DevOps with Ansible

Transcript

1. DevOps with Ansible Federico Marani - DJUGL Sep ‘13

2. - First website in Python on Linux in 1998 -

   Startupper Federico Marani - @flagZ Tech Lead at

3. DevOps - Infrastructure as code - People leave companies Automate

   all the things!

4. DevOps should not require programming experience

5. DevOps = SysAdmin 2.0 (ideally keep the one-liners in the

   transition)

6. Ansible - Quick to get started - Builds on familiar

   tools - Run commands on ssh

7. Playbook

8. Task order is important Example: 1. Install Postgres 2. Create

   db user 3. Create database

9. Task are idempotent* *can be applied multiple times without changing

   the result beyond the initial application

10. Handlers commands flagged for later execution (when task caused state

    change)

11. Inventory

12. batteries included

13. How do we use it Postgresql PostGIS Solr Nginx Munin

    Rsyslog Postfix Vagrant Memcached Rabbitmq

14. TIPS

15. - Use Ansible roles - Use the action with least

    side effects (e.g. prefer “copy” to “template”)

16. - Keep servers stateless - Do things in the right

    place, either project level or infrastructure level.

17. Thanks Federico Marani @flagZ http://flagzeta.org Pics by - http://www.flickr.com/photos/zigazou76/ -

    http://www.flickr.com/photos/jamesclay/