Test driven infrastructure with chef

The slides to my talk at the DevOps Würzburg Meetup on 2017-09-12.

Git repository with DEMO code: https://gitlab.com/muhh/devops_wue_tdi

Transcript

1. TEST DRIVEN INFRASTRUCTURE WITH CHEF DevOps meetup Würzburg 2017-09-12 Markus Heurung
2. $ whoami MARKUS HEURUNG > @muhh > markus@freistil.it > Web Ops lead @freistil building freistilbox
3. TEST DRIVEN WHAT? @sadserver
4. TEST DRIVEN DEVELOPMENT 1. Write test 2. implement functionality 3. refactor
5. CHEFDK The Chef Development Kit is a package that contains everything that is needed to start using Chef1 1 https://docs.chef.io/workstation.html#chef-dk
6. CHEFDK > chef generate > rubocop > foodcritic > Berkshelf > serverspec > inspec > test-kitchen
7. chef generate cookbook devops_wue_tdi
8. RUBOCOP RuboCop is a Ruby static code analyzer. Out of the box it will enforce many of the guidelines outlined in the community Ruby Style Guide.2 chef exec rubocop . 2 http://rubocop.readthedocs.io/
9. FOODCRITIC Foodcritic is a helpful lint tool you can use to check your Chef cookbooks for common problems.3 chef exec foodcritic . 3 http://foodcritic.io
10. BERKSHELF Berkshelf is a dependency manager for Chef cookbooks. With it, you can easily depend on community cookbooks and have them safely included in your workflow.4 4 http://berkshelf.com
11. CHEFSPEC ChefSpec is a unit testing framework for testing Chef cookbooks. ChefSpec makes it easy to write examples and get fast feedback on cookbook changes without the need for virtual machines or cloud servers.5 5 https://chefspec.github.io/chefspec/
12. SERVERSPEC RSpec tests for your servers configured by CFEngine, Puppet, Ansible, Itamae or anything else.6 6 http://serverspec.org
13. INSPEC InSpec is compliance as code7 7 https://www.inspec.io
14. TEST-KITCHEN Kitchen provides a test harness to execute infrastructure code on one or more platforms in isolation.8 8 http://kitchen.ci
15. .KITCHEN.YML --- driver: name: vagrant require_chef_omnibus: true provisioner: name: chef_zero verifier: name: inspec platforms: - name: ubuntu-16.04 - name: windows-2012r2 suites: - name: client run_list: - recipe[postgresql::client] - name: server run_list: - recipe[postgresql::server]
16. $ kitchen create $ kitchen converge $ kitchen setup $ kitchen verify $ kitchen destroy
17. $ kitchen test
18. LINKS > Repository zum Talk: gitlab.com/muhh/ devops_wue_tdi > Slides - Speakerdeck: speakerdeck.com/muhh
19. DEMO