Japan International Kubernetes Day

KubernetesとRancherの紹介

1. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 1 © Copyright 2020 Rancher Labs. All Rights Reserved. KubernetesとRancherの紹介 2021/01/28 JAPAN Japan International Kubernetes Day
2. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 2 1 2 3 概要 K3sのインストール Kubernetes概要 4 5 Rancherのインストール Rancherの操作 アジェンダ 6 Q&A
3. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 3 共に学びましょう 本⽇のクラスのリポジトリ︓ https://github.com/qiang1981cn/k8s-training
4. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 4 リソース︓ドキュメント https://rancher.com/docs/ #rancherk8s
5. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 5 リソース︓コミュニティサポート http://forums.rancher.com #rancherk8s http://slack.rancher.io
6. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 6 リソース︓ ⽇本のRacherコミュニティ #rancherk8s http://slack.rancher.jp/
7. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 9 K3sについて • CNCF認証付きの超軽量K8sディストリビューション • minikube/microk8s/kindと異なって、K3sは本番環境 でも使⽤できる • 軽量なバイナリ︓約512MBメモリ • K3supで簡単にインストール https://k3s.io https://k3sup.dev
8. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 10 K3dについて • DockerでマルチノードのK3sクラスタを構築 • 開発⽤のツール • Kubernetesの学習を簡単にする https://k3d.io/
9. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 11 Demo K3s cluster installation
10. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 12 ü K8s Intro & Architecture ü Pods ü Deployments ü Services ü Ingresses ü Configmaps Kubernetes 101 #rancherk8s
11. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 13 Kubernetes l Kubernetes͸ɺίϯςφԽ͞ΕͨϫʔΫϩʔυ΍αʔϏεΛ؅ཧ͢ΔͨΊͷɺ ϙʔλϒϧͰ֦ுੑͷ͋ΔΦʔϓϯιʔεϓϥοτϗʔϜͰ͢ l Kubernetes͸ɺYAMLܗࣜ΍JSONܗࣜͰهड़ͨ͠એݴతͳίʔυʢظ଴ͳঢ় ଶʣʹΑͬͯɺσϓϩΠ͢Δίϯςφ΍पลϦιʔεΛ؅ཧ͠·͢
12. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 14 Kubernetes Architecture API / CLI l Controlplane
    Ϋϥε λʔ؅ཧػೳɺ"1*Πϯ λϑΣʔεΛఏڙ l Etcd: ΩʔόϦϡʔετ ΞͰɺKubernetesͷશͯ ͷΫϥελʔ৘ใͷอଘ ৔ॴ l Worker: ίϯςφʢϫʔ Ϋϩʔυʣ͕࣮ࡍʹσϓ ϩΠ͞ΕΔϚγϯ
13. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 15 15 Pods
14. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 16 Kubernetes Resources - Pod l ϫʔΫϩʔυͷ࠷খ୯Ґ l αʔόʔԾ૝Խʹ͓͍ͯɺhypervisor্ͷ1ͭͷ VM૬౰ͷײ͡ l 1ͭҎ্ͷίϯςφΛؚΉ l ԼهϦιʔε΋ؚΉ: l Storage (ie shared volumes) l Networking l 1ͭͷϊʔυׂ͕Γ౰ͯΒΕ͍ͯΔ
15. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 17 apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp-container image: busybox command: ['sh', '-c', 'echo Hello Kubernetes! && sleep 1'] Basic Pod Spec
16. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 18 Declarative and Repeatable Actions • infrastructure-as-code方式でクラスタとワークロードを デプロイ管理 • Terraform • Ansible • Kustomize • Yamlコードはコードリポジトリに管理 • コードリポジトリにsecretsを保存しないよう
17. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 19 19 Deployments
18. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 20 Kubernetes Resources - Deployment l Pod؅ཧ͢ΔͨΊͷ্Ґͷந৅Ϧιʔε l ෳ਺ͷಉ͡ͷ1PE
    ΛάϧʔϓͰ؅ཧ l Updating l Scaling l Rollback l ϫʔΫϩʔυͷݱঢ়ଶ͔ΒϢʔβʔظ଴ͷঢ়ଶ΁ࣗ ಈʹมߋ
19. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 21 Kubernetes – Declarative Syntax ✓
20. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 22 Click to add text Demo: Deployments with the K8s CLI
21. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 23 23 Services
22. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 24 Kubernetes Resources - Service l Pod͸ඞͣ͠΋Ӭଓੑ͕ߴ͍΋ͷͰ͸ͳ͍ l Podʹ௚઀ΞΫηε͠ͳ͍Ͱʂ l Podsͷू߹Ͱ࣮ߦ͞Ε͍ͯΔΞϓϦέʔγϣϯΛ ωοτϫʔΫαʔϏεͱͯ͠ެ։͢Δந৅తͳํ๏ l Podͷηοτʹର͢Δ୯ҰͷIP/DNS໊Λఏڙ l Services͸಺෦ΞΫηε޲͚(ClusterIP)ͱ ֎෦ΞΫη ε޲͚(NodePort & Loadbalancer)ͷ2छྨ
23. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 25 Kubernetes Resources - Service 10.42.0.4 10.42.0.5 10.42.0.6 Endpoints: 10.42.0.4 10.42.0.5 10.42.0.6 Type : LoadBalancer 10.42.0.7 Endpoints: 10.42.0.4 10.42.0.5 10.42.0.7
24. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 26 26 Ingresses
25. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 27 Kubernetes Resources - Ingress l Ϋϥελʔ಺෦ͷServiceʹର͢Δ֎෦͔ΒͷΞΫηε Λ؅ཧ l ओʹHTTP l Serviceʹରͯ͠ɺ֎෦͔ΒΞΫηεͳՄೳURLΛఏڙ l ໊લϕʔεͷԾ૝ϗεςΟϯάͷػೳΛఏڙ l ෛՙ෼ࢄ(Load Balance traffic) ͷػೳΛఏڙ l SSLऴ୺(Terminate) ͷػೳΛఏڙ
26. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 28 Kubernetes Resources - Ingress Kubernetes Cluster /bar /foo ServiceA ServiceB foo.bar.com/bar foo.bar.com/foo
27. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 29 Demo: Exposing applications in K8s
28. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 30 30 Configmaps
29. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 31 ConfigMaps l ΞϓϦઃఆΛΞϓϦ͔Β੾཭͢࢓૊ΈΛఏڙ l ࢖༻͢Δͱ͜Ζɿ ΞϓϦ؀ڥม਺ ΞϓϦͷઃఆσʔλ l όʔδϣϯ؅ཧɺઃఆ৘ใҰݩ؅ཧ l ύεϫʔυɺೝূτʔΫϯɺAPIΩʔͳͲͷػີ σʔλͷอଘʹ͸࢖༻͠ͳ͍Α͏
30. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 32 Injecting application configuration with a ConfigMap
31. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 33 33 ConfigMaps / Rolling Updates
32. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 34 Rapid growth of Kubernetes is exposing the need for centralized Management Shared Tooling & Services Security & Authentication Simplified Cluster Operations & Infrastructure Management Policy management Pod & network security policies CIS benchmark monitoring RBAC policies Configuration enforcement Visibility & diagnostics Centralized audit Monitoring & alerting Kubernetes version management Node pool management Cluster provisioning Amazon EKS Azure AKS Google GKE Cloud Datacenter Dev Branch Edge Secure Application Deployment Routing Autoscaling Metrics Load Balancing Canary Git Deployments
33. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 35 Rancher Demo Time
34. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 36 Rancher Academy is here! • Video introductions • Theory work • Demonstrations • Hands-on labs • Quizzes • A graded final exam • Certification Gain in-depth knowledge and the confidence to best deploy, use, and manage Kubernetes with Rancher. Go to: academy.rancher.com
35. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 37 1000+ sign-ups on launch day!
36. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 38 Join other Rancher users in Slack https://slack.rancher.io http://slack.rancher.jp/ #Kubernetes channel
37. © Copyright 2020 Rancher Labs. All Rights Reserved. Confidential 39 39 ご参加ありがとうございました