add declarative config for baggage

Author: zeitlinger

baggage-processor/build.gradle.kts

@@ -8,13 +8,29 @@ description = "OpenTelemetry Baggage Span Processor"
 otelJava.moduleName.set("io.opentelemetry.contrib.baggage.processor")
 
 dependencies {
+  annotationProcessor("com.google.auto.service:auto-service")
+  compileOnly("com.google.auto.service:auto-service-annotations")
   api("io.opentelemetry:opentelemetry-api")
   api("io.opentelemetry:opentelemetry-sdk")
   implementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure-spi")
+  compileOnly("io.opentelemetry:opentelemetry-sdk-common")
+  compileOnly("io.opentelemetry:opentelemetry-sdk-extension-incubator")
 
+  testAnnotationProcessor("com.google.auto.service:auto-service")
+  testCompileOnly("com.google.auto.service:auto-service-annotations")
+  testImplementation("io.opentelemetry:opentelemetry-sdk-common")
   testImplementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")
+  testImplementation("io.opentelemetry:opentelemetry-sdk-extension-incubator")
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
   testImplementation("org.mockito:mockito-inline")
   testImplementation("com.google.guava:guava")
   testImplementation("org.awaitility:awaitility")
 }
+
+configurations.all {
+  // todo remove version number before merging, should be provided by the bom
+  resolutionStrategy {
+    force("io.opentelemetry:opentelemetry-sdk-common:1.52.0")
+    force("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure:1.52.0")
+  }
+}

baggage-processor/src/main/java/io/opentelemetry/contrib/baggage/processor/BaggageLogRecordComponentProvider.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.baggage.processor;
+
+import com.google.auto.service.AutoService;
+import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import io.opentelemetry.sdk.internal.IncludeExcludePredicate;
+import io.opentelemetry.sdk.logs.LogRecordProcessor;
+
+@SuppressWarnings("rawtypes")
+@AutoService(ComponentProvider.class)
+public class BaggageLogRecordComponentProvider implements ComponentProvider<LogRecordProcessor> {
+  @Override
+  public String getName() {
+    return "baggage";
+  }
+
+  @Override
+  public LogRecordProcessor create(DeclarativeConfigProperties config) {
+    return new BaggageLogRecordProcessor(
+        IncludeExcludePredicate.createPatternMatching(
+            config.getScalarList("included", String.class),
+            config.getScalarList("excluded", String.class)));
+  }
+
+  @Override
+  public Class<LogRecordProcessor> getType() {
+    return LogRecordProcessor.class;
+  }
+}

baggage-processor/src/main/java/io/opentelemetry/contrib/baggage/processor/BaggageProcessorCustomizer.java

@@ -5,13 +5,15 @@
 
 package io.opentelemetry.contrib.baggage.processor;
 
+import com.google.auto.service.AutoService;
 import io.opentelemetry.sdk.autoconfigure.spi.AutoConfigurationCustomizer;
 import io.opentelemetry.sdk.autoconfigure.spi.AutoConfigurationCustomizerProvider;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.logs.SdkLoggerProviderBuilder;
 import io.opentelemetry.sdk.trace.SdkTracerProviderBuilder;
 import java.util.List;
 
+@AutoService(AutoConfigurationCustomizerProvider.class)
 public class BaggageProcessorCustomizer implements AutoConfigurationCustomizerProvider {
   @Override
   public void customize(AutoConfigurationCustomizer autoConfigurationCustomizer) {

baggage-processor/src/main/java/io/opentelemetry/contrib/baggage/processor/BaggageSpanComponentProvider.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.baggage.processor;
+
+import com.google.auto.service.AutoService;
+import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import io.opentelemetry.sdk.internal.IncludeExcludePredicate;
+import io.opentelemetry.sdk.trace.SpanProcessor;
+
+@SuppressWarnings("rawtypes")
+@AutoService(ComponentProvider.class)
+public class BaggageSpanComponentProvider implements ComponentProvider<SpanProcessor> {
+  @Override
+  public String getName() {
+    return "baggage";
+  }
+
+  @Override
+  public SpanProcessor create(DeclarativeConfigProperties config) {
+    return new BaggageSpanProcessor(
+        IncludeExcludePredicate.createPatternMatching(
+            config.getScalarList("included", String.class),
+            config.getScalarList("excluded", String.class)));
+  }
+
+  @Override
+  public Class<SpanProcessor> getType() {
+    return SpanProcessor.class;
+  }
+}