ARM 模板中使用内部变量或参数的 listKeys 问题

问题描述 投票：0回答：2

我正在为我的 Azure Functions 设置 ARM 模板。我有 

functions_app.json
，它将用作“主”模板，也将用于其他发布管道。

然后会有项目特定的参数模板，例如：

  • counter_function_arm.parameters.test.json
  • counter_function_arm.parameters.acceptance.json
  • weather_function_arm.parameters.test.json

等等

但我被困在这部分，它在 

functions_app.json
模板内创建实际的函数资源：

"resources": [
{
    "apiVersion": "2018-11-01",
    "name": "[variables('resourceName')]",
    "type": "Microsoft.Web/sites",
    "properties": {
        "name": "[variables('resourceName')]",
        "siteConfig": {
            "appSettings": [
                {
                    "name": "FUNCTIONS_EXTENSION_VERSION",
                    "value": "~4"
                },
                {
                    "name": "FUNCTIONS_WORKER_RUNTIME",
                    "value": "dotnet"
                },
                {
                    "name": "AzureWebJobsStorage",
                    "value": "[concat('DefaultEndpointsProtocol=https;AccountName=',variables('storageAccountName'),';AccountKey=',listKeys(resourceId('xxxx-xxxx','MyResourceGroup','Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value,';EndpointSuffix=','core.windows.net')]"
                },
                {
                    "name": "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING",
                    "value": "[concat('DefaultEndpointsProtocol=https;AccountName=',variables('storageAccountName'),';AccountKey=',listKeys(resourceId('xxxx-xxxx','MyResourceGroup','Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value,';EndpointSuffix=','core.windows.net')]"
                },
                {
                    "name": "WEBSITE_CONTENTSHARE",
                    "value": "[toLower(variables('resourceName'))]"
                }
            ]
        }
    }
}

为了简洁起见，我省略了一些内容。导入部分是

appSettings
部分。

我最初的想法是将

array
放入
variables
。这些将是“默认”设置。然后，从我的 
counter_function_arm.parameters.test.json
文件中，我将添加另一个特定于该应用程序的数组，然后 
union
将这两个组合在一起，以便配置所有 
AppSettings
。

类似这样的：

counter_function_arm.parameters.test.json

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "customAppSettings":{
            "value": [
                {
                    "name": "CustomProperty",
                    "value": "some value"
                }
            ]
        }
    }
}

functions_app.json

"variables": {
    "defaultAppSettings": [
                {
                    "name": "FUNCTIONS_EXTENSION_VERSION",
                    "value": "~4"
                },
                {
                    "name": "FUNCTIONS_WORKER_RUNTIME",
                    "value": "dotnet"
                },
                {
                    "name": "AzureWebJobsStorage",
                    "value": "[concat('DefaultEndpointsProtocol=https;AccountName=',variables('storageAccountName'),';AccountKey=',listKeys(resourceId('xxxx-xxxx','MyResourceGroup','Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value,';EndpointSuffix=','core.windows.net')]"
                },
                {
                    "name": "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING",
                    "value": "[concat('DefaultEndpointsProtocol=https;AccountName=',variables('storageAccountName'),';AccountKey=',listKeys(resourceId('xxxx-xxxx','MyResourceGroup','Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value,';EndpointSuffix=','core.windows.net')]"
                },
                {
                    "name": "WEBSITE_CONTENTSHARE",
                    "value": "[toLower(variables('resourceName'))]"
                }
            ]
},
"resources": [
{
    "apiVersion": "2018-11-01",
    "name": "[variables('resourceName')]",
    "type": "Microsoft.Web/sites",
    "properties": {
        "name": "[variables('resourceName')]",
        "siteConfig": {
            "appSettings": "[union(variables('defaultAppSettings'), parameters('customAppSettings'))]"
        }
    }
}

所以在这种情况下，我将变量 

union
和 
variables('defaultAppSettings')
放在一起。
但是，问题是我不能在
parameters('customAppSettings')
部分使用
listKeys
。我也无法将其移至 
variables
 部分并将其设置为 
parameters
，因为那里也不允许 
defaultValue
。
向 
listKeys
 添加硬编码数组也不起作用：
union


所以我没有主意了。


有办法做到这一点吗？

    





    
    azure-devops
    
    azure-resource-manager
    
    azure-rm-template
    
    
2个回答

    

      
      
      

        

          

            

              
2
投票

              

            

          

        

        


"appSettings": "[union([1,2,3], parameters('customAppSettings'))]"



遗憾的是，这是我能想到的最好的方法，它很容易出现语法错误，但如果您使用
多行字符串
，您可以以某种方式对其进行格式化以避免错误（但如果您使用Azure DevOps 不兼容）。
编辑：
还有另一种方法可以完成此任务，可能更适合您，那就是使用 linkedTemplate :


主模板


"resources": [
    {
        "apiVersion": "2018-11-01",
        "name": "[variables('resourceName')]",
        "type": "Microsoft.Web/sites",
        "properties": {
            "name": "[variables('resourceName')]",
            "siteConfig": {
                "appSettings": "[union(variables('staticAppSettings'), parameters('customAppSettings'), json(concat('[{\"name\": \"AzureWebJobsStorage\",\"value\": \"', concat('DefaultEndpointsProtocol=https;AccountName=', parameters('azureFunctionParameters').functionStorageName,';AccountKey=', listKeys(resourceId(parameters('azureFunctionParameters').mainStorageResourceGroup, 'Microsoft.Storage/storageAccounts', parameters('azureFunctionParameters').functionStorageName), '2021-08-01').keys[1].value, ';EndpointSuffix=core.windows.net'),'\"}]')))]"
            }
        }
    }
]



在baseazurefunction.json linkedTemplate中你可以使用


"resources": [
    {
        "type": "Microsoft.Resources/deployments",
        "apiVersion": "2021-04-01",
        "name": "yourResourceDeployment",
        "properties": {
            "mode": "Incremental",
            "templateLink": {
                "uri": "[concat(parameters('blobBaseUrl'), '/', parameters('resourceGroupName'), '/azurefunctions/baseazurefunction.json')]",
                "contentVersion": "1.0.0.0"
            },
            "parameters": {
                "azureFunctionParameters": {
                    "value": "[parameters('baseAzureFunctionParameters')]"
                },
                "appSettings": {
                    "value" : "[union(variables('staticAppSettings'), parameters('customAppSettings'))]"
                },
                "someMoreAppSettings": {
                    "value" : [
                        {
                            "name": "AzureWebJobsStorage",
                            "value": "[concat('DefaultEndpointsProtocol=https;AccountName=',variables('storageAccountName'),';AccountKey=',listKeys(resourceId('xxxx-xxxx','MyResourceGroup','Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value,';EndpointSuffix=','core.windows.net')]"
                        },
                        {
                            "name": "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING",
                            "value": "[concat('DefaultEndpointsProtocol=https;AccountName=',variables('storageAccountName'),';AccountKey=',listKeys(resourceId('xxxx-xxxx','MyResourceGroup','Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value,';EndpointSuffix=','core.windows.net')]"
                        }
                    ]
                }
            }
        }
    }
]



如果您对将连接字符串作为参数发送到其他模板有安全顾虑，您可以将您的应用程序设置包装在一个安全对象中，其中包含一个名为 array 的属性，该属性将包含您的所有设置，然后像这样使用它


{
    "apiVersion": "2018-11-01",
    "name": "[variables('resourceName')]",
    "type": "Microsoft.Web/sites",
    "properties": {
        "name": "[variables('resourceName')]",
        "siteConfig": {
            "appSettings": "[union(parameters('appSettings'), parameters('moreAppSettings'))]"
        }
    }
}


    



      

      
      
      

      

        

          

            

              
0
投票

              
            

          

        

        
Azure DevOps 部署
一起使用。
这就是我如何组合三个数组，包括函数应用程序的 WEBSITE_CONTENTAZUREFILECONNECTIONSTRING 和 AzureWebJobsStorage 设置。


    "appSettings": {
        "type": "secureobject",
        "metadata": {
            "description": "Secure object with an array property which contains the appsettings"
        }
    },
    "moreAppSettings": {
        "type": "secureobject",
        "metadata": {
            "description": "Secure object with an array property which contains more appsettings"
        }
    }

    .
    .
    .

    "appSettings": "[union(parameters('appSettings').array, parameters('moreAppSettings').array)]"



希望这可以帮助那里的人。

    



      

      
    

  

  

    
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