Sergey Dzyuban ''Cooking the Cake for Nuget packages"
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How to manage CI\CD process for many git repositories (400+), when each of repository needs to be published as NuGet package? Combining Cake and Jenkins features allow building the generic pipeline for packages creation, versioning and publish. Based on C# code, source controlled and compiled in runtime, Cake gives perfect flexibility to build advanced CI\CD process. Large scale also required some tricks inside CI infrastructure and related services.
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Sergey Dzyuban ''Cooking the Cake for Nuget packages"
- 1. Sergey Dzyuban, SBTech Cooking the Cake for Nuget packages
- 3. Consider regular repository CICD DevOps Repository build tests deploy
- 4. … but what if company has more repos ?
- 6. … much more
- 9. … ok, actually 400+ repos and most of them are .NET solutions
- 10. The common issues • Lot of repositories, managed separately • Repository-specific logic placed in each repository as scrips • 1++ jobs in Jenkins to process each repository OR none jobs at all • Common logic (unit test, nuget publish) need to be applied per each repository … as result • 90 % of all DevOps resources are taken to fix existing jobs and adding new one • Impossible to make common changes (adding Sonar, notifications) for all jobs at once • “Lost” and “phantom” jobs: build_xxx_repo_dev_temp_1
- 11. Analyzing existing repositories Common Unique C# Solutions count File structure Scripts (even language) VS solution Projects type Git controlled Deploy type • Manage CICD logic in version control system • Add ability to minimize Jenkins jobs number by adding common jobs, which can process multiple repositories • Allow to easy use CICD scripts outside Jenkins • Allow to make centralized changes in whole CICD process as simply as possible. • Add support for create Nuget Packages
- 12. The main idea – Repository as Interface Each repository should contain some part of internal scripts, which will have common interface to interact with repository in same way. Common Interface members • REPO HELP • REPO BUILD • REPO UNITTEST • REPO PACKAGE REPOSITORY help build test pack
- 13. How it was
- 14. How it should be build test deploy
- 15. Part 2 Cake
- 17. Why we are using cake ? • Cake is not Powershell • Many build-in integrations • Cake is C# and Roslyn • Cake can use PowerShell • Cake can use tools and add-ins as NuGet packages • Cake can reference another *.cake as Tasks • Simpsons already did it
- 18. Adding cake to existing repository Repository build.cake src cake build.ps1 repo.sln tools Tasks deploy.cake tests.cake
- 19. Best practices for single repository • Place cake in separate folder • Use separate cake tasks • Powershell is the best start
- 20. … but take a look at real call example ./cake/build.ps1 -ScriptArgs “- solution='.srclog4net.sln' -source='src'" -Target build -Verbosity Verbose
- 21. … but take a look at real call example ./cake/build.ps1 -ScriptArgs “- solution='.srclog4net.sln' -source='src'" -Target build -Verbosity Verbose
- 23. Adding batch file Repository build.cake src cake build.ps1 repo.sln tools Tasks deploy.cake tests.cake cake.bat Batch script: • build.ps1 check-download • define solution file(s) name • hides default settings • makes call clear REPOSITORY help build test pack
- 24. Adding batch file Repository build.cake src cake build.ps1 repo.sln tools Tasks deploy.cake tests.cake cake.bat Batch script: • build.ps1 check-download • define solution file(s) name • hides default settings • makes call clear REPOSITORY help build test pack
- 25. Adding batch file Repository build.cake src cake build.ps1 repo.sln tools Tasks deploy.cake tests.cake cake.bat Batch script: • build.ps1 check-download • define solution file(s) name • hides default settings • makes call clear REPOSITORY help build test pack cake build cake cake test cake package
- 26. What about another repository ? … we have lot of them
- 27. Using contract Repository build.cake src cake build.ps1 repo.sln tools Tasks deploy.cake tests.cake cake.bat F# build.cake src cake build.ps1 repo.sln tools Tasks fsharp.cake gatling.cake cake.bat > cake > cake build > cake test > cake package
- 28. Adding Jenkins jobs build test deploy git clone cake build notify
- 29. Some issues on this stage • Lot of cake tasks are duplicated • Hard to make changes in cake tasks • Adding new repo by copy-paste • Bug fixes in cake requires changes of all repos
- 30. Adding Master repository Master Repo build.cake cake build.ps1 Repository custom.cake src cake repo.sln cake.bat build.cake build.ps1 copy tools
- 31. Master Repository allows • Keep all logic in one place • Fix bugs and implement features quickly • Avoid code duplication • Decrease cake script size committed in each repo • Easy to add a new repository
- 32. Deep dive into the build.cake
- 33. Dependency based programming package init clean set new version build pack publish
- 34. Dependency based programming package init clean set new version build pack publish Task("package") .IsDependentOn("init") .IsDependentOn("clean") .IsDependentOn("setnewversion") .IsDependentOn("build") .IsDependentOn("pack") .IsDependentOn("publish") .Does(() => { });
- 35. Dependency based programming package init clean set new version build pack publish before build msbuild unit testsonar begin sonar end clean nuget restore nunit ncover
- 36. … what about customization? Master Repo build.cake cake build.ps1 Repository custom.cake src cake repo.sln cake.bat
- 37. Tasks inheritance base.package init clean set new version build pack publish custom.cake package build.cake base.init base.clean base.version base.build base.pack base.publish
- 38. Tasks inheritance base.package init clean set new version build pack publish custom.cake package build.cake base.init base.clean base.version base.build base.pack base.publish Task("Information") .IsDependentOn("Base.Information") .Does(() => {}); Task("Clean") .IsDependentOn("Base.Clean") .Does(() => {}); Task("Build") .IsDependentOn("Base.Build") .Does(() => {}); Task("BeforeBuild") .Does(() => {}); Task("UnitTest") .IsDependentOn("Base.UnitTest") .Does(() => {});
- 39. Tasks inheritance base.package init clean set new version build pack publish custom.cake package build.cake base.init base.clean base.version base.build base.pack base.publish
- 40. Tasks inheritance base.package init clean set new version build pack publish custom.cake package build.cake base.init base.clean base.version base.build base.pack base.publish Task("Information") .IsDependentOn("Base.Information") .Does(() => {}); Task("Clean") //.IsDependentOn("Base.Clean") .Does(() => { StartProcess("rm -rf /"); }); Task("Build") .IsDependentOn("Base.Build") .Does(() => {}); Task("BeforeBuild") .Does(() => {}); Task("UnitTest") .IsDependentOn("Base.UnitTest") .Does(() => {});
- 41. Out of the box features We provide some list of features, available for all repositories by default
- 42. Build-in features • Run UnitTests • NUnit • XUnit • Code coverage • Sonar code analysis • Build .NET solutions • .NET Framework • .NET Core • Restore nuget packages • Create nuget packages • By csproj • By nuspec • By core csproj • Make commitstags to git • Publish artifacts
- 43. How we maintain scripts 5% 95% CODE custom.cake build.cake 5% 55% 40% CODE custom.cake build.cake addons
- 44. How we maintain scripts Master Repo build.cake cake build.ps1 Repository custom.cake src cake repo.sln cake.bat build.cake build.ps1 tools src addon Class1.cs addon.dll
- 45. How we test scripts
- 46. How we test scripts Master repo master Repo 0 Repo 60 master master cake
- 47. How we test scripts Master repo master Repo 0 Repo 60 master master cake dev feature/_temp F# Repo master dev
- 48. How we test scripts Master repo master Repo 0 Repo 60 master master cake dev feature/_temp F# Repo master dev
- 52. Jenkins by itself is good enough … but let’s add some additional features for static code analysis
- 55. Slack for build notifications
- 58. Elastic for great CI telemetry In high scale CI process single build makes no lot of sense, but Jenkins telemetry allows to show the whole picture.
- 61. Custom Dashboard … allows to aggregate events from all system parts and visualize status snapshot, actual on the current moment of time. It provide only the required information from large amount of data.
- 65. Hosting for Dashboard Having DCOS cluster setup and running, it’s easy to add and maintain all required components.
- 67. Q & A