| /* |
| * 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.storm.st.wrapper; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.Collections2; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import javax.annotation.Nullable; |
| import org.apache.commons.lang.exception.ExceptionUtils; |
| import org.apache.storm.generated.ClusterSummary; |
| import org.apache.storm.generated.KillOptions; |
| import org.apache.storm.generated.Nimbus; |
| import org.apache.storm.generated.TopologyInfo; |
| import org.apache.storm.generated.TopologySummary; |
| import org.apache.storm.st.utils.AssertUtil; |
| import org.apache.storm.thrift.TException; |
| import org.apache.storm.utils.NimbusClient; |
| import org.apache.storm.utils.Utils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| |
| public class StormCluster { |
| private static Logger log = LoggerFactory.getLogger(StormCluster.class); |
| private final Nimbus.Iface client; |
| |
| public StormCluster() { |
| Map<String, Object> conf = getConfig(); |
| this.client = NimbusClient.getConfiguredClient(conf).getClient(); |
| } |
| |
| public static Map<String, Object> getConfig() { |
| return Utils.readStormConfig(); |
| } |
| |
| public static boolean isSecure() { |
| final String thriftConfig = "" + getConfig().get("storm.thrift.transport"); |
| final String thriftConfigInSecCluster = "org.apache.storm.security.auth.kerberos.KerberosSaslTransportPlugin"; |
| return thriftConfigInSecCluster.equals(thriftConfig.trim()); |
| } |
| |
| public List<TopologySummary> getSummaries() throws TException { |
| final ClusterSummary clusterInfo = client.getClusterInfo(); |
| log.info("Cluster info: " + clusterInfo); |
| return clusterInfo.get_topologies(); |
| } |
| |
| public List<TopologySummary> getActive() throws TException { |
| return getTopologiesWithStatus("active"); |
| } |
| |
| public List<TopologySummary> getKilled() throws TException { |
| return getTopologiesWithStatus("killed"); |
| } |
| |
| private List<TopologySummary> getTopologiesWithStatus(final String expectedStatus) throws TException { |
| Collection<TopologySummary> topologySummaries = getSummaries(); |
| Collection<TopologySummary> filteredSummary = Collections2.filter(topologySummaries, new Predicate<TopologySummary>() { |
| @Override |
| public boolean apply(@Nullable TopologySummary input) { |
| return input != null && input.get_status().toLowerCase().equals(expectedStatus.toLowerCase()); |
| } |
| }); |
| return new ArrayList<>(filteredSummary); |
| } |
| |
| public void killOrThrow(String topologyName) throws Exception { |
| long start = System.currentTimeMillis(); |
| while (System.currentTimeMillis() < start + TimeUnit.SECONDS.toMillis(60)) { |
| try { |
| KillOptions killOptions = new KillOptions(); |
| killOptions.set_wait_secs(0); |
| client.killTopologyWithOpts(topologyName, killOptions); |
| log.info("Topology killed: " + topologyName); |
| return; |
| } catch (TException e) { |
| log.warn("Couldn't kill topology: " + topologyName + ", going to retry soon. Exception: " + ExceptionUtils.getFullStackTrace(e)); |
| Thread.sleep(TimeUnit.SECONDS.toMillis(2)); |
| } |
| } |
| throw new RuntimeException("Failed to kill topology " + topologyName + ". Subsequent tests may fail because worker slots are occupied"); |
| } |
| |
| public TopologySummary getOneActive() throws TException { |
| List<TopologySummary> topoSummaries = getActive(); |
| AssertUtil.nonEmpty(topoSummaries, "Expecting one active topology."); |
| Assert.assertEquals(topoSummaries.size(), 1, "Expected one topology to be running, found: " + topoSummaries); |
| return topoSummaries.get(0); |
| } |
| |
| public TopologyInfo getInfo(TopologySummary topologySummary) throws TException { |
| return client.getTopologyInfo(topologySummary.get_id()); |
| } |
| |
| public Nimbus.Iface getNimbusClient() { |
| return client; |
| } |
| |
| public void killActiveTopologies() throws Exception { |
| List<TopologySummary> activeTopologies = getActive(); |
| for (TopologySummary activeTopology : activeTopologies) { |
| killOrThrow(activeTopology.get_name()); |
| } |
| |
| AssertUtil.empty(getActive()); |
| } |
| } |