Kubernates之Deployment滚动升级和回滚
k8s版本1.14
查看Deployment的升级历史
List-1
xx@xx:~/xx$ kubectl rollout history deployment xxxx -n xxxdeployment.extensions/xxx
REVISION CHANGE-CAUSE
6 <none>
7 <none>
8 <none>
从上面的结果可以看出在执行Deployment升级的时候最好带上record参数,便于查看历史版本信息
查看单个revison的信息
List-2
xx@xx:~/xx$ kubectl rollout history deployment xxxx --revision=8 -n xxxdeployment.extensions/xxx with revision #8
Pod Template:
Labels: app=xx
pod-template-hash=65d95b7bd7
Annotations: cattle.io/timestamp: 2020-07-30T03:31:16Z
field.cattle.io/ports: [[{"containerPort":8180,"dnsName":"xx-","name":"port","protocol":"TCP","sourcePort":0}]]
Containers:
unstruct:
Image: xxxxx/apps/jdk8:5
Port: 8180/TCP
Host Port: 0/TCP
Command:
/bin/bash
/tmp/config/start.sh
-d
Environment:
.......略
Mounts:
/tmp/config from config (rw)
Volumes:
config:
Type: ConfigMap (a volume populated by a ConfigMap)
Name: cm-xxxx
Optional: false
回滚之前的rs信息
List-3
xxx@xxx:~/xxx$ kubectl get rs -n xxxNAME DESIRED CURRENT READY AGE
xx-54dffb5d47 1 1 1 39h
xx-58bc66466 0 0 0 7d13h
xx-66dd79b8bb 0 0 0 7d22h
xxx-65d95b7bd7 1 1 1 22h
xxx-68c5bb8cb 0 0 0 23h
xxx-787c4c9c59 0 0 0 39h
回滚之前rs的版本是xxx-65d95b7bd7
回滚到版本7
我们指定版本进行回滚,如果没有指定revision,那么是回滚到上一个版本
List-4
xx@xxx:~/xxx$ kubectl rollout undo deployment xxx --to-revision=7 -n xxxdeployment.extensions/xxx rolled back
查看rs信息
List-5
xx@xx:~/xxx$ kubectl get rs -n xxxNAME DESIRED CURRENT READY AGE
xx-54dffb5d47 1 1 1 39h
xx-58bc66466 0 0 0 7d13h
xx-66dd79b8bb 0 0 0 7d22h
xxx-65d95b7bd7 0 0 0 22h
xxx-68c5bb8cb 1 1 1 23h
xxx-787c4c9c59 0 0 0 39h
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