add spring boot distro version

Author: zeitlinger

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/resources/DistroVersionResourceProvider.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.instrumentation.spring.autoconfigure.resources;
+
+import io.opentelemetry.api.common.AttributeKey;
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.instrumentation.api.internal.EmbeddedInstrumentationProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.ResourceProvider;
+import io.opentelemetry.sdk.resources.Resource;
+
+public class DistroVersionResourceProvider implements ResourceProvider {
+
+  public static final String VERSION =
+      EmbeddedInstrumentationProperties.findVersion("io.opentelemetry.spring-boot-autoconfigure");
+
+  private static final AttributeKey<String> TELEMETRY_DISTRO_NAME =
+      AttributeKey.stringKey("telemetry.distro.name");
+  private static final AttributeKey<String> TELEMETRY_DISTRO_VERSION =
+      AttributeKey.stringKey("telemetry.distro.version");
+
+  @Override
+  public Resource createResource(ConfigProperties config) {
+    return Resource.create(
+        Attributes.of(
+            TELEMETRY_DISTRO_NAME,
+            "opentelemetry-spring-boot-starter",
+            TELEMETRY_DISTRO_VERSION,
+            VERSION));
+  }
+}

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/resources/OtelResourceAutoConfiguration.java

@@ -37,6 +37,11 @@ public ResourceProvider otelResourceProvider(
     return new SpringResourceProvider(otelSpringResourceProperties, otelResourceProperties);
   }
 
+  @Bean
+  public ResourceProvider otelDistroVersionResourceProvider() {
+    return new DistroVersionResourceProvider();
+  }
+
   @Bean
   @ConditionalOnClass(OsResource.class)
   public ResourceProvider otelOsResourceProvider() {

instrumentation/spring/spring-boot-autoconfigure/src/test/java/io/opentelemetry/instrumentation/spring/autoconfigure/resources/DistroVersionResourceProviderTest.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.instrumentation.spring.autoconfigure.resources;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.google.common.collect.ImmutableMap;
+import io.opentelemetry.api.common.AttributeKey;
+import io.opentelemetry.sdk.autoconfigure.spi.ResourceProvider;
+import io.opentelemetry.sdk.autoconfigure.spi.internal.DefaultConfigProperties;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+
+public class DistroVersionResourceProviderTest {
+  private final ApplicationContextRunner contextRunner =
+      new ApplicationContextRunner()
+          .withConfiguration(AutoConfigurations.of(OtelResourceAutoConfiguration.class));
+
+  @Test
+  @DisplayName("distro version should be set")
+  void hasAttributes() {
+
+    this.contextRunner.run(
+        context -> {
+          ResourceProvider resource =
+              context.getBean("otelDistroVersionResourceProvider", ResourceProvider.class);
+
+          assertThat(
+                  resource
+                      .createResource(DefaultConfigProperties.createFromMap(ImmutableMap.of()))
+                      .getAttributes()
+                      .asMap())
+              .containsEntry(
+                  AttributeKey.stringKey("telemetry.distro.name"),
+                  "opentelemetry-spring-boot-starter")
+              .anySatisfy(
+                  (key, val) -> {
+                    assertThat(key.getKey()).isEqualTo("telemetry.distro.version");
+                    assertThat(val).asString().matches("\\d\\.\\d\\.\\d-alpha-SNAPSHOT");
+                  });
+        });
+  }
+}