dynamic-environment-setup-and-teardown-with-gitlab-and-k8s

「JX Press Tech Talk #backend 速報サービスを支えるバックエンドの技術」で発表した『GitLabとKubernetesで作る自動で起動・停止できるブランチ別環境』の資料です

https://jxpress.connpass.com/event/210867/

Transcript

1. GitLabͱKubernetesͰ࡞Δ ࣗಈͰىಈɾఀࢭͰ͖Δϒϥϯνผ؀ڥ SRE ฏ੉ୡ໵
2. Who am I? ฏ੉ ୡ໵(Tatsuya Hirase ) ◦ @TatchNicola s ◦ SR E ◦ Ϊλʔ/ࣗసं/֎ࠃޠ(ӳޠͱதࠃޠ͕ͪΐͬͱͰ͖Δ)
3. 0, ͸͡Ίʹ • GitLab/KubernetesΛ૊Έ߹ΘͤͨσϓϩΠઓུͷ͸ͳ͠ • ߏ੒ਤΛݩʹղઆ͠·͢ ◦ ࣌ؒͷ౎߹্σϞ͸͋Γ·ͤΜ ◦ αϯϓϧίʔυ͸ޙ೔ϒϩάͰʂ • AWSɺKubernetesͷ༻ޠɾΤίγεςϜͷ஌͕ࣝલఏ
4. Agenda ࠔ͍ͬͯͨ͜ͱ Ͳ͏΍ͬͯղܾ͔ͨ͠ ·ͱΊ 1, 2, 3,
5. 1,ࠔ͍ͬͯͨ͜ͱ ෳ਺ͷϓϩμΫτͱͨ͘͞ΜͷECSαʔϏε • : SNSͳͲ͔Βࡂ֐౳ͷ৘ใΛऩू/෼ੳ/഑৴ • : ѹ౗తͳ଎ใੑ͕ಛ௃ͷχϡʔεΞϓϦ • ϓϩμΫτؒͰσʔλ΍APIΛ༥௨͋͠͏ • ALB + ECS + (ΞϓϦʹ߹ͬͨӬଓԽ૚)͕ఆ൪ͷߏ੒
6. 1,ࠔ͍ͬͯͨ͜ͱ ʮ։ൃ؀ڥ͍·࢖ͬͯ΋ྑ͍Ͱ͔͢ʁʯ
7. 1,ࠔ͍ͬͯͨ͜ͱ ͋Δ͋Δʁ։ൃ؀ڥͷॱ൪଴ͪ • ϩʔΧϧͰ֬ೝ͠ʹ͍͘΋ͷ ◦ Ϋϥ΢υݻ༗ͷػೳ(e.g. Amazon SQS, Firestore ) ◦ ݖݶͷ֬ೝ(ඞཁͳIAM࣋ͬͯΔ͔ʁ ) ◦ ґଘ͢Δɾ͞ΕͯΔϚΠΫϩαʔϏε(docker-composeͰ...? ) • ʮͪΐͬͱݟͯ΄͍͠ʯʮͪΐͬͱAPIୟ͍ͯཉ͍͠ʯ ◦ ։ൃऀ <-> σβΠφʔɺPd M ◦ ϑϩϯτ <-> όοΫΤϯυ ◦ GraphQL BFF <-> REST API
8. 1,ࠔ͍ͬͯͨ͜ͱ • Merge Request(GitHubͰ͍͏Pull Request)͝ͱʹ
 ࣗಈͰ؀ڥͱURL͕෷͍ग़͞ΕΔ
 • Merge Request͕ด͡ΒΕͨΒɺͦͷ؀ڥ΋ด͡ΒΕΔ
 Ͳ͏͢Ε͹଴ͪΛͳͤ͘Δʁ
9. 1,ࠔ͍ͬͯͨ͜ͱ • Merge Request(GitHubͰ͍͏Pull Request)͝ͱʹ
 ࣗಈͰ؀ڥͱURL͕෷͍ग़͞ΕΔ
 -> Istio • Merge Request͕ด͡ΒΕͨΒɺͦͷ؀ڥ΋ด͡ΒΕΔ
 -> Helm & GitLab CI Ͳ͏͢Ε͹଴ͪΛͳͤ͘Δʁ
10. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠
11. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠ ϦϙδτϦઓུ • ΞϓϦέʔγϣϯϦϙδτϦ : ◦ CIͰ͸lintɺςετɺίϯςφΠϝʔδͷ࡞੒·ͰΛ୲౰͢Δ • ϚχϑΣετϦϙδτϦ : ◦ k8sϚχϑΣετ(=HelmςϯϓϨʔτ)Λ؅ཧ ◦ ։ൃ൛ΫϥελͷτϐοΫϒϥϯνผ؀ڥ΁ͷσϓϩΠ ◦ ArgoCD͕͜ͷϦϙδτϦͷmainϒϥϯνΛΫϥελʹಉظ͢Δ CIఆ͕ٛγϯϓϧʹͳΓɺςϯϓϨʔτͱͯ͠ڞ௨ԽͰ͖ͨ
12. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠ • Isti o ◦ τϥϑΟοΫ੍ޚΛݸผͷϦϙδτϦ΁ҕৡ͠΍͍͢ ◦ ʮALB+ECSʯorʮEKS+IngressʯͩͱதԝूݖʹͳΓ͕ͪ • Hel m ◦ ຊ൪؀ڥɾ։ൃ؀ڥɾτϐοΫϒϥϯνผ؀ڥͷࠩ෼Λٵऩ ◦ 2छྨͷσϓϩΠઓུͷ઀ணࡎ(ޙड़ ) • GitLab C I ◦ “Environments” ʹ؀ڥΛରԠͤͯ͞ಠཱσϓϩΠΛ࣮ݱ ◦ ؀ڥͷ࡞੒ɾഁغͷͨΊͷτϦΨʔఆ͕͍͍ٛײ͡ʹͰ͖Δ
13. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠
14. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠
15. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠
16. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠
17. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠
18. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠ CIOps͔GitOps͔ʁ྆ํͩʂ
19. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠ CIOps͔GitOps͔ʁ྆ํͩʂ
20. 2,Ͳ͏΍ͬͯղܾ͔ͨ͠ CIOps͔GitOps͔ʁ྆ํͩʂ • ݕূ޲͚؀ڥʹ͸ɺΨγΨγॻ͍ͯσϓϩΠɾಈ࡞֬ೝ͍ͨ͠ ◦ ֤τϐοΫϒϥϯνʹରԠ͢Δ؀ڥʹ GitLab CIͰσϓϩΠ(=CIOps) • ຊ൪؀ڥ͸όʔδϣϯ؅ཧ΋ηΩϡϦςΟ΋͔ͬ͠Γ͍ͨ͠ ◦ ։ൃ؀ڥΫϥελ͓Αͼຊ൪Ϋϥελͷmainϒϥϯν؀ڥ͸ɺ ArgoCDͰσϓϩΠ(=GitOps) ໨త͕ҧ͏؀ڥʹ͸ɺҧ͏ख๏ΛͱΔ΂͠ʂ
21. 3, ·ͱΊ • ෳ਺ͷ؀ڥΛಈతʹੜ੒ɾഁغͰ͖Δ࢓૊ΈΛͭͬͨ͘ ◦ ؀ڥͷॱ൪଴͕ͪͳ͘ͳͬͯ։ൃ଎౓U P ◦ ϦϞʔτϫʔΫͰ΋ʮͪΐͬͱίϨݟͯ/ୟ͍ͯʯ͕༰қʹ • ϦϙδτϦΛࡉ͔͘෼͚ɺCIͱCDΛ෼཭͢Δ͜ͱͰؔ৺͝ͱΛখ͘͞อͭ • GitOpsͱCIOps͸ೋऀ୒Ұ͡Όͳ͍ ◦ ໨తʹ͋Θͤͯ྆ํ࢖͏͜ͱ΋Ͱ͖Δ ◦ ઀ணࡎͱͯ͠ͷHelm
22. 3, Appendix IstioΛ࢖ͬͯʮFast, Dependency-Agnostic, Isolatedʯͳ։ൃମݧΛ࣮ݱͨ͠࿩ https://en-jp.wantedly.com/companies/wantedly/post_articles/241506 KubernetesΛ࠷େݶʹ׆͔ͨ͢ΊͷGitOpsೖ໳ https://speakerdeck.com/amaya382/kuberneteswozui-da-xian-nihuo-kasutamefalsegitopsru-men Guide to GitOp s https://www.weave.works/technologies/gitops/ GitLab ެࣜDo c https://docs.gitlab.com/ee/ci/environments/ https://docs.gitlab.com/ee/user/project/clusters/add_remove_clusters.html
23. ThankYou!