How to Update User Password with Ansible

Photo by Alek Kalinowski on Unsplash

It’s very easy to change a user’s password with Ansible. Here I included 2 ways for your perusal: one with Ansible Playbook, and another one directly via command line.

Before we proceed, since Ansible does not allow us to pass a cleartext password through the User module, we’ll need to leverage on a password hashing library in Python.

pip install passlib

Update User Password with Ansible Playbook

Setup your playbook as followed. Let’s call it change-password.yml.

This playbook aims to update the password for the user admin across all hosts.

- hosts: all
become: yes
- name: Change user password
name: admin
update_password: always
password: "{{ newpassword|password_hash('sha512') }}"

To run this playbook, run the command as below. This will input the newpassword variable that will be used by our playbook.

ansible-playbook -i hostfile change-password.yml --extra-vars newpassword=12345678

Update User Password with Ansible from Command Line

Alternatively, if you prefer to run it only one time from command line directly, here’s the command that will do the same thing as the playbook above:

ansible -i hostfile all -m user -a "name=admin update_password=always password={{ newpassword|password_hash('sha512') }}" -b --extra-vars "newpassword=12345678"

Personally, I prefer the playbook approach as I could then commit to Github for future reuse.

I write about Laravel, PHP, and web development related articles.

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Jian Jye

Jian Jye

I write about Laravel, PHP, and web development related articles.

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