cook up some stacks of drupal goodness with chef

Cook Up Some Stacksof Drupal Goodness

With Chef@CraigMcEldowney

+@SteveRifkin

=@crifkin

Presenter: Craig McEldowneyPeanut Gallery: Steve Rifkin

13 years dev/consulting

WCMS, ECMS, DAM, WTF?

6 years Drupal??? years ad-hoc,

de facto sysadmin

DrupalCamp LA 2012@craigmceldowney+@steverifkin=@crifkin

Agenda

DevOpsWhat is Chef?Your KitchenStacks of GoodnessDemo/Questions/Applause


DevOps

How do you maintain servers???

Package ManagersScriptingVMs / Golden ImagesMultiple Clients / Multiple Platforms / Hair-tearing R@GE!!!


DevOps

So now I’m a sysadmin…

%@#!&@#$#@

…but I know how to program!!!


What is Chef?

Open source systems integration framework by Opscode

System configuration as source code◦Configuration Template w/ Business Logic◦Describe infrastructure◦Establish relationships between boxes

When a new server comes online, all you need to do is tell Chef what role(s) it plays in your architecture. All other servers will adjust their configuration automatically to welcome the new member to the fold!!!


What is Chef?

http://wiki.opscode.com/pages/viewpage.action?pageId=7274862


http://wiki.opscode.com/pages/viewpage.action?pageId=7274862

Why Chef?

Golden Images = badAutomated / Repeatable processBreak platform-dependencyIdempotency

◦Operations can be applied multiple times w/out changing the result

◦e.g. Always enforce compliance with desired configuration


Your (messy) Kitchen… or… where the metaphor dies!!!!


Chef Crash Course

Node / Client

Cookbook

◦Recipes

◦Templates

Roles


Flavors of Chef

◦Chef Solo

◦Managed Chef (hosted chef provided by Opscode)

◦Chef Server


Knife – Chef’s drush!!!

“Knife”: One of the few adherents to the “chef” metaphor!!!

Push changes to chef server◦ knife cookbook upload◦ knife role from file

Create nodes◦ knife ec2 server create

Trigger actions on nodes◦ knife ssh

Discover information about nodes◦ knife search

Plugins◦ knife ec2 server list


Stacks… In Pratice…

Nice and easy…

Uh oh… lookout…


…or even

Blah dah DOOSH!!!


It’s Demo-o-clock!!!DrupalCamp LA 2012@craigmceldowney+@steverifkin=@crifkin

Chef Resources

Hosted Chef◦http://www.opscode.com/hosted-chef/

Install Ruby Version Manager◦http://beginrescueend.com

Install Chef on your Workstation◦http://wiki.opscode.com/display/chef/

Workstation+SetupDownload community cookbooks

◦http://community.opscode.com/Chef documentation

◦http://wiki.opscode.com


cook up some stacks of drupal goodness with chef

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