Extend AoT support

.github/workflows/ci.yml

@@ -21,8 +21,10 @@ jobs:
           build: ['build/**', '.github/**/*.yml', '!.github/workflows/package-*']
           shared: ['src/Shared/**']
           code: ['**.cs', '.editorconfig']
+          aot: ['src/OpenTelemetry.Extensions.Enrichment/**']
           aottestapp: ['test/OpenTelemetry.AotCompatibility.TestApp/**']
           aspnet: ['*/OpenTelemetry.Instrumentation.AspNet*/**', 'examples/AspNet/**', '!**/*.md']
+          aws: ['*/OpenTelemetry.*.AWS*/**', '!**/*.md']
           azure: ['*/OpenTelemetry.ResourceDetectors.Azure*/**', '!**/*.md']
           eventcounters: ['*/OpenTelemetry.Instrumentation.EventCounters*/**', 'examples/event-counters/**', '!**/*.md']
           extensions: ['*/OpenTelemetry.Extensions/**', '*/OpenTelemetry.Extensions.Tests/**', '!**/*.md']
@@ -35,6 +37,7 @@ jobs:
           processdetector: ['*/OpenTelemetry.ResourceDetectors.Process/**', '*/OpenTelemetry.ResourceDetectors.Process.Tests/**', '!**/*.md']
           processruntime: ['*/OpenTelemetry.ResourceDetectors.ProcessRuntime/**', '*/OpenTelemetry.ResourceDetectors.ProcessRuntime.Tests/**', '!**/*.md']
           redis: ['*/OpenTelemetry.Instrumentation.StackExchangeRedis*/**', 'examples/redis/**', '!**/*.md']
+          resourcedetectors: ['*/OpenTelemetry.ResourceDetectors.*/**', '!**/*.md']
           runtime: ['*/OpenTelemetry.Instrumentation.Runtime*/**', 'examples/runtime-instrumentation/**', '!**/*.md']
           wcf: ['*/OpenTelemetry.Instrumentation.Wcf*/**', 'examples/wcf/**', '!**/*.md']
           solution: [
@@ -343,10 +346,14 @@ jobs:
     if: |
       contains(needs.detect-changes.outputs.changes, 'eventcounters')
       || contains(needs.detect-changes.outputs.changes, 'runtime')
+      || contains(needs.detect-changes.outputs.changes, 'aws')
       || contains(needs.detect-changes.outputs.changes, 'azure')
+      || contains(needs.detect-changes.outputs.changes, 'extensions')
       || contains(needs.detect-changes.outputs.changes, 'host')
       || contains(needs.detect-changes.outputs.changes, 'processdetector')
       || contains(needs.detect-changes.outputs.changes, 'processruntime')
+      || contains(needs.detect-changes.outputs.changes, 'resourcedetectors')
+      || contains(needs.detect-changes.outputs.changes, 'aot')
       || contains(needs.detect-changes.outputs.changes, 'aottestapp')
       || contains(needs.detect-changes.outputs.changes, 'build')
       || contains(needs.detect-changes.outputs.changes, 'redis')

src/OpenTelemetry.Extensions.Enrichment/CHANGELOG.md

@@ -1 +1,6 @@
 # Changelog
+
+## Unreleased
+
+* Make Extensions.Enrichment AoT compatible.
+  ([#1541](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1541))

src/OpenTelemetry.Extensions.Enrichment/TraceEnrichmentProviderBuilderExtensions.cs

@@ -2,6 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0
 
 using System;
+#if NET6_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#endif
 using Microsoft.Extensions.DependencyInjection;
 using OpenTelemetry.Internal;
 using OpenTelemetry.Trace;
@@ -23,7 +26,11 @@ public static class TraceEnrichmentProviderBuilderExtensions
     /// <remarks>
     /// Add this enricher *before* exporter related Activity processors.
     /// </remarks>
+#if NET6_0_OR_GREATER
+    public static TracerProviderBuilder AddTraceEnricher<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors)] T>(this TracerProviderBuilder builder)
+#else
     public static TracerProviderBuilder AddTraceEnricher<T>(this TracerProviderBuilder builder)
+#endif
         where T : TraceEnricher
     {
         Guard.ThrowIfNull(builder);

src/OpenTelemetry.Extensions.Enrichment/TraceEnrichmentServiceCollectionExtensions.cs

@@ -2,6 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0
 
 using System;
+#if NET6_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#endif
 using System.Linq;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using OpenTelemetry.Extensions.Enrichment;
@@ -25,7 +28,11 @@ public static class TraceEnrichmentServiceCollectionExtensions
     /// <remarks>
     /// Add this enricher *before* exporter related Activity processors.
     /// </remarks>
+#if NET6_0_OR_GREATER
+    public static IServiceCollection AddTraceEnricher<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors)] T>(this IServiceCollection services)
+#else
     public static IServiceCollection AddTraceEnricher<T>(this IServiceCollection services)
+#endif
         where T : TraceEnricher
     {
         Guard.ThrowIfNull(services);

src/OpenTelemetry.ResourceDetectors.AWS/AWSEBSResourceDetector.cs

@@ -87,6 +87,10 @@ internal static List<KeyValuePair<string, object>> ExtractResourceAttributes(AWS
 
     internal static AWSEBSMetadataModel? GetEBSMetadata(string filePath)
     {
+#if NET6_0_OR_GREATER
+        return ResourceDetectorUtils.DeserializeFromFile(filePath, SourceGenerationContext.Default.AWSEBSMetadataModel);
+#else
         return ResourceDetectorUtils.DeserializeFromFile<AWSEBSMetadataModel>(filePath);
+#endif
     }
 }

src/OpenTelemetry.ResourceDetectors.AWS/AWSEC2ResourceDetector.cs

@@ -83,7 +83,11 @@ internal static List<KeyValuePair<string, object>> ExtractResourceAttributes(AWS
 
     internal static AWSEC2IdentityDocumentModel? DeserializeResponse(string response)
     {
+#if NET6_0_OR_GREATER
+        return ResourceDetectorUtils.DeserializeFromString(response, SourceGenerationContext.Default.AWSEC2IdentityDocumentModel);
+#else
         return ResourceDetectorUtils.DeserializeFromString<AWSEC2IdentityDocumentModel>(response);
+#endif
     }
 
     private static string GetAWSEC2Token()

src/OpenTelemetry.ResourceDetectors.AWS/AWSEKSResourceDetector.cs

@@ -116,7 +116,11 @@ internal static List<KeyValuePair<string, object>> ExtractResourceAttributes(str
 
     internal static AWSEKSClusterInformationModel? DeserializeResponse(string response)
     {
+#if NET6_0_OR_GREATER
+        return ResourceDetectorUtils.DeserializeFromString(response, SourceGenerationContext.Default.AWSEKSClusterInformationModel);
+#else
         return ResourceDetectorUtils.DeserializeFromString<AWSEKSClusterInformationModel>(response);
+#endif
     }
 
     private static string? GetEKSClusterName(string credentials, HttpClientHandler? httpClientHandler)

src/OpenTelemetry.ResourceDetectors.AWS/CHANGELOG.md

@@ -8,6 +8,8 @@
   ([#1350](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1350))
 * BREAKING: All Resource Detector classes marked as `sealed`.
   ([#1510](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1510))
+* Make OpenTelemetry.ResourceDetectors.AWS native AoT compatible.
+  ([#1541](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1541))
 
 ## 1.3.0-beta.1
 

src/OpenTelemetry.ResourceDetectors.AWS/Models/AWSEC2IdentityDocumentModel.cs

@@ -1,17 +1,24 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+using System.Text.Json.Serialization;
+
 namespace OpenTelemetry.ResourceDetectors.AWS.Models;
 
 internal class AWSEC2IdentityDocumentModel
 {
+    [JsonPropertyName("accountId")]
     public string? AccountId { get; set; }
 
+    [JsonPropertyName("availabilityZone")]
     public string? AvailabilityZone { get; set; }
 
+    [JsonPropertyName("region")]
     public string? Region { get; set; }
 
+    [JsonPropertyName("instanceId")]
     public string? InstanceId { get; set; }
 
+    [JsonPropertyName("instanceType")]
     public string? InstanceType { get; set; }
 }

src/OpenTelemetry.ResourceDetectors.AWS/Models/AWSEKSClusterDataModel.cs

@@ -5,7 +5,7 @@
 
 namespace OpenTelemetry.ResourceDetectors.AWS.Models;
 
-internal class AWSEKSClusterDataModel
+internal sealed class AWSEKSClusterDataModel
 {
     [JsonPropertyName("cluster.name")]
     public string? ClusterName { get; set; }

src/OpenTelemetry.ResourceDetectors.AWS/Models/AWSEKSClusterInformationModel.cs

@@ -1,9 +1,12 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+using System.Text.Json.Serialization;
+
 namespace OpenTelemetry.ResourceDetectors.AWS.Models;
 
-internal class AWSEKSClusterInformationModel
+internal sealed class AWSEKSClusterInformationModel
 {
+    [JsonPropertyName("data")]
     public AWSEKSClusterDataModel? Data { get; set; }
 }

src/OpenTelemetry.ResourceDetectors.AWS/ResourceDetectorUtils.cs

@@ -7,6 +7,9 @@
 using System.Net.Http;
 using System.Text;
 using System.Text.Json;
+#if !NETFRAMEWORK
+using System.Text.Json.Serialization.Metadata;
+#endif
 using System.Threading.Tasks;
 
 namespace OpenTelemetry.ResourceDetectors.AWS;
@@ -16,7 +19,9 @@ namespace OpenTelemetry.ResourceDetectors.AWS;
 /// </summary>
 internal static class ResourceDetectorUtils
 {
+#if !NET6_0_OR_GREATER
     private static readonly JsonSerializerOptions JsonSerializerOptions = new(JsonSerializerDefaults.Web);
+#endif
 
     internal static async Task<string> SendOutRequest(string url, string method, KeyValuePair<string, string>? header, HttpClientHandler? handler = null)
     {
@@ -40,6 +45,20 @@ internal static async Task<string> SendOutRequest(string url, string method, Key
         }
     }
 
+#if NET6_0_OR_GREATER
+    internal static T? DeserializeFromFile<T>(string filePath, JsonTypeInfo<T> jsonTypeInfo)
+    {
+        using (var stream = GetStream(filePath))
+        {
+            return JsonSerializer.Deserialize(stream, jsonTypeInfo);
+        }
+    }
+
+    internal static T? DeserializeFromString<T>(string json, JsonTypeInfo<T> jsonTypeInfo)
+    {
+        return JsonSerializer.Deserialize(json, jsonTypeInfo);
+    }
+#else
     internal static T? DeserializeFromFile<T>(string filePath)
     {
         using (var stream = GetStream(filePath))
@@ -52,6 +71,7 @@ internal static async Task<string> SendOutRequest(string url, string method, Key
     {
         return JsonSerializer.Deserialize<T>(json, JsonSerializerOptions);
     }
+#endif
 
     internal static Stream GetStream(string filePath)
     {

src/OpenTelemetry.ResourceDetectors.AWS/SourceGenerationContext.cs

@@ -0,0 +1,24 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#if NET6_0_OR_GREATER
+using System.Text.Json.Serialization;
+using OpenTelemetry.ResourceDetectors.AWS.Models;
+
+namespace OpenTelemetry.ResourceDetectors.AWS;
+
+/// <summary>
+/// "Source Generation" is feature added to System.Text.Json in .NET 6.0.
+/// This is a performance optimization that avoids runtime reflection when performing serialization.
+/// Serialization metadata will be computed at compile-time and included in the assembly.
+/// <see href="https://learn.microsoft.com/dotnet/standard/serialization/system-text-json/source-generation-modes" />.
+/// <see href="https://learn.microsoft.com/dotnet/standard/serialization/system-text-json/source-generation" />.
+/// <see href="https://devblogs.microsoft.com/dotnet/try-the-new-system-text-json-source-generator/" />.
+/// </summary>
+[JsonSerializable(typeof(AWSEBSMetadataModel))]
+[JsonSerializable(typeof(AWSEC2IdentityDocumentModel))]
+[JsonSerializable(typeof(AWSEKSClusterInformationModel))]
+internal sealed partial class SourceGenerationContext : JsonSerializerContext
+{
+}
+#endif

src/OpenTelemetry.Sampler.AWS/AWSXRaySamplerClient.cs

@@ -38,7 +38,13 @@ public async Task<List<SamplingRule>> GetSamplingRules()
 
             try
             {
-                GetSamplingRulesResponse? getSamplingRulesResponse = JsonSerializer.Deserialize<GetSamplingRulesResponse>(responseJson);
+                GetSamplingRulesResponse? getSamplingRulesResponse = JsonSerializer
+#if NET6_0_OR_GREATER
+                    .Deserialize(responseJson, SourceGenerationContext.Default.GetSamplingRulesResponse);
+#else
+                    .Deserialize<GetSamplingRulesResponse>(responseJson);
+#endif
+
                 if (getSamplingRulesResponse is not null)
                 {
                     if (getSamplingRulesResponse.SamplingRuleRecords is not null)
@@ -66,7 +72,14 @@ public async Task<List<SamplingRule>> GetSamplingRules()
 
     public async Task<GetSamplingTargetsResponse?> GetSamplingTargets(GetSamplingTargetsRequest getSamplingTargetsRequest)
     {
-        var content = new StringContent(JsonSerializer.Serialize(getSamplingTargetsRequest), Encoding.UTF8, this.jsonContentType);
+        var json = JsonSerializer
+#if NET6_0_OR_GREATER
+            .Serialize(getSamplingTargetsRequest, SourceGenerationContext.Default.GetSamplingTargetsRequest);
+#else
+            .Serialize(getSamplingTargetsRequest);
+#endif
+
+        var content = new StringContent(json, Encoding.UTF8, this.jsonContentType);
 
         using var request = new HttpRequestMessage(HttpMethod.Post, this.getSamplingTargetsEndpoint)
         {
@@ -78,7 +91,11 @@ public async Task<List<SamplingRule>> GetSamplingRules()
         try
         {
             GetSamplingTargetsResponse? getSamplingTargetsResponse = JsonSerializer
+#if NET6_0_OR_GREATER
+                .Deserialize(responseJson, SourceGenerationContext.Default.GetSamplingTargetsResponse);
+#else
                 .Deserialize<GetSamplingTargetsResponse>(responseJson);
+#endif
 
             return getSamplingTargetsResponse;
         }

src/OpenTelemetry.Sampler.AWS/CHANGELOG.md

@@ -10,3 +10,6 @@ Initial release of `OpenTelemetry.Sampler.AWS`.
 
 * Update OpenTelemetry SDK version to `1.7.0`.
   ([#1486](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1486))
+
+* Make OpenTelemetry.Sampler.AWS native AoT compatible.
+  ([#1541](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1541))

src/OpenTelemetry.Sampler.AWS/GetSamplingRulesResponse.cs

@@ -6,7 +6,7 @@
 
 namespace OpenTelemetry.Sampler.AWS;
 
-internal class GetSamplingRulesResponse
+internal sealed class GetSamplingRulesResponse
 {
     [JsonPropertyName("NextToken")]
     public string? NextToken { get; set; }

src/OpenTelemetry.Sampler.AWS/GetSamplingTargetsRequest.cs

@@ -6,7 +6,7 @@
 
 namespace OpenTelemetry.Sampler.AWS;
 
-internal class GetSamplingTargetsRequest
+internal sealed class GetSamplingTargetsRequest
 {
     public GetSamplingTargetsRequest(List<SamplingStatisticsDocument> documents)
     {

src/OpenTelemetry.Sampler.AWS/GetSamplingTargetsResponse.cs

@@ -6,7 +6,7 @@
 
 namespace OpenTelemetry.Sampler.AWS;
 
-internal class GetSamplingTargetsResponse
+internal sealed class GetSamplingTargetsResponse
 {
     public GetSamplingTargetsResponse(
         double lastRuleModification,

src/OpenTelemetry.Sampler.AWS/SourceGenerationContext.cs

@@ -0,0 +1,23 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#if NET6_0_OR_GREATER
+using System.Text.Json.Serialization;
+
+namespace OpenTelemetry.Sampler.AWS;
+
+/// <summary>
+/// "Source Generation" is feature added to System.Text.Json in .NET 6.0.
+/// This is a performance optimization that avoids runtime reflection when performing serialization.
+/// Serialization metadata will be computed at compile-time and included in the assembly.
+/// <see href="https://learn.microsoft.com/dotnet/standard/serialization/system-text-json/source-generation-modes" />.
+/// <see href="https://learn.microsoft.com/dotnet/standard/serialization/system-text-json/source-generation" />.
+/// <see href="https://devblogs.microsoft.com/dotnet/try-the-new-system-text-json-source-generator/" />.
+/// </summary>
+[JsonSerializable(typeof(GetSamplingRulesResponse))]
+[JsonSerializable(typeof(GetSamplingTargetsRequest))]
+[JsonSerializable(typeof(GetSamplingTargetsResponse))]
+internal sealed partial class SourceGenerationContext : JsonSerializerContext
+{
+}
+#endif

test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj

@@ -13,13 +13,19 @@
       When adding projects here please also update the verify-aot-compat job in
       .github\workflows\ci.yml so that it runs for the project being added.
     -->
+    <TrimmerRootAssembly Include="OpenTelemetry.Extensions" />
+    <TrimmerRootAssembly Include="OpenTelemetry.Extensions.AWS" />
+    <TrimmerRootAssembly Include="OpenTelemetry.Extensions.Enrichment" />
     <TrimmerRootAssembly Include="OpenTelemetry.Instrumentation.Runtime" />
     <TrimmerRootAssembly Include="OpenTelemetry.Instrumentation.EventCounters" />
     <TrimmerRootAssembly Include="OpenTelemetry.Instrumentation.StackExchangeRedis" />
+    <TrimmerRootAssembly Include="OpenTelemetry.ResourceDetectors.AWS" />
     <TrimmerRootAssembly Include="OpenTelemetry.ResourceDetectors.Azure" />
+    <TrimmerRootAssembly Include="OpenTelemetry.ResourceDetectors.Container" />
     <TrimmerRootAssembly Include="OpenTelemetry.ResourceDetectors.Host" />
     <TrimmerRootAssembly Include="OpenTelemetry.ResourceDetectors.Process" />
     <TrimmerRootAssembly Include="OpenTelemetry.ResourceDetectors.ProcessRuntime" />
+    <TrimmerRootAssembly Include="OpenTelemetry.Sampler.AWS" />
 
     <TrimmerRootAssembly Update="@(TrimmerRootAssembly)" Path="$(RepoRoot)\src\%(Identity)\%(Identity).csproj" />
     <ProjectReference Include="@(TrimmerRootAssembly->'%(Path)')" />