SaltStack and You

Transcript

1. Salt Thursday, September 6, 12 This talk is about salt

2. http://www.flickr.com/photos/pboyd04/2081320295/ Thursday, September 6, 12 No, not this kind

3. Thursday, September 6, 12 This is SaltStack

4. Remote Execution Manager Thursday, September 6, 12 Mostly referred to

   as a Remote Execution Manager

5. Wut?! Thursday, September 6, 12 ... which usually gets this

   reaction

6. Thursday, September 6, 12 What does it actually do? What

   can I use it for?

7. http://www.flickr.com/photos/crazycups/3262757577/ Thursday, September 6, 12 Developers shouldn't be stuck in

   Groundhog Day. Stop repeating yourself.

8. $ ssh [email protected] Thursday, September 6, 12 (poll the audience)

9. $ ssh [email protected] Thursday, September 6, 12 D.R.Y. applies to

   SSH

10. root:~$ vi /etc/nginx.conf Thursday, September 6, 12 (poll the audience)

11. root:~$ vi /etc/nginx.conf Thursday, September 6, 12 D.R.Y. applies to

    config management

12. fabric Thursday, September 6, 12 Might be familiar with existing

    tools, like fabric (lightweight abstraction over SSH)

13. fabric + concurrency + failure handling + speed Thursday, September

    6, 12 "Imagine you want to run a command on a thousand hosts. Okay -- now it's failed on four of them. Find them." Salt is built on ZeroMQ.

14. Thursday, September 6, 12 Chef and Puppet are great at

    what they do

15. - ruby - hassle + more than configs Thursday, September

    6, 12 But we can do better. Salt is written by Pythonistas _for_ Pythonistas. You'll grok the terminology and have a working environment faster than any of the alternatives.

16. Thursday, September 6, 12 Short intro: bootstrap your master node

17. Thursday, September 6, 12 Bootstrap your minions

18. a b c Thursday, September 6, 12 Define your states,

    which can consist of packages, config files, data, other commands, or really whatever you want

19. web web web a b c Thursday, September 6, 12

    Label your minions as being members of certain groups

20. web web web a b c db db Thursday, September

    6, 12 Label your minions as being members of certain groups

21. web web web a b c db db static static

    Thursday, September 6, 12 Label your minions as being members of certain groups

22. web web web a b c db db static static

    cache cache Thursday, September 6, 12 Label your minions as being members of certain groups

23. web web web a b c db db static static

    cache cache $ cmd Thursday, September 6, 12 Go to town, applying states to groups, or issuing one-off commands. Tie this into an automated deployment system of your CI service for bonus points.

24. Thanks! Thursday, September 6, 12