删除ns，一直处于Terminating状态中

问题一：删除ns，一直处于Terminating状态中

强制删除也是出现报错

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.
Error from server (Conflict): Operation cannot be fulfilled on namespaces "devtesting": The system is ensuring all content is removed from this namespace.  Upon completion, this namespace will automatically be purged by the system.

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解决办法：

kubectl get namespace devtesting -o json > devtesting.json

# cat devtesting.json 
{
    "apiVersion": "v1",
    "kind": "Namespace",
    "metadata": {
        "annotations": {
            "cattle.io/status": "{\"Conditions\":[{\"Type\":\"ResourceQuotaInit\",\"Status\":\"True\",\"Message\":\"\",\"LastUpdateTime\":\"2019-09-23T07:24:02Z\"},{\"Type\":\"InitialRolesPopulated\",\"Status\":\"True\",\"Message\":\"\",\"LastUpdateTime\":\"2019-09-23T07:24:02Z\"}]}",
            "lifecycle.cattle.io/create.namespace-auth": "true"
        },
        "creationTimestamp": "2019-09-23T07:23:03Z",
        "deletionTimestamp": "2019-09-30T06:35:09Z",
        "labels": {
            "name": "devtesting"
        },
        "name": "devtesting",
        "resourceVersion": "6153812",
        "selfLink": "/api/v1/namespaces/devtesting",
        "uid": "a00e013b-0066-4b64-915d-05acde5c9a09"
    },
    "spec": {
        "finalizers": [ 
            "kubernetes"
        ]
    },
    "status": {
        "phase": "Terminating"
    }
}

删除其中的spec字段，因为k8s集群是携带认证的

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执行以下curl命令，使用kube-apiserver的8080端口，执行删除操作

 curl -k -H "Content-Type: application/json" -X PUT --data-binary @devtesting.json http://127.0.0.1:8080/api/v1/namespaces/devtesting/finalize

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备注：

如果kube-apiserver未开非安全端口，可以手动创建一个代理会话，

# kubectl proxy --port=8081
# curl -k -H "Content-Type: application/json" -X PUT --data-binary @devtesting.json http://127.0.0.1:8081/api/v1/namespaces/test/finalize

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