[BUG] Microsoft.AzureStackHCI/clusters does not support user assigned identity as specified

[teowa]

API Spec link

azure-rest-api-specs/specification/azurestackhci/resource-manager/Microsoft.AzureStackHCI/stable/2024-01-01/clusters.json

Line 163 in 475747f

"operationId": "Clusters_Create",

API Spec version

2023-08-01, 2024-01-01

Describe the bug

According to swagger, UserAssigned should be supported for identity, but accually API does not.

azure-rest-api-specs/specification/azurestackhci/resource-manager/Microsoft.AzureStackHCI/stable/2024-01-01/clusters.json

Line 492 in 475747f

"$ref": "../../../../../common-types/resource-management/v4/managedidentity.json#/definitions/ManagedServiceIdentity",

azure-rest-api-specs/specification/common-types/resource-management/v4/managedidentity.json

Lines 35 to 75 in 475747f

	"ManagedServiceIdentityType": {
	"description": "Type of managed service identity (where both SystemAssigned and UserAssigned types are allowed).",
	"enum": [
	"None",
	"SystemAssigned",
	"UserAssigned",
	"SystemAssigned, UserAssigned"
	],
	"type": "string",
	"x-ms-enum": {
	"name": "ManagedServiceIdentityType",
	"modelAsString": true
	}
	},
	"ManagedServiceIdentity": {
	"description": "Managed service identity (system assigned and/or user assigned identities)",
	"type": "object",
	"properties": {
	"principalId": {
	"readOnly": true,
	"format": "uuid",
	"type": "string",
	"description": "The service principal ID of the system assigned identity. This property will only be provided for a system assigned identity."
	},
	"tenantId": {
	"readOnly": true,
	"format": "uuid",
	"type": "string",
	"description": "The tenant ID of the system assigned identity. This property will only be provided for a system assigned identity."
	},
	"type": {
	"$ref": "#/definitions/ManagedServiceIdentityType"
	},
	"userAssignedIdentities": {
	"$ref": "#/definitions/UserAssignedIdentities"
	}
	},
	"required": [
	"type"
	]
	},

Expected behavior

The API should support UserAssigned for identity.

Actual behavior

The API does not support UserAssigned for identity.

Reproduction Steps

PUT https://management.azure.com/subscriptions/xxx/resourceGroups/wt-hcitest/providers/Microsoft.AzureStackHCI/clusters/cluster?api-version=2024-01-01

{
    "type": "microsoft.azurestackhci/clusters",
    "location": "eastus",
    "identity": {
        "type": "UserAssigned",
        "userAssignedIdentities":{
            "/subscriptions/xxx/resourceGroups/wt-hcitest/providers/Microsoft.ManagedIdentity/userAssignedIdentities/wt-uai":{}
        }
    },
    "properties": {
    }
}

400 Bad Request
x-ms-request-id df3d1ef8-177b-431f-a8c2-08951bc36c3e
x-ms-correlation-request-id df3d1ef8-177b-431f-a8c2-08951bc36c3e

{
    "error": {
        "code": "CannotSetResourceIdentity",
        "message": "Resource type 'Microsoft.AzureStackHCI/clusters' does not support creation of 'UserAssigned' resource identity. The supported types are 'SystemAssigned'."
    }
}

Environment

postman

[zzhxiaofeng]

@pathuang-sia Please help have a look, thank you.

[pathuang-sia]

@priyjain358 Would you mind taking a closer look at this one? It pertains to the cluster resource