開発者(個人)のためのJenkins 運用編

by Yasuhiroki

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։ൃऀ(ݸਓ)ͷͨΊͷ Jenkins ӡ༻ฤ @yasuhiroki

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@yasuhiroki

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https://certiﬁcates.cloudbees.com/10203903

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։ൃऀ(ݸਓ)ͷͨΊͷJenkins

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ࢲͷࢲʹΑΔࢲͷͨΊͷJenkins • ผʹࣗ෼Ͱ΍ͬͯ΋ྑ͍Μ͚ͩͲɺ  ୅ΘΓʹ΍ͬͯ͘ΕΔͳΒॿ͔Δ࡞ۀ • ۀ຿ͱͯࣗ͠ಈԽ͢Δ΄ͲͰ΋ͳ͍͚Ͳɺ  ࣗಈԽͤͣʹ͸͍ΒΕͳ͔ͬͨ࡞ۀ • ༡ͼ

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޾ͤͳੜ׆ ࠓ೔͸ૉ਺͔ɺφϕΞπ͔Λڭ͑ͯ͘ΕΔࣥࣄ

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ࣥࣄޏ༻ܭը

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ࣥࣄ͸࢖͍ࣺͯ

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ඞཁͳ࣌ʹޏ͍  ඞཁͷͳ͍࣌͸ղޏ͢Δ

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Jenkinsͷߏங

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ࢲͷͨΊͷJenkins͔ͩΒ  ࢲͷ޷͖ͳΑ͏ʹߏங͢Δ

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DockerͰJenkinsΛىಈ͢Δ • Docker • https://hub.docker.com/_/jenkins/ Ͱ͸ͳ͘ • https://hub.docker.com/r/jenkinsci/jenkins/ Ͱ΋ͳ͘ • https://hub.docker.com/r/jenkins/jenkins/ ͚ͩͲ • https://store.docker.com/images/jenkins ΋͋Δ

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Jenkinsͷߏங͸GitHubͰ؅ཧ • docker-compose • docker-compose.yml Λ GitHub Ͱ؅ཧ

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ΧελϚΠζ͸DockerﬁleͰ • Dockerﬁle • ࢲͷͨΊͷJenkinsͷॳظߏங • ࣗ෼༻ͷ Docker ΠϝʔδΛ DockerHub ʹ push ͯ͠΋ྑ͍ • ࣗ෼ͷࣥࣄ͕ଞॴͰಇ͍ͯ΋ࣧౄ͠ͳ͍ਓʹݶΔ • ͋Β͔͡Ί༻ҙ͞Ε͍ͯΔػೳΛ࢖͑͹ɺ  DockerΠϝʔδΛ༻ҙ͠ͳͯ͘΋͋Δఔ౓ಈతʹߏஙͰ͖Δ

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*.override • ެࣜJenkins Docker ͷػೳ • conﬁg.xml.override ͳͲͱ༻ҙͨ͠ϑΝΠϧͰɺίϯς φىಈ࣌ʹݩͷϑΝΠϧʹ্ॻ͖͢Δ • ڧͯ͘χϡʔήʔϜͰ͖Δ

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install-plugin.sh • ެࣜJenkins Docker ͷػೳ • Πϯετʔϧ͍ͨ͠ plugin ͷҰཡΛॻ͍ͨϑΝΠϧΛ৯ ΘͤΔͱɺίϯςφىಈ࣌ʹ ґଘ͢Δ plugin ΋ؚΊͯΠ ϯετʔϧͯ͘͠ΕΔ • όʔδϣϯࢦఆ΋Մೳ

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-Djenkins.install.runSetupWizard=false • Jenkinsىಈ࣌ʹ౉͢JAVA_OPT • ॳճىಈ࣌ʹग़ͯ͘ΔɺΦεεϝϓϥάΠϯͷΠϯετʔ ϧ΍ηΩϡϦςΟઃఆͳͲΛεΩοϓͰ͖Δ • ࢲͷࢲʹΑΔࢲͷͨΊͷJenkinsʹ͸ෆཁͳͷͰઃఆ͢Δ

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Jenkinsδϣϒͷ؅ཧ

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ࢲͷͨΊͷJenkins͔ͩΒ  ࢲ͕ϝϯςͰ͖Ε͹͍͍

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GitHub Organization Plugin • Multibranch Pipeline ͷ GitHub ಛԽ൛ • ࣗ෼ͷΞΧ΢ϯτΛࢦఆ͢Δ͚ͩͰɺJenkinsﬁle Λ࣋ͭ ϦϙδτϦΛݕग़ͯ͠উखʹϏϧυͯ͘͠ΕΔ • ࠓճ͸ https://github.com/yasuhiroki/myJenkinsﬁle ͚ͩ Λݕग़͢ΔΑ͏ʹઃఆ

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δϣϒ = ϒϥϯν • jobs/* ͱ͍͏໊લͷϒϥϯν͕ɺJenkinsͷδϣϒʹͳΔ Α͏ઃఆ͢Δ • jobs/sendo, jobs/today-is ͳͲɺδϣϒຖʹϒϥϯνΛ࡞ Δ

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git worktree ίϚϯυ • δϣϒ͝ͱʹ͍͍ͪͪ checkout ͢Δͷ͸໘౗ͳͷͰɺ  git worktree ίϚϯυΛར༻͢Δ • git worktree add jobs/today-is jobs/today-is ͱ͢Δͱɺ  jobs/today-is σΟϨΫτϦʹ jobs/today-is ϒϥϯν͕ νΣοΫΞ΢τ͞ΕΔ • ϒϥϯνͷ਺͚ͩσΟϨΫτϦΛ࡞ͬͯ checkout ͢Ε͹ɺ  δϣϒͷઃఆ͕ू·ͬͨ jobs σΟϨΫτϦͷͰ͖͕͋Γ

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Jenkinsﬁle • ࢲͷͨΊͷࣥࣄΛޏ͏ʹ͸ Jenkinsﬁle ͕ඞਢ • https://jenkins.io/doc/book/pipeline/syntax/ ͸ࣥࣄޏ༻ ϚχϡΞϧ

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ϊʔυͷ؅ཧ

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ϊʔυͷ؅ཧ͸2ύλʔϯ • Docker Pipeline plugin • jenkinsci/jnlp-slave Docker Πϝʔδ

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Docker Pipeline plugin • JenkinsﬁleͰϏϧυΛ࣮ߦ͍ͨ͠ docker image Λࢦఆ͢ Δ • Jenkinsίϯςφͱಉ͡ docker.sock Λ࢖͏Α͏ઃఆ͢Ε ͹ɺJenkinsίϯςφࣗମ΋৮ΕΔ • ༡ͼϙΠϯτ • ྫɿࣥࣄةػҰ൅ήʔϜ

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jenkinsci/jnlp-slave • ϊʔυ༻ίϯςφΛىಈ͠JenkinsʹJNLPͰ઀ଓ͢Δ • ࣥࣄΛαϙʔτ͢ΔϝΠυతଘࡏ • େྔʹ༻ҙͯ͠ϝΠυୂΛ࡞Δͷ͕Φεεϝ • δϣϒͷϏϧυ͸Docker PipelineͰࣄ଍ΓΔͷͰɺ  ϝΠυ͞Μͱ༡Ϳ͜ͱʹूத͢Δ͜ͱ

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jenkinsci/jnlp-slave • *.override ͷػೳΛ࢖ͬͯɺࣄલʹϊʔυͷ৘ใΛ Jenkinsʹ༻ҙ͓ͯ͘͠ͱॳظߏஙΛ΄΅ࣗಈԽͰ͖Δ • secret τʔΫϯ͸Ұ౓࡞ΒΕͨΒ JENKINS_HOME ҎԼ Λ࡞Γ௚͞ͳ͍ݶΓಉ͡ͳͷͰࣗಈԽͰ͖Δ • ॳճ͚ͩ͸खಈͰొ࿥͕ඞཁ • groovy ͰΰϦΰϦ΍Ε͹׬શࣗಈԽͰ͖Δؾ͕͢Δ

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·ͱΊ

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JenkinsΛͰ͖Δ͚ͩImmutableͯ͠Έͨ • DockerͱGitHubͱJenkinsﬁleͰ͋Δఔ౓ImmutableʹͰ͖Δ • GroovyεΫϦϓτͰΰϦΰϦ͠ͳͯ͘΋ɺ  Chef ΍ Ansible ͰΰϦΰϦ͠ͳͯ͘΋ɺ  ΦϨΦϨεΫϦϓτͰΰϦΰϦ͠ͳͯ͘΋ɺ  ͋Δఔ౓ɺ࠶ߏஙՄೳͳJenkins؀ڥ͕खʹೖΔ  ɹ˞ ͨͩ͠ Docker ͷ஌͕ࣝඞཁ • Ͱ͖Δ͚ͩJenkinsຊମͷઃఆΛݮΒ͢ͷ͕େࣄ

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FIN