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Configure Open OnDemand with CycleCloud

Open OnDemand is a web-based interface that provides a user-friendly way to interact with the Slurm cluster deployed by Azure CycleCloud. Azure CycleCloud automatically installs and configures Open OnDemand when you deploy Azure CycleCloud Workspace for Slurm, but you need to run a few steps manually.

Update settings for Microsoft Entra ID authentication

The Open OnDemand front end uses Open ID Connect (OIDC) for authentication. The OIDC provider is a Microsoft Entra ID application that you register specifically for this purpose (see How to register a Microsoft Entra ID application for Open OnDemand Authentication). The following steps describe how to update the settings for Microsoft Entra ID authentication.

Browse to the CycleCloud web portal, select the OpenOnDemand cluster, and select Edit. This selection opens the cluster template definition.

  1. Select Advanced settings,

  2. Leave FQDN empty,

  3. Set the Client ID to the registered application ID,

  4. Set the user domain to the enterprise domain,

  5. Set the Tenant ID to the tenant for the application registration,

  6. Manually set the managed identity to the one named /ccwOpenOnDemandManagedIdentity.

    Note

    This value doesn't appear at first due to a UI bug, so you need to set it again when editing the template.

Select Save, then Start Cluster, and wait for the Open OnDemand virtual machine to be ready.

Screenshot of Open OnDemand cluster configuration.

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