continuos integration for ios projects
TRANSCRIPT
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Continuous integration foriOS projects
Aleksandra Gavrilovska
Netcetera
355
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AGENDA
> iOS App Distribution Process
> Practices of Continuous Integration
> Jenkins
– How to configure slave
– How to configure job
> Build system at Netcetera
– Overview of rake tasks
– Benefits
– Improvements
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iOS App Distribution Process
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Practices of Continuous Integration
> Maintain a code repository
> Automate the build
> Make the build self-testing
> Everyone commits to the baseline every day
> Every commit (to baseline) should be built
> Keep the build fast
> Test in a clone of the production environment
> Make it easy to get the latest deliverables
> Everyone can see the results of the latest build
> Automate deployment
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overview
> Open source continuous integration service provider
> Runs in servlet container such as Apache Tomcat
> iOS Projects MUST be build on Mac
> Jenkins instances as slaves
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Configuring Jenkins Mac Slave
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Create New Job
> Properties that must be set
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Custom build system
> Implemented in Ruby
> Rake wrapper around xcodebuild
– Rakefile
– Several Ruby scripts
– Included in our xCode project templates
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Rakefile
xcode_project :"___PROJECTNAME___" do # The artifact_id is a alias for the main Xcode target artifact_id "___ARTIFACT_ID___” project_id "___PROJECT_ID___" group_id "___GROUP_ID___" svn "___SVN___"
release_destination "http://buildfs.group.nca/dav/projects/___PROJECTNAME___/release/" snapshot_destination "http://buildfs.group.nca/dav/projects/___PROJECTNAME___/snapshots/"
itunes_artwork "src/main/resources/iTunesArtwork”
adhoc_package "NetceteraAdhoc" do identity "iPhone Distribution: Netcetera AG" # by default the provisioning profile used will be src/packaging/ADHOC_PACKAGE_NAME.mobileprovision # you can override by using # provisioning_profile "path to provisioning profile" endend
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Rake tasks
agavrilo-2:agavrilo$ rake –tasks
rake build # Invokes xcode build to compile the project
rake ci # Invoked by the CI system
rake clean # Cleans the project
rake package # Creates the packages
rake release # Performs a release
rake release:rollback # [TBD]
rake report # Reports to techISR.
rake symbolicate # Symbolicates the crash report provided under the REPORT variable.
rake test # Invokes The tests
rake uitest # Run Cucumber features
task "ci" => "deliver-snapshot”
task "deliver-snapshot" => "package”
task "package" => ["appstore-package", "adhoc-packages"]
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Test execution
> rake test> GHUnit as testing framework
> Jenkins can run GHUnit tests– http://gabriel.github.com/gh-unit/docs/appledoc_include/guide_ci.html
> UnitTest target should Run Script
> Tests are executed on Simulator
> JUnit test result report is created (XML file)
> Reports to internal reporting tool
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Packaging
> rake package
> ‘Release’ configuration must exist in project scheme
> Creates app store package
> .dSYM file is stored
> Creates adhoc packages by resigning the app store packages
– Decreases the build time
– App store and adhoc application are both identical!
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Deployment
> rake delivery
> Deploys all artifacts to snapshot_destination
– All provisioning profiles
– App store build
– .dSYM package
– *.ipa packages
> Ready to be fetched for testing or submission in iTunes Connect
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Debugging: Symbolicate crash
> rake symbolicate REPORT=path_to_report
– REPORT can be a path to directory
> Extract the uuid from the crash report
> find the appropriate (matching) build on the DAV server
"No snapshot can be found that matches uuid: #{uuid}, for architecture: #{arch}”
> download it
> unpack it
> symbolicate it
lines = File.readlines(report).map {|line| line.tr("\r\n", '')}
line = lines[lines.index("Binary Images:") + 1]
line.match(/armv[67] +<[0-9a-z]+>/)[0].split(' ').map {|entry| entry.tr("<>", '')}
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Conclusion
> Benefits
– Not dependent on xCode version
– Control of the build process
– Control of the project state
– Applications are always ready to be tested
– Debugging
– Scalable and configurable build system•build of workspace•Installation of pods
> Improvements
– Installation of certificates in keychain
– Check for code duplicates
– Check style
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Questions