Kubectl工具常用命令

创建namesapce

kubectl create namespace {name}

注意：name只能为小写字母、数字和-的组合，且开头结尾为字母，一般格式为my-name 123-abc等。

创建deployments

（1）利用文件创建deployment

编辑deployment.yml文件

kubectl create -f deployment.yml

deployment的格式为

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
  namespace: namespace
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.7.9
        ports:
        - containerPort: 80

查询

kubectl get deployments -n=taskmanger-beta

kubectl get pods -n=taskmanager-beta

kubectl exec -it manager-3459460258-hsbkr /bin/bash -n=taskmanager-beta

YAML中的kind种类

Deployments

Service

Ingress

Secret

Pod