ini_file module usage docs:

We are going to change Neutron user password in his dump config file, so we create a simple task on which we can see how ini_file module can be used.

- hosts: localhost
  - name: Change neutron user password
      dest: ~/neutron.conf
      section: keystone_authtoken
      option: password
      value: 12345

Once the task has been applied, we can see how the values are applied in a proper ini style.

cat neutron.conf
password = 12345

How many times you need to make a change in an INI formatted configuration file with Ansible and used lineinfile module?
If the answer is many times, it’s OK, you are a dump like me.

Regards, Eduardo Gonzalez

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