GitLab CI x Docker のススメ

2016/11/1 Roppongi.rb での LTの資料です〜

Transcript

1. GitLab CI x Docker
   ΄φφϮ
   Japanese: @zyunnosuke
   English: @morizyune
   Roppongirb #2
   

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2. ͠ڹ抑ΞҘ
   • morizyun(ϯϷυϲЀ);͚͜ݷڹͽϚϐϕͽ΅ၚ
   㵕ͭͼ͚Δͯ
   • ̿ᯌ;ဴ;Ruby;Rails;̀͹ͼϣϺνΨ䨗͚ͼ
   ͚Δͯ
   

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3. ֟抨ͽͯ͢...
   • ͷ΀Ε΁ͩ΄ϤϹωЀ΅ md2key ͽ֢ΠΔͭ
   ͵̶@k0kubun ͫΩ̵͘Π͢;͚ͪͬ͜ΔͯѺ
   

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4. About GitLab
   • GitHubμϺЄЀ̶̶̶̵͞GitHubͽ͚͚ͮΙΩ
   • ͳ΄᭗Πͽͯ͢…
   • Ӯ΄Ӿ΁΅ᐒٖϚϐϕϼЄμ΄ϊЄφᓕቘΨ(ry
   • Community Edition΀Ο僻ාͽςЄϝ΁ف΢Ο΢Ρ
   • ͿΩͿΩෛ䱛ᚆ᭄͢ے=> GitLab CI + Docker׎ڥ
   

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5. About GitLab
   • GitHubμϺЄЀ̶̶̶̵͞GitHubͽ͚͚ͮΙΩ
   • ͳ΄᭗Πͽͯ͢…
   • Ӯ΄Ӿ΁΅ᐒٖϚϐϕϼЄμ΄ϊЄφᓕቘΨ(ry
   • Community Edition΀Ο僻ාͽςЄϝ΁ف΢Ο΢Ρ
   • ͿΩͿΩෛ䱛ᚆ᭄͢ے=> GitLab CI + Docker׎ڥ
   

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6. 䱛ᚆ奧Օ: Issue Management
   • θЀϝЀ୵ୗ΄όφμᓕቘ

   (GitHub΄ProjectΞ͡ϷϷЄφ෱͡͹͵)
   

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7. 䱛ᚆ奧Օ: Snippet
   • Gist ϶αμ΀φϘϧϐϕϑЄϸ
   

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8. 䱛ᚆ奧Օ: GitLab CI (๜氂)
   • GitLab ΄䱛ᚆ΄Ӟ᮱;ͭͼCI΄䱛ᚆ͘͢Ρ
   (GitLab 8.x͡Ο)
   

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9. 䱛ᚆ奧Օ: GitLab CI (๜氂)
   • GitLab ΄Ӿͽ CI / CD ͢ͽͣΡ
   

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10. ͿΩ΀ίЄκϓμώϰҘ
    • GitLab ;΅㳨΁ Runner Ψ㳨΁αЀφϕЄϸ
    • Docker Container Ψ墋㶨΁㵕͡ͱΡ
    

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11. ͿΩ΀ίЄκϓμώϰҘ
    • GitLab ;΅㳨΁ Runner Ψ㳨΁αЀφϕЄϸ
    • Docker Container Ψ墋㶨΁㵕͡ͱΡ
    Mac ͽiOS΄ϠϸϖΘݢᚆ
    

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12. ͽΘRunner΄installᶎׯͮΙҘ
    • GitLabςЄϝURL;TokenΨ೰ਧͯΡͶͧ
    # Install Docker
    $ curl -sSL https://get.docker.com/ | sh
    # Install GitLab CI runner
    $ curl -L https://packages.gitlab.com/install/repositories/
    runner/gitlab-ci-multi-runner/script.deb.sh | sudo bash
    $ sudo apt-get install gitlab-ci-multi-runner
    # Register the runner to GitLab
    $ sudo gitlab-ci-multi-runner register
    # => Please enter the gitlab-ci coordinator URL (e.g.
    https://gitlab.com )
    # => Please enter the gitlab-ci token for this runner
    DockerπϫЀϖΨ
    ͺ͡͞ΡΞ͜΁ͯΡ
    Docker CI Runner
    ΨαЀφϕЄϸ
    GitLab ςЄϝ;Token
    Ψ೰ਧͯΡͶͧ
    https://gitlab.com/gitlab-org/gitlab-ci-multi-runner
    

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13. ͩͩͽ΅ֺ;ͭͼ...
    (1) git push
    (2) ϓφϕ䋚ᤈ
    (4) Deploy
    (3) Build
    

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14. Run RSpec
    • Travis CI;͡΄Ξ͜΁ .gitlab-ci.yaml ͽ戔ਧ
    image: ruby:2.3
    services:
    - "postgres:latest"
    - "redis:latest"
    variables:
    RAILS_ENV: test
    stages:
    - test
    rspec:
    stage: test
    script:
    - 'bundle install --path vendor/bundle’
    - 'bundle exec rake db:create'
    - 'bundle exec rake db:migrate'
    - 'bundle exec rspec --format=documentation spec'
    πϫЀϖΨ䋚ᤈͯΡDocker αϮЄυ
    Postgres΀Ϳϓφϕͽֵ͜DockerΘ
    厏ह䄜හ(ኮᶎ͡Ο戔ਧݢᚆ)
    ϓφϕ΄ಋ殼Ψ懿ᬿ
    

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15. Build Docker image
    • Docker αϮЄυΨ֢Ρֺ(.gitlab-ci.yaml)
    stages:
    - build
    build_docker_image_for_test:
    stage: build
    image: docker:1.10git
    script:
    - docker login -u="$DOCKER_USERNAME" -
    p="$DOCKER_PASSWORD"
    - docker build -t $DOCKER_IMAGE .
    - docker push $DOCKER_IMAGE
    only: master
    Docker ΄αϮЄυΨbuild
    master΁ϫЄυͭ͵Ο

    ᛔ㵕ϺЄϸίγϕ
    

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16. Deploy docker image
    stages:
    - build
    deploy_to_production:
    tags: [docker]
    stage: deploy
    environment: production
    script:
    - bash ./rollout.sh $DOCKER_IMAGE
    when: manual
    Docker ΄αϮЄυΨDeploy
    master΁ϫЄυͭ͵Ο

    ᛔ㵕ϺЄϸίγϕ
    

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17. Tips
    

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18. 䶅ࢧ bundle install ΅昼ͥ΀͚Ҙ
    • ೰ਧ΄ path ΨκϰϐτϲͽͣΡ
    • bundle install --path vendor/bundle ΄ςЀϤϸ:
    cache:
    key: “${CI_PROJECT_PATH}"
    untracked: true
    paths:
    - vendor/bundle
    

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19. build 奾ຎ΄ϢήαϸΨכਂ
    • artifacts 戔ਧͽᇙਧ ϢήαϸΚϢζϸύΨ

    Ϡϸϖ΁奄՞ͧͼכਂͽͣΡ
    pdf:
    script: xelatex mycvtex
    artifacts:
    paths:
    - mycvpdf
    

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20. ψκϲί΀厏ह䄜හ΅Ҙ
    • ϤϺυδμϕ Master/Owner(䰱ᴴ) Ͷͧ͢ίμψφ
    ͽ ͣΡ Secret Variables ; ͚͜戔ਧ͘͢ΠΔͯ
    

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21. docker compose΄ਧ嬝Ψֵ͚͵͚
    • Docker-in-DockerͽΚ΢Δͯ(托ͭͥ΅΀͚ͽͯw)
    image: docker:latest
    services:
    - docker:dind
    build:
    stage: build
    script:
    - docker build -t mydockerimage .
    - docker run mydockerimage /scripttoruntests
    https://docs.gitlab.com/ce/ci/docker/using_docker_build.html
    

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22. ϺЄθϸͽ Runner Ψ㵕ͭ͡͵͚
    • ϺЄθϸ΁ runner ΨύγЀϺЄϖͭͼ䋚ᤈ
    $ wget https://gitlab-ci-multi-runner-
    downloads.s3.amazonaws.com/master/binaries/
    gitlab-ci-multi-runner-darwin-amd64
    $ chmod +x gitlab-ci-multi-runner-darwin-amd64
    $ gitlab-ci-multi-runner-darwin-amd64 exec test
    https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/blob/master/docs/
    install/bleeding-edge.md
    

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23. .gitlab-ci.yaml΄LintϑЄϸΘ͘Ρ
    • 䨗͚͵ YAML Ϣήαϸ΄෈ဩ͢ྋ͚ͭ͡Ψ
    ώδϐμͯΡϑЄϸ
    

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24. GitLab.com
    • μ϶γϖ厏हͽ൉׀ͫ΢ͼ͚ΡGitLab

    (https://about.gitlab.com/)
    • public, private ϷϪυϕϷΘ僻ාͽ൉׀
    • GitLab CI ΄ Runner Θ Digital Ocean ͢僻ාͽ
    ൉׀
    

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25. Mac ͽGitLab手ͭͼΕΡ
    • Docker for Mac ف΢ͼ̵զӥ΄πϫЀϖΨ䋚ᤈ
    ͯΡͶͧ
    $ wget https://raw.githubusercontent.com/sameersbn/
    docker-gitlab/master/docker-compose.yml
    # http://qiita.com/kkanazaw/items/
    160469245fb270b1bdfd mountض΄pathΨץྋ
    $ docker-compose up
    

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26. Happy Hacking!
    

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27. ݇ᘍ揾ා
    • GitLab CI΄奧Օ
    • https://about.gitlab.com/gitlab-ci/
    • https://about.gitlab.com/2016/10/17/gitlab-ci-oohlala/
    • https://tech.drecom.co.jp/easy-ci-development-using-gitlab-ci/
    • Rails ͽ΄䌙فಋ殼
    • https://www.stefanwienert.de/blog/2015/11/07/gitlab-ci-with-docker-
    starting-guide/
    • Jenkins;΄晅͚
    • http://qiita.com/namutaka/items/5114e9d9faf953bef6a4
    • Heroku Ύ΄ Docker αϮЄυ΄ push ಋ殼
    • https://blog.codeship.com/deploying-docker-rails-app/
    

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