Remove netstandard targets from asp.netcore instrumentation

src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md

@@ -2,12 +2,15 @@
 
 ## Unreleased
 
+* Removed `netstandard2.0` and `netstandard2.1` targets
+  ([#3576](https://github.com/open-telemetry/opentelemetry-dotnet/pull/3567))
+
 * Fixed an issue where activity started within middleware was modified by
   instrumentation library.
   ([#3498](https://github.com/open-telemetry/opentelemetry-dotnet/pull/3498))
 
-* Updated to use Activity native support from `System.Diagnostics.DiagnosticSource`
-  to set activity status.
+* Updated to use Activity native support from
+  `System.Diagnostics.DiagnosticSource` to set activity status.
   ([#3118](https://github.com/open-telemetry/opentelemetry-dotnet/issues/3118))
   ([#3555](https://github.com/open-telemetry/opentelemetry-dotnet/pull/3555))
 

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs

@@ -19,15 +19,11 @@
 using System.Diagnostics;
 using System.Linq;
 using System.Reflection;
-#if !NETSTANDARD2_0
 using System.Runtime.CompilerServices;
-#endif
 using Microsoft.AspNetCore.Http;
 using OpenTelemetry.Context.Propagation;
-using OpenTelemetry.Internal;
-#if !NETSTANDARD2_0
 using OpenTelemetry.Instrumentation.GrpcNetClient;
-#endif
+using OpenTelemetry.Internal;
 using OpenTelemetry.Trace;
 
 namespace OpenTelemetry.Instrumentation.AspNetCore.Implementation
@@ -202,7 +198,6 @@ public override void OnStopActivity(Activity activity, object payload)
 
                 activity.SetTag(SemanticConventions.AttributeHttpStatusCode, response.StatusCode);
 
-#if !NETSTANDARD2_0
                 if (this.options.EnableGrpcAspNetCoreSupport && TryGetGrpcMethod(activity, out var grpcMethod))
                 {
                     AddGrpcAttributes(activity, grpcMethod, context);
@@ -211,12 +206,6 @@ public override void OnStopActivity(Activity activity, object payload)
                 {
                     activity.SetStatus(SpanHelper.ResolveSpanStatusForHttpStatusCode(activity.Kind, response.StatusCode));
                 }
-#else
-                if (activity.Status == ActivityStatusCode.Unset)
-                {
-                    activity.SetStatus(SpanHelper.ResolveSpanStatusForHttpStatusCode(activity.Kind, response.StatusCode));
-                }
-#endif
 
                 try
                 {
@@ -350,7 +339,7 @@ private static string GetUri(HttpRequest request)
             var queryString = request.QueryString.Value ?? string.Empty;
             var length = scheme.Length + Uri.SchemeDelimiter.Length + host.Length + pathBase.Length
                          + path.Length + queryString.Length;
-#if NETSTANDARD2_1_OR_GREATER || NET6_0_OR_GREATER
+
             return string.Create(length, (scheme, host, pathBase, path, queryString), (span, parts) =>
             {
                 CopyTo(ref span, parts.scheme);
@@ -369,19 +358,8 @@ static void CopyTo(ref Span<char> buffer, ReadOnlySpan<char> text)
                     }
                 }
             });
-#else
-            return new System.Text.StringBuilder(length)
-                .Append(scheme)
-                .Append(Uri.SchemeDelimiter)
-                .Append(host)
-                .Append(pathBase)
-                .Append(path)
-                .Append(queryString)
-                .ToString();
-#endif
         }
 
-#if !NETSTANDARD2_0
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private static bool TryGetGrpcMethod(Activity activity, out string grpcMethod)
         {
@@ -429,6 +407,5 @@ private static void AddGrpcAttributes(Activity activity, string grpcMethod, Http
                 }
             }
         }
-#endif
     }
 }

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs

@@ -17,9 +17,7 @@
 using System.Diagnostics;
 using System.Diagnostics.Metrics;
 using Microsoft.AspNetCore.Http;
-#if NETCOREAPP
 using Microsoft.AspNetCore.Routing;
-#endif
 using OpenTelemetry.Trace;
 
 namespace OpenTelemetry.Instrumentation.AspNetCore.Implementation
@@ -67,9 +65,6 @@ public override void OnStopActivity(Activity activity, object payload)
 
             TagList tags;
 
-            // We need following directive as
-            // RouteEndpoint is not available in netstandard2.0 and netstandard2.1
-#if NETCOREAPP
             var target = (context.GetEndpoint() as RouteEndpoint)?.RoutePattern.RawText;
 
             // TODO: This is just a minimal set of attributes. See the spec for additional attributes:
@@ -97,17 +92,7 @@ public override void OnStopActivity(Activity activity, object payload)
                     { SemanticConventions.AttributeHttpStatusCode, context.Response.StatusCode.ToString() },
                 };
             }
-#else
-            tags = new TagList
-            {
-                { SemanticConventions.AttributeHttpFlavor, context.Request.Protocol },
-                { SemanticConventions.AttributeHttpScheme, context.Request.Scheme },
-                { SemanticConventions.AttributeHttpMethod, context.Request.Method },
-                { SemanticConventions.AttributeHttpHost, host },
-                { SemanticConventions.AttributeHttpStatusCode, context.Response.StatusCode.ToString() },
-            };
 
-#endif
             this.httpServerDuration.Record(activity.Duration.TotalMilliseconds, tags);
         }
     }

src/OpenTelemetry.Instrumentation.AspNetCore/OpenTelemetry.Instrumentation.AspNetCore.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net7.0;net6.0;netstandard2.1;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <Description>ASP.NET Core instrumentation for OpenTelemetry .NET</Description>
     <PackageTags>$(PackageTags);distributed-tracing;AspNetCore</PackageTags>
     <IncludeDiagnosticSourceInstrumentationHelpers>true</IncludeDiagnosticSourceInstrumentationHelpers>
@@ -18,16 +18,6 @@
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry\OpenTelemetry.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="$(MicrosoftAspNetCoreHttpAbstractionsPkgVer)" />
-    <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="$(MicrosoftAspNetCoreHttpFeaturesPkgVer)" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="$(MicrosoftAspNetCoreHttpAbstractionsPkgVer)" />
-    <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="$(MicrosoftAspNetCoreHttpFeaturesPkgVer)" />
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>

test/Benchmarks/Benchmarks.csproj

@@ -19,6 +19,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' != 'net462'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
+    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.AspNetCore\OpenTelemetry.Instrumentation.AspNetCore.csproj" />
   </ItemGroup>
 
   <ItemGroup>
@@ -27,7 +28,6 @@
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Jaeger\OpenTelemetry.Exporter.Jaeger.csproj" Aliases="Jaeger" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.OpenTelemetryProtocol\OpenTelemetry.Exporter.OpenTelemetryProtocol.csproj" Aliases="OpenTelemetryProtocol" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Zipkin\OpenTelemetry.Exporter.Zipkin.csproj" Aliases="Zipkin" />
-    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.AspNetCore\OpenTelemetry.Instrumentation.AspNetCore.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.Http\OpenTelemetry.Instrumentation.Http.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Prometheus.HttpListener\OpenTelemetry.Exporter.Prometheus.HttpListener.csproj" />
   </ItemGroup>

test/OpenTelemetry.Instrumentation.Grpc.Tests/GrpcTests.client.cs

@@ -23,7 +23,9 @@
 using Greet;
 using Grpc.Core;
 using Grpc.Net.Client;
+#if NET6_0_OR_GREATER
 using Microsoft.AspNetCore.Http;
+#endif
 using Moq;
 using OpenTelemetry.Context.Propagation;
 using OpenTelemetry.Instrumentation.Grpc.Tests.GrpcTestHelpers;
@@ -117,7 +119,7 @@ public void GrpcClientCallsAreCollectedSuccessfully(string baseAddress, bool sho
             Assert.Equal(0, activity.GetTagValue(SemanticConventions.AttributeRpcGrpcStatusCode));
         }
 
-#if !NETFRAMEWORK
+#if NET6_0_OR_GREATER
         [Theory]
         [InlineData(true)]
         [InlineData(false)]

test/OpenTelemetry.Instrumentation.Grpc.Tests/GrpcTests.server.cs

@@ -14,7 +14,7 @@
 // limitations under the License.
 // </copyright>
 
-#if !NETFRAMEWORK
+#if NET6_0_OR_GREATER
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -115,8 +115,6 @@ public void GrpcAspNetCoreInstrumentationAddsCorrectAttributes(bool? enableGrpcA
 
 #if NET6_0_OR_GREATER
         [Theory(Skip = "Skipping for .NET 6 and higher due to bug #3023")]
-#else
-        [Theory]
 #endif
         [InlineData(null)]
         [InlineData(true)]

test/OpenTelemetry.Instrumentation.Grpc.Tests/OpenTelemetry.Instrumentation.Grpc.Tests.csproj

@@ -30,10 +30,13 @@
     <Reference Include="System.Net.Http" Condition="'$(TargetFramework)' == 'net462'" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' != 'net462'">
+    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.AspNetCore\OpenTelemetry.Instrumentation.AspNetCore.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.InMemory\OpenTelemetry.Exporter.InMemory.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Extensions.Propagators\OpenTelemetry.Extensions.Propagators.csproj" />
-    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.AspNetCore\OpenTelemetry.Instrumentation.AspNetCore.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.GrpcNetClient\OpenTelemetry.Instrumentation.GrpcNetClient.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.Http\OpenTelemetry.Instrumentation.Http.csproj" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\EventSourceTestHelper.cs" Link="EventSourceTestHelper.cs" />