Upgrade sample v4 in-process functions to .NET 8

.github/workflows/build.yml

@@ -59,7 +59,7 @@ jobs:
           sudo apt-get install azure-functions-core-tools-4
           func version
           # See https://github.com/Azure/azure-functions-core-tools/issues/3766
-          sudo chmod +x /usr/lib/azure-functions-core-tools-4/in-proc6/func
+          sudo chmod +x /usr/lib/azure-functions-core-tools-4/in-proc8/func
       - name: Build
         id: build
         run: |

.nuke/build.schema.json

@@ -1,19 +1,65 @@
 {
   "$schema": "http://json-schema.org/draft-04/schema#",
-  "$ref": "#/definitions/build",
-  "title": "Build Schema",
   "definitions": {
-    "build": {
-      "type": "object",
+    "Host": {
+      "type": "string",
+      "enum": [
+        "AppVeyor",
+        "AzurePipelines",
+        "Bamboo",
+        "Bitbucket",
+        "Bitrise",
+        "GitHubActions",
+        "GitLab",
+        "Jenkins",
+        "Rider",
+        "SpaceAutomation",
+        "TeamCity",
+        "Terminal",
+        "TravisCI",
+        "VisualStudio",
+        "VSCode"
+      ]
+    },
+    "ExecutableTarget": {
+      "type": "string",
+      "enum": [
+        "AppInsightsConnectionStringIntegrationTest",
+        "Clean",
+        "Compile",
+        "GenerateCoverage",
+        "IntegrationTest",
+        "Pack",
+        "PublishFunctions",
+        "Restore",
+        "RestoreAppInsightsConnectionStringUserSecrets",
+        "RestoreUserSecrets",
+        "SetAppInsightsConnectionStringIntegrationTestUserSecrets",
+        "SetGitHubVersion",
+        "SetIntegrationTestUserSecrets",
+        "SetShouldWeRunIntegrationTests",
+        "StartAppInsightsConnectionStringIntegrationTestAzureFunctions",
+        "StartIntegrationTestAzureFunctions",
+        "StopAppInsightsConnectionStringIntegrationTestAzureFunctions",
+        "StopIntegrationTestAzureFunctions",
+        "UnitTest",
+        "VerifyFormat",
+        "WriteAppInsightsConnectionStringIntegrationTestAzureFunctionLogs",
+        "WriteIntegrationTestAzureFunctionLogs"
+      ]
+    },
+    "Verbosity": {
+      "type": "string",
+      "description": "",
+      "enum": [
+        "Verbose",
+        "Normal",
+        "Minimal",
+        "Quiet"
+      ]
+    },
+    "NukeBuild": {
       "properties": {
-        "Configuration": {
-          "type": "string",
-          "description": "Configuration to build - Default is 'Debug' (local) or 'Release' (server)",
-          "enum": [
-            "Debug",
-            "Release"
-          ]
-        },
         "Continue": {
           "type": "boolean",
           "description": "Indicates to continue a previously failed build attempt"
@@ -23,37 +69,13 @@
           "description": "Shows the help text for this build assembly"
         },
         "Host": {
-          "type": "string",
           "description": "Host for execution. Default is 'automatic'",
-          "enum": [
-            "AppVeyor",
-            "AzurePipelines",
-            "Bamboo",
-            "Bitbucket",
-            "Bitrise",
-            "GitHubActions",
-            "GitLab",
-            "Jenkins",
-            "Rider",
-            "SpaceAutomation",
-            "TeamCity",
-            "Terminal",
-            "TravisCI",
-            "VisualStudio",
-            "VSCode"
-          ]
-        },
-        "IntegrationTestServiceBusConnectionString": {
-          "type": "string"
+          "$ref": "#/definitions/Host"
         },
         "NoLogo": {
           "type": "boolean",
           "description": "Disables displaying the NUKE logo"
         },
-        "Package": {
-          "type": "boolean",
-          "description": "Whether we publish the sample Functions to file system - Default is false"
-        },
         "Partition": {
           "type": "string",
           "description": "Partition to use on CI"
@@ -77,79 +99,49 @@
           "type": "array",
           "description": "List of targets to be skipped. Empty list skips all dependencies",
           "items": {
-            "type": "string",
-            "enum": [
-              "AppInsightsConnectionStringIntegrationTest",
-              "Clean",
-              "Compile",
-              "GenerateCoverage",
-              "IntegrationTest",
-              "Pack",
-              "PublishFunctions",
-              "Restore",
-              "RestoreAppInsightsConnectionStringUserSecrets",
-              "RestoreUserSecrets",
-              "SetAppInsightsConnectionStringIntegrationTestUserSecrets",
-              "SetGitHubVersion",
-              "SetIntegrationTestUserSecrets",
-              "SetShouldWeRunIntegrationTests",
-              "StartAppInsightsConnectionStringIntegrationTestAzureFunctions",
-              "StartIntegrationTestAzureFunctions",
-              "StopAppInsightsConnectionStringIntegrationTestAzureFunctions",
-              "StopIntegrationTestAzureFunctions",
-              "UnitTest",
-              "VerifyFormat",
-              "WriteAppInsightsConnectionStringIntegrationTestAzureFunctionLogs",
-              "WriteIntegrationTestAzureFunctionLogs"
-            ]
+            "$ref": "#/definitions/ExecutableTarget"
           }
         },
-        "Solution": {
-          "type": "string",
-          "description": "Path to a solution file that is automatically loaded"
-        },
         "Target": {
           "type": "array",
           "description": "List of targets to be invoked. Default is '{default_target}'",
           "items": {
-            "type": "string",
-            "enum": [
-              "AppInsightsConnectionStringIntegrationTest",
-              "Clean",
-              "Compile",
-              "GenerateCoverage",
-              "IntegrationTest",
-              "Pack",
-              "PublishFunctions",
-              "Restore",
-              "RestoreAppInsightsConnectionStringUserSecrets",
-              "RestoreUserSecrets",
-              "SetAppInsightsConnectionStringIntegrationTestUserSecrets",
-              "SetGitHubVersion",
-              "SetIntegrationTestUserSecrets",
-              "SetShouldWeRunIntegrationTests",
-              "StartAppInsightsConnectionStringIntegrationTestAzureFunctions",
-              "StartIntegrationTestAzureFunctions",
-              "StopAppInsightsConnectionStringIntegrationTestAzureFunctions",
-              "StopIntegrationTestAzureFunctions",
-              "UnitTest",
-              "VerifyFormat",
-              "WriteAppInsightsConnectionStringIntegrationTestAzureFunctionLogs",
-              "WriteIntegrationTestAzureFunctionLogs"
-            ]
+            "$ref": "#/definitions/ExecutableTarget"
           }
         },
         "Verbosity": {
-          "type": "string",
           "description": "Logging verbosity during build execution. Default is 'Normal'",
+          "$ref": "#/definitions/Verbosity"
+        }
+      }
+    }
+  },
+  "allOf": [
+    {
+      "properties": {
+        "Configuration": {
+          "type": "string",
+          "description": "Configuration to build - Default is 'Debug' (local) or 'Release' (server)",
           "enum": [
-            "Minimal",
-            "Normal",
-            "Quiet",
-            "Verbose"
+            "Debug",
+            "Release"
           ]
+        },
+        "IntegrationTestServiceBusConnectionString": {
+          "type": "string"
+        },
+        "Package": {
+          "type": "boolean",
+          "description": "Whether we publish the sample Functions to file system - Default is false"
+        },
+        "Solution": {
+          "type": "string",
+          "description": "Path to a solution file that is automatically loaded"
         }
       }
+    },
+    {
+      "$ref": "#/definitions/NukeBuild"
     }
-  }
+  ]
 }

Directory.Packages.props

@@ -17,18 +17,19 @@
     <PackageVersion Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="3.1.32" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" Condition="'$(TargetFramework)' == 'net6.0'" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" Condition="'$(TargetFramework)' == 'net8.0'" />
     <PackageVersion Include="Microsoft.Azure.Functions.Extensions" Version="1.1.0" />
     <PackageVersion Include="Microsoft.Azure.WebJobs.Extensions.ServiceBus" Version="5.16.4" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="3.1.32" Condition="'$(TargetFramework)' == 'netcoreapp3.1'" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="6.0.1" Condition="'$(TargetFramework)' == 'net6.0'" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" Condition="'$(TargetFramework)' == 'net8.0'" />
     <PackageVersion Include="Microsoft.NET.Sdk.Functions" Version="3.1.2" Condition="'$(TargetFramework)' == 'netcoreapp3.1'" />
-    <PackageVersion Include="Microsoft.NET.Sdk.Functions" Version="4.3.0" Condition="'$(TargetFramework)' == 'net6.0'" />
+    <PackageVersion Include="Microsoft.NET.Sdk.Functions" Version="4.4.0" Condition="'$(TargetFramework)' == 'net8.0'" />
     <PackageVersion Include="FluentAssertions" Version="6.12.2" />
     <PackageVersion Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageVersion Include="xunit" Version="2.9.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.3" Condition="'$(TargetFramework)' == 'netcoreapp3.1'" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" Condition="'$(TargetFramework)' == 'net6.0'" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" Condition="'$(TargetFramework)' == 'net8.0'" />
     <PackageVersion Include="xunit.analyzers" Version="1.17.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.2" />
     <GlobalPackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.12.19" />

README.md

@@ -187,12 +187,12 @@ NuGet packages:
 
 - `Microsoft.NET.Sdk.Functions`:
   - `v3`: `3.1.2` (added automatically when creating the Function, updated later)
-  - `v4`: `4.1.3` (added automatically when creating the Function, updated later)
+  - `v4`: `4.4.0` (added automatically when creating the Function, updated later)
 - `Microsoft.Azure.Functions.Extensions`: `1.1.0` (added manually following [Use dependency injection in .NET Azure Functions][dependency-injection])
 - `Microsoft.Extensions.DependencyInjection` (added manually following [Use dependency injection in .NET Azure Functions][dependency-injection], updated later):
   - `v3`: `3.1.32`
-  - `v4`: `6.0.1`
-- `Microsoft.Azure.WebJobs.Logging.ApplicationInsights`: `3.0.35` (added manually following [Log custom telemetry in C# Azure Functions][custom-telemetry])
+  - `v4`: `8.0.0`
+- `Microsoft.Azure.WebJobs.Logging.ApplicationInsights`: `3.0.41` (added manually following [Log custom telemetry in C# Azure Functions][custom-telemetry])
 
 ### Supporting telemetry processors
 

build/Build.cs

@@ -168,7 +168,7 @@ from framework in testProject.GetTargetFrameworks()
         .Executes(() =>
         {
             ReportGeneratorTasks.ReportGenerator(s => s
-                .SetFramework("net6.0")
+                .SetFramework("net8.0")
                 .SetReports($"{TestResultsDirectory}/**/coverage.cobertura.xml")
                 .SetTargetDirectory(CodeCoverageDirectory)
                 .SetReportTypes(ReportTypes.Html));
@@ -494,7 +494,7 @@ static Action<OutputType, string> BuildLogger(ManualResetEventSlim slim, StringB
     void StartFunction(string functionName, Action<OutputType, string> logger)
     {
         ProcessTasks
-            .StartProcess("func", "start --no-build", SamplesDirectory / functionName / "bin" / Configuration / "net6.0", null, null, null, null, logger);
+            .StartProcess("func", "start --no-build", SamplesDirectory / functionName / "bin" / Configuration / "net8.0", null, null, null, null, logger);
     }
 
     void RunIntegrationTest(string projectName)

deploy/functionApp.bicep

@@ -95,6 +95,7 @@ resource appSettings 'Microsoft.Web/sites/config@2022-03-01' = {
     APPLICATIONINSIGHTS_CONNECTION_STRING: applicationInsightsConnectionString
     FUNCTIONS_EXTENSION_VERSION: functionsExtensionsVersion
     FUNCTIONS_WORKER_RUNTIME: functionWorkerRuntime
+    FUNCTIONS_INPROC_NET8_ENABLED: '1'
     WEBSITE_CONTENTAZUREFILECONNECTIONSTRING: storageAccountConnectionString
     WEBSITE_CONTENTSHARE: functionAppName
     WEBSITE_RUN_FROM_PACKAGE: '1'

deploy/main.bicep

@@ -39,7 +39,7 @@ var functions = [
     functionAppName: '${resourceNamePrefix}-${toLower(defaultV4InProcessFunctionDisplayName)}-func'
     functionRuntimeVersion: 4
     functionWorkerRuntime: 'dotnet'
-    dotnetVersion: 'v4.0'
+    dotnetVersion: 'v8.0'
     storageName: '${resourceNamePrefix}7${toLower(defaultV4InProcessFunctionDisplayName)}'
   }
   {
@@ -66,7 +66,7 @@ var functions = [
     functionAppName: '${resourceNamePrefix}-${toLower(customV4InProcessFunctionDisplayName)}-func'
     functionRuntimeVersion: 4
     functionWorkerRuntime: 'dotnet'
-    dotnetVersion: 'v4.0'
+    dotnetVersion: 'v8.0'
     storageName: '${resourceNamePrefix}7${toLower(customV4InProcessFunctionDisplayName)}'
   }
 ]

samples/CustomV4InProcessFunction/CustomV4InProcessFunction.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AzureFunctionsVersion>v4</AzureFunctionsVersion>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>

samples/CustomV4InProcessFunction/Startup.cs

@@ -19,7 +19,7 @@ public override void Configure(IFunctionsHostBuilder builder)
     {
         var testingOptions = builder.GetContext().Configuration.GetSection("Testing").Get<TestingOptions>();
 
-        if (testingOptions.IsEnabled)
+        if (testingOptions?.IsEnabled == true)
         {
             builder.Services.AddSingleton<ITelemetryChannel, TestingChannel>();
         }

samples/CustomV4InProcessFunction/local.settings.json

@@ -3,6 +3,7 @@
   "Values": {
     "AzureWebJobsStorage": "UseDevelopmentStorage=true",
     "FUNCTIONS_WORKER_RUNTIME": "dotnet",
+    "FUNCTIONS_INPROC_NET8_ENABLED": "1",
     "ServiceBusConnection": "",
     "logging:logLevel:Microsoft.Azure.WebJobs.Script.WebHost.Middleware.SystemTraceMiddleware": "None",
     "Testing:IsEnabled": false,

samples/DefaultV4InProcessFunction/DefaultV4InProcessFunction.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AzureFunctionsVersion>v4</AzureFunctionsVersion>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>

samples/DefaultV4InProcessFunction/Startup.cs

@@ -17,7 +17,7 @@ public override void Configure(IFunctionsHostBuilder builder)
     {
         var testingOptions = builder.GetContext().Configuration.GetSection("Testing").Get<TestingOptions>();
 
-        if (testingOptions.IsEnabled)
+        if (testingOptions?.IsEnabled == true)
         {
             builder.Services.AddSingleton<ITelemetryChannel, TestingChannel>();
         }

samples/DefaultV4InProcessFunction/local.settings.json

@@ -3,6 +3,7 @@
   "Values": {
     "AzureWebJobsStorage": "UseDevelopmentStorage=true",
     "FUNCTIONS_WORKER_RUNTIME": "dotnet",
+    "FUNCTIONS_INPROC_NET8_ENABLED": "1",
     "ServiceBusConnection": "",
     "logging:logLevel:Microsoft.Azure.WebJobs.Script.WebHost.Middleware.SystemTraceMiddleware": "None",
     "Testing:IsEnabled": false

src/AzureFunctionsTelemetry/AzureFunctionsTelemetry.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>

tests/AppInsightsConnectionStringIntegrationTests/AppInsightsConnectionStringIntegrationTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>

tests/AzureFunctionsTelemetryIntegrationTests/AzureFunctionsTelemetryIntegrationTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>