Chef

chefconfiguration management with

jeff [email protected]

Sunday, October 24, 2010

i suckat titles


Configuration ManagementDrupalCamp NYC 8

http://www.flickr.com/photos/acmace/4434408330/




Configuration ManagementDrupalCamp NYC 8

10 people...





Configuration Management w/ChefDrupalCampMTL 2010

http://www.flickr.com/photos/cfso1952/3597279132/




Configuration Management w/ChefDrupalCampMTL 2010

11 people?





what the hell is configuration management


server configuration



codeSunday, October 24, 2010


code*we’re all programers!


http://www.hunterhomesnh.com/gallery.php?var=1

blueprints for your servers




http://www.flickr.com/photos/theodevil/4278796647/

and the factory to build it




what arethe tools

http://www.flickr.com/photos/ontario_wanderer/3496185271/




started in 1993

written in C

Argonne National Laboratory

written in python


first release in 2005

written in ruby

puppet DSL

similar to chef


http://www.flickr.com/photos/28056346@N06/3025510447/

chef





first release in 2009written in rubypure ruby DSL





quick run down


chef-clientruns on each machine


chef-servermanages each machine


chef-solosever and client all-in-one


every machine you configure is a node


every machine you configure is a node

*yeah more nodes!Sunday, October 24, 2010

nodes have attributes


$ ohai


$ ohai

*just a snippet


attributes can be searched with solr

http://wiki.opscode.com/display/chef/SearchSunday, October 24, 2010

http://wiki.opscode.com/display/chef/Search


attributes can be searched with solr

*nodes + searching ... is this a drupal site?

http://wiki.opscode.com/display/chef/SearchSunday, October 24, 2010



every node can be assigned a rolemyql server, apache server, both


every node has a run listlist of roles and recipes

applied in order


this is what chef manages

every node has a set of resources


resource


*a resource has an action


*resources have attributes*allow multiple actions






*resources can notify other resources


my.cnf.erb

*attributes


my.cnf.erb

*attributes


*can be overridden*searchable

attributes


lots more: http://wiki.opscode.com/display/chef/Resources

*adds cronjob to crontab for www-data user


http://wiki.opscode.com/display/chef/Resources

http://wiki.opscode.com/display/chef/Resources

recipe


*group of resources*run in order


cookbook


cookbook


file resolution


some useful examples for

drupalists


drush


git checkout


git checkout


git checkout


git checkout

branch



demo?


thanks!jeff wallace

[email protected]

*questions and comments encouraged


Technology

Chef