The document summarizes a presentation given by Joshua Timberman on updates to the Chef automation tool. It discusses new features in Chef including an authentication refactor, search engine changes, API improvements, library resource types (LWRPs), a cookbook sharing site, and the Opscode training and hosting platform. It also provides an overview of the Knife command-line tool and Shef interactive shell for working with Chef.

1. Copyright © 2010 Opscode, Inc - All Rights Reserved
Speaker:
‣ joshua@opscode.com
‣ @jtimberman
‣ www.opscode.com
Joshua Timberman Technical Evangelist
1
Whats new with Chef?
Wednesday, October 27, 2010

2. Copyright © 2010 Opscode, Inc - All Rights Reserved 2http://www.flickr.com/photos/anotherphotograph/2100904507/sizes/o/
System administrator
Opscode: Training, Services
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3. Copyright © 2010 Opscode, Inc - All Rights Reserved 3http://www.brooklynstreetart.com/theBlog/wp-content/uploads/2008/12/swedish_chef_bork-sleeper-cell.jpg
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4. Copyright © 2010 Opscode, Inc - All Rights Reserved
200 individuals
50 companies
1000+ commits!
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5. Copyright © 2010 Opscode, Inc - All Rights Reserved 5
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6. Copyright © 2010 Opscode, Inc - All Rights Reserved
Current release:
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7. Copyright © 2010 Opscode, Inc - All Rights Reserved
0.9.10
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8. Copyright © 2010 Opscode, Inc - All Rights Reserved 8
0.9.10
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9. Copyright © 2010 Opscode, Inc - All Rights Reserved 9
0.9.12
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10. Copyright © 2010 Opscode, Inc - All Rights Reserved
~20 releases
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11. Copyright © 2010 Opscode, Inc - All Rights Reserved
Authentication refactor
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12. Copyright © 2010 Opscode, Inc - All Rights Reserved
Search Engine Change
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13. Copyright © 2010 Opscode, Inc - All Rights Reserved
Robustificated API
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14. Copyright © 2010 Opscode, Inc - All Rights Reserved
LWRP
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15. Copyright © 2010 Opscode, Inc - All Rights Reserved
LWRP
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aws_ebs_volume
aws_elastic_ip
daemontools_service
bluepill_service
pacman_group
pacman_aur
mysql_database
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16. Copyright © 2010 Opscode, Inc - All Rights Reserved
Data bags store
arbitrary data
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17. Copyright © 2010 Opscode, Inc - All Rights Reserved 17
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18. Copyright © 2010 Opscode, Inc - All Rights Reserved 18
Cookbooks are
shareable!
cookbooks.opscode.com
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19. Copyright © 2010 Opscode, Inc - All Rights Reserved
Cookbook Site API
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REST API
“knife cookbook site”
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20. Copyright © 2010 Opscode, Inc - All Rights Reserved
The Opscode Platform
is a hosted Chef Server
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http://www.opscode.com
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21. Copyright © 2010 Opscode, Inc - All Rights Reserved 21
Training!
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22. Copyright © 2010 Opscode, Inc - All Rights Reserved
info.opscode.com/
opentraining
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23. Copyright © 2010 Opscode, Inc - All Rights Reserved
Training and Services
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3 day fundamentals
5 day bootcamp
Consulting services
Webcasts, guides, support
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24. Copyright © 2010 Opscode, Inc - All Rights Reserved
Command-line API
utility, Knife
24http://www.flickr.com/photos/myklroventine/3474391066/
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25. Copyright © 2010 Opscode, Inc - All Rights Reserved
Knife - Chef Server API
role
node
client
cookbook
data bag
search
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26. Copyright © 2010 Opscode, Inc - All Rights Reserved 26
cookbooks.opscode.com
knife cookbook site
‣ download
‣ list
‣ search
‣ share
‣ show
‣ unshare
‣ vendor
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27. Copyright © 2010 Opscode, Inc - All Rights Reserved 27
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28. Copyright © 2010 Opscode, Inc - All Rights Reserved 28
Fog
EC2
Rackspace/Openstack
Terremark/vcloud
Slicehost
Others...?
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29. Copyright © 2010 Opscode, Inc - All Rights Reserved 29
Knife resources
man page
--help
examples
webcasts
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30. Copyright © 2010 Opscode, Inc - All Rights Reserved
Shef is Chef in IRB
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31. Copyright © 2010 Opscode, Inc - All Rights Reserved 31
cider:~ (ruby-1.9.2-p0)
% shef
loading configuration: /Users/
jtimberman/.chef/shef.rb
Session type: standalone
Loading..........................done.
This is shef, the Chef shell.
Chef Version: 0.9.10
http://www.opscode.com/chef
http://wiki.opscode.com/display/chef/
Home
run `help' for help, `exit' or ^D to
quit.
Ohai2u jtimberman@cider.local!
chef >
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32. Copyright © 2010 Opscode, Inc - All Rights Reserved 32
chef > recipe
chef:recipe > file "/tmp/derailed" do
chef:recipe > content "Hello world!"
chef:recipe ?> end
=> file[/tmp/derailed]
chef:recipe > run_chef
[Wed, 20 Oct 2010 20:04:36 -0600] DEBUG: Processing file[/tmp/
derailed] on jtimberman
[Wed, 20 Oct 2010 20:04:36 -0600] INFO: Creating file[/tmp/derailed]
at /tmp/derailed
=> true
chef:recipe > IO.read("/tmp/derailed")
=> "Hello world!"
Write resources!
It’s just ruby!
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33. Copyright © 2010 Opscode, Inc - All Rights Reserved 33
chef:recipe > search(:node, "*:*")
=> [node[bourbon], node[archvm.int], node
[cask.int], node[barkeep.int], node
[cider.int]]
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34. Copyright © 2010 Opscode, Inc - All Rights Reserved
Resources/Questions
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www.opscode.com/chef
IRC and Mailing lists
‣ irc.freenode.net #chef
‣ lists.opscode.com
Twitter:
‣ @opscode, #opschef
‣ @jtimberman
Questions?
Wednesday, October 27, 2010