通过 ARM 部署为 Azure Logic Apps Managed Identity 分配一个角色？

Question

在 azure 中：在尝试为逻辑应用程序系统分配托管标识角色时 starting/stopping 虚拟机我收到以下错误消息：

Error: authorization.RoleAssignmentsClient#Create: Failure responding to request: StatusCode=400 -- Original Error: autorest/azure: Service returned an error. Status=400 Code="PrincipalNotFound" Message="Principal xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx does not exist in the directory xxxxx-x-x-x-xxxx."

我的假设是，当模板输出时我没有得到正确的 ID

"[reference(resourceId('Microsoft.Logic/workflows/', 'scheduledvmdown'), '2019-05-01', 'Full').Identity.tenantId]"

terraform 模板部署输出应该用作角色分配的输入principal_id。

我使用 Terraform 部署逻辑应用程序模板，如下所示：

    resource "azurerm_template_deployment" "myterraformscheduledvmdown" {
  name                = "scheduledvmdown"
  resource_group_name = "j14t23resources"

  template_body = <<DEPLOY

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
...
    "resources": [
        {
            "type": "Microsoft.Logic/workflows",
            "apiVersion": "2019-05-01",
            "name": "scheduledvmdown",
            "location": "westus2",
            "identity": {
                "type": "SystemAssigned"
            },
            "properties": 
...

    ],
    "outputs": {
        "appid": {
            "type": "string",
            "value": "[reference(resourceId('Microsoft.Logic/workflows/', 'scheduledvmdown'), '2019-05-01', 'Full').Identity.tenantId]"
...
DEPLOY

  parameters = {
  }

  deployment_mode = "Incremental"
}

output "appid" {
  value = "${lookup(azurerm_template_deployment.myterraformscheduledvmdown.outputs, "appid")}"
}

resource "azurerm_role_assignment" "scheduletovmdown" {
  scope                = azurerm_linux_virtual_machine.myterraformvm.id
  role_definition_name = "Virtual Machine Contributor"
  principal_id         = azurerm_template_deployment.myterraformscheduledvmdown.outputs["appid"]
}

Answer 1

对，应该是principalId，不是tenantId：

"[reference(resourceId('Microsoft.Logic/workflows/', 'scheduledvmdown'), '2019-05-01', 'Full').Identity.principalId]"

通过 ARM 部署为 Azure Logic Apps Managed Identity 分配一个角色？

Assign an Azure Logic Apps Managed Identity a role with terraform via ARM Deployment?

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