此位置不应使用模板函数“引用" [英] The template function 'reference' is not expected at this location

问题描述

我正在尝试使用Microsoft.Resources/deploymentScripts在模板中执行脚本，但是我也在同一模板中声明由用户分配的身份

I'm trying to execute a script in my template using Microsoft.Resources/deploymentScripts, but also I'm trying to declare de user assigned identity in the same template

{
    "type": "Microsoft.ManagedIdentity/userAssignedIdentities",
    "name": "scriptIdentity",
    "apiVersion": "2018-11-30",
    "location": "[resourceGroup().location]"
},
{
    "type": "Microsoft.Resources/deploymentScripts",
    "apiVersion": "2019-10-01-preview",
    "name": "updateAppServiceConfigMountPointScript",
    "dependsOn": [
        "[resourceId('Microsoft.Web/sites/config', parameters('appservice_name'), 'web')]",
        "[resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', 'scriptIdentity')]",
        "[resourceId('Microsoft.Storage/storageAccounts/blobServices', parameters('storageAccounts_name'), 'default')]"
    ],
    "location": "[resourceGroup().location]",
    "kind": "AzurePowerShell",
    "identity": {
        "type": "userAssigned",
        "userAssignedIdentities": {
            "principalId": "[reference(resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', 'scriptIdentity'), '2019-08-01', 'full').identity.principalId]",
            "clientId": "[reference(resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', 'scriptIdentity'), '2019-08-01', 'full').identity.clientId]"
        }
    },
    "properties": {
        "environmentVariables": [
            {
                "name": "account_name",
                "value": "[parameters('storageAccounts_name')]"
            },
            {
                "name": "app_name",
                "value": "[parameters('appservice_name')]"
            },
            {
                "name": "resource_group_name",
                "value": "[resourceGroup().name]"
            }
            
        ],
        "scriptContent": "$access_key = ((az storage account keys list --account-name $account_name) | ConvertFrom-JSON).value[0]; az webapp config storage-account add --name \\\"$app_name\\\" --resource-group \\\"$resource_group_name\\\" --custom-id \\\"frontend\\\" --storage-type \\\"AzureBlob\\\" --account-name \\\"stelckstorageaccount\\\" --share-name \\\"frontend\\\" --mount-path \\\"/home/site/wwwroot/frontend\\\" --access-key \\\"$access_key\\\"",
        "timeout": "PT1M",
        "cleanupPreference": "OnSuccess"
    }

模板在此部分中失败:

"userAssignedIdentities": {
    "principalId": "[reference(resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', 'scriptIdentity'), '2019-08-01', 'full').identity.principalId]",
    "clientId": "[reference(resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', 'scriptIdentity'), '2019-08-01', 'full').identity.clientId]"
}

出现以下错误:

部署模板验证失败:"930"行和"9"列的模板资源"updateAppServiceConfigMountPointScript"无效:在此位置不应使用模板函数"reference".有关使用详细信息，请参见 https://aka.ms/arm-template-expressions .有关用法的详细信息，请参见 https://aka.ms/arm-template-expressions ..(代码:InvalidTemplate)

Deployment template validation failed: 'The template resource 'updateAppServiceConfigMountPointScript' at line '930' and column '9' is not valid: The template function 'reference' is not expected at this location. Please see https://aka.ms/arm-template-expressions for usage details.. Please see https://aka.ms/arm-template-expressions for usage details.'. (Code: InvalidTemplate)

如何在没有引用功能的情况下引用部署脚本中的已分配身份?

相关:'Microsoft.Web/sites/config'azureStorageAccounts由于500内部错误而失败

推荐答案

使用身份的resourceId，例如

Use the resourceId of the identity, e.g.

"userAssignedIdentities": {
          "[resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', 'scriptIdentity')]": {}
}

请参见

See https://github.com/Azure/azure-quickstart-templates/blob/master/201-deployment-script-ssh-key-gen/azuredeploy.json for a full sample.

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