Ansible

Transcript

1. INTRODUCTION TO! ANSIBLE! BY THOMAS BREDILLET
 @THOMASBREDILLET
2. Deploying, Sharing, Reusing Automate, Orchestrate
3. Why using Ansible ? • Chef without having to write Ruby! • Puppet/Salt without masters, minions, manifests, certs..! • Diversity of Ansible modules
4. Task • It's a unit action that set the state of a system! • Code that is remotely executed with arguments • Directory should exist! • Service should run! • Package should be installed! • Files should be present
5. Task • Should be idempotent! • Can use conditionals! • Can use variables! • Use Ansible modules
6. Playbook Ordered set of tasks • Bundle of several tasks! • Set the variable values for the tasks! • Defines which host the bundle of tasks should be applied to.
7. Playbook • Tasks are executed synchronously! • In parallel across hosts! • Execution moves on until all tasks complete or all hosts have failed
8. Playbook
9. Roles Tasks! Handlers! Variables! Template! Dependencies
10. Roles
11. Example .. ! ! ! How we use Ansible!
12. Other features.. Accelerated mode ! Asynchronous tasks! Dry-run! Error handling! Tags
13. Questions ?