Canary Deployments

Transcript

1. Canary Deployments
   !
   Move Fast, Fail Fast (and Small)
   Sep / 26 / 2016
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2. AboutMe
   @yyoshiki41
   Yoshiki Nakagawa
   Infrastructure Engineer, pairs Division
   Tech
   » Golang
   » Middleware, AWS
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3. What is the canary
   server ?
   By 4028mdk09 (Own work) [CC BY-SA 3.0], via Wikimedia Commons
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4. Canary Server
   tl;dr
   σϓϩΠ΍ϓϩϏδϣχϯάΛ͍͖ͳΓ
   ϓϩμΫγϣϯ؀ڥͷશମͰ͸ͳ͘ɺઌ
   ߦͯ͠Ұ෦෼ʹରͯ͠ߦ͍ɺ
   ͜Ε͕దԠ͞Εͨ΋ͷΛʮΧφϦΞαʔ
   όʯͱݺͿɻ
   Ұ෦෼ͷΫϥελʹΑΔݕূͰɺࣦഊ࣌
   ͷμϝʔδΛগͳ͘͢Δߟ͑ํɻ
   ϑΟʔυόοΫΛ͍ͪૣ͘ड͚औΕΔɻ
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5. ୸߭ͰͷಟΨεݕ஌ʹɺΧφϦΞ͕࢖
   ΘΕͨ͜ͱʹ༝དྷ͢Δɻ
   ͍ΘΏΔ୸߭ͷΧφϦΞ͸ɺ୸߭ʹ͓
   ͍ͯ͠͹͠͹ൃੜ͢Δϝλϯ΍ҰࢎԽ
   ୸ૉͱ͍ͬͨ஠ଉΨε΍ಟΨεૣظൃ
   ݟͷͨΊͷܯใͱͯ͠࢖༻͞Εͨɻຊ
   छ͸ͭͶʹ͍͑ͣͬͯ͞ΔͷͰɺҟৗൃ
   ੜʹઌۦ͚·ͣ͸໐͖੠͕ࢭΉɻͭ·
   Γةݥͷ࡯஌Λ໨ͱࣖͰ֬ೝͰ͖Δॴ
   ͕ॏๅ͞ΕɺಟΨεݕ஌ʹ༻͍ΒΕ
   ͨɻ
   wikipedia ΑΓ
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6. Use Cases
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7. Application
   » มߋͨ͠ΞϓϦέʔγϣϯίʔυΛຊ൪σϓϩΠͯ͠ݕূ͍ͨ͠
   » ৽ػೳͷ૝ఆ͍ͯ͠ͳ͍όάΛ࠷খݶʹ๷͍͗ͨ / ෛՙΛݕূ͍ͨ͠
   Infra
   » ৽͍͠ϛυϧ΢ΣΞΛࢼ͍ͨ͠
   » ϛυϧ΢ΣΞͷϓϩϏδϣχϯάมߋલޙͷมԽΛݕূ͍ͨ͠
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8. Use Cases in pairs
   Ansible commands!
   $ ansible-playbook -i hosts/pairs-jp/prod --limit web-canary playbook_pairs/delivery.yml --extra-vars="pkg_dir=v160101010101-10f29c9"
   That's all!
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9. Use Cases in Netflix
   σϓϩΠαΠΫϧʹΧφϦΞΫϥελ΁ͷσϓϩΠؚ͕·Ε͓ͯΓɺ
   ϨϙʔςΟϯά(Canary analysis report) => શମެ։͢Δ͔൱͔ͷδϟ
   οδ (Canary Score)
   ·Ͱ͕ࣗಈԽ͞Ε͍ͯ·͢ɻ
   ਺ඦ୆ͱ͍͏Α͏ͳن໛Λӡ༻͍ͯ͘͠͏͑Ͱɺ
   શ୆ࢮ๢͸ઈରʹආ͚ͳ͚Ε͹ͳΒͳ͍͜ͱΛߟ͑ΔͱࣗવͳྲྀΕɻ
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10. Development &
    Deployment Flow
    ެࣜϒϩά
    ʮDeploying the Netflix APIʯ
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11. Containers
    Containerͱͷ૬ੑ͕ྑ͍ͷͰɺ
    Container as a service΍ɺCI/CDαʔ
    Ϗεʹ૊Έࠐ·Ε͍ͯΔ΋ͷ΋ଟ͍ɻ
    e.g.) Kubernetes
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12. Caution
    ޓ׵ΛऔΕ͍ͯͳ͍΋ͷ͸ɺΧφϦΞαʔό΁ͷσϓϩΠ͕ग़དྷͳ͍ɻ
    e.g.) ৽͍͠APIϦΫΤετΛ౤͛ΔΫϥΠΞϯτଆͷίʔυ΋ؚΉ !
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13. Others
    ຊ൪؀ڥ(ಉ౳)ͰͷݕূΛߦ͍͍ͨ৔߹ɺ
    ΧφϦΞαʔόͰ͸ͳ͘γϟυʔϓϩΩγΛ༻͍Δख๏΋ϝδϟʔɻ
    e.g.) cookpad/Kage
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14. Move Fast, Fail Fast (and Small)
    ୸߭ (ຊ൪؀ڥ) ʹ͸ɺةݥ͕͍ͬͺ͍Ͱ͢ɻ
    શ໓Λආ͚Δҝʹ΋ɺΧφϦΞͷॿ͚ΛआΓ·͠ΐ͏ !
    (΋ͪΖΜɺΧφϦΞ΋ࢮͳͤͳ͍͜ͱ͕ϕετͰ͕͢ɻ)
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