TDI with ChefDK 0.0.1

Work in progress. Not done yet!

Transcript

1. Testing Cookbooks
   

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2. Sean OMeara!
   someara@getchef.com!
   @someara
   

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3. whoami
   

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4. Writing Cookbooks
   

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8. Are we done?
   

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9. Testing Cookbooks
   

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10. Slightly more involved.
    

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11. The Basics
    http://www.flickr.com/photos/jronaldlee/5295169486/
    

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12. Run the recipe
    See what happens
    

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13. Manual techniques
    Automated techniques
    

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16. CLI IS
    BETTER
    

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17. ChefDK
    

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18. Our toolchain is in Ruby
    

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19. Standard Ruby dev
    setups are tricky to install
    

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20. System Ruby!
    RVM!
    chruby
    

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21. cd project ; bundle install
    

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24. Put the code in the can.
    

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25. OMNIBUS
    ChefDK!
    !
    Stable toolchain in an
    Omnibus installer
    

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28. Ruby!
    Chef!
    Test Kitchen!
    kitchen-vagrant!
    Berkshelf!
    Foodcritic!
    Rubocop!
    ChefSpec
    

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30. Converge Testing
    

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32. CaaP!
    vs!
    IaaP
    

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33. Cookbook as a Project!
    vs!
    Infrastructure as a Project
    

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34. no chef-repo
    

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35. battery not included
    

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36. kitchen-vagrant!
    kitchen-docker!
    kitchen-ec2!
    kitchen-rackspace!
    kitchen-gce!
    kitchen-digitalocean!
    kitchen-openstack!
    kitchen-bluebox!
    kitchen-joyent!
    kitchen-lxc
    also available
    

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47. Integration Testing
    ttps://www.flickr.com/photos/kitsa_sakurako/439652830
    

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48. Test that a set of resources have achieved
    their combined goal
    

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49. {
    testable
    
    intent
    

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52. Test Kitchen runs
    integration tests out of
    band of Chef
    

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53. It does this with bussers
    

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54. Bats!
    Serverspec!
    Minitest!
    Cucumber
    

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56. suite busser
    

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59. kitchen test!
    !
    kitchen converge!
    kitchen verify!
    kitchen destroy
    

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60. test
    tear down
    

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61. Style Testing
    

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63. Ruby level style
    enforcement
    

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70. single quotes
    space after comma
    no trailing whitespace
    

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73. Chef level style
    enforcement
    

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79. http://www.flickr.com/photos/40389360@N00/2428706650/
    Regression Testing
    

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80. ChefSpec makes
    assertions about
    compiled resource
    collections
    

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86. REFERENCE SLIDE
    

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90. https://github.com/opscode-cookbooks/yum
    https://github.com/opscode-cookbooks/mysql
    Reference Cookbooks
    https://github.com/opscode-cookbooks/jenkins
    https://github.com/opscode-cookbooks/yum-epel
    

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91. Cookbook Dependencies
    

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92. Often, a cookbook will
    depend on another
    

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93. include_recipe ‘another_cookbook::recipe’!
    !
    OR!
    !
    consume a resource shipped in
    another_cookbook
    

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94. For example
    

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97. not in core Chef
    

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98. ships in mysql
    cookbook
    

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101. Dependencies suck and
     you don’t want to manage
     them manually.
     

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103. Berkshelf is bundler for
     Chef cookbooks
     

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105. your chef-server here
     

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107. Bundler installs
     dependencies into your
     local gem cache
     

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108. Berkshelf installs
     dependencies into your
     local cookbook cache
     

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115. needs moar ServerSpec
     

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116. Continuous Integration
     

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117. This is all driven from the
     command line
     

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118. Which makes it super easy
     to wire into CI systems
     

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119. CI should watch version
     control for commits
     

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120. Polling!
     vs!
     Notifications
     

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121. I ran out of slides!
     

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