kops - Kubernetes指南

​kops 是一个生产级 Kubernetes 集群部署工具，可以在 AWS、GCE、VMWare vSphere 等平台上自动部署高可用的 Kubernetes 集群。主要功能包括
自动部署高可用的 kubernetes 集群
支持从 kube-up 创建的集群升级到 kops 版本
dry-run 和自动幂等升级等基于状态同步模型
支持自动生成 AWS CloudFormation 和 Terraform 配置
支持自定义扩展 add-ons
命令行自动补全
安装 kops 和 kubectl
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# on macOS
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brew install kubectl kops
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​
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# on Linux
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wget https://github.com/kubernetes/kops/releases/download/1.7.0/kops-linux-amd64
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chmod +x kops-linux-amd64
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mv kops-linux-amd64 /usr/local/bin/kops
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在 AWS 上面部署
首先需要安装 AWS CLI 并配置 IAM：
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# install AWS CLI
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pip install awscli
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​
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# configure iam
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aws iam create-group --group-name kops
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aws iam attach-group-policy --policy-arn arn:aws:iam::aws:policy/AmazonEC2FullAccess --group-name kops
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aws iam attach-group-policy --policy-arn arn:aws:iam::aws:policy/AmazonRoute53FullAccess --group-name kops
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aws iam attach-group-policy --policy-arn arn:aws:iam::aws:policy/AmazonS3FullAccess --group-name kops
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aws iam attach-group-policy --policy-arn arn:aws:iam::aws:policy/IAMFullAccess --group-name kops
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aws iam attach-group-policy --policy-arn arn:aws:iam::aws:policy/AmazonVPCFullAccess --group-name kops
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aws iam create-user --user-name kops
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aws iam add-user-to-group --user-name kops --group-name kops
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aws iam create-access-key --user-name kops
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​
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# configure the aws client to use your new IAM user
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aws configure           # Use your new access and secret key here
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aws iam list-users      # you should see a list of all your IAM users here
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​
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# Because "aws configure" doesn't export these vars for kops to use, we export them now
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export AWS_ACCESS_KEY_ID=<access key>
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export AWS_SECRET_ACCESS_KEY=<secret key>
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创建 route53 域名
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aws route53 create-hosted-zone --name dev.example.com --caller-reference 1
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创建 s3 存储 bucket
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aws s3api create-bucket --bucket clusters.dev.example.com --region us-east-1
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aws s3api put-bucket-versioning --bucket clusters.dev.example.com  --versioning-configuration Status=Enabled
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部署 Kubernetes 集群
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export KOPS_STATE_STORE=s3://clusters.dev.example.com
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​
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kops create cluster --zones=us-east-1c useast1.dev.example.com --yes
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当然，也可以部署一个高可用的集群
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kops create cluster \
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    --node-count 3 \
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    --zones us-west-2a,us-west-2b,us-west-2c \
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    --master-zones us-west-2a,us-west-2b,us-west-2c \
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    --node-size t2.medium \
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    --master-size t2.medium \
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    --topology private \
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    --networking kopeio-vxlan \
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    hacluster.example.com
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删除集群
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kops delete cluster --name ${NAME} --yes
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在 GCE 上面部署
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# Create cluster in GCE.
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# This is an alpha feature.
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export KOPS_STATE_STORE="gs://mybucket-kops"
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export ZONES=${MASTER_ZONES:-"us-east1-b,us-east1-c,us-east1-d"}
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export KOPS_FEATURE_FLAGS=AlphaAllowGCE
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​
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kops create cluster kubernetes-k8s-gce.example.com
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  --zones $ZONES \
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  --master-zones $ZONES \
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  --node-count 3
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  --project my-gce-project \
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  --image "ubuntu-os-cloud/ubuntu-1604-xenial-v20170202" \
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  --yes
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内容

安装 kops 和 kubectl

在 AWS 上面部署

在 GCE 上面部署