DevOps

Implement by Kubernetes

Agenda

• What's DevOps?

• What's Kubernetes?

• How to use them together?

What's DevOps?

Why do I use DevOps?

常見的開發情況

• 我的電腦可以跑，為什麼你的不行?

• 不知道剛剛改了什麼，程式就壞掉了

• 需．求．變．更 => 大．災．難

常見的維運情況

• 為什麼你的電腦可以跑，我的卻不行?

• 不知道怎麼安裝，或是安全性問題一大堆

• 這是上個月安裝的，我已經忘記怎麼安裝了

常見的各種情況

• 不敢重開機、不敢升級

• 缺乏測試，Bug 滿天飛

Gitlab CI

Reference

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

What's CI/CD?

• Continuous Integration

• Continuous Delivery

https://commons.wikimedia.org/wiki/File:Agile-vs-iterative-flow.jpg

http://www.globalnerdy.com/2007/11/28/dilbert-on-extreme-and-agile-programming/

Unit Test

1. Find problems early

2. TDD / BDD

3. Test Coverage

4. Test for failure

Other Method

1. e2e testing

2. A / B Test

3. Canary release

4. Blue / Green Release

5. Nightly Build

Final Target

1. Auto Test

2. Auto Deploy

3. Faster Coding, Less Bug

4. CaaS (Code as a Service)

5. Rolling Update / Rollback

6. High Avilible / Auto Healing

Before we go ahead

What's Kubernetes

Kubernetes is an open source system 
for managing Docker across multiple hosts.

A Project of CNCF

What's Kubernetes

Kubernetes is an open source system 
for managing Docker across multiple hosts.

• Docker

• Micro-service / Stateless

• Multi-host

• Self-healing

• Rolling Update

• Open Source (Apache 2.0)

Rolling Update

https://www.slideshare.net/DanielSmith272/whats-new-in-kubernetes

So, what's Docker?

So, what's Docker?

So, what's Docker?

So, what's Docker?

Docker

• Execute Faster
• Launch Faster
• Less Disk & Less Memory
• Scale up quickly
• OpenSouce (Apache 2.0)

VM

• Easy to use
• Easy to debug
• Easy to design
• More secure
• Keep all change

Gitlab CI

Reference

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

Gitlab CI/CD Pipeline

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

Gitlab CI/CD Pipeline

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

Gitlab CI/CD Pipeline

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

Gitlab CI/CD Pipeline

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

Gitlab CI/CD Pipeline

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

Gitlab CI/CD Pipeline

https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/

todo: runner、running dashboard

Gitlab CI/CD Pipeline

todo: pipeline

Gitlab CI/CD Pipeline

Have we done all things?

Q&A

Thanks

for your attention!