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内部でアクセス可能なk8sクラスタを公開FQDNを使用してACCに追加することはできません

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astra<a>2009726018</a>
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環境

  • Astra Control Center(ACC)23.07
  • Kubernetesクラスタ(OpenShift 4.12など)

問題

外部名で内部Kubernetesクラスタを追加しようとすると、次のエラーが表示されます。
  • 複合計算モジュールでは、次の2つのイベントが発生します。
    1. failed to add cluster次のメッセージがエラーである""
    2. 別個のイベント:type:https://astra.netapp.io/problems/63, title:Kubeconfig not valid, description:The provided credential can't connect to the cluster. Provide an updated credential and retry the request., status:400, schema_validation_failure:, invalid_params:[], invalid_fields:[]""
  • Tridentサービスモジュール:
    • イベント:errors - error handler - Invalid cluster credentials for provided ID." with error: "could not initialize Kubernetes client; couldn't retrieve API server's version: Get \"https://api-int.<CLUSTER-FQDN>:6443/version\": x509: certificate signed by unknown authority""

これらのエラー(特にX509エラー)は、「cluster」の下のkubeconfigに次の行を追加した場合でも発生します。

insecure-skip-tls-verify: true

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