Change 'cloud.project.id' for GCP metadata to be the 'project-id' (#3316

)

Closes: #3311

Co-authored-by: Jonas Kunz <[email protected]>

CHANGELOG.asciidoc

@@ -31,21 +31,22 @@ Use subheadings with the "=====" level for adding notes for unreleased changes:
 
 === Unreleased
 
-[float]
-===== Bug fixes
-* Prevent bad serialization in edge cases for span compression - {pull}3293[#3293]
-* Allow overriding of transaction type for Servlet-API transactions - {pull}3226[#3226]
-* Fix micrometer histogram serialization - {pull}3290[#3290], {pull}3304[#3304]
-* Fix transactions not being correctly handled in certain edge cases - {pull}3294[#3294]
-
 [float]
 ===== Features
 * Add support for Elasticsearch client 8.9 - {pull}3283[#3283]
 * Added `baggage_to_attach` config option to allow automatic lifting of baggage into transaction, span and error attributes - {pull}3288[#3288], {pull}3289[#3289]
 * Exclude elasticsearch 8.10 and newer clients from instrumentation because they natively support OpenTelemetry  - {pull}3303[#3303]
 * Switched to OpenTelemetry compatible context propagation for Kafka - {pull}3300[#3300]
+* Changed `cloud.project.id` collected in Google Cloud (GCP) to be the `project-id` - {issues}3311[#3311]
 * Allow running the IntelliJ debug agent in parallel - {pull}3315[#3315]
 
+[float]
+===== Bug fixes
+* Prevent bad serialization in edge cases for span compression - {pull}3293[#3293]
+* Allow overriding of transaction type for Servlet-API transactions - {pull}3226[#3226]
+* Fix micrometer histogram serialization - {pull}3290[#3290], {pull}3304[#3304]
+* Fix transactions not being correctly handled in certain edge cases - {pull}3294[#3294]
+
 [[release-notes-1.x]]
 === Java Agent version 1.x
 

apm-agent-core/src/main/java/co/elastic/apm/agent/impl/metadata/CloudMetadataProvider.java

@@ -343,8 +343,7 @@ static CloudProviderInfo deserializeGcpMetadata(@Nullable String rawMetadata) th
         if (projectData instanceof Map) {
             @SuppressWarnings("unchecked") Map<String, Object> projectMap = (Map<String, Object>) projectData;
             String projectId = projectMap.get("projectId") instanceof String ? (String) projectMap.get("projectId") : null;
-            Long numericProjectId = projectMap.get("numericProjectId") instanceof Long ? (Long) projectMap.get("numericProjectId") : null;
-            cloudProviderInfo.setProject(new NameAndIdField(projectId, numericProjectId));
+            cloudProviderInfo.setProject(new NameAndIdField(null, projectId));
         } else {
             logger.warn("Error while parsing GCP metadata - expecting the value of the 'project' entry to be a map but it is not");
         }

apm-agent-core/src/test/java/co/elastic/apm/agent/impl/metadata/CloudMetadataProviderTest.java

@@ -41,8 +41,8 @@ void gcpMetadataDeserializeTest() throws IOException {
         assertThat(gcpMetadata.getInstance().getId()).isEqualTo("4306570268266786072");
         assertThat(gcpMetadata.getInstance().getName()).isEqualTo("basepi-test");
         assertThat(gcpMetadata.getAccount()).isNull();
-        assertThat(gcpMetadata.getProject().getId()).isEqualTo("513326162531");
-        assertThat(gcpMetadata.getProject().getName()).isEqualTo("elastic-apm");
+        assertThat(gcpMetadata.getProject().getId()).isEqualTo("elastic-apm");
+        assertThat(gcpMetadata.getProject().getName()).isNull();
         assertThat(gcpMetadata.getMachine().getType()).isEqualTo("n1-standard-1");
     }