data.azuread_service_principal: Support instantiating by client-id

[erlacherl-city]

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Description

Azure supports querying service principals by client id:

az ad sp show --id e4223c08-d7c1-40a2-810a-d3f83e9b99d9

The client id is also the only thing that the data.azure_kubernetes_cluster data provider surfaces for the service_principal.

The data.azuread_service_principal data provider only supports using display name, object id, and application name.

This means, there is no way to get from an existing aks cluster to the object id of its service principal.

New or Affected Resource(s)

• data.azuread_service_principal

Potential Terraform Configuration

data "azurerm_kubernetes_cluster" "my-cluster" {
    name = "myaks01"
    resource_group_name = data.azurerm_resource_group.somewhere.name
}

data "azuread_service_principal" "aks-sp" {
  client_id = data.azurem_kubernetes_cluster.my-cluster.service_principal[0].client_id
}

[manicminer]

Hi @erlacherl-city, thanks for requesting this! Good news - the azuread_service_principal data source happily supports this already. The attribute you want is application_id, which is just another name for client_id.

Additionally, we recently added support for the application_id (e.g. the client_id) argument to the azuread_application data source. This will be in our next release v0.11.0 - see #274

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

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