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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;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Optional;
import lombok.Cleanup;
import lombok.extern.slf4j.Slf4j;
import org.apache.pulsar.broker.PulsarServerException;
import org.apache.pulsar.broker.PulsarService;
import org.apache.pulsar.broker.ServiceConfiguration;
import org.apache.pulsar.broker.loadbalance.impl.SimpleLoadManagerImpl;
import org.apache.pulsar.zookeeper.LocalBookkeeperEnsemble;
import org.testng.Assert;
import org.testng.annotations.Test;
@Slf4j
@Test(groups = "broker")
public class SimpleBrokerStartTest {
public void testHasNICSpeed() throws Exception {
if (!LinuxInfoUtils.isLinux()) {
return;
}
// Start local bookkeeper ensemble
@Cleanup("stop")
LocalBookkeeperEnsemble bkEnsemble = new LocalBookkeeperEnsemble(3, 0, () -> 0);
bkEnsemble.start();
// Start broker
ServiceConfiguration config = new ServiceConfiguration();
config.setClusterName("use");
config.setWebServicePort(Optional.of(0));
config.setMetadataStoreUrl("zk:127.0.0.1:" + bkEnsemble.getZookeeperPort());
config.setBrokerShutdownTimeoutMs(0L);
config.setLoadBalancerOverrideBrokerNicSpeedGbps(Optional.of(1.0d));
config.setBrokerServicePort(Optional.of(0));
config.setLoadManagerClassName(SimpleLoadManagerImpl.class.getName());
config.setBrokerServicePortTls(Optional.of(0));
config.setWebServicePortTls(Optional.of(0));
config.setAdvertisedAddress("localhost");
boolean hasNicSpeeds = LinuxInfoUtils.checkHasNicSpeeds();
if (hasNicSpeeds) {
@Cleanup
PulsarService pulsarService = new PulsarService(config);
pulsarService.start();
}
}
public void testNoNICSpeed() throws Exception {
if (!LinuxInfoUtils.isLinux()) {
return;
}
// Start local bookkeeper ensemble
@Cleanup("stop")
LocalBookkeeperEnsemble bkEnsemble = new LocalBookkeeperEnsemble(3, 0, () -> 0);
bkEnsemble.start();
// Start broker
ServiceConfiguration config = new ServiceConfiguration();
config.setClusterName("use");
config.setWebServicePort(Optional.of(0));
config.setMetadataStoreUrl("zk:127.0.0.1:" + bkEnsemble.getZookeeperPort());
config.setBrokerShutdownTimeoutMs(0L);
config.setLoadBalancerOverrideBrokerNicSpeedGbps(Optional.of(1.0d));
config.setBrokerServicePort(Optional.of(0));
config.setLoadManagerClassName(SimpleLoadManagerImpl.class.getName());
config.setBrokerServicePortTls(Optional.of(0));
config.setWebServicePortTls(Optional.of(0));
config.setAdvertisedAddress("localhost");
boolean hasNicSpeeds = LinuxInfoUtils.checkHasNicSpeeds();
if (!hasNicSpeeds) {
@Cleanup
PulsarService pulsarService = new PulsarService(config);
try {
pulsarService.start();
fail("unexpected behaviour");
} catch (PulsarServerException ex) {
assertTrue(ex.getCause() instanceof IllegalStateException);
}
}
}
@Test
public void testCGroupMetrics() {
if (!LinuxInfoUtils.isLinux()) {
return;
}
boolean existsCGroup = Files.exists(Paths.get("/sys/fs/cgroup"));
boolean cGroupEnabled = LinuxInfoUtils.isCGroupEnabled();
Assert.assertEquals(cGroupEnabled, existsCGroup);
double totalCpuLimit = LinuxInfoUtils.getTotalCpuLimit(cGroupEnabled);
log.info("totalCpuLimit: {}", totalCpuLimit);
Assert.assertTrue(totalCpuLimit > 0.0);
if (cGroupEnabled) {
Assert.assertNotNull(LinuxInfoUtils.getMetrics());
long cpuUsageForCGroup = LinuxInfoUtils.getCpuUsageForCGroup();
log.info("cpuUsageForCGroup: {}", cpuUsageForCGroup);
Assert.assertTrue(cpuUsageForCGroup > 0);
}
}
}