Kubernetes x PaaS – コンテナアプリケーションのNoOpsへの挑戦 / Kubernetes x PaaS – Challenging NoOps for Container Applications

Presentation Slides for Breakout session at Japan Container Day 2018.04
https://containerdays.jp/v1804/
関連記事: https://thinkit.co.jp/article/14030
Date: 2018/04/19

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Transcript

1. 4 0 .10 . 4 1 2 0 10 .0
2. D @yokawasa / https://github.com/yokawasa C :A // 4 V 2 4 4 2 4 e01 4
4. &')/cHfZb<lBJLmN   8hfZRF?   ]O  _`\X= fZMGa • &')/fZ:UjAS? • iEdTfZU> 
   9 KIU>Y LeP   • ^Qhg[   → fZVbg[nSRE → ,2#6&15g[nDev "5*06%6 $6+';WQhRF?
   4'.5' (!/CD?
   k$6+'4-3 CD 7@
5. žSelf Healing žIn-Flight Renewing žAdaptive Scale
6. ž  
       ž S O ž ž ž ž ž ž Self Healing Photo on oemupdate.com
7. ž 
     ž O ž ž ž ž In-Flight Renewing https://www.flickr.com/photos/usnavy/8019591466/
8. ž    
    ž C ž C ž ž ž W E Adaptive Scale
10. https://www.slideshare.net/hiromasaoka/noops-88082246
13. • Phase = Pending | Running | Succeeded | Failed | Unknown • Probe: • Liveness probe:  
      • Readiness probe RestartPolicy= Always| OnFailure | Never https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/ https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/ https://kubernetes.io/docs/user-guide/walkthrough/k8s201/ : Pod with an HTTP health check
14. DeploymentReplicaSet;2
    ! <6"%$#? Pod7 5)/,Pod:1  DeploymentReplicaSet9-
    ReplicaSetPod 3+0(Replica0).89-';2 Pod&"%07*(Pod:1
    4 *(Pod>=  Deployment ReplicaSet Pod A Pod B Pod C Deployment ReplicaSet Pod A Pod B Pod C Pod C
15. Deployment ReplicaSet V1 Pod Pod Pod Deployment ReplicaSet v1 Pod Pod ReplicaSet V2 Pod Deployment ReplicaSet V2 Pod Pod Pod
16. • Kubernetes version .spec.updateStrategy.type
    RollingUpdate https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#rolling-updates kubectl patch statefulset web –p '{"spec":{"updateStrategy":{"type":"RollingUpdate"}}}'
17. 
      2.
     
18. •
    ReplicaSet / DeploymentA,Pod8( replica# ) CPUD | %&(D (%&(#*kubernetes1.8-B)7 <1>9 • Heapster0 !* 2C %(#*64/*/? )"(8>9 E$%( >93;F • SPOF@ ' :.G -+)"(=5 ReplicaSet Pod Pod Pod Pod Holizontal Pod Autoscaler cAdvisor cAdvisor kubelet kubelet https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough/ Deployment kubectl autoscale deployment php-apache --cpu-percent=50 --min=1 --max=10
19. • "4'*TN.9-A5)9';]PodK[ =:'$&3958#  CQ IH.9-^D[
    ;\ .9-CQ IH" 4'*% ('$96+!8[ • ;\.9-` - FBS_5)9'@XW>
     EPod<YEGZIH
     .9-;\  • CA-1.0.XGAOJ"4'*kubernetes-1.8 • "4'*716'$958#P 804%9/'L\ • GCP, AWS, AzureE? • UM: Azure CA-1.1.0%29,Kubernetes-1.9.X2018/04/19 RVVMSS / acs-engineE? • See also Cluster Autoscaler on Azure
22. https://twitter.com/kelseyhightower/status/963413508300812295 https://twitter.com/kelseyhightower/status/963419882376241153 E8CF Kubernetes 
    StatefulSets Volumes'1$+1",%#1! -1"&1(*.01 /1)9 :64@=8   
    "&1(*. 01 /1)6;>?<     ADB  E8CF53>Kubernetes 2 ?< 7
23.  
    
       
    
       
24. Key/value Orders Cart Catalog & Reviews Document Suggestions Graph E-Commerce Service RDBMS  
    
25. Open Service Broker API + Service Catalog 
    ")($   & ž Open Service Broker API : *# %!' ž Service Catalog : KubernetesOpen Service Broker API ($!'
26. https://www.openservicebrokerapi.org/ Open Service Broker API – v2.13
27. Cloud Foundry Cloud Controller https://www.openservicebrokerapi.org/ Any Platform     
     API 
28. Secret Service Catalog Architecture https://kubernetes.io/docs/concepts/service-catalog/ Service Catalog Design https://github.com/kubernetes-incubator/service- catalog/blob/master/docs/design.md
29. Cloud Foundry Cloud Controller Any Platform Kubernetes + Service Catalog Service Catalog
30. 
      https://github.com/Azure/open-service-broker-azure
33. &!. 5 KubernetesBD &!. 5Kubernetes 
    Kubernetes)AFNDEC LP.$0 OJ
    1DHG3 7K   .$ • &.4D<9; • I2%+. #: • )8? ".(-% • SDN .'+ M> • .*6@
    ,. ")-/= •
34. 
      Set up High-Availability Kubernetes Masters https://kubernetes.io/docs/tasks/administer-cluster/highly-available- master/#implementation-notes
35. Agent Pool Agent VM Agent VM Agent VM Agent VM Agent VM Agent VM Agent VM Agent VM Hosted Control Plane AKS
     13&7*&8
36. 
        az aks scale –name mycluster –resource-group rg-aks --node-count 4 az aks upgrade –name mycluster –resource-group rg-aks --kubernetes-version 1.9.2
37. 1#$,28 e!8*4# 7%(!8+# $#( 7%(EXA=)?H vCPU./2`I SA= \a 7%(EX  KY !8* / )8'J]  
     1#$UP:[ >Q V7,1 7%( -28"07d; KubernetesZM 7%(c_L[ 
    TG<OBWb^@  6858'CF 
    !8+#"7-3
    9 NR
    *8#&D6858'EXC
38. / - 5 - 5 22 - -/  
       13&7*&8
39. Kubernetes control pane Application architect Infrastructure architect Azure Container Instances (ACI) ACI Connector Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod VM VM VM VM Deployment/ tasks Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Pod Waste Waste Waste Waste Pod Pod Pod Pod ACI Connector for Kubernetes KubernetesACI "%  
    %!#$  VM ACI     13&7*&8
40. https://github.com/virtual-kubelet/virtual-kubelet Kubetet# –  Kubernetes 
    $   " !
43. +36) 6$".
    *16/4>SIJL 6) GB  +36) W;GM  H,1#&?7FTZ= 9 @R • %6!7UA5E<APC • QY6) XV8 • 04&5*1XV8 • :D*16/4-'!14 • NOK4$26/4%1(1 (CI/CD)
44. 6*!fb<  VT8[ `i -46*!]\: 6*!fb< https://docs.microsoft.com/ja-jp/azure/architecture/microservices/interservice-communication • b<GIK • 6*!fb<GIBj]\)#65: 1&0
    6$&,366 • aYAN • '1 JaYAN21".eU • AN&36! • k&05/5 ZO6*!F@[ ?S 7cMh=;>QL Wg ID :d • 6*!(6 /5XS • E6*!ZO(6 /5XS RH(6 /526%5 • 6*!f&0+$PDC • TLSPDC W9TLS_^
45. • $A3&7+%9$A3&baFHV (4.=8A
    5;B  0+.?A![U`F 6<2A $A3& • ZR$A3&baFL7<A,@"
    L4^XIQ
    KNOHV
    IQ.=A&
    ]\
    ' 9;,TWPE • PodG$/A -5>  #A/LS KNOTW_J  https://github.com/istio/istio https://github.com/linkerd/linkerd https://github.com/runconduit/conduit PodG5;:4 $!<C$/A -5>  $A3&7+%9@1$*A2)A@MYD
46. https://istio.io/docs/concepts/what-is-istio/overview.html https://istio.io https://www.envoyproxy.io/
47. Istio - Creating circuit breaking policies https://istio.io/docs/tasks/traffic-management/circuit-breaking.html https://istio.io
48. Polly   
        https://docs.microsoft.com/ja-jp/dotnet/standard/microservices-architecture/implement-resilient- applications/implement-circuit-breaker-pattern
50. • 246
    #$9> CI/CD@,5FB* • CD#&) (')%!("%9>  • #'A./  • +2 1?73 • -;=CI/CD0@)%:<8 EB
51. Helm > • Kubernetes#( "-75 #+&, ;-) • Linux apt-getyum
    Mac OS Homebrew  /9. • Linux DepsRPM Helm"-  Charts 1 https://helm.sh/ Helm 43<8 • ', ( Helm ): 06: +-)%,CI/CD"#', 06 • -! ( tiller ): Kubernetes' 2= #+&, ; Charts*$ ( https://github.com/kubernetes/charts
52. helm install -f config.yaml <package> … helm upgrade -f config.yaml <release-name> …
53. helm rollback <release-name> <revision>
55. 2*"6; 9Gb DSYL
    DS.6=4;  %0C>BQR  V`]  IT #38;  1'6$<9Dc • ,=(8/7 %01'6$<9 • CPU
    126
    +$':=
    & @[XW • Kubernetes1'6$<9 • H;%) @[ CPU
    126
    6!= a\^OK • cAdvisorkube-state-metricsZP1'6$UE • .6=4;1'6$<9 • .6F?QR a_OK • AN=- 1'6$<9 • PaaS =-
    5 "=MJ
56. :  :   https://docs.microsoft.com/en-us/azure/architecture/microservices/logging-monitoring •     ! Prometheus
    InfluxDB •   !Kibana, Grafana Kibana Grafana OMS/LogAnalytics LogStash cAdvisor Prometheus Elastic Search InflluxDB