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TDI with ChefDK 0.0.1

someara
August 12, 2014

TDI with ChefDK 0.0.1

Work in progress. Not done yet!

someara

August 12, 2014
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  1. Testing Cookbooks

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  2. Sean OMeara!
    [email protected]!
    @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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