目录

kubernetes 调度过程

k8s 调度过程

/images/schedule.jpg

执行滚动升级

修改deployment.yml文件,追加rollingUpdate

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# 部署应用
apiVersion: apps/v1
kind: Deployment
metadata:
  name: jobcher-blog-deployment
  labels:
    app: jobcher-blog	
spec:	        
  replicas: 3
  selector:
    matchLabels:
      app: jobcher-blog
  minReadySeconds: 10 #准备10s
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 1 #更新期间不少于3-1
      maxSurge: 1 #更新期间不超过3+1
  template:
    metadata:
      labels:
        app: jobcher-blog
    spec:
      containers:
      - name: jobcher-blog-pod
        image: hub.docker.com/blog/hugo:latest

执行命令

kubectl rollout restart deployment jobcher-blog-deployment