Assert muzzle tooling invocations do not create orphaned dd threads
MODIFY
buildSrc/src/main/groovy/MuzzlePlugin.groovy
buildSrc/src/main/groovy/MuzzlePlugin.groovy
@@ -15,6 +15,7 @@ import org.eclipse.aether.spi.connector.transport.TransporterFactory
import org.eclipse.aether.transport.http.HttpTransporterFactory
import org.eclipse.aether.version.Version
import org.gradle.api.Action
+import org.gradle.api.GradleException
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.Task
@@ -252,6 +253,12 @@ class MuzzlePlugin implements Plugin<Project> {
Method assertionMethod = agentCL.loadClass('datadog.trace.agent.tooling.muzzle.MuzzleVersionScanPlugin')
.getMethod('assertInstrumentationMuzzled', ClassLoader.class, boolean.class)
assertionMethod.invoke(null, userCL, muzzleDirective.assertPass)
+
+ for (Thread thread : Thread.getThreads()) {
+ if (thread.getName().startsWith("dd-")) {
+ throw new GradleException("Task $taskName has spawned a thread: $thread. This will prevent GC of dynamic muzzle classes. Aborting muzzle run.")
+ }
+ }
}
}
runAfter.finalizedBy(muzzleTask)

Assert muzzle tooling invocations do not create orphaned dd threads