• Challenges we have faced in adaptation of company-wide pipeline and automated tests in many people / multi-product company • ଟਓɾଟϓϩμΫτͷ͋Δاۀʹ͓͚ΔɺશࣾతͳύΠϓϥ Πϯͷඋ͓Αͼࣗಈςετಋೖɾීٴͷ՝ͦͷࠀͷྲྀ ΕΛհ͠·͢ɻ Abstraction
Responsibility • Transforming the whole company into “Agile” and “Test automation” Career • Programmer • Software Engineering Researcher/Consultant • Coach Test Coach, Agile Coach Yahoo Japan Corporation About me Teppei Yamaguchi
• Programmers & Designers: 3,000+ • Services: 100+ (Portal, News, Ad, Shopping, Auction, Mail, Weather, …) • Service quality is the responsibility of the service department • No company-wide QA process • No QA department • Members change teams often Yahoo! JAPAN 4FSWJDF" %JWJTJPO 1SPEVDU$ %JWJTJPO #VTJOFTT%FTJHOFS 1SPHSBNNFSFUD 1MBUGPSN4FSWJDF
▼Situation • Manual testing, deployment etc. was standard for many teams • Only a few advanced teams did CI/CD with Jenkins ▼Issue • We couldn’t provide services and products continuously on the latest OS and middleware • Spend lots of time to support older OS and middleware • Security risk 1st Improvement Project -Preparation for CI/CD implementation-
▼Top-down: establish new strategy • Clarify responsible groups of each module • Latest OS ▼Bottom-up: support individuals / teams • Jenkins support 1st Improvement Project -Preparation for CI/CD implementation-
▼Problems in project • High business goals, making it difficult to get resources for this work ▼Action for project problem solution • Explain individually to team’s managers, over and over again 1st Improvement Project -Preparation for CI/CD implementation-
▼Result • Update to latest OS and clarify responsible groups was completed • CI implementation itself hardly progressed 1st Improvement Project -Preparation for CI/CD implementation-
▼Situation • Some teams used CI/CD with Jenkins • The importance of CI/CD was recognized but many teams didn’t use CI/CD ▼Issue • Cost to start using CI/CD was too high • Fixing security issues in CI/CD environment was high cost • Costs to move members between teams were high because all teams customized their own CI/CD in silos and requires relearning 2nd Improvement Project -CI/CD implementation-
2nd Improvement Project -CI/CD implementation- ▼Top-down: establish new strategy • Use of centralized pipeline tools(Screwdriver.cd, Concourse, Approduce) • Write test code • Explain to business managers for reserving CI/CD implementation resources ▼Bottom-up: support individuals / teams • Provide Pipeline tool support • Provide testing support with test automation
▼Problems in project • High preparation cost for automated E2E testing • Difficult to automate testing for legacy systems ▼Action for project problem solution • Started new project to support automated E2E testing • Clarified the strategy so that automating tests for legacy can be postponed 2nd Improvement Project -CI/CD implementation-
▼Result • Automated build and automated deployment with pipeline tools became common • Couldn’t write test code for some legacy systems 2nd Improvement Project -CI/CD implementation-
▼Situation • Builds & deployments were executed with the pipelines, but automated E2E tests were few ▼Issue • No E2E test environment in the pipeline and members didn’t know how to build it • Automated E2E tests of mobile app was not stable • Maintaining mobile devices required for man-powered E2E testing was too effort intensive Automated E2E Testing Support
▼Bottom-up: support individuals / teams • Provide centralized E2E test environment & tool(based on Appium) for mobile app using the pipeline • Provide Selenium container • Test automation support • Pair test programming, Pair E2E test environment development • Support incremental implementation of automated E2E test Automated E2E Testing Support
▼Situation • Many teams did CI/CD with pipeline tools • CI/CD couldn’t be done for legacy systems ▼Issue • Cost to automate testing for legacy systems was too high 3rd Improvement Project -CI/CD implement to legacy system-
▼Top-down: establish new strategy • Refactoring from legacy systems to new testable systems • Explain to executives for assign CI/CD implementation resources ▼Bottom-up: support individuals / teams • Provide Pipeline tool support • Provide testing support 3rd Improvement Project -CI/CD implement to legacy system-
• Implementation of company-wide CI/CD takes a long time • There are many problems that can not be discovered without trying, because every teams are in various situations. • Need continuous improvement • Especially if you do something that does not go well Points
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