Lab: GitOps with GitLab and K8s

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Photo by Abele Gigante on Unsplash Cheng Wei Chen @ iThome Cloud Sumit 2022 Lab: GitOps with GitLab and K8s

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Cheng Wei Chen 陳正瑋 Athemaster 炬識科技 / Technology Consultant  《Effective DevOps 中⽂版》譯者、GitLab Hero http://chengweichen.com

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Agenda ‧GitOps 簡介 ‧解說 Lab 的案例架構 ‧講師案例示範及學員實作 ‧結語

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STORY

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Commit Code OK! Dev Ops Deploy Code 炸炸炸

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Commit Code OK! Dev Ops Deploy Code 炸炸炸啊～我忘了說有⼀個新的 Con fi

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Commit Code OK Again ! Dev Ops Code Deploy 炸炸炸 Again Again Again

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Commit Code OK Again ! Dev Ops Code Deploy 炸炸炸 Again Again Again Ops 啊！我昨天有⼿動改了⼀個 Con fi

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Commit Code OK Again x2 Dev Ops Code Deploy 炸炸炸 Again Again Again Agai Aga Aga 炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸

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Commit Code OK Again x2 Dev Ops Code Deploy 炸炸炸 Again Again Again Agai Aga Aga 炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸炸 Infra Infra 有⼀些調整，忘了跟你說～

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Provision Code Deploy Artifacts Production ⼀條龍⼯程師 Configuration

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Provision Code Deploy CI / CD Production ⼀條龍⼯程團隊 Configuration Automation

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Code Deploy CI / CD Production ⼀條龍⼯程團隊 Configuration Automation Ops / Infra 團隊 Provision

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Photo by Fancycrave on Unsplash GitOps 簡介

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GitOps = IaC + MRs + CI/CD GitLab 說的~

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GitOps = IaC + MRs + CI/CD Continuous Integration Continuous Delivery And Automation

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GitOps = IaC + MRs + CI/CD Merge Requests Change mechanism Code Review / Approvals

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新 Issue Coding Commit CI/CD Pipeline 建立 Feature branch 測試驗收 Feature branch Main branch Prod Pipeline 新 Issue Merge Merge Monitor Production branch Feedback Code Review CI/CD Pipeline

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GitOps = IaC + MRs + CI/CD Infrastructure as Code Git repository / VCS

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GitOps = IaC + MRs + CI/CD Infrastructure as Code ???

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GitOps = IaC + MRs + CI/CD 圖片來源 https://youtu.be/Usb9iUphT6Y

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GitOps = IaC + MRs + CI/CD 圖片來源 https://youtu.be/Usb9iUphT6Y

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圖片來源 https://youtu.be/Usb9iUphT6Y GitOps = IaC + MRs + CI/CD

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GitOps = IaC + MRs + CI/CD 圖片來源 https://youtu.be/Usb9iUphT6Y

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GitOps = IaC + MRs + CI/CD 圖片來源 https://youtu.be/Usb9iUphT6Y

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App Infra Worker 1. App 有更新嗎？ 2. infra 有更新嗎？ 3.有！執⾏異動！ PULL or PUSH

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App Infra Worker 1-1. App 有更新，該做事了！ 1-2. infra 有更新，該做事了！ 2.收到！開始執⾏異動！ PULL or PUSH

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Photo by Fancycrave on Unsplash 實作練習

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DEMO

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Photo by Fancycrave on Unsplash 結語

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Tools VCS CI CD Container Registry CM IaC Container orchestration 14.x 15.x

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資料來源 https://gitlab.com/gitops-demo/readme

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GitOps = IaC + MRs + CI/CD DevOps

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GitOps = IaC + MRs + CI/CD GitOps is IaC done right !

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DevOps, then GitOps !

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GitOps is not for everyone ! (with K8S) ⽔很深請⼩⼼

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Photo by Fancycrave on Unsplash 如何開始實踐 GitOps

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1. IaC 2. Automation 3. Code Review & Approve 4. Multi environment 5. CI/CD 6. Use Repository 7. Agile & Iteration

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1. IaC 2. Automation 3. Code Review & Approve 4. Multi environment 5. CI/CD 6. Use Repository 7. Agile & Iteration DevOps