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Continuous Integration/ Continuous Delivery of web applications
- 1. Continuous Integration/ Continuous Delivery веб-приложения Evgeniy Kuzmin, CTO Smart Gamma
- 2. Agile attributes - Continuous integration with codebase - Development with autotests - Continuous feedback - Bugfix first - Feature planning & releases Goals - Increase development speed - Increase product quality - Decrease risk - Improve feedback - Increase time-to-market
- 3. Goal Use CI/CD not only for big teams Initial Conditions - workstationhealth.com - Laravel framework - 3 in house devs - AWS - Jira - bitbucket - QA/DevOps consulting
- 5. Trunc-based flow - “pure” CI
- 6. Feature / task branching GIT flow Is this CI? - small team - short-lived branches - force integration with develop in the task branch “in-progress” state Requirements
- 7. Force developers for faster integration
- 11. https://gist.github.com/Evgenas/c6da523eb2462d848d93505ef 603208b $ docker-compose -f docker-compose.yml -f docker-compose.local.yml up Or use Makefile $ make up
- 13. Auto-testing
- 14. “Одним только тестированием качества не добиться. Рецепт получения высокого качества: смешивайте разработку и тестирование в блендере, пока они не станут единой субстанцией.” “Вся ответственность за качество лежит на плечах тех, кто пишет код. Разработчик отвечает за качество всего кода, к которому он прикасается: пишет, исправляет или вносит изменения.” Роли: разработчик, разработчик в тестировании, инженер по тестированию Типы тестов: лёгкие, средние, долгие, супердолгие
- 15. 100% покрытие vs избирательное тестирование Модульные тесты (лёгкие) dependencies amount Algorithmic complexity Mediators бизнес-логика Простой код без зависимостей God Object / Spaghetti
- 16. Функциональные тесты (средние) Attributes Database connection Request modeling Response assertion Database assertion Goals API layer stability Business logic Testing code coverage (over unit testing coverage) Laravel pros Easy HOW TO START documentation Phpunit wrapper Transaction support “from the box”
- 20. Testing code coverage phpdbg – allows get test code coverage faster then xdebug find tests/ -name '*Test.php' | ./vendor/liuggio/fastest/fastest -o -p 4 -x phpunit.xml 'phpdbg -qrr ./vendor/phpunit/phpunit/phpunit {} -- coverage-php ./tests/_reports/logs/{n}.cov;' phpcov – allows merge test coverage from threads phpdbg -qrr ./vendor/bin/phpcov merge tests/_reports/logs/ --clover tests/_reports/logs/clover.xml
- 21. Etalon Datas Data loading variation: - Inline in each test - Preload before suite Laravel: - Seeds / factories - Organize domain data builders - Transactions
- 23. Transactions in phpunit Restore DB to the initial state after each test is completed
- 24. How to get faster feedback? Goal-keep Limits: - 5 mins for unit/functional tests - 20 mins for UI tests Benchmark for 1 thread Tests: 632, Assertions: 6765: 5 minutes 21 seconds Optimizations: - tests multithreading execution - seeds reload optimization - selective build code coverage (only in development branch)
- 25. Multithreading tests Tool: Fastest - https://github.com/liuggio/fastest find tests/ -name '*Test.php' | ./vendor/liuggio/fastest/fastest -o -p 4 -x phpunit.xml 'phpdbg -qrr ./vendor/phpunit/phpunit/phpunit {} --coverage-php ./tests/_reports/logs/{n}.cov;'
- 27. Optimization result 5 minutes 52 seconds vs 59 seconds
- 29. Phing - build automation tool Goal: One step build Tool: https://www.phing.info/ Sample: https://gist.github.com/Evgenas/97fc0bfb
- 31. Jenkins
- 32. Trigger light tests suite build (ergoblitz-build-minimal) BitBucket Plugin: https://plugins.jenkins.io/bitbucket Bitbucket Pullrequest Builder: https://plugins.jenkins.io/bitbucket-pullrequest-builder
- 35. Tests feedback notifications Slack Notification Plugin: https://plugins.jenkins.io/slack
- 36. Trigger next level tests Parameterized Trigger Plugin: https://plugins.jenkins.io/parameterized-trigger
- 38. UI/User Stories testing automation - end2end tests
- 39. Behat - what is inside? BDD or not BDD?
- 44. Jenkins behat job config
- 45. Run upstream behat job from build-ci-minimal job
- 46. Jenkins behat job config
- 47. Clean up end2end. environment
- 48. Reseed / redeploy before testing
- 49. Run tests with fastest for multithreading
- 50. Success result
- 54. Jira releases
- 55. Jenkins prepare release job
- 56. How to stick Jenkins build to Jira release Jira Plugin: https://plugins.jenkins.io/jira
- 59. Merge develop to master
- 60. Prepare docker images for production
- 61. Amazon ECR
- 62. Jenkins Docker build DockerCommon Plugin: https://plugins.jenkins.io/docker-commons CloudBees Docker Build and Publish Plugin: https://plugins.jenkins.io/docker-build-publish Amazon ECR Plugin: https://plugins.jenkins.io/amazon-ecr
- 64. Amazon Elastic Beanstalk Multicontainer Docker Environment
- 69. AWS Elastic Beanstalk Plugin: https://plugins.jenkins.io/awseb-deployment-plugin How to connect Jenkins and AWS Beanstalk
- 71. AWS Beanstalk configuration files App deployment: /Dockerrun.aws.json DB Migrations: ./ebextensions/my-scripts.config Cron: ./ebextensions/cronjob.config https://gist.github.com/Evgenas/8bdf43a1
- 73. Cronjob setup on deploy
- 74. Run migration on deploy
- 76. Migrations rules for blue-green deployments https://wiki.openstack.org/wiki/DBMigrationBestPractices
- 79. Additional preproduction auto-testing with BrowserStack
- 81. Production / preproduction errors monitoring with Slack