gcp component provider

Author: zeitlinger

aws-resources/src/test/java/io/opentelemetry/contrib/aws/resource/ComponentProviderTest.java

@@ -10,8 +10,8 @@
 public class ComponentProviderTest {
 
   @Test
+  @SuppressWarnings("rawtypes")
   void providerIsLoaded() {
-    @SuppressWarnings("rawtypes")
     List<ComponentProvider> providers = SpiHelper.create(
             ComponentProviderTest.class.getClassLoader())
         .load(ComponentProvider.class);

gcp-resources/build.gradle.kts

@@ -9,6 +9,7 @@ otelJava.moduleName.set("io.opentelemetry.contrib.gcp.resource")
 
 dependencies {
   api("io.opentelemetry:opentelemetry-api")
+  compileOnly("io.opentelemetry:opentelemetry-api-incubator")
   api("io.opentelemetry:opentelemetry-sdk")
 
   // Provides GCP resource detection support
@@ -21,6 +22,7 @@ dependencies {
   implementation("com.fasterxml.jackson.core:jackson-core")
 
   testImplementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")
+  testImplementation("io.opentelemetry:opentelemetry-api-incubator")
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
 
   testImplementation("org.mockito:mockito-core")

gcp-resources/src/main/java/io/opentelemetry/contrib/gcp/resource/GcpResourceDetector.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.gcp.resource;
+
+import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import io.opentelemetry.sdk.resources.Resource;
+import io.opentelemetry.sdk.resources.ResourceBuilder;
+
+public class GcpResourceDetector implements ComponentProvider<Resource> {
+
+  @Override
+  public Class<Resource> getType() {
+    return Resource.class;
+  }
+
+  @Override
+  public String getName() {
+    return "gcp";
+  }
+
+  @Override
+  public Resource create(DeclarativeConfigProperties config) {
+    ResourceBuilder builder = Resource.builder();
+    builder.putAll(new GCPResourceProvider().getAttributes());
+    return builder.build();
+  }
+}

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

@@ -0,0 +1 @@
+io.opentelemetry.contrib.gcp.resource.GcpResourceDetector

gcp-resources/src/test/java/io/opentelemetry/contrib/gcp/resource/ComponentProviderTest.java

@@ -0,0 +1,21 @@
+package io.opentelemetry.contrib.gcp.resource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.opentelemetry.sdk.autoconfigure.internal.SpiHelper;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+public class ComponentProviderTest {
+
+  @Test
+  @SuppressWarnings("rawtypes")
+  void providerIsLoaded() {
+    List<ComponentProvider> providers = SpiHelper.create(
+            ComponentProviderTest.class.getClassLoader())
+        .load(ComponentProvider.class);
+    assertThat(providers).extracting(ComponentProvider::getName)
+        .containsExactly("gcp");
+  }
+}