feat: Add CreateBlob for HTTP

google-cloud-storage/src/main/java/com/google/cloud/storage/spi/v1/HttpStorageRpc.java

@@ -360,7 +360,7 @@ private Span startSpan(String spanName) {
 
   @Override
   public Bucket create(Bucket bucket, Map<Option, ?> options) {
-    OpenTelemetryTraceUtil.Span otelSpan = openTelemetryTraceUtil.startSpan("create(Bucket,Map)");
+    OpenTelemetryTraceUtil.Span otelSpan = openTelemetryTraceUtil.startSpan("create");
     Span span = startSpan(HttpStorageRpcSpans.SPAN_NAME_CREATE_BUCKET);
     Scope scope = tracer.withSpan(span);
     try (OpenTelemetryTraceUtil.Scope unused = otelSpan.makeCurrent()) {
@@ -388,9 +388,10 @@ public Bucket create(Bucket bucket, Map<Option, ?> options) {
   @Override
   public StorageObject create(
       StorageObject storageObject, final InputStream content, Map<Option, ?> options) {
+    OpenTelemetryTraceUtil.Span otelSpan = openTelemetryTraceUtil.startSpan("create");
     Span span = startSpan(HttpStorageRpcSpans.SPAN_NAME_CREATE_OBJECT);
     Scope scope = tracer.withSpan(span);
-    try {
+    try (OpenTelemetryTraceUtil.Scope unused = otelSpan.makeCurrent()) {
       Storage.Objects.Insert insert =
           storage
               .objects()
@@ -415,9 +416,12 @@ public StorageObject create(
           .setKmsKeyName(Option.KMS_KEY_NAME.getString(options))
           .execute();
     } catch (IOException ex) {
+      otelSpan.recordException(ex);
+      otelSpan.setStatus(StatusCode.ERROR, ex.getClass().getSimpleName());
       span.setStatus(Status.UNKNOWN.withDescription(ex.getMessage()));
       throw translate(ex);
     } finally {
+      otelSpan.end();
       scope.close();
       span.end(HttpStorageRpcSpans.END_SPAN_OPTIONS);
     }

google-cloud-storage/src/test/java/com/google/cloud/storage/ITHttpOpenTelemetryTest.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2024 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.storage;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import com.google.cloud.NoCredentials;
+import com.google.cloud.storage.it.runner.StorageITRunner;
+import com.google.cloud.storage.it.runner.annotations.Backend;
+import com.google.cloud.storage.it.runner.annotations.Inject;
+import com.google.cloud.storage.it.runner.annotations.SingleBackend;
+import com.google.cloud.storage.it.runner.registry.Generator;
+import com.google.cloud.storage.it.runner.registry.TestBench;
+import io.opentelemetry.api.common.AttributeKey;
+import io.opentelemetry.sdk.OpenTelemetrySdk;
+import io.opentelemetry.sdk.trace.SdkTracerProvider;
+import io.opentelemetry.sdk.trace.data.SpanData;
+import io.opentelemetry.sdk.trace.export.SimpleSpanProcessor;
+import io.opentelemetry.sdk.trace.export.SpanExporter;
+import java.util.List;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(StorageITRunner.class)
+@SingleBackend(Backend.TEST_BENCH)
+public class ITHttpOpenTelemetryTest {
+  @Inject public TestBench testBench;
+  private StorageOptions options;
+  private SpanExporter exporter;
+  private Storage storage;
+  @Inject public Generator generator;
+  @Inject public BucketInfo testBucket;
+
+  @Before
+  public void setUp() {
+    exporter = new TestExporter();
+    OpenTelemetrySdk openTelemetrySdk =
+        OpenTelemetrySdk.builder()
+            .setTracerProvider(
+                SdkTracerProvider.builder()
+                    .addSpanProcessor(SimpleSpanProcessor.create(exporter))
+                    .build())
+            .build();
+    options =
+        StorageOptions.http()
+            .setHost(testBench.getBaseUri())
+            .setProjectId("projectId")
+            .setCredentials(NoCredentials.getInstance())
+            .setOpenTelemetrySdk(openTelemetrySdk)
+            .build();
+    storage = options.getService();
+  }
+
+  @Test
+  public void runCreateBucket() {
+    String bucket = "random-bucket";
+    storage.create(BucketInfo.of(bucket));
+    TestExporter testExported = (TestExporter) exporter;
+    SpanData spanData = testExported.getExportedSpans().get(0);
+    Assert.assertEquals("Storage", getAttributeValue(spanData, "gcp.client.service"));
+    Assert.assertEquals("googleapis/java-storage", getAttributeValue(spanData, "gcp.client.repo"));
+    Assert.assertEquals(
+        "com.google.cloud.google-cloud-storage",
+        getAttributeValue(spanData, "gcp.client.artifact"));
+    Assert.assertEquals("http", getAttributeValue(spanData, "rpc.system"));
+  }
+
+  @Test
+  public void runCreateBlob() {
+    byte[] content = "Hello, World!".getBytes(UTF_8);
+    BlobId toCreate = BlobId.of(testBucket.getName(), generator.randomObjectName());
+    storage.create(BlobInfo.newBuilder(toCreate).build(), content);
+    TestExporter testExported = (TestExporter) exporter;
+    List<SpanData> spanData = testExported.getExportedSpans();
+    for (SpanData span : spanData) {
+      Assert.assertEquals("Storage", getAttributeValue(span, "gcp.client.service"));
+      Assert.assertEquals("googleapis/java-storage", getAttributeValue(span, "gcp.client.repo"));
+      Assert.assertEquals(
+          "com.google.cloud.google-cloud-storage", getAttributeValue(span, "gcp.client.artifact"));
+      Assert.assertEquals("http", getAttributeValue(span, "rpc.system"));
+    }
+  }
+
+  private String getAttributeValue(SpanData spanData, String key) {
+    return spanData.getAttributes().get(AttributeKey.stringKey(key)).toString();
+  }
+}