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How can automation help with development practices

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December 06, 2017
Programming
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How can automation help with development practices

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PaulRbr

December 06, 2017
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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
  4. None

  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

  29. None

  30. Test Platform Code repository (dugd/25kv) (capitainetrain/25kv) Local changes

  31. None

  32. Test Platform Code repository (dugd/25kv) (capitainetrain/25kv) Local changes

  33. None

  34. (dugd/25kv) (capitainetrain/25kv) + Merge Request & Review

  35. None

  36. (dugd/25kv) (capitainetrain/25kv) ✅ Integration testing

  37. None

  38. (dugd/25kv) (capitainetrain/25kv) Merge Master

  39. None

  40. (dugd/25kv) (capitainetrain/25kv) Ship to Production

  41. None

  42. GIT WORKFLOW

  43. BUILD PIPELINE WORKFLOW

  44. BUILD PIPELINE CI WORKFLOW

  45. BUILD PIPELINE CI CD WORKFLOW

  46. BUILD PIPELINE WORKFLOW

  47. None
  48. None

  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

  66. None

  67. REMEMBER DUG?

  68. None
  69. None

  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

  77. None
  78. None
  79. None

  80. Review

  81. None

  82. ✅

  83. None

  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
  88. None
  89. None
  90. None
  91. None
  92. None
  93. None

  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
  97. None
  98. None

  99. HERITAGE

  100. 6 years

  101. None
  102. None
  103. None

  104. mature

  105. None

  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