버전패치 실습

다음 mongo 이미지를 사용하여 업데이트와 롤백을 실행하라.
1. 모든 revision 내용은 기록돼야 한다.

2. mongo:4.2 이미지를 사용하여 deployment를 생성하라.

✓ Replicas: 10
✓ maxSurge: 50%
✓ maxUnavailable: 50%

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mongo-deployment
spec:
  replicas: 10
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 50%
      maxUnavailable: 50%
  selector:
    matchLabels:
      app: mongo
  template:
    metadata:
      labels:
        app: mongo
    spec:
      containers:
      - name: mongo
        image: mongo:4.2
      imagePullSecrets:
      - name: test

kubectl create -f mongo.yml --record=true

3. mongo:4.4 롤링 업데이트를 수행하라.

 

 kubectl set image deploy/mongo-deployment mongo=mongo:4.4 --record=true

4. mongo:4.2로 롤백을 수행하라.

 kubectl rollout undo deploy mongo-deployment --to-revision=1