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[fix][broker][branch-3.0] Fail fast if the extensible load manager fa…
…iled to start (apache#23297) (apache#23302) Co-authored-by: Yunze Xu <[email protected]> (cherry picked from commit 6d8b15d)
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120
...rc/test/java/org/apache/pulsar/broker/loadbalance/extensions/LoadManagerFailFastTest.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.loadbalance.extensions; | ||
|
|
||
| import java.util.Optional; | ||
| import lombok.Cleanup; | ||
| import org.apache.pulsar.broker.PulsarServerException; | ||
| import org.apache.pulsar.broker.PulsarService; | ||
| import org.apache.pulsar.broker.ServiceConfiguration; | ||
| import org.apache.pulsar.broker.loadbalance.LoadManager; | ||
| import org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitStateChannel; | ||
| import org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitStateChannelImpl; | ||
| import org.apache.pulsar.common.util.PortManager; | ||
| import org.apache.pulsar.zookeeper.LocalBookkeeperEnsemble; | ||
| import org.awaitility.Awaitility; | ||
| import org.mockito.Mockito; | ||
| import org.testng.Assert; | ||
| import org.testng.annotations.AfterClass; | ||
| import org.testng.annotations.BeforeClass; | ||
| import org.testng.annotations.Test; | ||
|
|
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| public class LoadManagerFailFastTest { | ||
|
|
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| private static final String cluster = "test"; | ||
| private final int zkPort = PortManager.nextLockedFreePort(); | ||
| private final LocalBookkeeperEnsemble bk = new LocalBookkeeperEnsemble(2, zkPort, PortManager::nextLockedFreePort); | ||
| private final ServiceConfiguration config = new ServiceConfiguration(); | ||
|
|
||
| @BeforeClass | ||
| protected void setup() throws Exception { | ||
| bk.start(); | ||
| config.setClusterName(cluster); | ||
| config.setAdvertisedAddress("localhost"); | ||
| config.setBrokerServicePort(Optional.of(0)); | ||
| config.setWebServicePort(Optional.of(0)); | ||
| config.setMetadataStoreUrl("zk:localhost:" + zkPort); | ||
| } | ||
|
|
||
| @AfterClass | ||
| protected void cleanup() throws Exception { | ||
| bk.stop(); | ||
| } | ||
|
|
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| @Test(timeOut = 30000) | ||
| public void testBrokerRegistryFailure() throws Exception { | ||
| config.setLoadManagerClassName(BrokerRegistryLoadManager.class.getName()); | ||
| @Cleanup final var pulsar = new PulsarService(config); | ||
| try { | ||
| pulsar.start(); | ||
| Assert.fail(); | ||
| } catch (PulsarServerException e) { | ||
| Assert.assertNull(e.getCause()); | ||
| Assert.assertEquals(e.getMessage(), "Cannot start BrokerRegistry"); | ||
| } | ||
| Assert.assertTrue(pulsar.getLocalMetadataStore().getChildren(LoadManager.LOADBALANCE_BROKERS_ROOT).get() | ||
| .isEmpty()); | ||
| } | ||
|
|
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| @Test(timeOut = 30000) | ||
| public void testServiceUnitStateChannelFailure() throws Exception { | ||
| config.setLoadManagerClassName(ChannelLoadManager.class.getName()); | ||
| @Cleanup final var pulsar = new PulsarService(config); | ||
| try { | ||
| pulsar.start(); | ||
| Assert.fail(); | ||
| } catch (PulsarServerException e) { | ||
| Assert.assertNull(e.getCause()); | ||
| Assert.assertEquals(e.getMessage(), "Cannot start ServiceUnitStateChannel"); | ||
| } | ||
| Awaitility.await().untilAsserted(() -> Assert.assertTrue(pulsar.getLocalMetadataStore() | ||
| .getChildren(LoadManager.LOADBALANCE_BROKERS_ROOT).get().isEmpty())); | ||
| } | ||
|
|
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| private static class BrokerRegistryLoadManager extends ExtensibleLoadManagerImpl { | ||
|
|
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| @Override | ||
| protected BrokerRegistry createBrokerRegistry(PulsarService pulsar) { | ||
| final var mockBrokerRegistry = Mockito.mock(BrokerRegistryImpl.class); | ||
| try { | ||
| Mockito.doThrow(new PulsarServerException("Cannot start BrokerRegistry")).when(mockBrokerRegistry) | ||
| .start(); | ||
| } catch (PulsarServerException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| return mockBrokerRegistry; | ||
| } | ||
| } | ||
|
|
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| private static class ChannelLoadManager extends ExtensibleLoadManagerImpl { | ||
|
|
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| @Override | ||
| protected ServiceUnitStateChannel createServiceUnitStateChannel(PulsarService pulsar) { | ||
| final var channel = Mockito.mock(ServiceUnitStateChannelImpl.class); | ||
| try { | ||
| Mockito.doThrow(new PulsarServerException("Cannot start ServiceUnitStateChannel")).when(channel) | ||
| .start(); | ||
| } catch (PulsarServerException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| Mockito.doAnswer(__ -> null).when(channel).listen(Mockito.any()); | ||
| return channel; | ||
| } | ||
| } | ||
| } |