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Use locking on async mapreduces
This ensures that only one will run at a time, which should help fix the clogged up mapreduces we've seen on sandbox. In order to do this, the UnlockerOutput is introduced. This unlocks the given Lock after all reducer shards have finished. Also increases the lease duration of the DNS refresh action from 20 to 240 minutes. 20 minutes isn't long enough; when there's a lot of domains and decent system load the mapreduce could take longer than that in the ordinary case. TESTED=Deployed to alpha and verified that more than one copy of the mapreduce wouldn't run simultaneously, and also that the lock is released when the mapreduce is finished. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=205887554
This commit is contained in:
mcilwain
jianglai
parent
0cdbf71daf
commit
ded40851d3
11 changed files with 360 additions and 89 deletions
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@ -52,11 +52,14 @@ import static google.registry.testing.TaskQueueHelper.assertTasksEnqueued;
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import static google.registry.util.DateTimeUtils.END_OF_TIME;
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import static org.joda.time.DateTimeZone.UTC;
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import static org.joda.time.Duration.millis;
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import static org.joda.time.Duration.standardDays;
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import static org.joda.time.Duration.standardHours;
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import static org.joda.time.Duration.standardSeconds;
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import static org.mockito.Matchers.anyString;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.verifyNoMoreInteractions;
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import static org.mockito.Mockito.when;
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import com.google.appengine.api.modules.ModulesService;
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import com.google.appengine.api.taskqueue.TaskOptions;
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@ -88,6 +91,7 @@ import google.registry.model.poll.PollMessage;
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import google.registry.model.poll.PollMessage.OneTime;
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import google.registry.model.registry.Registry;
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import google.registry.model.reporting.HistoryEntry;
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import google.registry.model.server.Lock;
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import google.registry.model.transfer.TransferData;
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import google.registry.model.transfer.TransferResponse;
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import google.registry.model.transfer.TransferStatus;
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@ -95,8 +99,10 @@ import google.registry.testing.FakeClock;
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import google.registry.testing.FakeResponse;
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import google.registry.testing.FakeSleeper;
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import google.registry.testing.InjectRule;
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import google.registry.testing.MockitoJUnitRule;
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import google.registry.testing.TaskQueueHelper.TaskMatcher;
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import google.registry.testing.mapreduce.MapreduceTestCase;
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import google.registry.util.RequestStatusChecker;
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import google.registry.util.Retrier;
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import google.registry.util.Sleeper;
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import google.registry.util.SystemSleeper;
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@ -108,17 +114,20 @@ import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import org.mockito.Mock;
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/** Unit tests for {@link DeleteContactsAndHostsAction}. */
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@RunWith(JUnit4.class)
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public class DeleteContactsAndHostsActionTest
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extends MapreduceTestCase<DeleteContactsAndHostsAction> {
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@Rule
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public final InjectRule inject = new InjectRule();
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@Rule public final InjectRule inject = new InjectRule();
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@Rule public final MockitoJUnitRule mocks = MockitoJUnitRule.create();
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AsyncFlowEnqueuer enqueuer;
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FakeClock clock = new FakeClock(DateTime.parse("2015-01-15T11:22:33Z"));
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private AsyncFlowEnqueuer enqueuer;
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private final FakeClock clock = new FakeClock(DateTime.parse("2015-01-15T11:22:33Z"));
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private final FakeResponse fakeResponse = new FakeResponse();
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@Mock private RequestStatusChecker requestStatusChecker;
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private void runMapreduce() throws Exception {
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clock.advanceBy(standardSeconds(5));
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@ -134,8 +143,17 @@ public class DeleteContactsAndHostsActionTest
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ofy().clearSessionCache();
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}
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/** Kicks off, but does not run, the mapreduce tasks. Useful for testing validation/setup. */
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private void enqueueMapreduceOnly() {
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clock.advanceBy(standardSeconds(5));
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action.run();
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clock.advanceBy(standardSeconds(5));
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ofy().clearSessionCache();
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}
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@Before
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public void setup() {
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inject.setStaticField(Ofy.class, "clock", clock);
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enqueuer =
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new AsyncFlowEnqueuer(
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getQueue(QUEUE_ASYNC_ACTIONS),
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@ -150,10 +168,13 @@ public class DeleteContactsAndHostsActionTest
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inject.setStaticField(DeleteEppResourceReducer.class, "asyncFlowMetrics", asyncFlowMetricsMock);
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action.clock = clock;
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action.mrRunner = makeDefaultRunner();
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action.response = new FakeResponse();
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action.requestStatusChecker = requestStatusChecker;
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action.response = fakeResponse;
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action.retrier = new Retrier(new FakeSleeper(clock), 1);
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action.queue = getQueue(QUEUE_ASYNC_DELETE);
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inject.setStaticField(Ofy.class, "clock", clock);
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when(requestStatusChecker.getLogId()).thenReturn("requestId");
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when(requestStatusChecker.isRunning(anyString()))
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.thenThrow(new AssertionError("Should not be called"));
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createTld("tld");
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clock.advanceOneMilli();
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@ -207,6 +228,35 @@ public class DeleteContactsAndHostsActionTest
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runSuccessfulContactDeletionTest(Optional.empty());
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}
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@Test
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public void test_cannotAcquireLock() {
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// Make lock acquisition fail.
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acquireLock();
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enqueueMapreduceOnly();
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assertThat(fakeResponse.getPayload()).isEqualTo("Can't acquire lock; aborting.");
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}
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@Test
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public void test_mapreduceHasWorkToDo_lockIsAcquired() {
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ContactResource contact = persistContactPendingDelete("blah8221");
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persistResource(newDomainResource("example.tld", contact));
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DateTime timeEnqueued = clock.nowUtc();
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enqueuer.enqueueAsyncDelete(
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contact,
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timeEnqueued,
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"TheRegistrar",
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Trid.create("fakeClientTrid", "fakeServerTrid"),
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false);
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enqueueMapreduceOnly();
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assertThat(acquireLock()).isEmpty();
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}
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@Test
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public void test_noTasksToLease_releasesLockImmediately() {
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enqueueMapreduceOnly();
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// If the Lock was correctly released, then we can acquire it now.
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assertThat(acquireLock()).isPresent();
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}
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private void runSuccessfulContactDeletionTest(Optional<String> clientTrid) throws Exception {
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ContactResource contact = persistContactWithPii("jim919");
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@ -454,7 +504,7 @@ public class DeleteContactsAndHostsActionTest
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"TheRegistrar",
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Trid.create("fakeClientTrid", "fakeServerTrid"),
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false);
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runMapreduce();
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enqueueMapreduceOnly();
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assertTasksEnqueued(
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QUEUE_ASYNC_DELETE,
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new TaskMatcher()
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@ -473,6 +523,7 @@ public class DeleteContactsAndHostsActionTest
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.param("serverTransactionId", "fakeServerTrid")
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.param("isSuperuser", "false")
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.param("requestedTime", timeBeforeRun.toString()));
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assertThat(acquireLock()).isPresent();
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}
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@Test
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@ -480,7 +531,7 @@ public class DeleteContactsAndHostsActionTest
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TaskOptions task =
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TaskOptions.Builder.withMethod(Method.PULL).param("gobbledygook", "kljhadfgsd9f7gsdfh");
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getQueue(QUEUE_ASYNC_DELETE).add(task);
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runMapreduce();
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enqueueMapreduceOnly();
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assertTasksEnqueued(
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QUEUE_ASYNC_DELETE,
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new TaskMatcher()
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@ -488,6 +539,7 @@ public class DeleteContactsAndHostsActionTest
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.etaDelta(standardHours(23), standardHours(25)));
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verify(action.asyncFlowMetrics).recordContactHostDeletionBatchSize(1L);
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verifyNoMoreInteractions(action.asyncFlowMetrics);
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assertThat(acquireLock()).isPresent();
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}
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@Test
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@ -507,7 +559,7 @@ public class DeleteContactsAndHostsActionTest
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"TheRegistrar",
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Trid.create("fakeClientTrid", "fakeServerTrid"),
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false);
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runMapreduce();
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enqueueMapreduceOnly();
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assertThat(loadByForeignKey(ContactResource.class, "blah2222", clock.nowUtc()))
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.isEqualTo(contact);
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assertThat(loadByForeignKey(HostResource.class, "rustles.your.jimmies", clock.nowUtc()))
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@ -519,6 +571,7 @@ public class DeleteContactsAndHostsActionTest
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verify(action.asyncFlowMetrics)
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.recordAsyncFlowResult(OperationType.HOST_DELETE, STALE, timeEnqueued);
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verifyNoMoreInteractions(action.asyncFlowMetrics);
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assertThat(acquireLock()).isPresent();
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}
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@Test
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@ -537,10 +590,11 @@ public class DeleteContactsAndHostsActionTest
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"TheRegistrar",
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Trid.create("fakeClientTrid", "fakeServerTrid"),
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false);
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runMapreduce();
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enqueueMapreduceOnly();
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assertThat(ofy().load().entity(contactDeleted).now()).isEqualTo(contactDeleted);
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assertThat(ofy().load().entity(hostDeleted).now()).isEqualTo(hostDeleted);
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assertNoTasksEnqueued(QUEUE_ASYNC_DELETE);
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assertThat(acquireLock()).isPresent();
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}
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@Test
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@ -894,4 +948,13 @@ public class DeleteContactsAndHostsActionTest
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.setNameservers(ImmutableSet.of(Key.create(host)))
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.build());
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}
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private Optional<Lock> acquireLock() {
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return Lock.acquire(
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DeleteContactsAndHostsAction.class.getSimpleName(),
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null,
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standardDays(30),
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requestStatusChecker,
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false);
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}
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}
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