| /* |
| * 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.reporter; |
| |
| import static org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitStateChannelImpl.VERSION_ID_INIT; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.testng.Assert.assertEquals; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.commons.lang.reflect.FieldUtils; |
| import org.apache.pulsar.broker.PulsarService; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitState; |
| import org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitStateData; |
| import org.apache.pulsar.broker.loadbalance.extensions.data.BrokerLoadData; |
| import org.apache.pulsar.broker.loadbalance.extensions.store.LoadDataStore; |
| import org.apache.pulsar.broker.loadbalance.impl.LoadManagerShared; |
| import org.apache.pulsar.broker.service.BrokerService; |
| import org.apache.pulsar.broker.service.PulsarStats; |
| import org.apache.pulsar.broker.stats.BrokerStats; |
| import org.apache.pulsar.client.util.ExecutorProvider; |
| import org.apache.pulsar.policies.data.loadbalancer.ResourceUsage; |
| import org.apache.pulsar.policies.data.loadbalancer.SystemResourceUsage; |
| import org.awaitility.Awaitility; |
| import org.mockito.MockedStatic; |
| import org.mockito.Mockito; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| @Test(groups = "broker") |
| public class BrokerLoadDataReporterTest { |
| PulsarService pulsar; |
| LoadDataStore store; |
| BrokerService brokerService; |
| PulsarStats pulsarStats; |
| ServiceConfiguration config; |
| BrokerStats brokerStats; |
| SystemResourceUsage usage; |
| String broker = "broker1"; |
| String bundle = "bundle1"; |
| ScheduledExecutorService executor; |
| |
| @BeforeMethod |
| void setup() { |
| config = new ServiceConfiguration(); |
| config.setLoadBalancerDebugModeEnabled(true); |
| pulsar = mock(PulsarService.class); |
| store = mock(LoadDataStore.class); |
| brokerService = mock(BrokerService.class); |
| pulsarStats = mock(PulsarStats.class); |
| doReturn(brokerService).when(pulsar).getBrokerService(); |
| doReturn(config).when(pulsar).getConfiguration(); |
| executor = Executors |
| .newSingleThreadScheduledExecutor(new |
| ExecutorProvider.ExtendedThreadFactory("pulsar-load-manager")); |
| doReturn(executor).when(pulsar).getLoadManagerExecutor(); |
| doReturn(pulsarStats).when(brokerService).getPulsarStats(); |
| brokerStats = new BrokerStats(0); |
| brokerStats.topics = 6; |
| brokerStats.bundleCount = 5; |
| brokerStats.msgRateIn = 3; |
| brokerStats.msgRateOut = 4; |
| brokerStats.msgThroughputIn = 1; |
| brokerStats.msgThroughputOut = 2; |
| doReturn(pulsarStats).when(brokerService).getPulsarStats(); |
| doReturn(brokerStats).when(pulsarStats).getBrokerStats(); |
| doReturn(CompletableFuture.completedFuture(null)).when(store).pushAsync(any(), any()); |
| doReturn(CompletableFuture.completedFuture(null)).when(store).removeAsync(any()); |
| |
| usage = new SystemResourceUsage(); |
| usage.setCpu(new ResourceUsage(1.0, 100.0)); |
| usage.setMemory(new ResourceUsage(800.0, 200.0)); |
| usage.setDirectMemory(new ResourceUsage(2.0, 100.0)); |
| usage.setBandwidthIn(new ResourceUsage(3.0, 100.0)); |
| usage.setBandwidthOut(new ResourceUsage(4.0, 100.0)); |
| } |
| |
| @AfterMethod |
| void shutdown(){ |
| executor.shutdown(); |
| } |
| |
| public void testGenerate() throws IllegalAccessException { |
| try (MockedStatic<LoadManagerShared> mockLoadManagerShared = Mockito.mockStatic(LoadManagerShared.class)) { |
| mockLoadManagerShared.when(() -> LoadManagerShared.getSystemResourceUsage(any())).thenReturn(usage); |
| doReturn(0l).when(pulsarStats).getUpdatedAt(); |
| var target = new BrokerLoadDataReporter(pulsar, "", store); |
| var expected = new BrokerLoadData(); |
| expected.update(usage, 1, 2, 3, 4, 5, 6, config); |
| FieldUtils.writeDeclaredField(expected, "updatedAt", 0l, true); |
| var actual = target.generateLoadData(); |
| FieldUtils.writeDeclaredField(actual, "updatedAt", 0l, true); |
| assertEquals(actual, expected); |
| } |
| } |
| |
| public void testReport() throws IllegalAccessException { |
| try (MockedStatic<LoadManagerShared> mockLoadManagerShared = Mockito.mockStatic(LoadManagerShared.class)) { |
| mockLoadManagerShared.when(() -> LoadManagerShared.getSystemResourceUsage(any())).thenReturn(usage); |
| var target = new BrokerLoadDataReporter(pulsar, "broker-1", store); |
| var localData = (BrokerLoadData) FieldUtils.readDeclaredField(target, "localData", true); |
| localData.setReportedAt(System.currentTimeMillis()); |
| var lastData = (BrokerLoadData) FieldUtils.readDeclaredField(target, "lastData", true); |
| lastData.update(usage, 1, 2, 3, 4, 5, 6, config); |
| target.reportAsync(false); |
| verify(store, times(0)).pushAsync(any(), any()); |
| |
| target.reportAsync(true); |
| verify(store, times(1)).pushAsync(eq("broker-1"), any()); |
| |
| target.reportAsync(false); |
| verify(store, times(1)).pushAsync(eq("broker-1"), any()); |
| |
| localData.setReportedAt(0l); |
| target.reportAsync(false); |
| verify(store, times(2)).pushAsync(eq("broker-1"), any()); |
| |
| lastData.update(usage, 10000, 2, 3, 4, 5, 6, config); |
| target.reportAsync(false); |
| verify(store, times(3)).pushAsync(eq("broker-1"), any()); |
| } |
| } |
| |
| @Test |
| public void testTombstone() throws IllegalAccessException, InterruptedException { |
| |
| var target = spy(new BrokerLoadDataReporter(pulsar, broker, store)); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Assigning, broker, VERSION_ID_INIT), null); |
| verify(store, times(0)).removeAsync(eq(broker)); |
| verify(target, times(0)).tombstone(); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Deleted, broker, VERSION_ID_INIT), null); |
| verify(store, times(0)).removeAsync(eq(broker)); |
| verify(target, times(0)).tombstone(); |
| |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Init, broker, VERSION_ID_INIT), null); |
| verify(store, times(0)).removeAsync(eq(broker)); |
| verify(target, times(0)).tombstone(); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Free, broker, VERSION_ID_INIT), null); |
| verify(store, times(0)).removeAsync(eq(broker)); |
| verify(target, times(0)).tombstone(); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Releasing, "broker-2", broker, VERSION_ID_INIT), |
| new RuntimeException()); |
| verify(store, times(0)).removeAsync(eq(broker)); |
| verify(target, times(0)).tombstone(); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Releasing, "broker-2", broker, VERSION_ID_INIT), null); |
| Awaitility.waitAtMost(3, TimeUnit.SECONDS).untilAsserted(() -> { |
| verify(target, times(1)).tombstone(); |
| verify(store, times(1)).removeAsync(eq(broker)); |
| var localData = (BrokerLoadData) FieldUtils.readDeclaredField(target, "localData", true); |
| assertEquals(localData, new BrokerLoadData()); |
| }); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Releasing, "broker-2", broker, VERSION_ID_INIT), null); |
| Awaitility.waitAtMost(3, TimeUnit.SECONDS).untilAsserted(() -> { |
| verify(target, times(2)).tombstone(); |
| verify(store, times(1)).removeAsync(eq(broker)); |
| var localData = (BrokerLoadData) FieldUtils.readDeclaredField(target, "localData", true); |
| assertEquals(localData, new BrokerLoadData()); |
| }); |
| |
| FieldUtils.writeDeclaredField(target, "tombstoneDelayInMillis", 0, true); |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Splitting, "broker-2", broker, VERSION_ID_INIT), null); |
| Awaitility.waitAtMost(3, TimeUnit.SECONDS).untilAsserted(() -> { |
| verify(target, times(3)).tombstone(); |
| verify(store, times(2)).removeAsync(eq(broker)); |
| var localData = (BrokerLoadData) FieldUtils.readDeclaredField(target, "localData", true); |
| assertEquals(localData, new BrokerLoadData()); |
| }); |
| |
| target.handleEvent(bundle, |
| new ServiceUnitStateData(ServiceUnitState.Owned, broker, VERSION_ID_INIT), null); |
| Awaitility.waitAtMost(3, TimeUnit.SECONDS).untilAsserted(() -> { |
| verify(target, times(4)).tombstone(); |
| verify(store, times(3)).removeAsync(eq(broker)); |
| var localData = (BrokerLoadData) FieldUtils.readDeclaredField(target, "localData", true); |
| assertEquals(localData, new BrokerLoadData()); |
| }); |
| } |
| } |