Azure Service Catalog应用程序访问不同的资源组

问题描述

我有一个通过ARM模板定义的服务目录托管应用程序。在模板内部，我创建了一个Linux VM，并运行一个自定义脚本，该脚本从现有的Azure Blob存储中下载所需的文件并启动我的应用。

我想使用RBAC授予对现有Blob存储的访问权限，以便在模板内未指定任何访问密钥或令牌，并且部署受管应用程序的用户无需输入任何密钥或令牌。

因此，我在虚拟机上具有以下角色分配以访问不同的资源组，这是从answer那里汲取灵感的

{
        "type": "Microsoft.Resources/deployments","name": "nested-role-assignment","apiVersion": "2017-05-10","resourceGroup": "myResourceGroup","subscriptionId": "[subscription().subscriptionId]","dependsOn": [
            "[concat('Microsoft.Compute/virtualMachines/',variables('vmName'))]"
        ],"properties": {
            "mode": "Incremental","template": {
                "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#","contentVersion": "1.0.0.0","resources": [
                    {
                        "apiVersion": "2018-01-01-preview","type": "Microsoft.Storage/storageAccounts/providers/roleAssignments","name": "[concat('myStorageAccount','/Microsoft.Authorization/',guid(subscription().subscriptionId,'foo'))]","properties": {
                            "roleDeFinitionId": "[variables('StorageBlobContributor')]","principalId": "[reference(resourceId('Microsoft.Compute/virtualMachines',variables('vmName')),'2019-12-01','Full').identity.principalId]","scope": "[concat('/subscriptions/',subscription().subscriptionId,'/resourceGroups/myResourceGroup/providers/Microsoft.Storage/storageAccounts/myStorageAccount')]"
                        }
                    }
                ]
            }
        }
    }

当我使用以天蓝色门户网站全局管理员身份登录的CLI部署托管应用程序时，此方法有效。

创建托管应用程序定义并以Azure AD用户身份从Service Catalog部署应用程序时，出现错误-

{
    "code": "DeploymentFailed","message": "At least one resource deployment operation Failed. Please list deployment operations for details. Please see https://aka.ms/DeployOperations for usage details.","details": [
        {
            "code": "Conflict","message": "{\r\n \"status\": \"Failed\",\r\n \"error\": {\r\n \"code\": \"ResourceDeploymentFailure\",\r\n \"message\": \"The resource operation completed with terminal provisioning state 'Failed'.\",\r\n \"details\": [\r\n {\r\n \"code\": \"ApplianceDeploymentFailed\",\r\n \"message\": \"The operation to create appliance Failed. Please check operations of deployment 'managed-app' under resource group '/subscriptions/<subscr-id>/resourceGroups/<managed-rg>'. Error message: 'At least one resource deployment operation Failed. Please list deployment operations for details. Please see https://aka.ms/DeployOperations for usage details.'\",\r\n \"details\": [\r\n {\r\n \"code\": \"BadRequest\",\r\n \"message\": \"{\\r\\n \\\"error\\\": {\\r\\n \\\"code\\\": \\\"InvalidTemplateDeployment\\\",\\r\\n \\\"message\\\": \\\"The template deployment Failed with error: 'Authorization Failed for template resource 'myResourceGroup/Microsoft.Authorization/<some-id>' of type 'Microsoft.Storage/storageAccounts/providers/roleAssignments'. The client '<client-id>' with object id '<client-id>' does not have permission to perform action 'Microsoft.Authorization/roleAssignments/write' at scope '/subscriptions/<subscr-id>/resourceGroups/myResourceGroup/providers/Microsoft.Storage/storageAccounts/myStorageAccount/providers/Microsoft.Authorization/roleAssignments/<some-id>'.'.\\\"\\r\\n }\\r\\n}\"\r\n }\r\n ]\r\n }\r\n ]\r\n }\r\n}"
        }
    ]
}

表示客户端ID无权执行操作“ Microsoft.Authorization / roleAssignments / write”。我找不到此处的client-id代表什么。

为对此进行分类，我为用户分配了“所有者”角色，以便它可以“编写”角色分配，但这没有帮助。收到相同的错误。

Azure AD用户不能在其他资源组中编写角色分配是很有意义的。在那种情况下，这里正确的解决方案是什么？

总而言之，我如何使用Arm模板授予对Service Catalog应用程序创建的VM的访问权限，以便它可以从现有Blob存储中下载文件（使用RBAC）？

-编辑-

我以前使用的是“系统分配的”身份，但是我需要一个“用户分配的”身份。在此guide之后，我创建了一个用户分配的身份（在门户中），并授予它对我的Blob存储的访问权限。然后，我更新了createUiDeFinition，以在部署托管应用程序时选择身份。上面提到的错误消失了，但是身份没有分配给新创建的VM。

我尝试通过--

为mainTemplate中的VM分配身份

"type": "Microsoft.Compute/virtualMachines","apiVersion": "2018-10-01","name": "[variables('vmName')]","location": "[parameters('location')]","dependsOn": [
        "[resourceId('Microsoft.Network/networkInterfaces',variables('networkInterfaceName'))]"
      ],"identity": {
          "type": "UserAssigned","userAssignedIdentities": {
              "[variables('userAssignedIdentity')]": {}
          }
      },

但是会产生与以前类似的错误-

"The client 'some-id' with object id 'some-id' has permission to perform action 'Microsoft.Compute/virtualMachines/write' 
on scope '/subscriptions/subscr-id/resourcegroups/mrg-20200827143250/providers/Microsoft.Compute/virtualMachines/new-vm'; 
however,it does not have permission to perform action 
'Microsoft.ManagedIdentity/userAssignedIdentities/assign/action' 
on the linked scope(s) '/subscriptions/subscr-id/resourceGroups/myResourceGroup/providers/Microsoft.ManagedIdentity/userAssignedIdentities/my-user-identity' or the linked scope(s) are invalid.

我创建的托管应用程序的授权为“所有者”和“托管身份提供者”，并且还以具有“所有者”角色但仍然没有运气的用户身份登录。

解决方法

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arm-template azure azure azure azure-managed-app