Continuous Development and Deployment: Workflows and Patterns
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Presentation by Fabrizio Branca at the Jenkins User Conference 2015 in Santa Clara, California This talk provides a closer look into processes from collaboratively writing code, having it tested automatically and deployed it in a safe and efficient way to multiple server with a push of a button. Learn how to setup solid workflows covering both automated steps for builds, unit and selenium testing as well as manually triggered steps for approval and automated deployments to AWS. Find out how to structure your web project and learn about the underlying deployment patterns.
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Continuous Development and Deployment: Workflows and Patterns
- 1. #jenkinsconf / @fbrnc Workflows and Patterns …
- 2. 2 September 5, 2015
- 4. #jenkinsconf / @fbrnc San Francisco, CA Janine Fiona that’s me Leo
- 8. #jenkinsconf / @fbrnc type “YESIKNOWWHATIMDOING” + click automatically
- 10. #jenkinsconf / @fbrnc One size doesn’t fit all!
- 12. #jenkinsconf / @fbrnc Continuous Development Continuous Delivery Continuous Integration Continuous Deployment Continuous Monitoring Continuous Jenkins Everything sounds better with “continuous”
- 16. #jenkinsconf / @fbrnc StagingIntegrationDevbox ProductionDeploy transient, potentially broken
- 17. #jenkinsconf / @fbrnc StagingIntegrationDevbox ProductionDeploy VirtualBox + Vagrant Jenkins Server identical setup
- 19. #jenkinsconf / @fbrnc What is it? A simple shell script. That’s it! No Ant, no Phing, no fancy PHP tool/framework Where is it used? In the build job of a Jenkins server What does it need to know? Where to get all the source code from What does it do? add metadata, composer, minify, packaging, upload to S3
- 20. #jenkinsconf / @fbrnc What is it? A couple of chef cookbooks. Run by AWS OpsWorks or Vagrant,… Where is it used? On the target servers What does it need to know? The role of the server (web server, devbox, Redis,…) What does it do? Installing and configuring web server, PHP, MySQL, Redis,…
- 21. #jenkinsconf / @fbrnc What is it? A simple shell script. Or the “deploy” chef cookbook Or EasyDeployWorkflows Where is it used? On the target servers What does it need to know? How to get the build and where to deploy it to What does it do? (Resetting the environment), getting the build, extracting it, managing release folders and symlinks, triggering installer, cleanup old releases
- 22. #jenkinsconf / @fbrnc What is it? A simple shell script. Sometimes triggered inside “deploy” before_migrate.rb Where is it used? On the target servers, called from deployment step What does it need to know? What environment this is. Injected settings What does it do? Run modman, apply settings, trigger update scripts, customize cache prefix, indexing,…
- 23. #jenkinsconf / @fbrnc doesn’t know anything about the app, except where to get it from and where to put it knows how to get the app up and running
- 25. #jenkinsconf / @fbrnc no creating CMS blocks no creating product attributes no updating of any configuration settings! no clearing the cache no purging CDN or Reverse Proxy content!
- 26. #jenkinsconf / @fbrnc media directory (sometimes minified) Database dump (Vanilla) Magento core Modules Scripts Settings Tools
- 27. #jenkinsconf / @fbrnc Urls Database Settings Payment Provider Configuration Feature Flags… Everything that’s different between two environments
- 31. #jenkinsconf / @fbrnc Awesome stuff Every single line potentially can break production! Bratwurst (Germans) Donut (Americans) Pizza (Italians)
- 32. #jenkinsconf / @fbrnc Version Control GIT, SVN,… PHP lint
- 33. #jenkinsconf / @fbrnc Version Control Code Reviews Crucible,…
- 35. #jenkinsconf / @fbrnc Build Files ler Settings Static Code Analysis CodeSniffer php-pmd php-cpd php-depend
- 36. #jenkinsconf / @fbrnc Static Code Analysis Install on “Integration” First system where code from all developers/teams meets each other unstable system, might be broken, will be rebuilt without warning
- 37. #jenkinsconf / @fbrnc Install on “Integration” Unit Tests PHPUnit
- 38. #jenkinsconf / @fbrnc Unit Tests Integration Tests AOE PMD (for Magento) broken links, HTTP headers, W3C validity,… Test features that rely on other parts (e.g. framework, external services,…) External components (SSL, Redis, Varnish, ERP, Data Import,…) Basically this is also PHPUnit, but addressing other things
- 39. #jenkinsconf / @fbrnc Integration Tests Acceptance Tests Selenium
- 42. #jenkinsconf / @fbrnc Acceptance Tests Install on “Staging” Behat, PDIFF,… Same setup as production, but different machines Client QA / approval
- 43. #jenkinsconf / @fbrnc Install on “Staging” Stress Tests JMeter Spin up EC2 instances to produce traffic
- 44. #jenkinsconf / @fbrnc Again: multiple servers or autoscaling setup Stress Tests Install on “Production” A/B Deployments on different scales Plan B: rollback Zero Downtime
- 48. #jenkinsconf / @fbrnc Stress Tests Install on “Production”
- 49. #jenkinsconf / @fbrnc Deployment != Feature Release
- 50. #jenkinsconf / @fbrnc Install on “Production” Enable Features
- 51. #jenkinsconf / @fbrnc Version Control Code Reviews Build Static Code Analysis Install on “Integration” Unit Tests Integration Tests Acceptance Tests Install on “Staging” Install on “Production” Enable Features
- 52. #jenkinsconf / @fbrnc Pipeline Visualization #284 #283 #282 #281 #280 Build Static Code Analysis Unit Tests Install on “Integration” Integration Tests Acceptance Tests #285 for team dashboards
- 54. #jenkinsconf / @fbrnc Tom E.
- 61. #jenkinsconf / @fbrnc Follow me on twitter! My blog