一、部署pod资源
cat<<EOF | kubectl apply -f -
apiVersion: v1
kind: Pod
metadata:name: busyboxnamespace: default
spec:containers:- name: busyboximage: docker.chenby.cn/library/busybox:1.28command:- sleep- "3600"imagePullPolicy: IfNotPresentrestartPolicy: Always
EOF

二、用pod解析默认命令空间中的kubernetes

三、测试跨命名空间是否可以解析

四、pod和pod之间要能通

五、创建三个副本,可以看到3个副本分布在不同节点
cat<<EOF | kubectl apply -f -
apiVersion: apps/v1
kind: Deployment
metadata:name: nginx-deploymentlabels:app: nginx
spec:replicas: 3selector:matchLabels:app: nginxtemplate:metadata:labels:app: nginxspec:containers:- name: nginximage: nginx:latestports:- containerPort: 80
EOF
