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Kubernetes を利用したデプロイ自動化基盤
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ktr
May 20, 2017
Technology
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Kubernetes を利用したデプロイ自動化基盤
ktr
May 20, 2017
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Transcript
Kubernetes Λͬͨ σϓϩΠࣗಈԽج൫ @A(izu)LT ձฤ 0x02
$ whoami • ੨ଠ (@ktr_0731) • ρ s123 • Web
• STEINS;GATEɺڹ͚ʂϢʔϑΥχΞϜ
ڥ • ਓ͕͋·Γଟ͘ͳ͍ձࣾ • WebɺαʔόɺϞόΠϧ͝ͱʹϦϙδτϦ͕ ͔Ε͍ͯΔ • खಈϏϧυɾσϓϩΠ
ڥ • ਓ͕͋·Γଟ͘ͳ͍ձࣾ • WebɺαʔόɺϞόΠϧ͝ͱʹϦϙδτϦ͕ ͔Ε͍ͯΔ • खಈϏϧυɾσϓϩΠ
ڥ • ਓ͕͋·Γଟ͘ͳ͍ձࣾ • WebɺαʔόɺϞόΠϧ͝ͱʹϦϙδτϦ͕ ͔Ε͍ͯΔ • खಈσϓϩΠ
ςετڥͷσϓϩΠ ʹ͕͔͔࣌ؒΔ
ςετڥͷσϓϩΠ ʹ͕͔͔࣌ؒΔ ↓ ࣗಈԽͷඞཁੑ
ཁૉ • Slack Bot • CI αʔό • Docker •
Kubernetes
Docker • (େࡶʹ͍͏ͱ) ڥΛίϯςφԽ͢Δٕज़ • Docker ΠϝʔδʹΞϓϦέʔγϣϯΛೖΕͯ ଞʹґଘΛٴ΅ͣ͞ʹಈ͔ͤΔ • Immutable
Infrastructure
• a.k.a. k8s • Docker ίϯςφͷΦʔέετϨʔγϣϯπʔϧ • ΫϥελϦϯά • ίϯςφ܈ͷىಈɺఀࢭɺϨϓϦέʔγϣϯ
• 1ͭҎ্ͷ Docker Πϝʔδ͔Β Pod Λ࡞ • ֤ Node ʹࢄͯ͠ஔ
• namespace ͰڥΛ͚Δ͜ͱ͕Ͱ͖Δ • ͲͷڥʹσϓϩΠ͢Δ͔ߟ͑Δඞཁ͕ͳ͍
• namespace ͰڥΛ͚Δ͜ͱ͕Ͱ͖Δ • ͲͷڥʹσϓϩΠ͢Δ͔ߟ͑Δඞཁ͕ͳ͍ • Ͳ͜Ͱಈ͍͍ͯΔ͔ߟ͑ͳͯ͘ྑ͍
• namespace ͰڥΛ͚Δ͜ͱ͕Ͱ͖Δ • ͲͷڥʹσϓϩΠ͢Δ͔ߟ͑Δඞཁ͕ͳ͍ • Ͳ͜Ͱಈ͍͍ͯΔ͔ߟ͑ͳͯ͘ྑ͍ • Ͳ͏ಈ͍͍ͯΔ͔͚ͩߟ͑Εྑ͍
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
αʔϏεͷެ։ • type=LoadBalancer Ͱ LB ͕࡞͞ΕɺΞϓ Ϧέʔγϣϯ͕ެ։͞ΕΔ • AWS ͳͲͷαϙʔτ͞ΕͨҰ෦ͷΈ
• kubernetes/ingress
σϓϩΠʹඞཁͳઃఆϑΝΠϧ • service.yaml (͖ͬ͞ͷઃఆ) • deployment.yaml • ϨϓϦΧͷࢦఆ • Pod
ͷߏͷهड़
$ kubectl create -n test -f service.yaml $ kubectl create
-n test -f deployment.yaml
ཁૉ • Slack Bot • CI αʔό • Docker •
Kubernetes
Slack Bot • ChatOps • ୭ͰςετڥʹσϓϩΠ͕Ͱ͖Δ
None
Ұ࿈ͷྲྀΕ • Bot ʹσϓϩΠΛ͑Δ • CI ͕σϓϩΠϞʔυͰಈ͘ • CI ্Ͱ
Kubernetes ͷσϓϩΠεΫϦϓτ Λ࣮ߦ • σϓϩΠྃ
Ұ࿈ͷྲྀΕ • Bot ʹσϓϩΠΛ͑Δ • CI ͕σϓϩΠϞʔυͰಈ͘ • CI ্Ͱ
Kubernetes ͷσϓϩΠεΫϦϓτ Λ࣮ߦ • σϓϩΠྃ
՝ • ݱࡏςετڥͷΈͷ༻ • ͍ͣΕϓϩμΫγϣϯڥͰ͍͍ͨ • ݟ͕ཷ·͍ͬͯͳ͍ • k8s ͷجຊ֓೦Δඞཁ͕͋Δ
·ͱΊ • Kubernetes • ෳͷಠཱͨ͠ڥΛ࡞Ͱ͖Δ • Ͳ͜Ͱಈ͍͍ͯΔ͔Λߟ͑ͣʹࡁΉ • k8s ͰσϓϩΠ͕ࣗಈͰͰ͖ΔΑ͏ʹͳͬͨ
ࢀߟ • https://speakerdeck.com/koudaiii/number- devsumie • Wantedly TechBook #2
Thanks for your attention!