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GitHub Actions 2019/02/14 ikeike443 Solutions Engineer, GitHub 14-A-2 #devsumiA

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a ikeike443 Takafumi Ikeda Solutions Engineer

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2008 GitHub introduced…

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Pull Request

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ϫʔΫϑϩʔ͸ϞδϡϥʔԽ͞ΕΔ΂͖

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Actions

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Actions

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workflow "My Workflow" { on = "event" resolves = ["Action 2", "Action 3"] } action "Action 1" { uses = "user/repo@master" runs = "command" } action "Action 2" { uses = "docker://node:10-alpine" runs = "command" } action "Action 3" { needs = ["Action 1"] uses = ".github/actions/private.js" runs = "command" }

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check_run check_suite commit_comment create delete deployment deployment_status 26 available events

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project_column public pull_request pull_request_review_comment pull_request_review push repository_dispatch release
 status watch 26 available events

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GitHub Actionsͱ͸ • ίϯςφٕज़ϕʔε • ϫʔΫϑϩʔ as Code • ϫʔΫϑϩʔͷϞδϡϥʔԽɺ࠶ར༻ • Pull Requestʹଓ͘ਐԽͷ৮ഔ

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σϞ ࣮ࡍʹActionͱWorkflowΛ࡞ͬͯΈΑ͏ʂ

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Hello world

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खॱ • ActionΛ֨ೲ͢ΔϦϙδτϦΛ࡞੒ • ActionΛDockerfileͱͯ͠ఆٛ • ΤϯτϦʔϙΠϯτͱͳΔγΣϧεΫϦϓτΛఆٛ • ఆٛͨ͠ActionΛݺͼग़͢ϫʔΫϑϩʔΛఆٛ • ࣮ߦ

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ϦϙδτϦͷ༻ҙ

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Hello World Actionͷఆٛ

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ΤϯτϦʔϙΠϯτγΣϧεΫϦϓτ

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Closer look ࠓݟͨ΋ͷͷղઆΛ͔Ͷͯ

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ݱঢ়ͷ࢓༷ɺ੍ݶͳͲ • ϫʔΫϑϩʔͷ࣮ߦ࣌ؒ͸Max58෼ • ϫʔΫϑϩʔ1ͭʹ͖ͭΞΫγϣϯ͸100ݸ·Ͱݺͼग़͠Մೳ • 1ϑΝΠϧ಺ʹෳ਺ϫʔΫϑϩʔΛఆٛՄೳ͕ͩɺฒྻ࣮ߦ͞ΕΔͷ͸1Ϧ ϙ͋ͨΓ2ͭ·Ͱ • ΞΫγϣϯ͸ଞͷϫʔΫϑϩʔΛτϦΨʔͰ͖ͳ͍ • APIίʔϧ͸1ϦϙδτϦ͋ͨΓτʔλϧͰ1࣌ؒ1000ճ·Ͱ

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ݱঢ়ͷ࢓༷ɺ੍ݶͳͲ • ϓϩμΫγϣϯͷSecretΛ֨ೲ͠ͳ͍͜ͱʢϕʔλத ͸ϩάʹͦͷ··ग़·͢ʣ • Action͸DockerfileͳͷͰDockerͰͰ͖Δ͜ͱ͸͍ͨͯ ͍Ͱ͖Δ͕ɺ੍ݶ͋Γ

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ݱঢ়ͷ࢓༷ɺ੍ݶͳͲ • Action࣮ߦ؀ڥʹ͍ͭͯ • 1 vcpu, 3.75 GB RAM • ωοτϫʔΫΞΫηεՄೳ • ϑΝΠϧγεςϜ΁ͷΞΫηεՄೳ • σΟεΫεϖʔε 100GB • ϫʔΫϑϩʔ಺Ͱڞ༗ͯ͠ΞΫηεͰ͖Δ • ؀ڥม਺ͷҾ͖౉͠Մೳ • ؀ڥม਺͸ϫʔΫϑϩʔ͝ͱͷίϯςΩετͰղऍ͞ΕΔ • GitHubʹΑͬͯ༧໿͞Ε͍ͯΔ؀ڥม਺͋Γ

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ݱঢ়ͷ࢓༷ɺ੍ݶͳͲ • Action࣮ߦ؀ڥʹ͍ͭͯ • Exit status: • 0: Success: ޙଓͷAction࣮ߦ • 78: Neutral: ޙଓ͸࣮ߦ͞Εͳ͍͕ɺCheck Suite͸Success͠ಘΔ • ্هҎ֎: Failure: ॲཧετοϓɺCheck Suite΋Fail

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υΩϡϝϯτΛਵ࣌ࢀরͷ͜ͱ • ϕʔλதͷͨΊɺͲΜͲΜ௥ه͞Ε͍ͯ·͢

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EKS΁ͷσϓϩΠ ίϯςφϕʔεσϓϩΠΛ࣮ࡍʹ૊ΜͰΈΑ͏

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actions/exmaple-aws https://github.com/actions/example-aws

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ϫʔΫϑϩʔͷΠϝʔδ • ϑΟʔνϟʔϒϥϯνͷ৔߹ • Docker buildͯ͠ର৅αΠτͷDockerΠϝʔδΛ࡞੒ • ࡞ͬͨΠϝʔδΛTag͚ͮ • ΠϝʔδΛDockerϨδετϦʢECRʣʹϓογϡɺొ࿥ • ϓογϡͷલʹECR΁ϩάΠϯ͓ͯ͘͠

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ϫʔΫϑϩʔͷΠϝʔδ • Masterϒϥϯνͷ৔߹ • લड़ʹՃ͑ͯɺ • k8sͷConfigΛΞοϓσʔτ (aws eks update-kubeconfig ͢Δ) • k8sͷΫϨσϯγϟϧΛઃఆ • ECRʹ֨ೲ͞Ε͍ͯΔΠϝʔδΛɺEKS΁σϓϩΠ • σϓϩΠ͞Εͨ͜ͱͷ֬ೝ • Expose͞ΕͨIPΞυϨεΛϦετ

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࢖͏Action • DockerϏϧυɺϓογϡ • Docker Tag • ECR, EKSͷૢ࡞ • ϒϥϯνϑΟϧλ • EKS΁ͷσϓϩΠ: kubectlϦύοέʔδ൛

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ϦϙδτϦߏ੒ kubectlͷϦύοέʔδ൛ aws-iam-authenticatorΛ௥Ճ͍ͯ͠Δ WorkflowϑΝΠϧ σϓϩΠର৅ΛϏϧυ͢ΔͨΊͷDockerfile k8sͷconfig.yml σϓϩΠର৅ͷWebαΠτ

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Callback?

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Repository Dispatch • ֎͔Β೚ҙʹτϦΨʔͰ͖ΔΠϕϯτ • ௕͍δϣϒͳͲΛ֎෦Ͱ࣮ߦɺOKͳΒ͜ͷΠϕϯτΛ ൃՐɺͳͲͷ࢖͍ํ͕Մೳ

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ͦͷ΄͔ͷΠϕϯτ • gollumʢWikiʣ • Vulnerability • Projectؔ࿈ • Issue/Label/Milestoneؔ࿈ • 26छྨ͋ΔΑ

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ActionΛ࡞Δͷ͸؆୯ • جຊతʹ͸طଘͷπʔϧΛίϯςφԽ͢Δ͚ͩ • ͖Ε͍ʹ෦඼Խ͢Ε͹࠶ར༻͸͔ͳΓޮ͖΍͍͢

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ศརͳAction ͙͢ʹ໾ཱͪͦ͏ͳActionΛ঺հ

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֤छΫϥ΢υActions • GCP, AWS, Azure, Heroku, Zeit, npm • https://github.com/actions ҎԼʹ͋Γ·͢

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actions/bin • جຊతͳ΋ͷΛఏڙ • bats • curl • debug • filter • sh • shellcheck

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HTTP client • HTTPie ϥούʔ • MarketplaceͰೖखՄ

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Add an issue reference • ϒϥϯν໊͔ΒIssueΛ ୳͠ग़ͯ͠ΫϩεϦϯΫ

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All in one project • Issue/PRΛৗʹProject΁ ௥Ճ

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Delete merged branch • ϚʔδࡁΈϒϥϯν࡟আ • Probot app/ActionsͲͪΒ Ͱ΋ར༻Մೳ

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Ϧιʔε ͜ͷ΁ΜݟͯΈͯͶ

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https://github.com/actions

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GitHub Marketplace

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https://github.com/sdras/awesome-actions

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Community Forum https://github.community/t5/tag/actions/tg-p/board-id/api

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·ͱΊ GitHub Actions͕ݟΔະདྷ

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ϫʔΫϑϩʔ͸ࣗ༝ʹͳΔ • ϫʔΫϑϩʔ͸ϞδϡϥʔԽ͞Ε • OSSͱͯ͠օͰ࡞Γ্͍͛ͯ͘΋ͷʹͳΔͰ͠ΐ͏ • ιϑτ΢ΣΞ։ൃͷੈքʹ৽͍͠1ϖʔδΛ • Έͳ͞ΜͷࢀՃΛ଴͍ͬͯ·͢ʂ

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8 https://github.co.jp 1