Kubernetesの自動アップグレードについて / Upgrading GKE cluster

Transcript

1. ,VCFSOFUFTͷࣗಈΞοϓάϨʔυʹ͍ͭͯ .BLVBLF
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2. !NOVNB@
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3. ϚΫΞέʹ͓͚Δ,VCFSOFUFTར༻
4. ϚΫΞέͰͷ,VCFSOFUFTӡ༻
   
   
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   ɾίϯτϩʔϧϓϨʔϯͱϫʔΧʔϊʔυ
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   ɾϫʔΧϊʔυͷϝϯςϯφε͸ར༻ऀ APP ίϯτϩʔϧϓϨʔϯ ϫʔΧʔϊʔυ ίϯςφ APP Language Runtime Language Runtime OS ΦʔέετϨʔγϣϯΤʔδΣϯτ(kubelet) GKE
6. APP ίϯτϩʔϧϓϨʔϯ ϫʔΧʔϊʔυ ίϯςφ APP https://cloud.google.com/kubernetes-engine/docs/concepts/shared-responsibility?hl=ja Language Runtime Language Runtime OS ΦʔέετϨʔγϣϯΤʔδΣϯτ(kubelet) GKE GCP ར༻ऀ ɾج൫ΠϯϑϥετϥΫνϟͷอޢ ɾϊʔυͷΦϖϨʔςΟϯά γεςϜͷڧԽͱύονద༻ ɾΧʔωϧ಺෦ʹίϯςφݻ༗ͷڴҖΛݕग़͢Δ࢓૊Έͷߏஙͱӡ༻ ɾKubernetes ϊʔυ ίϯϙʔωϯτͷڧԽͱύονద༻ ɾίϯτϩʔϧ ϓϨʔϯͷڧԽͱύονద༻ ɾGCP࿈ܞػೳͷఏڙ ɾαϙʔτશൠ ɾίϯςφΞϓϦέʔγϣϯͷ؅ཧ ɾΞϓϦέʔγϣϯϞχλϦϯάɺΞϥʔτΠϯγσϯτରԠ ɾΫϥελ(Kubernetes)ͷΞοϓάϨʔυ ੹೚ڞ༗Ϟσϧ
7. ,VCFSOFUFTόʔδϣϯΞοϓάϨʔυ
8. ,VCFSOFUFTͷϦϦʔεαΠΫϧ
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9. όʔδϣϯ௥ै͠ͳ͍Ͱى͜Δ໰୊
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10. όʔδϣϯΞοϓάϨʔυΛࣗಈԽ͍ͨ͠
11. ,VCFSOFUFTΫϥελͷࣗಈΞοϓάϨʔυػೳ
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12. ,VCFSOFUFTΫϥελͷࣗಈΞοϓάϨʔυػೳ
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    (,&ͷࣗಈΞοϓάϨʔυͷػೳΛ࢖͍͑ͯͳ͔ͬͨɻ
13. (,&ͷࣗಈΞοϓάϨʔυͷػೳΛ࢖͍͑ͯͳ͔ͬͨ
14. (,&ͰΫϥελࣗಈΞοϓάϨʔυ࣮ࢪͰߟྀͨ͠ϙΠϯτ
15. ϦϦʔενϟϯωϧͷߪಡ
    
    ࣗಈΞοϓάϨʔυΛ࣮ࢪ͢Δ্ͰͲ͏͍͏ߋ৽ස౓Ͱ࣮ࢪ͢Δ͔બ୒ग़དྷΔɻ
    
    
    
    ɾ3BQJE
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    $IBOOFM
    ɾɾɾࣗಈΞοϓάϨʔυ͠ͳ͍ PRD STG StableΛߪಡͯ͠·͢
16. https://cloud.google.com/kubernetes-engine/docs/release-notes?hl=ja ϦϦʔενϟϯωϧͷߪಡ
    ࣗಈΞοϓάϨʔυΛ࣮ࢪ͢Δ্ͰͲ͏͍͏ߋ৽ස౓Ͱ࣮ࢪ͢Δ͔બ୒ग़དྷΔɻ
    
    
    
    ɾ3BQJE
    ɾɾɾຖि
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    ɾɾɾࣗಈΞοϓάϨʔυ͠ͳ͍
17. αʔδΞοϓάϨʔυ
    
    ݹ͍ϊʔυΛୀ໾͢Δલʹ৽͍͠ϊʔυΛىಈ͢Δ͜ͱͰαʔϏεఀࢭͷՄೳੑΛ௿ݮ͢Δػೳɻ
    αʔδ
    ΞοϓάϨʔυ͸೥݄೔͔ΒσϑΥϧτͰ༗ޮɻ
18. αʔδΞοϓάϨʔυ
    
    ݹ͍ϊʔυΛୀ໾͢Δલʹ৽͍͠ϊʔυΛىಈ͢Δ͜ͱͰαʔϏεఀࢭͷՄೳੑΛ௿ݮ͢Δػೳɻ
    αʔδ
    ΞοϓάϨʔυ͸೥݄೔͔ΒσϑΥϧτͰ༗ޮɻ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ(ୀ໾) ϊʔυ ϊʔυ ϊʔυ ϊʔυ ৽ϊʔυ௥Ճ
19. αʔδΞοϓάϨʔυ
    
    ݹ͍ϊʔυΛୀ໾͢Δલʹ৽͍͠ϊʔυΛىಈ͢Δ͜ͱͰαʔϏεఀࢭͷՄೳੑΛ௿ݮ͢Δػೳɻ
    αʔδ
    ΞοϓάϨʔυ͸೥݄೔͔ΒσϑΥϧτͰ༗ޮɻ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ৽ϊʔυ ৽ϊʔυ ϊʔυ ϊʔυ(ୀ໾) ৽ϊʔυ௥Ճ
20. 1PE%JTSVQUJPO#VEHFU
    1PEͷ࠷খͷ༗ޮঢ়ଶ΍࠷େͷແޮঢ়ଶͷ਺Λࢦఆ͢Δػೳɻ
    LVCFDUM
    ESBJO࣮ߦ࣌ʹNBY"WBJMBCMFΛઃఆ͢Δ͜ͱͰ1PEͷىಈ਺Λௐ੔Մೳɻ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ϊʔυ ৽ϊʔυ ৽ϊʔυ ϊʔυ ϊʔυ(ୀ໾) ৽ϊʔυ௥Ճ
21. 1PE%JTSVQUJPO#VEHFU
    1PEͷ࠷খͷ༗ޮঢ়ଶ΍࠷େͷແޮঢ়ଶͷ਺Λࢦఆ͢Δػೳɻ
    LVCFDUM
    ESBJO࣮ߦ࣌ʹNBY"WBJMBCMFΛઃఆ͢Δ͜ͱͰ1PEͷىಈ਺Λௐ੔Մೳɻ ɾminAvailable: গͳ͘ͱ΋༗ޮͰ͋Δ΂͖Pod਺ ɾmaxUnavailable: ࠷େແޮͰ͋ͬͯ΋Α͍Pod਺
22. 1PE%JTSVQUJPO#VEHFU
    1PEͷ࠷খͷ༗ޮঢ়ଶ΍࠷େͷແޮঢ়ଶͷ਺Λࢦఆ͢Δػೳɻ
    LVCFDUM
    ESBJO࣮ߦ࣌ʹNBY"WBJMBCMFΛઃఆ͢Δ͜ͱͰ1PEͷىಈ਺Λௐ੔Մೳɻ ϊʔυ Pod Pod Pod Pod Pod Pod
23. 1PE%JTSVQUJPO#VEHFU
    1PEͷ࠷খͷ༗ޮঢ়ଶ΍࠷େͷແޮঢ়ଶͷ਺Λࢦఆ͢Δػೳɻ
    LVCFDUM
    ESBJO࣮ߦ࣌ʹNBY"WBJMBCMFΛઃఆ͢Δ͜ͱͰ1PEͷىಈ਺Λௐ੔Մೳɻ ϊʔυ Pod Pod Pod Pod Pod Pod ୀ໾ʂ(evicted)
24. 1PE%JTSVQUJPO#VEHFU
    1PEͷ࠷খͷ༗ޮঢ়ଶ΍࠷େͷແޮঢ়ଶͷ਺Λࢦఆ͢Δػೳɻ
    LVCFDUM
    ESBJO࣮ߦ࣌ʹNBY"WBJMBCMFΛઃఆ͢Δ͜ͱͰ1PEͷىಈ਺Λௐ੔Մೳɻ ϊʔυ Pod Pod Pod Pod Pod Pod ϊʔυ(ୀ໾) Pod Pod Pod Pod Pod Pod ৽ϊʔυ Pod Pod Pod Pod Pod Pod
25. ϊʔυ Pod Pod Pod Pod Pod Pod ϊʔυ(ୀ໾) Pod Pod Pod Pod Pod Pod ৽ϊʔυ Pod maxUnavailable: ࠷େແޮͰ͋ͬͯ΋Α͍ Pod ਺ : 1 ৽ϊʔυ Pod Pod ϊʔυ(ୀ໾) Pod Pod Pod Pod Pod
26. ϊʔυ Pod Pod Pod Pod Pod Pod ϊʔυ(ୀ໾) Pod Pod Pod Pod Pod Pod ৽ϊʔυ Pod maxUnavailable: ࠷େແޮͰ͋ͬͯ΋Α͍ Pod ਺ : 1 ➝ ͪ͜ΒΛ࠾༻ͯ͠·͢ ৽ϊʔυ Pod Pod ϊʔυ(ୀ໾) Pod Pod Pod Pod Pod
27. $MPVE
    -PBECBMBODJOH
    )FBMUI
    DIFDLT
    1PEͷୀ໾࣌ʹద੾ͳλΠϛϯάͰ-#͔ΒͷϦΫΤετ͕ϧʔςΟϯά͞Εͳ͍Α͏ߟྀ͢Δඞཁ͕͋Δ https://cloud.google.com/kubernetes-engine/docs/how-to/ingress-features ɾcheckIntervalSec ϩυόϥϯαʔ͔ΒݟͨPod΁ͷϔϧενΣοΫִؒ σϑΥϧτ͕5ඵ ɾunhealthyThreshold ҟৗͱΈͳ͢ճ਺ σϑΥϧτ͕2 ※beta൛ͷॳظࠒͩͱ͜ͷลΓͷ൓ө͕͏·͍͔͘ͳ͘೰Μͩ
28. ೥݄ࠒ
    ຊ൪ಋೖ
    ݱࡏͷόʔδϣϯ HLF ͰαʔϏεఀࢭͳ͠ͰͷࣗಈΞοϓάϨʔυ࣮੷Λ࡞Εͨ
    
    TUBCMF
    SFMFBTF
    BWBJMBCMF
    
    TUBCMF
    SFMFBTF
    
    EFGBVMU
    
    NBTUFS
    VQHSBEF
    
    OPEF
    VQHSBEF