Test-driven Infrastructure with Chef

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Test-driven Infrastructure with Chef Stephen Nelson-Smith @LordCope [email protected] Monday, 17 June 13

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Success! Monday, 17 June 13

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Monday, 17 June 13

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Understand workﬂow Monday, 17 June 13

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Understand philosophy Monday, 17 June 13

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Behavior Monday, 17 June 13

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Set up tool kit Start writing infrastucture code test-ﬁrst Monday, 17 June 13

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Devops Monday, 17 June 13

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Devs who do ops Ops who do dev Monday, 17 June 13

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? Monday, 17 June 13

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Is your production code tested? Monday, 17 June 13

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Why? Monday, 17 June 13

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Catch regressions? Meet requirements? Build conﬁdence? Maintain quality? Maintain stability? Monday, 17 June 13

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Infrastructure as Code Monday, 17 June 13

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Do you test your infrastructure code? Monday, 17 June 13

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Monday, 17 June 13

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Not smart? Not responsible? Not easy? Monday, 17 June 13

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About testing Monday, 17 June 13

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Business-facing Technology-facing Support development Critique Project Acceptance Tests Unit Tests Integration Tests Usability Tests Exploratory Tests Load Tests Penetration Tests Monday, 17 June 13

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Signal In Signal Out Signal Processing Monday, 17 June 13

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Build the right thing Business Failure Useless Crap Success Maintenance Nightmare Build the thing right Monday, 17 June 13

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Workﬂow Monday, 17 June 13

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Write Acceptance Tests Pass? Victory! Run Integration Tests Pass? Run Acceptance Tests Run Unit Tests Write Integration Tests Write Unit Tests Pass? Write Infrastructure Code Yes Yes Yes No No No Monday, 17 June 13

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Toolkit Monday, 17 June 13

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Computer Monday, 17 June 13

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Editor Monday, 17 June 13

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Conﬁguration Management Framework Monday, 17 June 13

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Dependency Solver Monday, 17 June 13

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Chefspec Test Kitchen Serverspec Cucumber Monday, 17 June 13

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Version check Monday, 17 June 13

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Create a cookbook Monday, 17 June 13

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Monday, 17 June 13

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Add our testing tools to the Gemﬁle Monday, 17 June 13

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Monday, 17 June 13

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Run bundle install Monday, 17 June 13

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[tdi@tk01 cisco]$ bundle install Updating git://github.com/opscode/test-kitchen.git Updating git://github.com/opscode/kitchen- vagrant.git Fetching gem metadata from https:// rubygems.org/....... Fetching gem metadata from https:// rubygems.org/.. Resolving dependencies... Using chefspec (1.3.1) Using gherkin (2.12.0) Using cucumber (1.3.2) ... ... ... Using kitchen-vagrant (0.10.1.dev) from git:// github.com/opscode/kitchen-vagrant.git (at provisioners) Using leibniz (0.1.0) Using bundler (1.3.5) Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed. Monday, 17 June 13

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Gather requirements Monday, 17 June 13

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Monday, 17 June 13

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Write acceptance test Monday, 17 June 13

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Monday, 17 June 13

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Run acceptance test Monday, 17 June 13

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Monday, 17 June 13

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Write integration tests Monday, 17 June 13

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Monday, 17 June 13

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Conﬁgure Test Kitchen Monday, 17 June 13

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Monday, 17 June 13

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Run integration tests Monday, 17 June 13

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Monday, 17 June 13

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Write Unit Tests Monday, 17 June 13

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Monday, 17 June 13

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Run Unit Tests Monday, 17 June 13

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Monday, 17 June 13

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Write Infrastructure Code Monday, 17 June 13

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Monday, 17 June 13

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Run Unit Tests Monday, 17 June 13

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Converge Node Monday, 17 June 13

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RESOURCE Monday, 17 June 13

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Converge Again Monday, 17 June 13

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Run integration tests Monday, 17 June 13

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Infrastructure-building expectations Monday, 17 June 13

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Netcat isn’t a real HTTP Server Monday, 17 June 13

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Monday, 17 June 13

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Run acceptance test Monday, 17 June 13

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Success! Monday, 17 June 13

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Automate All The Things Monday, 17 June 13

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Automate All The Things Monday, 17 June 13

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Travis CI Guard Jenkins Monday, 17 June 13

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Resources Monday, 17 June 13

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https://github.com/acrmp/chefspec https://github.com/opscode/test-kitchen http://serverspec.org http://leibniz.cc http://cukes.info http://www.opscode.com Monday, 17 June 13