1、现象

  1. [root@node1 ~]# kubectl get ns
  2. NAME              STATUS        AGE
  3. default           Active        29d
  4. istio-system      Terminating   15h
  5. kube-node-lease   Active        29d
  6. kube-public       Active        29d
  7. kube-system       Active        29d
  8. kubekey-system    Active        29d
  • 可以看到istio-system名称空间状态是Terminating

2、强制删除

1. 导出状态为Terminating的名称空间的json

  1. kubectl get ns istio-system  -o json > istio-system.json

2. 删除json文件中的spec字段中内容，spec内容置为空

  1. cat istio-system.json 
  2. {
  3.     "apiVersion": "v1",
  4.     "kind": "Namespace",
  5.     "metadata": {
  6.         "creationTimestamp": "2023-02-08T09:16:00Z",
  7.         "deletionTimestamp": "2023-02-09T00:40:59Z",
  8.         "labels": {
  9.             "kubernetes.io/metadata.name": "istio-system"
  10.         },
  11.         "name": "istio-system",
  12.         "resourceVersion": "239729",
  13.         "uid": "1d4f309d-2991-4f80-b50a-b70516e31012"
  14.     },
  15.     "spec": { # 这里面的内容被删除
  16.     },
  17.     "status": {
  18.         .... # 内容过多省略展示
  19.         "phase": "Terminating"
  20.     }
  21. }

K8S命名空间处于Terminating状态，如何强制删除 - 图1

3. 新开启一个窗口，启动一个进程

  1. kubectl proxy --port=8081

4. 在另一个窗口通过求情删除

  1. curl -k -H "Content-Type:application/json" -X PUT --data-binary @istio-system.json http://127.0.0.1:8081/api/v1/namespaces/istio-system/finalize

K8S命名空间处于Terminating状态，如何强制删除 - 图2

  • @istio-system.json 是我们导出的文件
  • istio-system 是需要删除的命名空间

5. 执行删除请求会得到如下内容信息

  1. [root@node1 ~]# curl -k -H "Content-Type:application/json" -X PUT --data-binary @istio-system.json http://127.0.0.1:8081/api/v1/namespaces/istio-system/finalize
  2. {
  3.   "kind": "Namespace",
  4.   "apiVersion": "v1",
  5.   "metadata": {
  6.     "name": "istio-system",
  7.     "uid": "1d4f309d-2991-4f80-b50a-b70516e31012",
  8.     "resourceVersion": "239729",
  9.     "creationTimestamp": "2023-02-08T09:16:00Z",
  10.     "deletionTimestamp": "2023-02-09T00:40:59Z",
  11.     "labels": {
  12.       "kubernetes.io/metadata.name": "istio-system"
  13.     },
  14.     "managedFields": [
  15.       {
  16.         "manager": "istioctl",
  17.         "operation": "Update",
  18.         "apiVersion": "v1",
  19.         "time": "2023-02-08T09:16:00Z",
  20.         "fieldsType": "FieldsV1",
  21.         "fieldsV1": {
  22.           "f:metadata": {
  23.             "f:labels": {
  24.               ".": {},
  25.               "f:kubernetes.io/metadata.name": {}
  26.             }
  27.           }
  28.         }
  29.       },
  30.       {
  31.         "manager": "kube-controller-manager",
  32.         "operation": "Update",
  33.         "apiVersion": "v1",
  34.         "time": "2023-02-09T00:41:04Z",
  35.         "fieldsType": "FieldsV1",
  36.         "fieldsV1": {
  37.           "f:status": {
  38.             "f:conditions": {
  39.               ".": {},
  40.               "k:{\"type\":\"NamespaceContentRemaining\"}": {
  41.                 ".": {},
  42.                 "f:lastTransitionTime": {},
  43.                 "f:message": {},
  44.                 "f:reason": {},
  45.                 "f:status": {},
  46.                 "f:type": {}
  47.               },
  48.               "k:{\"type\":\"NamespaceDeletionContentFailure\"}": {
  49.                 ".": {},
  50.                 "f:lastTransitionTime": {},
  51.                 "f:message": {},
  52.                 "f:reason": {},
  53.                 "f:status": {},
  54.                 "f:type": {}
  55.               },
  56.               "k:{\"type\":\"NamespaceDeletionDiscoveryFailure\"}": {
  57.                 ".": {},
  58.                 "f:lastTransitionTime": {},
  59.                 "f:message": {},
  60.                 "f:reason": {},
  61.                 "f:status": {},
  62.                 "f:type": {}
  63.               },
  64.               "k:{\"type\":\"NamespaceDeletionGroupVersionParsingFailure\"}": {
  65.                 ".": {},
  66.                 "f:lastTransitionTime": {},
  67.                 "f:message": {},
  68.                 "f:reason": {},
  69.                 "f:status": {},
  70.                 "f:type": {}
  71.               },
  72.               "k:{\"type\":\"NamespaceFinalizersRemaining\"}": {
  73.                 ".": {},
  74.                 "f:lastTransitionTime": {},
  75.                 "f:message": {},
  76.                 "f:reason": {},
  77.                 "f:status": {},
  78.                 "f:type": {}
  79.               }
  80.             }
  81.           }
  82.         },
  83.         "subresource": "status"
  84.       }
  85.     ]
  86.   },
  87.   "spec": {},
  88.   "status": {
  89.     "phase": "Terminating",
  90.     "conditions": [
  91.       {
  92.         "type": "NamespaceDeletionDiscoveryFailure",
  93.         "status": "False",
  94.         "lastTransitionTime": "2023-02-09T00:41:04Z",
  95.         "reason": "ResourcesDiscovered",
  96.         "message": "All resources successfully discovered"
  97.       },
  98.       {
  99.         "type": "NamespaceDeletionGroupVersionParsingFailure",
  100.         "status": "False",
  101.         "lastTransitionTime": "2023-02-09T00:41:04Z",
  102.         "reason": "ParsedGroupVersions",
  103.         "message": "All legacy kube types successfully parsed"
  104.       },
  105.       {
  106.         "type": "NamespaceDeletionContentFailure",
  107.         "status": "False",
  108.         "lastTransitionTime": "2023-02-09T00:41:04Z",
  109.         "reason": "ContentDeleted",
  110.         "message": "All content successfully deleted, may be waiting on finalization"
  111.       },
  112.       {
  113.         "type": "NamespaceContentRemaining",
  114.         "status": "True",
  115.         "lastTransitionTime": "2023-02-09T00:41:04Z",
  116.         "reason": "SomeResourcesRemain",
  117.         "message": "Some resources are remaining: kialis.kiali.io has 1 resource instances"
  118.       },
  119.       {
  120.         "type": "NamespaceFinalizersRemaining",
  121.         "status": "True",
  122.         "lastTransitionTime": "2023-02-09T00:41:04Z",
  123.         "reason": "SomeFinalizersRemain",
  124.         "message": "Some content in the namespace has finalizers remaining: kiali.io/finalizer in 1 resource instances"
  125.       }
  126.     ]
  127.   }

6. 再次检查是否被删除

  1. kubectl get ns
  2. NAME              STATUS   AGE
  3. default           Active   29d
  4. kube-node-lease   Active   29d
  5. kube-public       Active   29d
  6. kube-system       Active   29d
  7. kubekey-system    Active   29d