cloud foundry component provider

Author: zeitlinger

cloudfoundry-resources/build.gradle.kts

@@ -9,6 +9,7 @@ otelJava.moduleName.set("io.opentelemetry.contrib.cloudfoundry.resources")
 
 dependencies {
   api("io.opentelemetry:opentelemetry-api")
+  compileOnly("io.opentelemetry:opentelemetry-api-incubator")
   api("io.opentelemetry:opentelemetry-sdk")
   compileOnly("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure-spi")
 
@@ -19,6 +20,7 @@ dependencies {
   testImplementation("io.opentelemetry.semconv:opentelemetry-semconv-incubating")
 
   testImplementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")
+  testImplementation("io.opentelemetry:opentelemetry-api-incubator")
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
   testImplementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure-spi")
 }

cloudfoundry-resources/src/main/java/io/opentelemetry/contrib/cloudfoundry/resources/CloudFoundryResourceDetector.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.cloudfoundry.resources;
+
+import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
+import io.opentelemetry.sdk.resources.Resource;
+
+public class CloudFoundryResourceDetector implements ComponentProvider<Resource> {
+
+  @Override
+  public Class<Resource> getType() {
+    return Resource.class;
+  }
+
+  @Override
+  public String getName() {
+    return "cloud_foundry";
+  }
+
+  @Override
+  public Resource create(DeclarativeConfigProperties config) {
+    return CloudFoundryResource.get();
+  }
+}

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

@@ -0,0 +1 @@
+io.opentelemetry.contrib.cloudfoundry.resources.CloudFoundryResourceDetector

cloudfoundry-resources/src/test/java/io/opentelemetry/contrib/cloudfoundry/resources/ComponentProviderTest.java

@@ -0,0 +1,21 @@
+package io.opentelemetry.contrib.cloudfoundry.resources;
+
+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("cloud_foundry");
+  }
+}