給 RD 的 Kubernetes 初體驗 (gcpug 2019-06 version)

給 RD 的 Kubernetes 初體驗 (gcpug 2019-06 version)

• 1.
  Technical Manager William Yeh葉秉哲　 給 RD 的 Kubernetes 初體驗 … with a series of hands-on labs 2019-06-16
• 2.
  • PhD inComputer Science, NCTU, Taiwan • CSPO (Certified Scrum Product Owner) from Scrum Alliance • PSM I (Professional Scrum Master I) from Scrum.org • Technical manager @ Titansoft (since Mar 2019) • Server director & Scrum master @ Gogolook • Active speaker and trainer for software architecture, DevOps, agile, and theory of constraints
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  Agenda Containers Kubernetes Cloud
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  Containers Kubernetes Cloud Agenda Labs 1.0 —3.0 4.0 — 5.0 6.0 — 7.0
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  Agenda Know promising trends Adoptgradually Prepare mindset Goals Containers Kubernetes Cloud Labs 1.0 — 3.0 4.0 — 5.0 6.0 — 7.0
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  Lab material See thedemo first!
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  Lab material For eachrevision, pay attention to: 1. image versions 2. diff in code and configuration Use git diff --stat HEAD~1 HEAD to see diff between revisions. Tag 1.0 2.0 3.0 4.0 4.1 5.0 6.0 7.0
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  Lab material https://github.com/William-Yeh/workshop-gcpug 201906 or http://bit.ly/gcpug201906for short 1. Open browser 2. Git clone to your laptop
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  GKE Setup🄌 a -Redeem Google Cloud coupon b - Create project in GCP c - Create GKE cluster
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  Redeem coupon Please followsteps in your handout NOW!
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  Create Project inGCP workshop-repo / gke-steps.md or, https://console.cloud.google.com/projectsel ector2/kubernetes
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  Create GKE cluster workshop-repo/ gke-steps.md
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  Containers 1.0 - Legacy 2.0- Docker 3.0 - Frontend/backend separation ❶
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  Why containers?
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  Lab # 1.0Legacy
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  Lab # 1.0 gitcheckout 1.0 git log
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  Lab # 1.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  app runtime OS kernel app runtime OS kernel Boundaryof application packaging: pros and cons traditional deployment way virtual machine
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  app runtime OS kernel app runtime OS kernel app runtime OSkernel IaC (Infra as Code) traditional deployment way IaC tools ● Chef ● Puppet ● Ansible virtual machine
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  app runtime OS kernel app runtime OS kernel app runtime OSkernel Containers as application packaging units traditional deployment way container virtual machine
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  Lab # 2.0Docker
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  Lab # 2.0 gitcheckout 2.0 git log git diff --stat HEAD~1 HEAD
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  Lab # 2.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  Lab # 3.0Frontend/backend separation
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  Lab # 3.0 gitcheckout 3.0 git log git diff --stat HEAD~1 HEAD
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  app runtime OS kernel app runtime OS kernel app runtime OSkernel Recap: containers as application packaging units traditional deployment way container virtual machine
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  Lab # 3.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  Kubernetes 4.0 - LocalKubernetes 4.1 - Kubernetes dashboard 5.0 - Configuration ❷
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  Lab material 4.0 -Local Kubernetes 4.1 - Kubernetes dashboard 5.0 - Configuration For each revision, pay attention to: 1. image versions 2. diff in code and configuration
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  Kubernetes Terminology “Kubernetes 101: Pods,Nodes, Containers, and Clusters” • Author: Daniel Sanche • Date: 2018-01-02 • URL: https://medium.com/google-cloud/kubernetes-101-pods-nodes-c ontainers-and-clusters-c1509e409e16 (or http://bit.ly/post-k8s-101 for short)
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  Container
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  Pod Container Any examples?
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  • Shared volumes •IPC • Network https://linchpiner.github.io/k8s-multi-container-pods.html Multi-Container Pods in Kubernetes Pod Container
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  Deployment & Replicalabel selector
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  _v2 Service label selector 3 label
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  _v2 Service container pod deployment service 3
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  Kubernetes Terminology Learn by doing!
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  Lab material 4.0 -Local Kubernetes 4.1 - Kubernetes dashboard 5.0 - Configuration For each revision, pay attention to: 1. image versions 2. diff in code and configuration
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  Lab # 4.0Local Kubernetes
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  Lab # 4.0 gitcheckout 4.0 git log git diff --stat HEAD~1 HEAD
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  Lab # 4.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  CAUTION ● There’s onebig issue in this Lab 4.0 Can you see? ● What if a image changes but version tag remains unchanged?
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  Lab # 4.1Kubernetes dashboard
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  Lab # 5.0Configuration
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  Lab # 5.0 gitcheckout 5.0 git log git diff --stat HEAD~1 HEAD
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  _v2 Service container pod deployment service Recap: containers as applicationpackaging units 3
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  Lab # 5.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  Cloud 6.0 - Cloud(GKE for example) 7.0 - Canary release ❸
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  Lab # 6.0Cloud (GKE for example)
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  Lab # 6.0 gitcheckout 6.0 git log git diff --stat HEAD~1 HEAD
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  Lab # 6.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  Lab # 7.0Canary release
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  Lab # 7.0 gitcheckout 7.0 git log git diff --stat HEAD~1 HEAD
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  Service label selector
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  _v2 Service label label 3 selector
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  Lab # 7.0Review a. Architecture b. Main tasks c. Diff d. Tricks e. Questions?
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  Conclusion
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  app runtime OS kernel app runtime OS kernel app runtime OSkernel Recap: containers as application packaging units traditional deployment way container virtual machine
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  _v2 Service container pod deployment service label label 3 selector
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  Agenda Know promising trends Adoptgradually Prepare mindset Goals Containers Kubernetes Cloud Labs 1.0 — 3.0 4.0 — 5.0 6.0 — 7.0
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  Not told today Sessionaffinity https://medium.com/@diegomrtnzg/redirect-your-users-to-the-same-pod -by-using-session-affinity-on-kubernetes-baebf6a1733b StatefulSet https://godleon.github.io/blog/Kubernetes/k8s-StatefulSets-Overview / Persistent Volume & Claim https://godleon.github.io/blog/Kubernetes/k8s-PersistentVolume-Over view/
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