Kubernetes を利用したデプロイ自動化基盤

1. Kubernetes Λ࢖ͬͨ σϓϩΠࣗಈԽج൫ @A(izu)LT ձ௡ฤ 0x02
2. $ whoami • ੨໦ଠ࿠ (@ktr_0731) • ρ s123 • Web • STEINS;GATEɺڹ͚ʂϢʔϑΥχΞϜ
3. ؀ڥ • ਓ਺͕͋·Γଟ͘ͳ͍ձࣾ • WebɺαʔόɺϞόΠϧ͝ͱʹϦϙδτϦ͕ ෼͔Ε͍ͯΔ • खಈϏϧυɾσϓϩΠ
4. ؀ڥ • ਓ਺͕͋·Γଟ͘ͳ͍ձࣾ • WebɺαʔόɺϞόΠϧ͝ͱʹϦϙδτϦ͕ ෼͔Ε͍ͯΔ • खಈϏϧυɾσϓϩΠ
5. ؀ڥ • ਓ਺͕͋·Γଟ͘ͳ͍ձࣾ • WebɺαʔόɺϞόΠϧ͝ͱʹϦϙδτϦ͕ ෼͔Ε͍ͯΔ • खಈσϓϩΠ
6. ςετ؀ڥ΁ͷσϓϩΠ ʹ͕͔͔࣌ؒΔ
7. ςετ؀ڥ΁ͷσϓϩΠ ʹ͕͔͔࣌ؒΔ ↓ ࣗಈԽͷඞཁੑ
8. ཁૉ • Slack Bot • CI αʔό • Docker • Kubernetes
9. Docker • (େࡶ೺ʹ͍͏ͱ) ؀ڥΛίϯςφԽ͢Δٕज़ • Docker ΠϝʔδʹΞϓϦέʔγϣϯΛೖΕͯ ଞʹґଘΛٴ΅ͣ͞ʹಈ͔ͤΔ • Immutable Infrastructure
10. • a.k.a. k8s • Docker ίϯςφͷΦʔέετϨʔγϣϯπʔϧ • ΫϥελϦϯά • ίϯςφ܈ͷىಈɺఀࢭɺϨϓϦέʔγϣϯ
11. • 1ͭҎ্ͷ Docker Πϝʔδ͔Β Pod Λ࡞੒ • ֤ Node ʹ෼ࢄͯ͠഑ஔ
12. • namespace Ͱ؀ڥΛ෼͚Δ͜ͱ͕Ͱ͖Δ • Ͳͷ؀ڥʹσϓϩΠ͢Δ͔ߟ͑Δඞཁ͕ͳ͍
13. • namespace Ͱ؀ڥΛ෼͚Δ͜ͱ͕Ͱ͖Δ • Ͳͷ؀ڥʹσϓϩΠ͢Δ͔ߟ͑Δඞཁ͕ͳ͍ • Ͳ͜Ͱಈ͍͍ͯΔ͔ߟ͑ͳͯ͘ྑ͍
14. • namespace Ͱ؀ڥΛ෼͚Δ͜ͱ͕Ͱ͖Δ • Ͳͷ؀ڥʹσϓϩΠ͢Δ͔ߟ͑Δඞཁ͕ͳ͍ • Ͳ͜Ͱಈ͍͍ͯΔ͔ߟ͑ͳͯ͘ྑ͍ • Ͳ͏ಈ͍͍ͯΔ͔͚ͩߟ͑Ε͹ྑ͍
15. αʔϏεͷެ։ apiVersion: v1 kind: Service metadata: name: sample-server labels: name: sample-server spec: type: LoadBalancer ports: - port: 80 protocol: TCP targetPort: 8080 selector: name: sample-server
16. αʔϏεͷެ։ • type=LoadBalancer Ͱ LB ͕࡞੒͞ΕɺΞϓ Ϧέʔγϣϯ͕ެ։͞ΕΔ • AWS ͳͲͷαϙʔτ͞ΕͨҰ෦ͷΈ • kubernetes/ingress
17. σϓϩΠʹඞཁͳઃఆϑΝΠϧ • service.yaml (͖ͬ͞ͷઃఆ) • deployment.yaml • ϨϓϦΧ਺ͷࢦఆ • Pod ͷߏ੒ͷهड़
18. $ kubectl create -n test -f service.yaml $ kubectl create -n test -f deployment.yaml
19. ཁૉ • Slack Bot • CI αʔό • Docker • Kubernetes
20. Slack Bot • ChatOps • ୭Ͱ΋ςετ؀ڥʹσϓϩΠ͕Ͱ͖Δ
22. Ұ࿈ͷྲྀΕ • Bot ʹσϓϩΠΛ఻͑Δ • CI ͕σϓϩΠϞʔυͰಈ͘ • CI ্Ͱ Kubernetes ΁ͷσϓϩΠεΫϦϓτ Λ࣮ߦ • σϓϩΠ׬ྃ
23. Ұ࿈ͷྲྀΕ • Bot ʹσϓϩΠΛ఻͑Δ • CI ͕σϓϩΠϞʔυͰಈ͘ • CI ্Ͱ Kubernetes ΁ͷσϓϩΠεΫϦϓτ Λ࣮ߦ • σϓϩΠ׬ྃ
24. ՝୊ • ݱࡏ͸ςετ؀ڥͷΈͷ࢖༻ • ͍ͣΕϓϩμΫγϣϯ؀ڥͰ΋࢖͍͍ͨ • ஌ݟ͕ཷ·͍ͬͯͳ͍ • k8s ͷجຊ֓೦͸஌Δඞཁ͕͋Δ
25. ·ͱΊ • Kubernetes • ෳ਺ͷಠཱͨ͠؀ڥΛ࡞੒Ͱ͖Δ • Ͳ͜Ͱಈ͍͍ͯΔ͔Λߟ͑ͣʹࡁΉ • k8s ͰσϓϩΠ͕ࣗಈͰͰ͖ΔΑ͏ʹͳͬͨ
26. ࢀߟ • https://speakerdeck.com/koudaiii/number- devsumie • Wantedly TechBook #2
27. Thanks for your attention!