Ansible - superluminal way to infrastructure automation - Warsjawa

warsjawa2014-ansible-superluminal-way-to-infrastructure-automation-notatki.md

About

Luzne notatki z warsztatow 'Ansible - superluminal way to infrastructure automation' na Warsjawa 2014

Comparsion with Puppet, Chef

• Ansible agentless.
• Almost nothing on the machine
• Python does the work

Under the hood

• YAML & Jinja2

Example

Updating ansible.

• Playbook structure:
  • group_vars
  • host_vars
  • inventory
  • roles
  • site.yml
• site.yml content:

---
- hosts: localhost
  sudo: True
  tasks:
    - name: "Add Ansible repository"
      apt_repository:
        repo: "ppa:ansible/ansible"
        state: present
    - name: "Upgrade Ansible"
      apt:
        name: "ansible"
        state: "latest"

• inventory content:

localhost_ansible=local

Ansible Galaxy

Something similar to Chef supermarket:

https://galaxy.ansible.com/