[CNDT2021]Kubernetes GitOps with Rancher Continuous Delivery

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1. © Copyright 2021 Rancher. All Rights Reserved. 1
   © Copyright 2021 Rancher. All Rights Reserved. 1
   Kubernetes GitOps with
   Rancher Continuous Delivery
   2nd Nov 2021
   Wenhan Shi
   Support Engineer
   

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2. © Copyright 2021 Rancher. All Rights Reserved. 2
   GitOpsで百万単位のKubernetes クラスタを一元管理
   Rancher Continuous Delivery -
   • Rancherが開発した独立のプロジェクト - https://github.com/rancher/fleet
   • CNCF認証のクラスタならデプロイ可能
   • Rancher v2.5/v2.6 built-in
   • k8s 標準APIと連携するk8s controller
   • Policy/APP/infraなどを操作可能
   • クラスタをグルーピングして操作可能
   • UIでステータスを可視化
   

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3. © Copyright 2021 Rancher. All Rights Reserved. 3
   アーキテクチャ
   Fleet Controller
   — Rancherサーバで実行
   — Git repositoryと通信
   Fleet Agents
   — 各Downstream cluster で実行
   — Fleet Controllerとsync-up
   — Helmでresourcesをデプロイ
   

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4. © Copyright 2021 Rancher. All Rights Reserved. 4
   アーキテクチャ
   Bundle
   — クラスタにデプロイするリソースのコ
   レクション
   — 設定されたGitRepoの内容をベースに
   Fleetより自動生成
   — Bundleの内容
   – Kubernetes resource manifests
   – Kustomize templates
   – Helm charts
   

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5. © Copyright 2021 Rancher. All Rights Reserved. 5
   Web UI
   

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   Cluster
   Group
   Hands-on：環境
   commit
   Deploy Deploy
   Monitoring
   

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7. © Copyright 2021 Rancher. All Rights Reserved. 7
   Hands-on：内容
   • Fleet 基本設定
   • Cluster group
   • GitRepo
   • Workloadのデプロイ＆アップグレード
   • folk : https://github.com/rancher/fleet-examples
   • Rancher Appのデプロイとアップデート
   • https://github.com/ibrokethecloud/core-bundles
   • https://github.com/ibrokethecloud/user-bundles
   • k3s cluster upgrade
   Hands-on URL: https://learn.na.hobbyfarm.io/
   Access code: cndt2021fleet
   

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8. © Copyright 2021 Rancher. All Rights Reserved. 8 8
   Thank you
   

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