问题发现
在删除pod时, 有时候会发现pod被删除了, 但是又会自动重建
[root@k8s-master01 ~]# kubectl get pods
NAME READY STATUS RESTARTS AGE
myapp3-7996fb4b7c-2hvbz 1/1 Running 0 5m
myapp3-7996fb4b7c-4zp64 1/1 Running 0 5m
myapp3-7996fb4b7c-5qvqn 1/1 Running 0 5m1s
myapp3-7996fb4b7c-8mrmg 1/1 Running 0 4m59s
myapp3-7996fb4b7c-9zdxr 1/1 Running 0 5m1s
myapp3-7996fb4b7c-gbgnq 1/1 Running 0 5m1s
myapp3-7996fb4b7c-jntrm 1/1 Running 0 5m1s
myapp3-7996fb4b7c-m66hg 1/1 Running 0 5m1s
myapp3-7996fb4b7c-mtzlg 1/1 Running 0 5m
myapp3-7996fb4b7c-xdhgc 1/1 Running 0 4m59s
[root@k8s-master01 ~]# kubectl delete pod --all
pod "myapp3-7996fb4b7c-2hvbz" deleted
pod "myapp3-7996fb4b7c-4zp64" deleted
pod "myapp3-7996fb4b7c-5qvqn" deleted
pod "myapp3-7996fb4b7c-8mrmg" deleted
pod "myapp3-7996fb4b7c-9zdxr" deleted
pod "myapp3-7996fb4b7c-gbgnq" deleted
pod "myapp3-7996fb4b7c-jntrm" deleted
pod "myapp3-7996fb4b7c-m66hg" deleted
pod "myapp3-7996fb4b7c-mtzlg" deleted
pod "myapp3-7996fb4b7c-xdhgc" deleted
[root@k8s-master01 ~]# kubectl get pods
NAME READY STATUS RESTARTS AGE
myapp3-7996fb4b7c-7bfhs 1/1 Running 0 46s
myapp3-7996fb4b7c-7mcg9 1/1 Running 0 47s
myapp3-7996fb4b7c-7pbl4 1/1 Running 0 47s
myapp3-7996fb4b7c-bk94w 1/1 Running 0 47s
myapp3-7996fb4b7c-cjfnp 1/1 Running 0 48s
myapp3-7996fb4b7c-ftspt 1/1 Running 0 48s
myapp3-7996fb4b7c-gvzc8 1/1 Running 0 46s
myapp3-7996fb4b7c-mdlqm 1/1 Running 0 47s
myapp3-7996fb4b7c-r2kxh 1/1 Running 0 47s
myapp3-7996fb4b7c-r87wn 1/1 Running 0 47s
# 为什么这些pod删除不掉
检查发现,是因为之前设定的副本数量, 删除pod控制器
[root@k8s-master01 ~]# kubectl get deployment myapp3
NAME READY UP-TO-DATE AVAILABLE AGE
myapp3 10/10 10 10 11h
[root@k8s-master01 ~]# kubectl get pods
No resources found.
# 发现这些pod成功被删除了