（400）通过ARM部署功能应用程序时出现错误请求

Question

希望有人可以告诉我此ARM模板部署在做什么。

使用问题底部的模板，我可以部署带有应用程序服务计划和存储帐户的功能应用程序，但是出现以下错误。

STATUS              BadRequest
PROVISIONING STATE  Failed
TIMESTAMP           4/19/2017, 1:33:00 PM
DURATION            1 second
TYPE                Microsoft.Web/sites/config
RESOURCE ID         /subscriptions/blah-blah-blah/resourceGroups/blah/providers/Microsoft.Web/sites/functionname/config/appsettings
STATUSMESSAGE       {
                        "Code": "BadRequest",
                        "Message": "There was a conflict. The remote server returned an error: (400) Bad Request.",
                        "Target": null,
                        "Details": [
                        {
                            "Message": "There was a conflict. The remote server returned an error: (400) Bad Request."
                        },
                        {
                            "Code": "BadRequest"
                        },
                        {
                            "ErrorEntity": {
                                "ExtendedCode": "01020",
                                "MessageTemplate": "There was a conflict. {0}",
                                "Parameters": [
                                    "The remote server returned an error: (400) Bad Request."
                                ],
                                "Code": "BadRequest",
                                "Message": "There was a conflict. The remote server returned an error: (400) Bad Request."
                            }
                        }],
                        "Innererror": null
                    }
RESOURCE            functionname/appsettings

如果我从模板的功能应用程序部分中删除此AppSetting属性，则部署工作正常。

"WEBSITE_CONTENTAZUREFILECONNECTIONSTRING": "[concat('DefaultEndpointsProtocol=https;AccountName=',parameters('Storage_Account_Name'),';AccountKey=',listKeys(resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name')),'2015-05-01-preview').key1)]",

但是，当我转到已部署的功能应用程序时，会出现此错误弹出窗口。

Error:

'WEBSITE_CONTENTAZUREFILECONNECTIONSTRING' application setting is missing from your app. This setting contains a connection string for an Azure Storage account that is used to host your functions content. Your app will be completely broken without this setting. You may need to delete and recreate this function app if you no longer have access to the value of that application setting.

我还注意到，如果在成功完成部署后尝试在门户中手动添加该appsetting，则会收到与初始部署相同的错误。

因此，我不知道是否将其错误地放置在模板中，或者功能应用程序的Azure部署中的某些内容是否损坏。

我要去哪里错了？

模板

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "App_Service_Plan_Name": {
            "defaultValue": "aspname",
            "type": "String"
        },
        "Functions_App_Name": {
            "defaultValue": "funcname",
            "type": "String"
        },
        "Storage_Account_Name": {
            "defaultValue": "storagename",
            "type": "String"
        }
    },
    "variables": {},
    "resources": [
        {
            "comments": "Deployed from template",
            "type": "Microsoft.Storage/storageAccounts",
            "name": "[parameters('Storage_Account_Name')]",
            "apiVersion": "2016-01-01",
            "sku": {
                "name": "Standard_LRS"
            },
            "location": "[resourceGroup().location]",
            "kind": "Storage"
        },
        {
            "comments": "Deployed from template",
            "type": "Microsoft.Web/serverfarms",
            "sku": {
                "name": "Y1",
                "tier": "Dynamic",
                "size": "Y1",
                "family": "Y",
                "capacity": 0
            },
            "kind": "functionapp",
            "name": "[parameters('App_Service_Plan_Name')]",
            "apiVersion": "2015-08-01",
            "location": "[resourceGroup().location]",
            "properties": {
                "name": "[parameters('App_Service_Plan_Name')]",
                "numberOfWorkers": 0
            },
            "dependsOn": []
        },
        {
            "comments": "Deployed from template",
            "type": "Microsoft.Web/sites",
            "kind": "functionapp",
            "name": "[parameters('Functions_App_Name')]",
            "apiVersion": "2015-08-01",
            "location": "[resourceGroup().location]",
            "properties": {
                "name": "[parameters('Functions_App_Name')]",
                "hostNames": [
                    "[concat(parameters('Functions_App_Name'),'.azurewebsites.net')]"
                ],
                "enabledHostNames": [
                    "[concat(parameters('Functions_App_Name'),'.azurewebsites.net')]",
                    "[concat(parameters('Functions_App_Name'),'.scm.azurewebsites.net')]"
                ],
                "hostNameSslStates": [
                    {
                        "name": "[concat(parameters('Functions_App_Name'),'.azurewebsites.net')]",
                        "sslState": 0,
                        "thumbprint": null,
                        "ipBasedSslState": 0
                    },
                    {
                        "name": "[concat(parameters('Functions_App_Name'),'.scm.azurewebsites.net')]",
                        "sslState": 0,
                        "thumbprint": null,
                        "ipBasedSslState": 0
                    }
                ],
                "serverFarmId": "[resourceId('Microsoft.Web/serverfarms', parameters('App_Service_Plan_Name'))]"
            },
            "dependsOn": [
                "[resourceId('Microsoft.Web/serverfarms', parameters('App_Service_Plan_Name'))]",
                "[resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name'))]"
            ],
            "resources": [
                {
                    "apiVersion": "2015-08-01",
                    "name": "appsettings",
                    "type": "config",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', parameters('Functions_App_Name'))]",
                        "[resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name'))]"
                    ],
                    "properties": {
                        "FUNCTIONS_EXTENSION_VERSION": "~1",
                        "AzureWebJobsDashboard": "[concat('DefaultEndpointsProtocol=https;AccountName=',parameters('Storage_Account_Name'),';AccountKey=',listKeys(resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name')),'2015-05-01-preview').key1)]",
                        "AzureWebJobsStorage": "[concat('DefaultEndpointsProtocol=https;AccountName=',parameters('Storage_Account_Name'),';AccountKey=',listKeys(resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name')),'2015-05-01-preview').key1)]",
                        "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING": "[concat('DefaultEndpointsProtocol=https;AccountName=',parameters('Storage_Account_Name'),';AccountKey=',listKeys(resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name')),'2015-05-01-preview').key1)]",
                        "WEBSITE_CONTENTSHARE": "[concat(parameters('Functions_App_Name'),'_files')]",
                        "WEBSITE_NODE_DEFAULT_VERSION": "6.5.0"
                    }
                },
                {
                    "apiVersion": "2015-08-01",
                    "name": "web",
                    "type": "config",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', parameters('Functions_App_Name'))]",
                        "[resourceId('Microsoft.Storage/storageAccounts', parameters('Storage_Account_Name'))]"
                    ],
                    "properties": {
                        "cors": {
                            "allowedOrigins": [
                                "[concat('https://',parameters('Storage_Account_Name'),'.blob.core.windows.net')]"
                            ]
                        }
                    }
                }
            ]
        }
    ]
}

Answer 1

因此，通常情况下，在花了大约一天的时间才尝试找出问题所在，然后再分解并求助于SO，然后我就立即找出问题所在。

问题不是WEBSITE_CONTENTAZUREFILECONNECTIONSTRING而是问题WEBSITE_CONTENTSHARE。其中带有下划线，并且存储帐户文件共享的命名约定中不允许使用下划线。

因此，请注意，当我看到类似冲突的错误...时，请考虑...使用命名约定，而不是...使用现有资源。

我还必须将3个Azure URL添加到CORS AllowedOrigins部分

"https://functions.azure.com",
"https://functions-staging.azure.com",
"https://functions-next.azure.com"