Initial commit of JmxScraper code.

.github/component_owners.yml

@@ -41,6 +41,10 @@ components:
     - sfriberg
   jmx-metrics:
     - breedx-splk
+  jmx-scraper:
+    - breedx-splk
+    - robsunday
+    - sylvainjuge
   maven-extension:
     - cyrille-leclerc
     - kenfinnigan
@@ -61,6 +65,7 @@ components:
     - jeanbisutti
   samplers:
     - trask
+    - jack-berg
   static-instrumenter:
     - anosek-an
   kafka-exporter:

aws-xray-propagator/build.gradle.kts

@@ -13,5 +13,7 @@ dependencies {
   testImplementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")
   testImplementation("io.opentelemetry:opentelemetry-sdk-trace")
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
+
+  testImplementation("io.opentelemetry:opentelemetry-sdk-extension-incubator")
   testImplementation("uk.org.webcompere:system-stubs-jupiter:2.0.3")
 }

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/AwsXrayLambdaPropagator.java

@@ -79,6 +79,11 @@ public <C> Context extract(Context context, @Nullable C carrier, TextMapGetter<C
         MapGetter.INSTANCE);
   }
 
+  @Override
+  public String toString() {
+    return "AwsXrayLambdaPropagator";
+  }
+
   private static boolean isEmptyOrNull(@Nullable String value) {
     return value == null || value.isEmpty();
   }

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/AwsXrayPropagator.java

@@ -169,6 +169,11 @@ public <C> Context extract(Context context, @Nullable C carrier, TextMapGetter<C
     return getContextFromHeader(context, carrier, getter);
   }
 
+  @Override
+  public String toString() {
+    return "AwsXrayPropagator";
+  }
+
   private static <C> Context getContextFromHeader(
       Context context, @Nullable C carrier, TextMapGetter<C> getter) {
     String traceHeader = getter.get(carrier, TRACE_HEADER_KEY);
@@ -290,7 +295,8 @@ private static String parseShortTraceId(String xrayTraceId) {
     int secondDelimiter = xrayTraceId.indexOf(TRACE_ID_DELIMITER, firstDelimiter + 2);
     if (firstDelimiter != TRACE_ID_DELIMITER_INDEX_1
         || secondDelimiter == -1
-        || secondDelimiter > TRACE_ID_DELIMITER_INDEX_2) {
+        || secondDelimiter > TRACE_ID_DELIMITER_INDEX_2
+        || xrayTraceId.length() < secondDelimiter + 25) {
       return TraceId.getInvalid();
     }
 

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/AwsConfigurablePropagator.java → aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/internal/AwsConfigurablePropagator.java

@@ -3,9 +3,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.contrib.awsxray.propagator;
+package io.opentelemetry.contrib.awsxray.propagator.internal;
 
 import io.opentelemetry.context.propagation.TextMapPropagator;
+import io.opentelemetry.contrib.awsxray.propagator.AwsXrayPropagator;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurablePropagatorProvider;
 

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/internal/AwsXrayComponentProvider.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.awsxray.propagator.internal;
+
+import io.opentelemetry.context.propagation.TextMapPropagator;
+import io.opentelemetry.contrib.awsxray.propagator.AwsXrayPropagator;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.StructuredConfigProperties;
+
+public class AwsXrayComponentProvider implements ComponentProvider<TextMapPropagator> {
+  @Override
+  public Class<TextMapPropagator> getType() {
+    return TextMapPropagator.class;
+  }
+
+  @Override
+  public String getName() {
+    return "xray";
+  }
+
+  @Override
+  public TextMapPropagator create(StructuredConfigProperties config) {
+    return AwsXrayPropagator.getInstance();
+  }
+}

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/internal/AwsXrayLambdaComponentProvider.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.awsxray.propagator.internal;
+
+import io.opentelemetry.context.propagation.TextMapPropagator;
+import io.opentelemetry.contrib.awsxray.propagator.AwsXrayLambdaPropagator;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.StructuredConfigProperties;
+
+public class AwsXrayLambdaComponentProvider implements ComponentProvider<TextMapPropagator> {
+  @Override
+  public Class<TextMapPropagator> getType() {
+    return TextMapPropagator.class;
+  }
+
+  @Override
+  public String getName() {
+    return "xray-lambda";
+  }
+
+  @Override
+  public TextMapPropagator create(StructuredConfigProperties config) {
+    return AwsXrayLambdaPropagator.getInstance();
+  }
+}

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/AwsXrayLambdaConfigurablePropagator.java → aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/internal/AwsXrayLambdaConfigurablePropagator.java

@@ -3,9 +3,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.contrib.awsxray.propagator;
+package io.opentelemetry.contrib.awsxray.propagator.internal;
 
 import io.opentelemetry.context.propagation.TextMapPropagator;
+import io.opentelemetry.contrib.awsxray.propagator.AwsXrayLambdaPropagator;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigurablePropagatorProvider;
 

aws-xray-propagator/src/main/resources/META-INF/services/io.opentelemetry.sdk.autoconfigure.spi.ConfigurablePropagatorProvider

@@ -1 +1 @@
-io.opentelemetry.contrib.awsxray.propagator.AwsConfigurablePropagator
+io.opentelemetry.contrib.awsxray.propagator.internal.AwsConfigurablePropagator

aws-xray-propagator/src/main/resources/META-INF/services/io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider

@@ -0,0 +1,2 @@
+io.opentelemetry.contrib.awsxray.propagator.internal.AwsXrayComponentProvider
+io.opentelemetry.contrib.awsxray.propagator.internal.AwsXrayLambdaComponentProvider

aws-xray-propagator/src/test/java/io/opentelemetry/contrib/awsxray/propagator/AwsXrayPropagatorTest.java

@@ -297,7 +297,7 @@ void extract_InvalidTraceId() {
   }
 
   @Test
-  void extract_InvalidTraceId_Size() {
+  void extract_InvalidTraceId_Size_TooBig() {
     Map<String, String> invalidHeaders = new LinkedHashMap<>();
     invalidHeaders.put(
         TRACE_HEADER_KEY,
@@ -306,6 +306,16 @@ void extract_InvalidTraceId_Size() {
     verifyInvalidBehavior(invalidHeaders);
   }
 
+  @Test
+  void extract_InvalidTraceId_Size_TooShort() {
+    Map<String, String> invalidHeaders = new LinkedHashMap<>();
+    invalidHeaders.put(
+        TRACE_HEADER_KEY,
+        "Root=1-64fbd5a9-2202432c9dfed25ae1e6996;Parent=53995c3f42cd8ad8;Sampled=0");
+
+    verifyInvalidBehavior(invalidHeaders);
+  }
+
   @Test
   void extract_InvalidSpanId() {
     Map<String, String> invalidHeaders = new LinkedHashMap<>();

aws-xray-propagator/src/test/java/io/opentelemetry/contrib/awsxray/propagator/internal/AwsComponentProviderTest.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.awsxray.propagator.internal;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.opentelemetry.context.propagation.TextMapPropagator;
+import io.opentelemetry.contrib.awsxray.propagator.AwsXrayLambdaPropagator;
+import io.opentelemetry.contrib.awsxray.propagator.AwsXrayPropagator;
+import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.extension.incubator.fileconfig.FileConfiguration;
+import java.io.ByteArrayInputStream;
+import java.nio.charset.StandardCharsets;
+import org.junit.jupiter.api.Test;
+
+class AwsComponentProviderTest {
+
+  @Test
+  void endToEnd() {
+    String yaml = "file_format: 0.1\n" + "propagator:\n" + "  composite: [xray, xray-lambda]\n";
+
+    OpenTelemetrySdk openTelemetrySdk =
+        FileConfiguration.parseAndCreate(
+            new ByteArrayInputStream(yaml.getBytes(StandardCharsets.UTF_8)));
+    TextMapPropagator expectedPropagator =
+        TextMapPropagator.composite(
+            AwsXrayPropagator.getInstance(), AwsXrayLambdaPropagator.getInstance());
+    assertThat(openTelemetrySdk.getPropagators().getTextMapPropagator().toString())
+        .isEqualTo(expectedPropagator.toString());
+  }
+}

aws-xray/src/main/java/io/opentelemetry/contrib/awsxray/AwsXrayRemoteSampler.java

@@ -28,6 +28,7 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ThreadLocalRandom;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
 import java.util.logging.Level;
@@ -40,7 +41,6 @@ public final class AwsXrayRemoteSampler implements Sampler, Closeable {
 
   static final long DEFAULT_TARGET_INTERVAL_NANOS = TimeUnit.SECONDS.toNanos(10);
 
-  private static final Random RANDOM = new Random();
   private static final Logger logger = Logger.getLogger(AwsXrayRemoteSampler.class.getName());
 
   private final Resource resource;
@@ -97,7 +97,7 @@ public static AwsXrayRemoteSamplerBuilder newBuilder(Resource resource) {
 
     this.pollingIntervalNanos = pollingIntervalNanos;
     // Add ~1% of jitter
-    jitterNanos = RANDOM.longs(0, pollingIntervalNanos / 100).iterator();
+    jitterNanos = ThreadLocalRandom.current().longs(0, pollingIntervalNanos / 100).iterator();
 
     // Execute first update right away on the executor thread.
     executor.execute(this::getAndUpdateSampler);

buildSrc/build.gradle.kts

@@ -15,7 +15,7 @@ dependencies {
   implementation("com.diffplug.spotless:spotless-plugin-gradle:6.25.0")
   implementation("net.ltgt.gradle:gradle-errorprone-plugin:4.0.1")
   implementation("net.ltgt.gradle:gradle-nullaway-plugin:2.0.0")
-  implementation("com.gradle.enterprise:com.gradle.enterprise.gradle.plugin:3.18")
+  implementation("com.gradle.enterprise:com.gradle.enterprise.gradle.plugin:3.18.1")
 }
 
 spotless {

consistent-sampling/src/main/java/io/opentelemetry/contrib/sampler/consistent56/ComposableSampler.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.sampler.consistent56;
+
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.api.trace.SpanKind;
+import io.opentelemetry.context.Context;
+import io.opentelemetry.sdk.trace.data.LinkData;
+import java.util.List;
+
+/** An interface for components to be used by composite consistent probability samplers. */
+public interface ComposableSampler {
+
+  /**
+   * Returns the SamplingIntent that is used for the sampling decision. The SamplingIntent includes
+   * the threshold value which will be used for the sampling decision.
+   *
+   * <p>NOTE: Keep in mind, that in any case the returned threshold value must not depend directly
+   * or indirectly on the random value. In particular this means that the parent sampled flag must
+   * not be used for the calculation of the threshold as the sampled flag depends itself on the
+   * random value.
+   */
+  SamplingIntent getSamplingIntent(
+      Context parentContext,
+      String name,
+      SpanKind spanKind,
+      Attributes attributes,
+      List<LinkData> parentLinks);
+
+  /** Return the string providing a description of the implementation. */
+  String getDescription();
+}

consistent-sampling/src/main/java/io/opentelemetry/contrib/sampler/consistent56/ConsistentAlwaysOffSampler.java

@@ -5,6 +5,13 @@
 
 package io.opentelemetry.contrib.sampler.consistent56;
 
+import static io.opentelemetry.contrib.sampler.consistent56.ConsistentSamplingUtil.getInvalidThreshold;
+
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.api.trace.SpanKind;
+import io.opentelemetry.context.Context;
+import io.opentelemetry.sdk.trace.data.LinkData;
+import java.util.List;
 import javax.annotation.concurrent.Immutable;
 
 @Immutable
@@ -19,8 +26,14 @@ static ConsistentAlwaysOffSampler getInstance() {
   }
 
   @Override
-  protected long getThreshold(long parentThreshold, boolean isRoot) {
-    return ConsistentSamplingUtil.getMaxThreshold();
+  public SamplingIntent getSamplingIntent(
+      Context parentContext,
+      String name,
+      SpanKind spanKind,
+      Attributes attributes,
+      List<LinkData> parentLinks) {
+
+    return () -> getInvalidThreshold();
   }
 
   @Override

consistent-sampling/src/main/java/io/opentelemetry/contrib/sampler/consistent56/ConsistentAlwaysOnSampler.java

@@ -7,6 +7,11 @@
 
 import static io.opentelemetry.contrib.sampler.consistent56.ConsistentSamplingUtil.getMinThreshold;
 
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.api.trace.SpanKind;
+import io.opentelemetry.context.Context;
+import io.opentelemetry.sdk.trace.data.LinkData;
+import java.util.List;
 import javax.annotation.concurrent.Immutable;
 
 @Immutable
@@ -21,8 +26,14 @@ static ConsistentAlwaysOnSampler getInstance() {
   }
 
   @Override
-  protected long getThreshold(long parentThreshold, boolean isRoot) {
-    return getMinThreshold();
+  public SamplingIntent getSamplingIntent(
+      Context parentContext,
+      String name,
+      SpanKind spanKind,
+      Attributes attributes,
+      List<LinkData> parentLinks) {
+
+    return () -> getMinThreshold();
   }
 
   @Override