導入
最近、EKS(Elastic Kubernetes Service-Amazon EKS)とKubeSphereで遊んでいます。EKSとKubeSphereはこれまで使ったことがないので、試行錯誤のプロセスでもあります。KubeSphereを使っていたときに、ログサービスがあることに気づきました。好奇心に駆られて作成しました。
ロギングサービス(KubeSphere Logging System)を作成したところ、使いたくないことがわかりました。(たぶん私はそれが何であるかを見たいだけです。)OCD私はそれを削除したいです。だから私は私のEKSで彼を強制的に削除しました:
$ kubectl delete ns kubesphere-logging-system --force --grace-period=0
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恥ずかしいのは、この名前空間がすぐに削除されなかったことです。私は自分自身を慰めました。おそらく、名前空間の下に削除されていない他のリソースが削除されるのを待っているので、待ちます。。。
30分後、削除の進行状況をもう一度確認します。
$ kubectl get ns kubesphere-logging-system
NAME STATUS AGE
kubesphere-logging-system Terminating 6d19h
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場所が終了状態でスタックしているようです。解決策を見つけようとしています。この問題を参照してください:github.com/kubernetes/…APIを実装できます。EKSはAWSでホストされているため、EKSのバックエンドを操作する方法がありません。
最後に、この問題で答えを見つけました:github.com/kubernetes/…
名前空間を完全に削除する方法
名前空間の詳細を取得し、jsonに変換します
$ kubectl get namespace kubesphere-logging-system -o json > kubesphere-logging-system.json
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jsonファイルを開いて編集します
{
"apiVersion": "v1",
"kind": "Namespace",
"metadata": {
"creationTimestamp": "2021-12-31T05:03:58Z",
"deletionTimestamp": "2022-01-05T08:05:40Z",
"labels": {
"kubesphere.io/namespace": "kubesphere-logging-system",
"kubesphere.io/workspace": "system-workspace"
},
"managedFields": [
{
"apiVersion": "v1",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:metadata": {
"f:labels": {
".": {},
"f:kubesphere.io/namespace": {}
},
"f:ownerReferences": {
".": {},
"k:{\"uid\":\"6d535470-2592-4f3c-a155-eabc362c339d\"}": {
".": {},
"f:apiVersion": {},
"f:blockOwnerDeletion": {},
"f:controller": {},
"f:kind": {},
"f:name": {},
"f:uid": {}
}
}
}
},
"manager": "controller-manager",
"operation": "Update",
"time": "2021-12-31T05:04:01Z"
},
{
"apiVersion": "v1",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:metadata": {
"f:labels": {
"f:kubesphere.io/workspace": {}
}
},
"f:status": {
"f:phase": {}
}
},
"manager": "kubectl",
"operation": "Update",
"time": "2021-12-31T05:04:01Z"
},
{
"apiVersion": "v1",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:status": {
"f:conditions": {
".": {},
"k:{\"type\":\"NamespaceContentRemaining\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceDeletionContentFailure\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceDeletionDiscoveryFailure\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceDeletionGroupVersionParsingFailure\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceFinalizersRemaining\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
}
}
}
},
"manager": "kube-controller-manager",
"operation": "Update",
"time": "2022-01-05T08:05:47Z"
}
],
"name": "kubesphere-logging-system",
"ownerReferences": [
{
"apiVersion": "tenant.kubesphere.io/v1alpha1",
"blockOwnerDeletion": true,
"controller": true,
"kind": "Workspace",
"name": "system-workspace",
"uid": "6d535470-2592-4f3c-a155-eabc362c339d"
}
],
"resourceVersion": "7376520",
"uid": "2b76e9b1-75f2-4a2e-a819-73b36aea188e"
},
"spec": {
"finalizers": [
"kubernetes" # 将此行删除
]
},
"status": {
"conditions": [
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "All resources successfully discovered",
"reason": "ResourcesDiscovered",
"status": "False",
"type": "NamespaceDeletionDiscoveryFailure"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "All legacy kube types successfully parsed",
"reason": "ParsedGroupVersions",
"status": "False",
"type": "NamespaceDeletionGroupVersionParsingFailure"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "All content successfully deleted, may be waiting on finalization",
"reason": "ContentDeleted",
"status": "False",
"type": "NamespaceDeletionContentFailure"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "Some resources are remaining: fluentbits.logging.kubesphere.io has 1 resource instances",
"reason": "SomeResourcesRemain",
"status": "True",
"type": "NamespaceContentRemaining"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "Some content in the namespace has finalizers remaining: fluentbit.logging.kubesphere.io in 1 resource instances",
"reason": "SomeFinalizersRemain",
"status": "True",
"type": "NamespaceFinalizersRemaining"
}
],
"phase": "Terminating"
}
}
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仕様を見つけて、ファイナライザーの下のkubernetesを削除します。
詳細は以下の通り
{
"apiVersion": "v1",
"kind": "Namespace",
"metadata": {
"creationTimestamp": "2021-12-31T05:03:58Z",
"deletionTimestamp": "2022-01-05T08:05:40Z",
"labels": {
"kubesphere.io/namespace": "kubesphere-logging-system",
"kubesphere.io/workspace": "system-workspace"
},
"managedFields": [
{
"apiVersion": "v1",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:metadata": {
"f:labels": {
".": {},
"f:kubesphere.io/namespace": {}
},
"f:ownerReferences": {
".": {},
"k:{\"uid\":\"6d535470-2592-4f3c-a155-eabc362c339d\"}": {
".": {},
"f:apiVersion": {},
"f:blockOwnerDeletion": {},
"f:controller": {},
"f:kind": {},
"f:name": {},
"f:uid": {}
}
}
}
},
"manager": "controller-manager",
"operation": "Update",
"time": "2021-12-31T05:04:01Z"
},
{
"apiVersion": "v1",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:metadata": {
"f:labels": {
"f:kubesphere.io/workspace": {}
}
},
"f:status": {
"f:phase": {}
}
},
"manager": "kubectl",
"operation": "Update",
"time": "2021-12-31T05:04:01Z"
},
{
"apiVersion": "v1",
"fieldsType": "FieldsV1",
"fieldsV1": {
"f:status": {
"f:conditions": {
".": {},
"k:{\"type\":\"NamespaceContentRemaining\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceDeletionContentFailure\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceDeletionDiscoveryFailure\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceDeletionGroupVersionParsingFailure\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
},
"k:{\"type\":\"NamespaceFinalizersRemaining\"}": {
".": {},
"f:lastTransitionTime": {},
"f:message": {},
"f:reason": {},
"f:status": {},
"f:type": {}
}
}
}
},
"manager": "kube-controller-manager",
"operation": "Update",
"time": "2022-01-05T08:05:47Z"
}
],
"name": "kubesphere-logging-system",
"ownerReferences": [
{
"apiVersion": "tenant.kubesphere.io/v1alpha1",
"blockOwnerDeletion": true,
"controller": true,
"kind": "Workspace",
"name": "system-workspace",
"uid": "6d535470-2592-4f3c-a155-eabc362c339d"
}
],
"resourceVersion": "7376520",
"uid": "2b76e9b1-75f2-4a2e-a819-73b36aea188e"
},
"spec": {
"finalizers": [
]
},
"status": {
"conditions": [
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "All resources successfully discovered",
"reason": "ResourcesDiscovered",
"status": "False",
"type": "NamespaceDeletionDiscoveryFailure"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "All legacy kube types successfully parsed",
"reason": "ParsedGroupVersions",
"status": "False",
"type": "NamespaceDeletionGroupVersionParsingFailure"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "All content successfully deleted, may be waiting on finalization",
"reason": "ContentDeleted",
"status": "False",
"type": "NamespaceDeletionContentFailure"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "Some resources are remaining: fluentbits.logging.kubesphere.io has 1 resource instances",
"reason": "SomeResourcesRemain",
"status": "True",
"type": "NamespaceContentRemaining"
},
{
"lastTransitionTime": "2022-01-05T08:05:47Z",
"message": "Some content in the namespace has finalizers remaining: fluentbit.logging.kubesphere.io in 1 resource instances",
"reason": "SomeFinalizersRemain",
"status": "True",
"type": "NamespaceFinalizersRemaining"
}
],
"phase": "Terminating"
}
}
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クリーンアップコマンドを実行します
これで、1つのコマンドでこの名前空間を完全に削除できます。
$ kubectl replace --raw "/api/v1/namespaces/kubesphere-logging-system/finalize" -f ./kubesphere-logging-system.json
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実行後、しばらく待ってからコマンドを再実行してネームスペースを確認する必要があります。
$ kubectl replace --raw "/api/v1/namespaces/kubesphere-logging-system/finalize" -f ./kubesphere-logging-system.json
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最終チェック
$ kubectl get ns kubesphere-logging-system
Error from server (NotFound): namespaces "kubesphere-logging-system" not found
$ kubectl get ns
NAME STATUS AGE
default Active 23d
kubesphere-controls-system Active 9d
kubesphere-devops-system Active 9d
kubesphere-devops-worker Active 16h
kubesphere-monitoring-federated Active 9d
kubesphere-monitoring-system Active 9d
kubesphere-sample-dev Active 8d
kubesphere-system Active 9d
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もう一度確認したところ、もうありませんでした。
この記事は、複数投稿のブログプラットフォームであるOpenWriteによって公開されています。