Travis CIのBuild Matrixを活用して、Swift製ライブラリをLinux対応させる

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Travis CIͷBuild MatrixΛ׆༻ͯ͠ Swift੡ϥΠϒϥϦΛLinuxରԠͤ͞Δ Sho Ikeda / @ikesyo CI/CD Test Night #4 2019-06-20 Thu #cicd_test_night

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Sho Ikeda / @ikesyo • ͍͚͠ΐʔʗ஑ా ᠳ • גࣜձࣾ͸ͯͳʢژ౎ΦϑΟεʣ • εϚʔτϑΥϯΞϓϦ։ൃ • iOS / Android / React Native • Swiftίϛολʔ • https://twitter.com/ikesyo • https://github.com/ikesyo

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Agenda • Swift Packages • Swift on Linux • ϩʔΧϧ։ൃ • Docker • CI؀ڥ • Travis CI • Build Matrix • swiftenv • ͦͷଞͷCIαʔϏε

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Swift

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Swift੡ϥΠϒϥϦ

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Swift Packages

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Swift Package Manager (SwiftPM) • The Package Manager for the Swift Programming Language • Bundled with Swift • Introduced in Swift 3 (2016) • ݱࡏ͸Swift 5ʢ2019೥ळʹSwift 5.1ʣ • https://github.com/apple/swift-package-manager

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Swift Package Manager (SwiftPM) • Package.swift • ϚχϑΣετϑΝΠϧʢύοέʔδఆٛʣ • Targets, Products, Dependencies, Build Settings, ...

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// swift-tools-version:5.0 import PackageDescription let package = Package( name: "Himotoki", platforms: [ .macOS(.v10_10), .iOS(.v8), .tvOS(.v9), .watchOS(.v2) ], products: [ .library(name: "Himotoki", targets: ["Himotoki"]), ], targets: [ .target(name: "Himotoki", dependencies: [], path: "Sources"), .testTarget(name: "HimotokiTests", dependencies: ["Himotoki"]), ], swiftLanguageVersions: [.v5] )

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Swift Package Manager (SwiftPM) • Uses • [NEW!] iOS/macOS/tvOS/watchOS Apps (since Xcode 11) • CLI tools • Server-side Swift

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Server-side Swift

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Swift on Linux

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Swift on Linux • https://swift.org/about/#linux • Ofﬁcial: Ubuntu 18.04/16.04/14.04 • Community: Fedora 27, Debian 9.5 • ී௨ͷSwiftϓϩάϥϚʔ͸macOSͱXcodeͰ։ൃ͍ͯ͠Δ • Ͳ͏΍ͬͯLinuxͰϏϧυͯ͠ςετ͢Δʁ • ޓ׵ੑ͸Ͳ͏ͳͷʁ

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ϩʔΧϧ։ൃ

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Docker

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swift-docker • An Ubuntu 16.04 and Ubuntu 18.04 Docker image for Swift. • https://github.com/apple/swift-docker • https://hub.docker.com/_/swift/ • $ docker run -it -v `pwd`:/project swift bash • $ cd project; swift build

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ෳ਺όʔδϣϯͰςετ • ෳ਺όʔδϣϯαϙʔτɺޓ׵ੑͷ֬อ • $ docker run -it -v `pwd`:/project swift:5.0 bash • $ docker run -it -v `pwd`:/project swift:4.2 bash • $ docker run -it -v `pwd`:/project swift:4.1 bash • ...

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CI؀ڥ

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Travis CI

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Travis CI • Build Matrix • https://docs.travis-ci.com/user/build-matrix/ • ෳ਺ͷδϣϒΛฒྻ࣮ߦ͢Δ • Linux͚ͩ͡Όͳͯ͘macOS΋࢖͑Δ • https://docs.travis-ci.com/user/reference/osx/ • macOSͱLinuxΛ·ͱΊͯςετͰ͖Δ • Always free for open source projects • https://travis-ci.com/plans • OSS͸ແྉͰLinux΋macOS΋࢖͑ΔʢmacOSͷಉ࣮࣌ߦ਺͸2·Ͱʣ • 1δϣϒ͋ͨΓͷϏϧυ࣌ؒͷ্ݶ͕50෼

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Build Matrix • 2*2*2ͷ8௨Γ rvm: - 2.5 - 2.2 gemfile: - gemfiles/Gemfile.rails-3.2.x - gemfiles/Gemfile.rails-3.0.x env: - ISOLATED=true - ISOLATED=false

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Build Matrix matrix: include: - rvm: 2.5 gemfile: gemfiles/Gemfile.rails-3.2.x env: ISOLATED=false - rvm: 2.5 gemfile: gemfiles/Gemfile.rails-3.2.x env: ISOLATED=true

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Build Matrix • macOSͱLinuxͦΕͧΕͰɺෳ਺όʔδϣϯͷSwiftΛςετ ͢Δ

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Build Matrix language: generic matrix: include: - &swiftpm_darwin name: SwiftPM / Darwin / Swift 4.2 os: osx osx_image: xcode10.1 script: swift test - <<: *swiftpm_darwin name: SwiftPM / Darwin / Swift 5.0 osx_image: xcode10.2 - &swiftpm_linux name: SwiftPM / Linux / Swift 4.2 os: linux sudo: required dist: trusty env: - SWIFT_VERSION=4.2.4 install: eval "$(curl -sL https://swiftenv.fuller.li/install.sh)" script: swift test - <<: *swiftpm_linux name: SwiftPM / Linux / Swift 5.0 env: - SWIFT_VERSION=5.0 - <<: *swiftpm_linux name: SwiftPM / Linux / Swift 5.1 Development env: - SWIFT_VERSION=5.1-DEVELOPMENT-SNAPSHOT-2019-05-28-a

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- &swiftpm_darwin name: SwiftPM / Darwin / Swift 4.2 os: osx osx_image: xcode10.1 script: swift test - <<: *swiftpm_darwin name: SwiftPM / Darwin / Swift 5.0 osx_image: xcode10.2

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- &swiftpm_linux name: SwiftPM / Linux / Swift 4.2 os: linux sudo: required dist: trusty env: - SWIFT_VERSION=4.2.4 install: eval "$(curl -sL https://swiftenv.fuller.li/install.sh)" script: swift test - <<: *swiftpm_linux name: SwiftPM / Linux / Swift 5.0 env: - SWIFT_VERSION=5.0 - <<: *swiftpm_linux name: SwiftPM / Linux / Swift 5.1 Development env: - SWIFT_VERSION=5.1-DEVELOPMENT-SNAPSHOT-2019-05-28-a

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swiftenv

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swiftenv • https://github.com/kylef/swiftenv • Swift Version Manager • ͲͪΒ͔ͰόʔδϣϯΛࢦఆ • ϑΝΠϧ: .swift-version • ؀ڥม਺: SWIFT_VERSION • $ eval "$(curl -sL https://swiftenv.fuller.li/install.sh)" • swiftenvࣗମͱɺࢦఆ͞ΕͨSwiftͷόʔδϣϯΛΠϯετʔϧ • Travis CIͷδϣϒͰDockerΛ࢖͏ͷ͸໘౗ͳͷͰ͜Ε͕ศར • https://docs.travis-ci.com/user/docker/

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ͦͷଞͷCIαʔϏε

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ͦͷଞͷCIαʔϏε • macOSͱLinux/Dockerͷ྆ํ͕࢖͑Δ͜ͱ͕લఏ • Bitrise • CircleCI • Azure Pipelines

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Bitrise • https://www.bitrise.io/ • OSS޲͚ͷແྉϓϥϯ͋Γ • https://blog.bitrise.io/free-developer-plan-features-for-open-source- projects-on-bitrise • ฒྻ࣮ߦෆՄ • Ϗϧυ࣌ؒ: 45෼·Ͱ • Ϗϧυճ਺: ແ੍ݶ • Linux/Android StackͰ͸࢖༻͢ΔDockerΠϝʔδΛࢦఆͰ͖Δ

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CircleCI • https://circleci.com/ • OSS޲͚ͷແྉϓϥϯ͋Γ • https://circleci.com/pricing/ • Linux: 4ฒྻ • macOS: 1ฒྻʢϝʔϧͰ࿈བྷ͢Δඞཁ͋Γʣ

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CircleCI • Workﬂows • https://circleci.com/docs/2.0/workﬂows-overview/ • Travis CIͷBuild MatrixͷΑ͏ʹॊೈͳฒྻ࣮ߦ͕Ͱ͖Δ • Linux: DockerϕʔεͳͷͰswiftenv͍Βͣ • ॊೈͳΩϟογϡ੍ޚ • https://circleci.com/docs/2.0/caching/

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Azure Pipelines • https://azure.microsoft.com/ja-jp/services/devops/pipelines/ • OSS޲͚ͷແྉϓϥϯ͋Γ • LinuxɺmacOSɺWindowsͷ߹ܭͰ10ฒྻʢ੍࣌ؒݶͳ͠ʣ • Linux: DockerϕʔεͳͷͰswiftenv͍Βͣ • Azure Pipeline - Speaker Deck • iOS Test Night #10Ͱͷ@giginet͞Μͷൃද