Explore Ansible Playbook

Ansible Playbook Guide

What is an Ansible Playbook?

An Ansible Playbook is a YAML file that contains plays, or groups of tasks, which describe actions to be performed on managed nodes (hosts). Each play in a playbook is executed sequentially on specified hosts.

Sample Playbook

Here’s an example playbook that installs the tree package on all hosts:

---
- name: Install tree Package
  hosts: all
  become: true
  tasks:
    - name: Install tree
      yum:
        name: tree
        state: present

Explanation of Each Part

---: Start of the YAML file.
name: Title of the play for readability.
hosts: Specifies which hosts to run tasks on (here, all hosts).
become: true: Enables privilege escalation.
tasks: List of actions to be performed.

Running the Playbook

To execute the playbook, use the following command:

ansible-playbook install_tree.yml

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