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You can remove a cluster that you deployed to Azure Stack Hub.

Removing a cluster that uses installer-provisioned infrastructure

You can remove a cluster that uses installer-provisioned infrastructure from your cloud.

After uninstallation, check your cloud provider for any resources not removed properly, especially with User Provisioned Infrastructure (UPI) clusters. There might be resources that the installer did not create or that the installer is unable to access.

Prerequisites
  • Have a copy of the installation program that you used to deploy the cluster.

  • Have the files that the installation program generated when you created your cluster.

While you can uninstall the cluster using the copy of the installation program that was used to deploy it, using OKD version 4.13 or later is recommended.

The removal of service principals is dependent on the Microsoft Azure AD Graph API. Using version 4.13 or later of the installation program ensures that service principals are removed without the need for manual intervention, if and when Microsoft decides to retire the Azure AD Graph API.

Procedure
  1. From the directory that contains the installation program on the computer that you used to install the cluster, run the following command:

    $ ./openshift-install destroy cluster \
    --dir <installation_directory> --log-level info  (1) (2)
    1 For <installation_directory>, specify the path to the directory that you stored the installation files in.
    2 To view different details, specify warn, debug, or error instead of info.

    You must specify the directory that contains the cluster definition files for your cluster. The installation program requires the metadata.json file in this directory to delete the cluster.

  1. Optional: Delete the <installation_directory> directory and the OKD installation program.