Add monitoring_get_resource tag/code sample to monitoring snippets.

Author: dzlier-gcp

monitoring/cloud-client/src/main/java/com/example/monitoring/Snippets.java

@@ -24,6 +24,7 @@
 import com.google.cloud.monitoring.v3.MetricServiceClient.ListMetricDescriptorsPagedResponse;
 import com.google.cloud.monitoring.v3.MetricServiceClient.ListMonitoredResourceDescriptorsPagedResponse;
 import com.google.cloud.monitoring.v3.MetricServiceClient.ListTimeSeriesPagedResponse;
+import com.google.gson.Gson;
 import com.google.monitoring.v3.Aggregation;
 import com.google.monitoring.v3.CreateMetricDescriptorRequest;
 import com.google.monitoring.v3.CreateTimeSeriesRequest;
@@ -39,6 +40,7 @@
 import com.google.monitoring.v3.TypedValue;
 import com.google.protobuf.Duration;
 import com.google.protobuf.util.Timestamps;
+
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -49,8 +51,8 @@
 
 
 public class Snippets {
-
   private static final String CUSTOM_METRIC_DOMAIN = "custom.googleapis.com";
+  private static final Gson gson = new Gson();
 
   /**
    * Exercises the methods defined in this class.
@@ -392,6 +394,17 @@ void listMonitoredResources() throws IOException {
     // [END monitoring_list_resources]
   }
 
+  // [START monitoring_get_resource]
+  void getMonitoredResource(String resourceId) throws IOException {
+    String projectId = System.getProperty("projectId");
+    MetricServiceClient client = MetricServiceClient.create();
+    MonitoredResourceDescriptorName name = MonitoredResourceDescriptorName.of(projectId,
+        resourceId);
+    MonitoredResourceDescriptor response = client.getMonitoredResourceDescriptor(name);
+    System.out.println("Retrieved Monitored Resource: " + gson.toJson(response));
+  }
+  // [END monitoring_get_resource]
+
   /**
    * Gets full information for a monitored resource.
    *

monitoring/cloud-client/src/test/java/com/example/monitoring/SnippetsIT.java

@@ -20,6 +20,7 @@
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -70,6 +71,19 @@ public void testListMetricsDescriptor() throws Exception {
     assertThat(got).contains("metricDescriptors/bigquery.googleapis.com/query/count");
   }
 
+  @Test
+  public void testGetMetricsDescriptor() throws Exception {
+    // Act
+    System.setProperty("projectId", SnippetsIT.getProjectId());
+    Snippets snippets = new Snippets();
+
+    snippets.getMonitoredResource("api");
+
+    // Assert
+    String got = bout.toString();
+    assertThat(got).contains("Produced API");
+  }
+
   @Test
   public void testListTimeSeries() throws Exception {
     // Act