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azure-functions - 无法在 Azure Function App 或 Azure Function 中创建应用密钥：遇到来自主机运行时的错误 (InternalServerError)

问题描述

我使用 ARM 模板创建了一个 Azure 函数应用。函数应用具有系统分配的标识。身份具有对密钥保管库中的密钥、机密和证书具有获取/列表权限的访问策略。我还尝试了另外创建/更新权限。但它并没有解决问题。

当我尝试创建功能键时，我在 Web 门户中收到以下错误消息： Creating host key Failed to create <key name>: Encountered an error (InternalServerError) from host runtime.

这是函数的模板（来自导出模板）：

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "function_app_name": {
            "defaultValue": "test-fct-app",
            "type": "String"
        },
        "app_service_plan_id": {
            "defaultValue": "/subscriptions/<subscription_id>/resourceGroups/<rg-name>/providers/Microsoft.Web/serverfarms/<app-service-plan-name>",
            "type": "String"
        },
        "vnet_id": {
            "defaultValue": "/subscriptions/<subscription_id>/resourceGroups/<rg-name>/providers/Microsoft.Network/virtualNetworks/<subnet-name>",
            "type": "String"
        }
    },
    "variables": {},
    "resources": [
        {
            "type": "Microsoft.Web/sites",
            "apiVersion": "2018-11-01",
            "name": "[parameters('function_app_name')]",
            "location": "Germany West Central",
            "kind": "functionapp",
            "identity": {
                "type": "SystemAssigned"
            },
            "properties": {
                "enabled": true,
                "hostNameSslStates": [
                    {
                        "name": "[concat(parameters('function_app_name'), '.azurewebsites.net')]",
                        "sslState": "Disabled",
                        "hostType": "Standard"
                    },
                    {
                        "name": "[concat(parameters('function_app_name'), '.scm.azurewebsites.net')]",
                        "sslState": "Disabled",
                        "hostType": "Repository"
                    }
                ],
                "serverFarmId": "[parameters('app_service_plan_id')]",
                "reserved": false,
                "isXenon": false,
                "hyperV": false,
                "siteConfig": {},
                "scmSiteAlsoStopped": false,
                "clientAffinityEnabled": false,
                "clientCertEnabled": false,
                "hostNamesDisabled": false,
                "containerSize": 1536,
                "dailyMemoryTimeQuota": 0,
                "httpsOnly": false,
                "redundancyMode": "None"
            }
        },
        {
            "type": "Microsoft.Web/sites/config",
            "apiVersion": "2018-11-01",
            "name": "[concat(parameters('function_app_name'), '/web')]",
            "location": "Germany West Central",
            "dependsOn": [
                "[resourceId('Microsoft.Web/sites', parameters('function_app_name'))]"
            ],
            "properties": {
                "numberOfWorkers": 1,
                "defaultDocuments": [
                    "Default.htm",
                    "Default.html",
                    "Default.asp",
                    "index.htm",
                    "index.html",
                    "iisstart.htm",
                    "default.aspx",
                    "index.php"
                ],
                "netFrameworkVersion": "v4.0",
                "phpVersion": "5.6",
                "requestTracingEnabled": false,
                "remoteDebuggingEnabled": false,
                "remoteDebuggingVersion": "VS2019",
                "httpLoggingEnabled": false,
                "logsDirectorySizeLimit": 35,
                "detailedErrorLoggingEnabled": false,
                "publishingUsername": "[concat('$', parameters('function_app_name'))]",
                "azureStorageAccounts": {},
                "scmType": "LocalGit",
                "use32BitWorkerProcess": false,
                "webSocketsEnabled": false,
                "alwaysOn": false,
                "javaVersion": "1.8",
                "managedPipelineMode": "Integrated",
                "virtualApplications": [
                    {
                        "virtualPath": "/",
                        "physicalPath": "site\\wwwroot",
                        "preloadEnabled": false
                    }
                ],
                "loadBalancing": "LeastRequests",
                "experiments": {
                    "rampUpRules": []
                },
                "autoHealEnabled": false,
                "vnetName": "8059ef61-4a93-4b13-bba1-e2a782a07360_function-subnet",
                "cors": {
                    "allowedOrigins": [
                        "https://functions.azure.com",
                        "https://functions-staging.azure.com",
                        "https://functions-next.azure.com"
                    ],
                    "supportCredentials": false
                },
                "localMySqlEnabled": false,
                "managedServiceIdentityId": 2290,
                "ipSecurityRestrictions": [
                    {
                        "ipAddress": "Any",
                        "action": "Allow",
                        "priority": 1,
                        "name": "Allow all",
                        "description": "Allow all access"
                    }
                ],
                "scmIpSecurityRestrictions": [
                    {
                        "ipAddress": "Any",
                        "action": "Allow",
                        "priority": 1,
                        "name": "Allow all",
                        "description": "Allow all access"
                    }
                ],
                "scmIpSecurityRestrictionsUseMain": false,
                "http20Enabled": false,
                "minTlsVersion": "1.2",
                "ftpsState": "AllAllowed",
                "reservedInstanceCount": 0
            }
        },
        {
            "type": "Microsoft.Web/sites/hostNameBindings",
            "apiVersion": "2018-11-01",
            "name": "[concat(parameters('function_app_name'), '/', parameters('function_app_name'), '.azurewebsites.net')]",
            "location": "Germany West Central",
            "dependsOn": [
                "[resourceId('Microsoft.Web/sites', parameters('function_app_name'))]"
            ],
            "properties": {
                "siteName": "[parameters('function_app_name')]",
                "hostNameType": "Verified"
            }
        },
        {
            "type": "Microsoft.Web/sites/virtualNetworkConnections",
            "apiVersion": "2018-11-01",
            "name": "[concat(parameters('function_app_name'), '/8059ef61-4a93-4b13-bba1-e2a782a07360_function-subnet')]",
            "location": "Germany West Central",
            "dependsOn": [
                "[resourceId('Microsoft.Web/sites', parameters('function_app_name'))]"
            ],
            "properties": {
                "vnetResourceId": "[concat(parameters('vnet_id'), '/subnets/function-subnet')]",
                "isSwift": true
            }
        }
    ]
}

标签： azure-functionsazure-function-app

解决方案

如果您的函数在启动时失败，Azure 门户中将不会正确显示任何内容。您将无法对此 Azure 函数执行任何操作。

尝试在你的模拟器中运行这个函数，看看你是否遇到任何错误。

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