fix: set default values for monitored resource (#2809)

frankyn · web-flow · commit 27829a48813a · 2024-11-05T15:21:37.000-08:00
* fix: set default values for monitored resource

* use variable...
diff --git a/google-cloud-storage/src/main/java/com/google/cloud/storage/OpenTelemetryBootstrappingUtils.java b/google-cloud-storage/src/main/java/com/google/cloud/storage/OpenTelemetryBootstrappingUtils.java
@@ -31,6 +31,7 @@
 import io.grpc.opentelemetry.GrpcOpenTelemetry;
 import io.opentelemetry.api.common.AttributeKey;
 import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.api.common.AttributesBuilder;
 import io.opentelemetry.api.internal.StringUtils;
 import io.opentelemetry.contrib.gcp.resource.GCPResourceProvider;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
@@ -196,24 +197,36 @@ static SdkMeterProvider createMeterProvider(
         shouldSuppressExceptions
             ? new PermissionDeniedSingleReportMetricsExporter(cloudMonitoringExporter)
             : cloudMonitoringExporter;
+    AttributesBuilder attributesBuilder =
+        Attributes.builder()
+            .put("gcp.resource_type", "storage.googleapis.com/Client")
+            .put("project_id", projectIdToUse)
+            .put("instance_id", UUID.randomUUID().toString())
+            .put("api", "grpc");
+    String detectedLocation = detectedAttributes.get(AttributeKey.stringKey("cloud.region"));
+    if (detectedLocation != null) {
+      attributesBuilder.put("location", detectedLocation);
+    } else {
+      attributesBuilder.put("location", "global");
+    }
+    String detectedCloudPlatform = detectedAttributes.get(AttributeKey.stringKey("cloud.platform"));
+    if (detectedCloudPlatform != null) {
+      attributesBuilder.put("cloud_platform", detectedCloudPlatform);
+    } else {
+      attributesBuilder.put("cloud_platform", "unknown");
+    }
+    String detectedHostId = detectedAttributes.get(AttributeKey.stringKey("host.id"));
+    if (detectedHostId != null) {
+      attributesBuilder.put("host_id", detectedHostId);
+    } else {
+      attributesBuilder.put("host_id", "unknown");
+    }
     providerBuilder
         .registerMetricReader(
             PeriodicMetricReader.builder(exporter)
                 .setInterval(java.time.Duration.ofSeconds(60))
                 .build())
-        .setResource(
-            Resource.create(
-                Attributes.builder()
-                    .put("gcp.resource_type", "storage.googleapis.com/Client")
-                    .put("location", detectedAttributes.get(AttributeKey.stringKey("cloud.region")))
-                    .put("project_id", projectIdToUse)
-                    .put(
-                        "cloud_platform",
-                        detectedAttributes.get(AttributeKey.stringKey("cloud.platform")))
-                    .put("host_id", detectedAttributes.get(AttributeKey.stringKey("host.id")))
-                    .put("instance_id", UUID.randomUUID().toString())
-                    .put("api", "grpc")
-                    .build()));
+        .setResource(Resource.create(attributesBuilder.build()));
 
     addHistogramView(
         providerBuilder, latencyHistogramBoundaries(), "grpc/client/attempt/duration", "s");
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/ITGrpcMetricsTest.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/ITGrpcMetricsTest.java
@@ -50,9 +50,15 @@ public void testGrpcMetrics() {
 
     // What the project ID will be will depend on the environment, so we just make sure it's present
     // and not null/empty
-    assertThat(result.contains("project_id"));
     assertThat(result).doesNotContain("project_id=\"\"");
     assertThat(result).doesNotContain("project_id=null");
+    assertThat(result).contains("project_id");
+    assertThat(result).contains("host_id");
+    assertThat(result).contains("cloud_platform");
+    assertThat(result).contains("location");
+    assertThat(result).contains("instance_id");
+    assertThat(result).contains("gcp.resource_type");
+    assertThat(result).contains("api");
 
     // This is the check for the Seconds histogram boundary. We can't practically check for every
     // boundary,
