Generate random strings for ds names

Author: whuffman36

samples/snippets/pom.xml

@@ -51,14 +51,14 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
-        <dependency>
-          <groupId>io.opentelemetry</groupId>
-          <artifactId>opentelemetry-bom</artifactId>
-          <version>1.48.0</version>
-          <type>pom</type>
-          <scope>import</scope>
-        </dependency>
-      </dependencies>
+      <dependency>
+        <groupId>io.opentelemetry</groupId>
+        <artifactId>opentelemetry-bom</artifactId>
+        <version>1.48.0</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
   </dependencyManagement>
 
   <dependencies>

samples/snippets/src/main/java/com/example/bigquery/EnableOpenTelemetryTracing.java

@@ -70,11 +70,16 @@ public static void enableOpenTelemetry(Tracer tracer, String datasetId) {
             .build();
     BigQuery bigquery = otelOptions.getService();
 
-    // Create dataset.
-    DatasetInfo info = DatasetInfo.newBuilder(datasetId).build();
-    Dataset dataset = bigquery.create(info);
-
-    bigquery.delete(datasetId);
+    try {
+      // Create dataset.
+      DatasetInfo info = DatasetInfo.newBuilder(datasetId).build();
+      Dataset dataset = bigquery.create(info);
+    } catch (Exception e) {
+      System.out.println(
+          String.format("Failed to create dataset: %s: %s", e.toString(), e.getMessage()));
+    } finally {
+      bigquery.delete(datasetId);
+    }
   }
 }
 // [END bigquery_enable_otel_tracing]

samples/snippets/src/main/java/com/example/bigquery/EnableOpenTelemetryTracingWithParentSpan.java

@@ -92,6 +92,9 @@ public static void enableOpenTelemetryWithParentSpan(
     try (Scope parentScope = parentSpan.makeCurrent()) {
       DatasetInfo info = DatasetInfo.newBuilder(datasetId).build();
       Dataset dataset = bigquery.create(info);
+    } catch (Exception e) {
+      System.out.println(
+          String.format("Failed to create dataset: %s: %s", e.toString(), e.getMessage()));
     } finally {
       // finally block ensures that Spans are cleaned up properly.
       parentSpan.end();

samples/snippets/src/test/java/com/example/bigquery/EnableOpenTelemetryTracingIT.java

@@ -18,6 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import com.google.cloud.bigquery.testing.RemoteBigQueryHelper;
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.api.trace.Tracer;
 import io.opentelemetry.exporter.logging.LoggingSpanExporter;
@@ -53,15 +54,15 @@ public void setUp() {
   @After
   public void tearDown() {
     // restores print statements in the original method
-    System.out.flush();
-    System.setOut(originalPrintStream);
+    System.err.flush();
+    System.setErr(originalPrintStream);
     log.log(Level.INFO, "\n" + bout.toString());
   }
 
   @Test
   public void testEnableOpenTelemetryTracing() {
     final String tracerName = "testSampleTracer";
-    final String datasetId = "testSampleDatasetId";
+    final String datasetId = RemoteBigQueryHelper.generateDatasetName();
 
     SdkTracerProvider tracerProvider =
         SdkTracerProvider.builder()

samples/snippets/src/test/java/com/example/bigquery/EnableOpenTelemetryTracingWithParentSpanIT.java

@@ -18,6 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import com.google.cloud.bigquery.testing.RemoteBigQueryHelper;
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.api.trace.Tracer;
 import io.opentelemetry.exporter.logging.LoggingSpanExporter;
@@ -54,16 +55,16 @@ public void setUp() {
   @After
   public void tearDown() {
     // restores print statements in the original method
-    System.out.flush();
-    System.setOut(originalPrintStream);
+    System.err.flush();
+    System.setErr(originalPrintStream);
     log.log(Level.INFO, "\n" + bout.toString());
   }
 
   @Test
   public void testEnableOpenTelemetryWithParentSpan() {
     final String tracerName = "testSampleTracer";
     final String parentSpanName = "testSampleParentSpan";
-    final String datasetId = "testSampleDatasetId";
+    final String datasetId = RemoteBigQueryHelper.generateDatasetName();
     final LocalDate currentDate = LocalDate.now();
 
     SdkTracerProvider tracerProvider =