Rname GCPResource -> GCPResourceDetector

detectors/resources-support/build.gradle

@@ -1,18 +1,33 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 plugins {
-    id 'java'
+	id 'java'
 }
 
 group 'org.example'
 
 repositories {
-    mavenCentral()
+	mavenCentral()
 }
 
 dependencies {
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
+	testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
+	testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
 }
 
 test {
-    useJUnitPlatform()
+	useJUnitPlatform()
 }

detectors/resources-support/src/main/java/com/google/cloud/opentelemetry/detectors/Main.java

@@ -1,7 +1,22 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.google.cloud.opentelemetry.detectors;
 
 public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello world!");
-    }
-}
+  public static void main(String[] args) {
+    System.out.println("Hello world!");
+  }
+}

detectors/resources/src/main/java/com/google/cloud/opentelemetry/detectors/GCPResource.java → detectors/resources/src/main/java/com/google/cloud/opentelemetry/detectors/GCPResourceDetector.java

@@ -29,19 +29,19 @@
  * Google Compute Engine (GCE), Google Kubernetes Engine (GKE), Google Cloud Functions (GCF), Google
  * App Engine (GAE) and Google Cloud Run (GCR).
  */
-public class GCPResource implements ResourceProvider {
+public class GCPResourceDetector implements ResourceProvider {
   private final GCPMetadataConfig metadata;
   private final EnvVars envVars;
 
-  private static final Logger LOGGER = Logger.getLogger(GCPResource.class.getSimpleName());
+  private static final Logger LOGGER = Logger.getLogger(GCPResourceDetector.class.getSimpleName());
 
-  public GCPResource() {
+  public GCPResourceDetector() {
     this.metadata = GCPMetadataConfig.DEFAULT_INSTANCE;
     this.envVars = EnvVars.DEFAULT_INSTANCE;
   }
 
   // for testing only
-  GCPResource(GCPMetadataConfig metadata, EnvVars envVars) {
+  GCPResourceDetector(GCPMetadataConfig metadata, EnvVars envVars) {
     this.metadata = metadata;
     this.envVars = envVars;
   }

detectors/resources/src/main/resources/META-INF/services/io.opentelemetry.sdk.autoconfigure.spi.ResourceProvider

@@ -1 +1 @@
-com.google.cloud.opentelemetry.detectors.GCPResource
+com.google.cloud.opentelemetry.detectors.GCPResourceDetector

detectors/resources/src/test/java/com/google/cloud/opentelemetry/detectors/GCPResourceTest.java → detectors/resources/src/test/java/com/google/cloud/opentelemetry/detectors/GCPResourceDetectorTest.java

@@ -36,7 +36,7 @@
 import org.mockito.Mockito;
 
 @RunWith(JUnit4.class)
-public class GCPResourceTest {
+public class GCPResourceDetectorTest {
   @Rule public final WireMockRule wireMockRule = new WireMockRule(8089);
   private final GCPMetadataConfig metadataConfig = new GCPMetadataConfig("http://localhost:8089/");
   private static final Map<String, String> envVars = new HashMap<>();
@@ -52,15 +52,16 @@ public void findsWithServiceLoader() {
         ServiceLoader.load(ResourceProvider.class, getClass().getClassLoader());
     assertTrue(
         "Could not load GCP Resource detector using serviceloader, found: " + services,
-        services.stream().anyMatch(provider -> provider.type().equals(GCPResource.class)));
+        services.stream().anyMatch(provider -> provider.type().equals(GCPResourceDetector.class)));
   }
 
   @Test
   public void testGCPComputeResourceNotGCP() {
     GCPMetadataConfig mockMetadataConfig = Mockito.mock(GCPMetadataConfig.class);
     Mockito.when(mockMetadataConfig.isRunningOnGcp()).thenReturn(false);
 
-    GCPResource testResource = new GCPResource(mockMetadataConfig, EnvVars.DEFAULT_INSTANCE);
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(mockMetadataConfig, EnvVars.DEFAULT_INSTANCE);
     // If GCPMetadataConfig determines that its not running on GCP, then attributes should be empty
     assertThat(testResource.getAttributes()).isEmpty();
   }
@@ -72,7 +73,8 @@ public void testGCPComputeResourceNonGCPEndpoint() {
     stubFor(
         get(urlEqualTo("/project/project-id"))
             .willReturn(aResponse().withBody("nonGCPendpointTest")));
-    GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(envVars));
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(envVars));
     assertThat(testResource.getAttributes()).isEmpty();
   }
 
@@ -85,7 +87,8 @@ public void testGCEResourceWithGCEAttributesSucceeds() {
     stubEndpoint("/instance/name", "GCE-instance-name");
     stubEndpoint("/instance/machine-type", "GCE-instance-type");
 
-    final GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(envVars));
+    final GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(envVars));
     assertThat(testResource.getAttributes())
         .hasSize(8)
         .containsEntry(
@@ -118,7 +121,8 @@ public void testGKEResourceWithGKEAttributesSucceedsLocationZone() {
     stubEndpoint("/instance/attributes/cluster-name", "GKE-cluster-name");
     stubEndpoint("/instance/attributes/cluster-location", "country-region-zone");
 
-    GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(envVars));
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(envVars));
     assertThat(testResource.getAttributes())
         .hasSize(8)
         .containsEntry(ResourceAttributes.CLOUD_PROVIDER, "gcp")
@@ -147,7 +151,8 @@ public void testGKEResourceWithGKEAttributesSucceedsLocationRegion() {
     stubEndpoint("/instance/attributes/cluster-name", "GKE-cluster-name");
     stubEndpoint("/instance/attributes/cluster-location", "country-region");
 
-    GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(envVars));
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(envVars));
     assertThat(testResource.getAttributes())
         .hasSize(8)
         .containsEntry(ResourceAttributes.CLOUD_PROVIDER, "gcp")
@@ -172,7 +177,8 @@ public void testGCFResourceWithCloudFunctionAttributesSucceeds() {
     stubEndpoint("/instance/zone", "country-region-zone");
     stubEndpoint("/instance/id", "GCF-instance-id");
 
-    GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(envVars));
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(envVars));
     assertThat(testResource.getAttributes())
         .hasSize(7)
         .containsEntry(
@@ -200,7 +206,8 @@ public void testGAEResourceWithAppEngineAttributesSucceedsInFlex() {
     stubEndpoint("/instance/region", "country-region1");
     stubEndpoint("/instance/id", "GAE-instance-id");
 
-    GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(envVars));
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(envVars));
     assertThat(testResource.getAttributes())
         .hasSize(7)
         .containsEntry(
@@ -229,7 +236,8 @@ public void testGAEResourceWithAppEngineAttributesSucceedsInStandard() {
 
     Map<String, String> updatedEnvVars = new HashMap<>(envVars);
     updatedEnvVars.put("GAE_ENV", "standard");
-    GCPResource testResource = new GCPResource(metadataConfig, new EnvVarMock(updatedEnvVars));
+    GCPResourceDetector testResource =
+        new GCPResourceDetector(metadataConfig, new EnvVarMock(updatedEnvVars));
     assertThat(testResource.getAttributes())
         .hasSize(7)
         .containsEntry(

e2e-test-server/src/main/java/com/google/cloud/opentelemetry/endtoend/ScenarioHandlerManager.java

@@ -15,7 +15,7 @@
  */
 package com.google.cloud.opentelemetry.endtoend;
 
-import com.google.cloud.opentelemetry.detectors.GCPResource;
+import com.google.cloud.opentelemetry.detectors.GCPResourceDetector;
 import com.google.cloud.opentelemetry.propagators.XCloudTraceContextPropagator;
 import com.google.cloud.opentelemetry.trace.TraceConfiguration;
 import com.google.cloud.opentelemetry.trace.TraceExporter;
@@ -89,7 +89,7 @@ private Response basicTrace(Request request) {
   private Response detectResource(Request request) {
     LOGGER.info("Running detectResource test, request: " + request.toString());
     Resource gcpResource =
-        new GCPResource()
+        new GCPResourceDetector()
             .createResource(
                 DefaultConfigProperties.create(
                     Map.of("otel.traces.exporter", "none", "otel.metrics.exporter", "none")));

examples/resource/src/main/java/com/google/cloud/opentelemetry/example/resource/ResourceExample.java

@@ -15,7 +15,7 @@
  */
 package com.google.cloud.opentelemetry.example.resource;
 
-import com.google.cloud.opentelemetry.detectors.GCPResource;
+import com.google.cloud.opentelemetry.detectors.GCPResourceDetector;
 import io.opentelemetry.sdk.autoconfigure.ResourceConfiguration;
 import io.opentelemetry.sdk.resources.Resource;
 
@@ -25,7 +25,7 @@ public static void main(String[] args) {
     Resource autoResource = ResourceConfiguration.createEnvironmentResource();
     System.out.println(autoResource.getAttributes());
     System.out.println("Detecting resource: hardcoded");
-    GCPResource resource = new GCPResource();
-    System.out.println(resource.getAttributes());
+    GCPResourceDetector resourceDetector = new GCPResourceDetector();
+    System.out.println(resourceDetector.getAttributes());
   }
 }