Cleanup reservations

Author: TetyanaYahodska

compute/cloud-client/src/test/java/compute/reservation/ReservationIT.java

@@ -18,6 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.common.truth.Truth.assertWithMessage;
+import static compute.Util.isCreatedBeforeThresholdTime;
 
 import com.google.api.gax.rpc.NotFoundException;
 import com.google.cloud.compute.v1.Reservation;
@@ -82,9 +83,10 @@ public static void setUp()
     Util.cleanUpExistingInstanceTemplates("test-global-inst-temp-" + javaVersion, PROJECT_ID);
     Util.cleanUpExistingRegionalInstanceTemplates(
         "test-regional-inst-temp-" + javaVersion, PROJECT_ID, ZONE);
-    Util.cleanUpExistingReservations(
-        "test-reserv-global-" + javaVersion, PROJECT_ID, ZONE);
-    Util.cleanUpExistingReservations("test-reserv-regional-" + javaVersion, PROJECT_ID, ZONE);
+    cleanUpExistingReservations(PROJECT_ID, ZONE);
+    //Util.cleanUpExistingReservations(
+    //    "test-reserv-global-" + javaVersion, PROJECT_ID, ZONE);
+    //Util.cleanUpExistingReservations("test-reserv-regional-" + javaVersion, PROJECT_ID, ZONE);
 
     // Initialize the client once for all tests
     reservationsClient = ReservationsClient.create();
@@ -177,4 +179,16 @@ public void testCreateReservationWithRegionInstanceTemplate()
     Assert.assertTrue(reservation.getZone().contains(ZONE));
     Assert.assertEquals(RESERVATION_NAME_REGIONAL, reservation.getName());
   }
+
+  public static void cleanUpExistingReservations(
+      String projectId, String zone)
+      throws IOException, ExecutionException, InterruptedException, TimeoutException {
+    try (ReservationsClient reservationsClient = ReservationsClient.create()) {
+      for (Reservation reservation : reservationsClient.list(projectId, zone).iterateAll()) {
+        if (isCreatedBeforeThresholdTime(reservation.getCreationTimestamp())) {
+          DeleteReservation.deleteReservation(projectId, zone, reservation.getName());
+        }
+      }
+    }
+  }
 }