Kubernetes：强制删除一直处于Terminating状态的pod,deployment,namespace,server

一，可使用kubectl中的强制删除命令

# 删除POD
kubectl delete pod PODNAME --force --grace-period=0

# 删除NAMESPACE
kubectl delete namespace NAMESPACENAME --force --grace-period=0

#删除deployment
kubectl delete -n kube-system deployment grafana --force --grace-period=0
warning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.
deployment "grafana" deleted
 

二，若以上方法无法删除，可使用第二种方法，直接从ETCD中删除源数据(这是一种最暴力的方式，我们不建议直接操作etcd中的数据，在操作前请确认知道你是在做什么。) 

# 删除default namespace下的pod名为pod-to-be-deleted-0
    ETCDCTL_API=3 etcdctl del /registry/pods/default/pod-to-be-deleted-0
    # 删除需要删除的NAMESPACE
    etcdctl del /registry/namespaces/NAMESPACENAME</pre>