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kind (k8s in docker)

在容器里运行Kubernetes

安装kind​

  • 使用包管理器安装
brew install kind

kind​

k8s in docker

brew install kind
kind create cluster
kind delete cluster
kind get clusters

控制平面节点 Control planel​

  • 创建
    • 如果不指定名称,默认为kind
 kind create cluster --name dev
  • 查看全部集群
kind get clusters
  • 为了与特定集互，您只需指定 cluster name 作为上下文中的 Context：
kubectl cluster-info --context kind-dev

kubectl cluster-info --context kind-kind
  • 删除
    • 如果不指定名称, 默认删除kind
kind delete cluster --name dev

使用配置文件定义集群​

  • 运行命令
kind create cluster --config kind-example-config.yaml
  • kind-example-config.yaml
# a cluster with 1 control-plane nodes and 2 workers
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
    - role: control-plane
    - role: worker
    - role: worker
  • 高可以集群
# a cluster with 3 control-plane nodes and 3 workers
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
    - role: control-plane
    - role: control-plane
    - role: control-plane
    - role: worker
    - role: worker
    - role: worker

加载镜像到集群节点​

在mac上要关闭docker desktop 的 Use containerd for pulling and storing images ,这个是构建多平台镜像时要打开的​

  • 加载 nginx:1.29.0 镜像到 kind 中
  • docker pull nginx:1.29.0
kubectl config use-context kind-kind
kind load docker-image nginx:1.29.0 --name kind

部署镜像​

  • 编写 Deployment
nginx-deployment.yml
  • 应用
kubectl apply -f nginx-deployment.yml
  • 查看部署结果
kubectl get pods