Disable lettuce CONNECT spans by default (#10215)

Co-authored-by: Lauri Tulmin <ltulmin@splunk.com>

instrumentation/lettuce/README.md

@@ -1,5 +1,6 @@
 # Settings for the Lettuce instrumentation
 
 | System property                                             | Type    | Default | Description                                         |
-| ----------------------------------------------------------- | ------- | ------- | --------------------------------------------------- |
+|-------------------------------------------------------------|---------|---------|-----------------------------------------------------|
 | `otel.instrumentation.lettuce.experimental-span-attributes` | Boolean | `false` | Enable the capture of experimental span attributes. |
+| `otel.instrumentation.lettuce.connection-telemetry.enabled`    | Boolean | `false` | Enable the creation of Connect spans.               |

instrumentation/lettuce/lettuce-4.0/javaagent/build.gradle.kts

@@ -20,5 +20,6 @@ dependencies {
 tasks.withType<Test>().configureEach {
   // TODO run tests both with and without experimental span attributes
   jvmArgs("-Dotel.instrumentation.lettuce.experimental-span-attributes=true")
+  jvmArgs("-Dotel.instrumentation.lettuce.connection-telemetry.enabled=true")
   usesService(gradle.sharedServices.registrations["testcontainersBuildService"].service)
 }

instrumentation/lettuce/lettuce-4.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/lettuce/v4_0/LettuceSingletons.java

@@ -17,6 +17,7 @@ import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
 import io.opentelemetry.instrumentation.api.instrumenter.SpanKindExtractor;
 import io.opentelemetry.instrumentation.api.semconv.network.ServerAttributesExtractor;
 import io.opentelemetry.javaagent.bootstrap.internal.CommonConfig;
+import io.opentelemetry.javaagent.bootstrap.internal.InstrumentationConfig;
 
 public final class LettuceSingletons {
   private static final String INSTRUMENTATION_NAME = "io.opentelemetry.lettuce-4.0";
@@ -49,6 +50,9 @@ public final class LettuceSingletons {
                 PeerServiceAttributesExtractor.create(
                     netAttributesGetter, CommonConfig.get().getPeerServiceResolver()))
             .addAttributesExtractor(new LettuceConnectAttributesExtractor())
+            .setEnabled(
+                InstrumentationConfig.get()
+                    .getBoolean("otel.instrumentation.lettuce.connection-telemetry.enabled", false))
             .buildInstrumenter(SpanKindExtractor.alwaysClient());
   }
 

instrumentation/lettuce/lettuce-5.0/javaagent/build.gradle.kts

@@ -25,5 +25,6 @@ dependencies {
 tasks.withType<Test>().configureEach {
   // TODO run tests both with and without experimental span attributes
   jvmArgs("-Dotel.instrumentation.lettuce.experimental-span-attributes=true")
+  jvmArgs("-Dotel.instrumentation.lettuce.connection-telemetry.enabled=true")
   usesService(gradle.sharedServices.registrations["testcontainersBuildService"].service)
 }

instrumentation/lettuce/lettuce-5.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/lettuce/v5_0/LettuceSingletons.java

@@ -17,6 +17,7 @@ import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
 import io.opentelemetry.instrumentation.api.instrumenter.SpanKindExtractor;
 import io.opentelemetry.instrumentation.api.semconv.network.ServerAttributesExtractor;
 import io.opentelemetry.javaagent.bootstrap.internal.CommonConfig;
+import io.opentelemetry.javaagent.bootstrap.internal.InstrumentationConfig;
 
 public final class LettuceSingletons {
   private static final String INSTRUMENTATION_NAME = "io.opentelemetry.lettuce-5.0";
@@ -50,6 +51,9 @@ public final class LettuceSingletons {
                 PeerServiceAttributesExtractor.create(
                     connectNetworkAttributesGetter, CommonConfig.get().getPeerServiceResolver()))
             .addAttributesExtractor(new LettuceConnectAttributesExtractor())
+            .setEnabled(
+                InstrumentationConfig.get()
+                    .getBoolean("otel.instrumentation.lettuce.connection-telemetry.enabled", false))
             .buildInstrumenter(SpanKindExtractor.alwaysClient());
   }