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STORM-4154 - fix: Nimbus downtime during topology deployment #3833

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merged 2 commits into from
Jan 14, 2025
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Merged

STORM-4154 - fix: Nimbus downtime during topology deployment #3833

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2602253
fix: Nimbus downtime during topology deployment
DiogoP98 Jan 13, 2025
bdc3a13
add tests for method
DiogoP98 Jan 13, 2025
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add tests for method
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@DiogoP98
DiogoP98 committed Jan 13, 2025
commit bdc3a1362031de429032acd6706500d72805b5f8
90 changes: 89 additions & 1 deletion storm-server/src/test/java/org/apache/storm/daemon/nimbus/NimbusTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,24 +25,75 @@

import org.apache.storm.Config;
import org.apache.storm.DaemonConfig;
import org.apache.storm.blobstore.BlobStore;
import org.apache.storm.blobstore.KeySequenceNumber;
import org.apache.storm.blobstore.LocalFsBlobStore;
import org.apache.storm.cluster.IStormClusterState;
import org.apache.storm.generated.InvalidTopologyException;
import org.apache.storm.generated.KeyNotFoundException;
import org.apache.storm.generated.StormTopology;
import org.apache.storm.metric.StormMetricsRegistry;
import org.apache.storm.nimbus.ILeaderElector;
import org.apache.storm.nimbus.NimbusInfo;
import org.apache.storm.scheduler.INimbus;
import org.apache.storm.scheduler.resource.strategies.priority.DefaultSchedulingPriorityStrategy;
import org.apache.storm.scheduler.resource.strategies.scheduling.DefaultResourceAwareStrategy;
import org.apache.storm.scheduler.resource.strategies.scheduling.GenericResourceAwareStrategyOld;
import org.apache.storm.scheduler.resource.strategies.scheduling.RoundRobinResourceAwareStrategy;
import org.apache.storm.security.auth.IGroupMappingServiceProvider;
import org.apache.storm.testing.TestWordSpout;
import org.apache.storm.thrift.TException;
import org.apache.storm.topology.TopologyBuilder;
import org.apache.storm.utils.ServerUtils;
import org.apache.storm.utils.Time;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockedConstruction;
import org.mockito.MockitoAnnotations;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.mockConstruction;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

class NimbusTest {
private static final String BLOB_FILE_KEY = "file-key";

@Mock
private StormMetricsRegistry metricRegistry;
@Mock
private INimbus iNimbus;
@Mock
private IStormClusterState stormClusterState;
@Mock
private NimbusInfo nimbusInfo;
@Mock
private LocalFsBlobStore localBlobStore;
@Mock
private ILeaderElector leaderElector;
@Mock
private IGroupMappingServiceProvider groupMapper;

private Nimbus nimbus;

@BeforeEach
public void setUp() throws Exception {
MockitoAnnotations.openMocks(this).close();

Map<String, Object> conf = Map.of(DaemonConfig.NIMBUS_MONITOR_FREQ_SECS, 10);
nimbus = new Nimbus(conf, iNimbus, stormClusterState, nimbusInfo, localBlobStore, leaderElector, groupMapper, metricRegistry);
}

public class NimbusTest {
@Test
public void testMemoryLoadLargerThanMaxHeapSize() {
// Topology will not be able to be successfully scheduled: Config TOPOLOGY_WORKER_MAX_HEAP_SIZE_MB=128.0 < 129.0,
Expand Down Expand Up @@ -112,4 +163,41 @@ public void validateNoTopoConfOverrides() {
Map<String, Object> normalized = Nimbus.normalizeConf(conf, topoConf, topology);
assertNull(normalized.get(Config.STORM_WORKERS_ARTIFACTS_DIR));
}

@Test
void testCreateStateInZookeeper() throws TException {
nimbus.createStateInZookeeper(BLOB_FILE_KEY);

verify(stormClusterState).setupBlob(eq(BLOB_FILE_KEY), eq(nimbusInfo), any());
}

@Test
void testCreateStateInZookeeperWithoutLocalFsBlobStoreInstanceShouldNotCreate() throws Exception {
BlobStore blobStore = mock(BlobStore.class);
Map<String, Object> conf = Map.of(DaemonConfig.NIMBUS_MONITOR_FREQ_SECS, 10);
nimbus = new Nimbus(conf, iNimbus, stormClusterState, nimbusInfo, blobStore, leaderElector, groupMapper, metricRegistry);

nimbus.createStateInZookeeper(BLOB_FILE_KEY);

verify(stormClusterState, never()).setupBlob(eq(BLOB_FILE_KEY), eq(nimbusInfo), any());
}

@Test
void testCreateStateInZookeeperWhenFailToSetupBlobWithRuntimeExceptionThrowsRuntimeException() {
doThrow(new RuntimeException("Failed to setup blob")).when(stormClusterState).setupBlob(eq(BLOB_FILE_KEY), eq(nimbusInfo), any());

assertThrows(RuntimeException.class, () -> nimbus.createStateInZookeeper(BLOB_FILE_KEY));
verify(stormClusterState).setupBlob(eq(BLOB_FILE_KEY), eq(nimbusInfo), any());
}

@Test
void testCreateStateInZookeeperWhenKeyNotFoundHandlesException() throws Exception {
try (MockedConstruction<KeySequenceNumber> keySequenceNumber = mockConstruction(KeySequenceNumber.class, (mock, context) ->
when(mock.getKeySequenceNumber(any())).thenThrow(new KeyNotFoundException("Failed to setup blob")))) {
nimbus.createStateInZookeeper(BLOB_FILE_KEY);

verify(keySequenceNumber.constructed().get(0)).getKeySequenceNumber(any());
verify(stormClusterState, never()).setupBlob(eq(BLOB_FILE_KEY), eq(nimbusInfo), any());
}
}
}
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