[Redis] Add schema URL to traces

src/OpenTelemetry.Instrumentation.StackExchangeRedis/CHANGELOG.md

@@ -6,6 +6,9 @@
   the new database semantic conventions are enabled.
   ([#4245](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/4245))
 
+* Add instrumentation scope version and schema URL to traces.
+  ([#4095](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/4095))
+
 ## 1.15.1-beta.1
 
 Released 2026-Apr-21

src/OpenTelemetry.Instrumentation.StackExchangeRedis/Implementation/RedisProfilerEntryToActivityConverter.cs

@@ -94,7 +94,14 @@ static bool GetCommandAndKey(
             name = StackExchangeRedisConnectionInstrumentation.ActivityName;
         }
 
-        var activity = StackExchangeRedisConnectionInstrumentation.ActivitySource.StartActivity(
+        var activitySource =
+            options.EmitNewAttributes && options.EmitOldAttributes ?
+            StackExchangeRedisConnectionInstrumentation.ActivitySourceBoth :
+            options.EmitNewAttributes ?
+            StackExchangeRedisConnectionInstrumentation.ActivitySourceNew :
+            StackExchangeRedisConnectionInstrumentation.ActivitySource;
+
+        var activity = activitySource.StartActivity(
             name,
             ActivityKind.Client,
             parentActivity?.Context ?? default,

src/OpenTelemetry.Instrumentation.StackExchangeRedis/OpenTelemetry.Instrumentation.StackExchangeRedis.csproj

@@ -18,6 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <Compile Include="$(RepoRoot)\src\Shared\ActivitySourceFactory.cs" Link="Includes\ActivitySourceFactory.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\AssemblyVersionExtensions.cs" Link="Includes\AssemblyVersionExtensions.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\DatabaseSemanticConventionHelper.cs" Link="Includes\DatabaseSemanticConventionHelper.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\EnvironmentVariables\*.cs" Link="Includes\EnvironmentVariables\%(Filename).cs" />

src/OpenTelemetry.Instrumentation.StackExchangeRedis/StackExchangeRedisConnectionInstrumentation.cs

@@ -3,7 +3,6 @@
 
 using System.Collections.Concurrent;
 using System.Diagnostics;
-using System.Reflection;
 using OpenTelemetry.Instrumentation.StackExchangeRedis.Implementation;
 using OpenTelemetry.Internal;
 using OpenTelemetry.Trace;
@@ -18,12 +17,17 @@ namespace OpenTelemetry.Instrumentation.StackExchangeRedis;
 internal sealed class StackExchangeRedisConnectionInstrumentation : IDisposable
 {
     internal const string RedisDatabaseIndexKeyName = "db.redis.database_index";
-    internal static readonly Assembly Assembly = typeof(StackExchangeRedisConnectionInstrumentation).Assembly;
-#pragma warning disable IDE0370 // Suppression is unnecessary
-    internal static readonly string ActivitySourceName = Assembly.GetName().Name!;
-#pragma warning restore IDE0370 // Suppression is unnecessary
-    internal static readonly string ActivityName = ActivitySourceName + ".Execute";
-    internal static readonly ActivitySource ActivitySource = new(ActivitySourceName, Assembly.GetPackageVersion());
+
+    internal static readonly Version SemanticConventionsVersion = new(1, 23, 0);
+    internal static readonly ActivitySource ActivitySource = ActivitySourceFactory.Create<StackExchangeRedisConnectionInstrumentation>(SemanticConventionsVersion);
+
+    internal static readonly Version SemanticConventionsVersionNew = new(1, 28, 0);
+    internal static readonly ActivitySource ActivitySourceNew = ActivitySourceFactory.Create<StackExchangeRedisConnectionInstrumentation>(SemanticConventionsVersionNew);
+
+    internal static readonly ActivitySource ActivitySourceBoth = ActivitySourceFactory.Create<StackExchangeRedisConnectionInstrumentation>(null);
+
+    internal static readonly string ActivityName = $"{ActivitySource.Name}.Execute";
+
     internal static readonly IEnumerable<KeyValuePair<string, object?>> OldCreationTags =
     [
         new(SemanticConventions.AttributeDbSystem, "redis")

src/OpenTelemetry.Instrumentation.StackExchangeRedis/TracerProviderBuilderExtensions.cs

@@ -151,7 +151,7 @@ public static TracerProviderBuilder AddRedisInstrumentation(
         }
 
         return builder
-            .AddSource(StackExchangeRedisConnectionInstrumentation.ActivitySourceName)
+            .AddSource(StackExchangeRedisConnectionInstrumentation.ActivitySource.Name)
             .AddInstrumentation(sp =>
             {
                 var instrumentation = sp.GetRequiredService<StackExchangeRedisInstrumentation>();

test/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests/StackExchangeRedisCallsInstrumentationTests.cs

@@ -162,6 +162,21 @@ public void SuccessfulCommandTest(
 
             // TODO VerifySamplingParameters(sampler.LatestSamplingParameters);
         }
+
+        string? expectedSchemaUrl = (emitOldAttributes, emitNewAttributes) switch
+        {
+            (false, true) => "https://opentelemetry.io/schemas/1.28.0",
+            (true, false) => "https://opentelemetry.io/schemas/1.23.0",
+            _ => null,
+        };
+
+        foreach (var activity in exportedItems)
+        {
+            Assert.Equal("OpenTelemetry.Instrumentation.StackExchangeRedis", activity.Source.Name);
+            Assert.NotNull(activity.Source.Version);
+            Assert.NotEmpty(activity.Source.Version);
+            Assert.Equal(expectedSchemaUrl, activity.Source.TelemetrySchemaUrl);
+        }
     }
 
     [EnabledOnDockerPlatformFact(DockerPlatform.Linux)]
@@ -551,6 +566,10 @@ private static void VerifyNewActivityData(Activity activity, bool isSet, EndPoin
         Assert.Equal(dbOperationName, activity.GetTagValue(SemanticConventions.AttributeDbOperationName));
         Assert.Equal(dbQueryText, activity.GetTagValue(SemanticConventions.AttributeDbQueryText));
 
+        Assert.Equal("OpenTelemetry.Instrumentation.StackExchangeRedis", activity.Source.Name);
+        Assert.NotNull(activity.Source.Version);
+        Assert.NotEmpty(activity.Source.Version);
+
         VerifyEndPoint(activity, endPoint);
     }