Pass correct trace named pipe envvar into rust binary

Lewis-E · Lewis-E · commit 719ce6669c48 · 2026-03-04T16:01:19.000-05:00
diff --git a/Datadog.Serverless/CompatibilityLayer.cs b/Datadog.Serverless/CompatibilityLayer.cs
@@ -241,7 +241,7 @@ internal static void ConfigureNamedPipes(ProcessStartInfo startInfo, OS os)
         }
 
         // Set environment variables for the spawned rust binary
-        startInfo.EnvironmentVariables["DD_TRACE_WINDOWS_PIPE_NAME"] = tracePipeName;
+        startInfo.EnvironmentVariables["DD_APM_WINDOWS_PIPE_NAME"] = tracePipeName;
         startInfo.EnvironmentVariables["DD_DOGSTATSD_WINDOWS_PIPE_NAME"] = dogstatsdPipeName;
 
         Logger.LogInformation($"Configured named pipes - Trace: {tracePipeName}, DogStatsD: {dogstatsdPipeName}");

Original file line number	Diff line number	Diff line change
`@@ -241,7 +241,7 @@ internal static void ConfigureNamedPipes(ProcessStartInfo startInfo, OS os)`
`241`	`241`	`}`
`242`	`242`
`243`	`243`	`// Set environment variables for the spawned rust binary`
`244`		`- startInfo.EnvironmentVariables["DD_TRACE_WINDOWS_PIPE_NAME"] = tracePipeName;`
	`244`	`+ startInfo.EnvironmentVariables["DD_APM_WINDOWS_PIPE_NAME"] = tracePipeName;`
`245`	`245`	`startInfo.EnvironmentVariables["DD_DOGSTATSD_WINDOWS_PIPE_NAME"] = dogstatsdPipeName;`
`246`	`246`
`247`	`247`	`Logger.LogInformation($"Configured named pipes - Trace: {tracePipeName}, DogStatsD: {dogstatsdPipeName}");`