EKS Upgrade Procedure

workshop

• 中文升级 workshop
• eks-upgrade-lab
  • https://eks-upgrades-workshop.netlify.app/
• Workshop
• Accelerate software development lifecycles with GitOps

流程

1: 检查应用配置文件兼容性

• eks-upgrade-insight
• kube-no-trouble
• pluto
• eksup
• 检查第三方插件 (eks-cluster-addons-list)

2: 升级核心addon （如果集群目标版本和 addon 有兼容问题则先升级 addon，否则在升级完管理节点后再升级 addon）

• coredns:
  • 托管dns addon (managed-coredns)
  • 自管dns addon (self-managed-coredns)
• aws-node: upgrade-vpc-cni
• kube-proxy: eks-addons-kube-proxy

3: 升级 eks 控制平面

4: 升级 eks 管理节点

• 托管节点的更新 LINK
  • ssm-document-eks-node-upgrade
• 自管节点的更新 LINK

5: 升级其他 addons

others

• mm-eks-upgrade-workshop-walkley

deck

docs history

• for release 1.22
  • https://github.com/awsdocs/amazon-eks-user-guide/blob/cb60bb7b2b78220f2f8809bbd640ec4d0fbcb5eb/doc_source/kubernetes-versions.md
• for release 1.21 and before
  • https://github.com/awsdocs/amazon-eks-user-guide/blob/a7e7162191efbfdb256ffeb4ec26757c7f3cc7b3/doc_source/kubernetes-versions.md

refer

• Amazon EKS 集群升级指南
• amazon-eks-版本管理策略与升级流程
• Automate Amazon EKS upgrades with infrastructure as code
• GCR Resilience Series - EKS Resilience
• https://kubernetes.io/releases/version-skew-policy/

参考文档

• Kubernetes官方文档: Kubernetes Release Cycle
• Kubernetes官方文档: Kubernetes Deprecation Policy
• Kubernetes博客: Increasing the Kubernetes Support Window to One Year
• AWS博客: Planning Kubernetes Upgrades with Amazon EKS
• AWS博客: Making Cluster Updates Easy with Amazon EKS
• AWS官方文档: Amazon EKS Kubernetes versions
• AWS官方文档: Updating a cluster
• EKS最佳实践手册: Handling Cluster Upgrades