Test-driven Infrastructure with Chef

Sildes from a presentation given to Cisco Engineering, on 17th June 2013

Transcript

1. Test-driven Infrastructure with Chef Stephen Nelson-Smith @LordCope stephen@atalanta-systems.com Monday, 17 June 13
2. Success! Monday, 17 June 13
3. Monday, 17 June 13
4. Understand workflow Monday, 17 June 13
5. Understand philosophy Monday, 17 June 13
6. Behavior Monday, 17 June 13
7. Set up tool kit Start writing infrastucture code test-first Monday, 17 June 13
8. Devops Monday, 17 June 13
9. Devs who do ops Ops who do dev Monday, 17 June 13
10. ? Monday, 17 June 13
11. Is your production code tested? Monday, 17 June 13
12. Why? Monday, 17 June 13
13. Catch regressions? Meet requirements? Build confidence? Maintain quality? Maintain stability? Monday, 17 June 13
14. Infrastructure as Code Monday, 17 June 13
15. Do you test your infrastructure code? Monday, 17 June 13
16. Monday, 17 June 13
17. Not smart? Not responsible? Not easy? Monday, 17 June 13
18. About testing Monday, 17 June 13
19. 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
20. Signal In Signal Out Signal Processing Monday, 17 June 13
21. Build the right thing Business Failure Useless Crap Success Maintenance Nightmare Build the thing right Monday, 17 June 13
22. Workflow Monday, 17 June 13
23. 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
24. Toolkit Monday, 17 June 13
25. Computer Monday, 17 June 13
26. Editor Monday, 17 June 13
27. Configuration Management Framework Monday, 17 June 13
28. Dependency Solver Monday, 17 June 13
29. Chefspec Test Kitchen Serverspec Cucumber Monday, 17 June 13
30. Version check Monday, 17 June 13
31. Monday, 17 June 13
32. Monday, 17 June 13
33. Create a cookbook Monday, 17 June 13
34. Monday, 17 June 13
35. Add our testing tools to the Gemfile Monday, 17 June 13
36. Monday, 17 June 13
37. Run bundle install Monday, 17 June 13
38. [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
39. Gather requirements Monday, 17 June 13
40. Monday, 17 June 13
41. Write acceptance test Monday, 17 June 13
42. Monday, 17 June 13
43. Run acceptance test Monday, 17 June 13
44. Monday, 17 June 13
45. Write integration tests Monday, 17 June 13
46. Monday, 17 June 13
47. Configure Test Kitchen Monday, 17 June 13
48. Monday, 17 June 13
49. Run integration tests Monday, 17 June 13
50. Monday, 17 June 13
51. Write Unit Tests Monday, 17 June 13
52. Monday, 17 June 13
53. Monday, 17 June 13
54. Run Unit Tests Monday, 17 June 13
55. Monday, 17 June 13
56. Write Infrastructure Code Monday, 17 June 13
57. Monday, 17 June 13
58. Monday, 17 June 13
59. Monday, 17 June 13
60. Run Unit Tests Monday, 17 June 13
61. Monday, 17 June 13
62. Converge Node Monday, 17 June 13
63. Monday, 17 June 13
64. Monday, 17 June 13
65. Monday, 17 June 13
66. RESOURCE Monday, 17 June 13
67. Monday, 17 June 13
68. Monday, 17 June 13
69. Converge Again Monday, 17 June 13
70. Monday, 17 June 13
71. Run integration tests Monday, 17 June 13
72. Monday, 17 June 13
73. Infrastructure-building expectations Monday, 17 June 13
74. Netcat isn’t a real HTTP Server Monday, 17 June 13
75. Monday, 17 June 13
76. Monday, 17 June 13
77. Run acceptance test Monday, 17 June 13
78. Monday, 17 June 13
79. Success! Monday, 17 June 13
80. Automate All The Things Monday, 17 June 13
81. Automate All The Things Monday, 17 June 13
82. Travis CI Guard Jenkins Monday, 17 June 13
83. Resources Monday, 17 June 13
84. Monday, 17 June 13
85. 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