How can automation help with development practices

Transcript

1. HOW CAN AUTOMATION HELP WITH DEVELOPMENT PRACTICES
2. a.k.a LA MÉTHODE DE DEV CHEZ CAPITAINE TRAIN
3. WHO AM I? ⌨ + ⚙ + ⏸ So ware Developer ▶ Linux Infra & Ops @paulRb_r
5. autonomy
6. initiative
7. empathy
8. communication
9. honesty
10. responsibility
11. humor
12. DEVELOPMENT WORKFLOW
13. Local changes
14. Pull Request · Merge Request ·
15. Review
16. Review
17. Review
18. Integration testing ✅
19. Merge Master
20. Ship it to Production
21. TL; DL · Local changes · Pull Request / Merge Request · Review · ✅ Integration testing · Merge Master · Ship
22. DUG THE DEVELOPER Willing to contribute code
23. DUG THE DEVELOPER Working in the 25kv team
24. DEVELOPMENT WORKFLOW
25. GIT WORKFLOW
26. Test Platform
27. Test Platform Code repository (capitainetrain/25kv)
28. Test Platform Code repository (capitainetrain/25kv) (dugd/25kv) Local changes
30. Test Platform Code repository (dugd/25kv) (capitainetrain/25kv) Local changes
32. Test Platform Code repository (dugd/25kv) (capitainetrain/25kv) Local changes
34. (dugd/25kv) (capitainetrain/25kv) + Merge Request & Review
36. (dugd/25kv) (capitainetrain/25kv) ✅ Integration testing
38. (dugd/25kv) (capitainetrain/25kv) Merge Master
40. (dugd/25kv) (capitainetrain/25kv) Ship to Production
42. GIT WORKFLOW
43. BUILD PIPELINE WORKFLOW
44. BUILD PIPELINE CI WORKFLOW
45. BUILD PIPELINE CI CD WORKFLOW
46. BUILD PIPELINE WORKFLOW
49. 1 commit == 1 pipeline
50. GITLAB
51. Open Source ❤
52. GITLAB · source code · merge request · review · CI build pipelines · Artifacts · Docker registry · ...much more
53. GITLAB CI
54. Open Source ❤
55. .gitlab-ci.yml file
56. versioned within git
57. declarative
58. job1: script: make build job2: script: make test
59. integrated
60. PIPELINE
61. 1 pipeline == n stages
62. stages: - build - test - deploy
63. 1 stage == n jobs
64. job1-unit-test: stage: test job2-acceptance-test: stage: test
65. 1 pipeline == jobs x stages
67. REMEMBER DUG?
70. .gitlab-ci.yml image: ruby:2.4
71. .gitlab-ci.yml image: ruby:2.4 bundle: stage: build script: - bundle install --deployment artifacts: paths: [ '.bundle/', 'vendor/' ]
72. .gitlab-ci.yml image: ruby:2.4 bundle: stage: build script: - bundle install --deployment artifacts: paths: [ '.bundle/', 'vendor/' ] test: stage: test script: - bundle exec rake test
73. .gitlab-ci.yml image: ruby:2.4 bundle: stage: build script: - bundle install --deployment artifacts: paths: [ '.bundle/', 'vendor/' ] test: stage: test script: - bundle exec rake test lint: stage: test script: - bundle exec rubocop
74. .gitlab-ci.yml image: ruby:2.4 # … security: stage: test script: - bundle exec brakeman
75. .gitlab-ci.yml image: ruby:2.4 # … security: stage: test script: - bundle exec brakeman bundle-audit: stage: test script: - bundle exec bundle-audit check --update
76. + Merge Request & Review
80. Review
82. ✅
84. .gitlab-ci.yml image: ruby:2.4 deploy:integration: stage: deploy script: - bundle exec rake deploy env=${CI_COMMIT_REF_NAME} only: - dev
85. .gitlab-ci.yml image: ruby:2.4 stages: - build - test - deploy - # Something missing?
86. .gitlab-ci.yml image: ruby:2.4 stages: - build - test - deploy - qa
87. .gitlab-ci.yml image: ruby:2.4 deploy:integration: stage: deploy script: - bundle exec rake deploy env=${CI_COMMIT_REF_NAME} only: - dev performance: stage: qa script: - bundle exec rake performance \ target="https://${CI_COMMIT_REF_NAME}.test.trainline.eu/" only: - dev
94. .gitlab-ci.yml image: ruby:2.4 deploy:integration: stage: deploy script: - bundle exec rake deploy env=${CI_COMMIT_REF_NAME} only: - dev
95. .gitlab-ci.yml image: ruby:2.4 deploy:integration: stage: deploy script: - bundle exec rake deploy env=${CI_COMMIT_REF_NAME} only: - dev - master
96. .gitlab-ci.yml image: ruby:2.4 deploy:integration: stage: deploy script: - bundle exec rake deploy env=${CI_COMMIT_REF_NAME} only: - dev - master deploy:production: stage: deploy script: - bundle exec rake deploy env=production only: - master when: manual # ← Manual button to trigger Job
99. HERITAGE
100. 6 years
104. mature
106. alive
107. builds "as code"
108. for people
109. Thank you! QUESTIONS? · Slides → · Demo CI → https://paulrbr.gitlab.io/talks/dev-workflow.html https://gitlab.com/paulrbr/ruby-ci