Azure CLI allows you to upgrade the .NET version to 10 on a Linux Consumption Function App using the CLI when this is only supported in Flex. #32523
Description
Describe the bug
Create a function app in Linux consumption – dot net 8
Run the cli command below
system [ ~ ]$ az functionapp config set --name FALinuxY1 --resource-group testSK --linux-fx-version "DOTNET-ISOLATED|10.0"
{
"acrUseManagedIdentityCreds": false,
"acrUserManagedIdentityId": null,
"alwaysOn": false,
"apiDefinition": null,
"apiManagementConfig": null,
"appCommandLine": "",
"appSettings": null,
"autoHealEnabled": false,
"autoHealRules": null,
"autoSwapSlotName": null,
"azureStorageAccounts": {},
"connectionStrings": null,
"cors": {
"allowedOrigins": [
https://portal.azure.com/
],
"supportCredentials": false
},
"defaultDocuments": [
"Default.htm",
"Default.html",
"Default.asp",
"index.htm",
"index.html",
"iisstart.htm",
"default.aspx",
"index.php"
],
"detailedErrorLoggingEnabled": false,
"documentRoot": null,
"elasticWebAppScaleLimit": null,
"experiments": {
"rampUpRules": []
},
"ftpsState": "FtpsOnly",
"functionAppScaleLimit": 200,
"functionsRuntimeScaleMonitoringEnabled": false,
"handlerMappings": null,
"healthCheckPath": null,
"http20Enabled": false,
"http20ProxyFlag": 0,
"httpLoggingEnabled": false,
"id": "/subscriptions/f8d67923-d196-4541-bce2-74e00ada71ce/resourceGroups/testSK/providers/Microsoft.Web/sites/FALinuxY1",
"ipSecurityRestrictions": [
{
"action": "Allow",
"description": "Allow all access",
"headers": null,
"ipAddress": "Any",
"name": "Allow all",
"priority": 2147483647,
"subnetMask": null,
"subnetTrafficTag": null,
"tag": null,
"vnetSubnetResourceId": null,
"vnetTrafficTag": null
}
],
"ipSecurityRestrictionsDefaultAction": null,
"javaContainer": null,
"javaContainerVersion": null,
"javaVersion": null,
"keyVaultReferenceIdentity": null,
"kind": null,
"limits": null,
"linuxFxVersion": "DOTNET-ISOLATED|10.0",
"loadBalancing": "LeastRequests",
"localMySqlEnabled": false,
"location": "Canada Central",
"logsDirectorySizeLimit": 35,
"machineKey": null,
"managedPipelineMode": "Integrated",
"managedServiceIdentityId": null,
"metadata": null,
"minTlsCipherSuite": null,
"minTlsVersion": "1.2",
"minimumElasticInstanceCount": 1,
"name": "FALinuxY1",
"netFrameworkVersion": "v10.0",
"nodeVersion": "",
"numberOfWorkers": 1,
"phpVersion": "",
"powerShellVersion": "",
"preWarmedInstanceCount": 0,
"publicNetworkAccess": "Enabled",
"publishingUsername": "REDACTED",
"push": null,
"pythonVersion": "",
"remoteDebuggingEnabled": false,
"remoteDebuggingVersion": "VS2022",
"requestTracingEnabled": false,
"requestTracingExpirationTime": null,
"resourceGroup": "testSK",
"scmIpSecurityRestrictions": [
{
"action": "Allow",
"description": "Allow all access",
"headers": null,
"ipAddress": "Any",
"name": "Allow all",
"priority": 2147483647,
"subnetMask": null,
"subnetTrafficTag": null,
"tag": null,
"vnetSubnetResourceId": null,
"vnetTrafficTag": null
}
],
"scmIpSecurityRestrictionsDefaultAction": null,
"scmIpSecurityRestrictionsUseMain": false,
"scmMinTlsVersion": "1.2",
"scmType": "None",
"tags": {
"SecurityControl": "Ignore",
"hidden-link: /app-insights-resource-id": "/subscriptions/f8d67923-d196-4541-bce2-74e00ada71ce/resourceGroups/testSK/providers/microsoft.insights/components/FALinuxY1"
},
"tracingOptions": null,
"type": "Microsoft.Web/sites",
"use32BitWorkerProcess": false,
"virtualApplications": [
{
"physicalPath": "site\\wwwroot",
"preloadEnabled": false,
"virtualDirectories": null,
"virtualPath": "/"
}
],
"vnetName": "",
"vnetPrivatePortsCount": 0,
"vnetRouteAllEnabled": false,
"webSocketsEnabled": false,
"websiteTimeZone": null,
"windowsFxVersion": null,
"xManagedServiceIdentityId": null
}
Dot net version will be upgraded in stack settings to 10 and app goes down
Ask/Suggestion
When we execute the CLI command to upgrade the .NET version to 10, it should return an error indicating that this version is not supported, as stated in the official documentation.
Ref: Guide for running C# Azure Functions in an isolated worker process | Microsoft Learn
Related command
az functionapp config set --name FALinuxY1 --resource-group testSK --linux-fx-version "DOTNET-ISOLATED|10.0"
Errors
No Errors are returned
Issue script & Debug output
N/A
Expected behavior
Linux Consumption shouldn't allow .NET 10
Environment Summary
N/A
Additional context
Nothing