| /* |
| * 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.samza.webapp; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import junit.framework.Assert; |
| import org.apache.hadoop.yarn.util.ConverterUtils; |
| import org.apache.samza.container.ContainerHeartbeatResponse; |
| import org.apache.samza.coordinator.CoordinationConstants; |
| import org.apache.samza.coordinator.server.HttpServer; |
| import org.apache.samza.job.yarn.YarnAppState; |
| import org.apache.samza.job.yarn.YarnContainer; |
| import org.apache.samza.metrics.MetricsRegistryMap; |
| import org.apache.samza.metrics.ReadableMetricsRegistry; |
| import org.apache.samza.util.ExponentialSleepStrategy; |
| import org.apache.samza.util.HttpUtil; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.eclipse.jetty.servlet.DefaultServlet; |
| import org.eclipse.jetty.servlet.ServletHolder; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| public class TestYarnContainerHeartbeatServlet { |
| |
| private YarnContainer container; |
| private YarnAppState yarnAppState; |
| private HttpServer webApp; |
| private ObjectMapper mapper; |
| |
| private ContainerHeartbeatResponse heartbeat; |
| |
| @Before |
| public void setup() |
| throws Exception { |
| container = mock(YarnContainer.class); |
| ReadableMetricsRegistry registry = new MetricsRegistryMap("test-registry"); |
| |
| yarnAppState = |
| new YarnAppState(-1, ConverterUtils.toContainerId("container_1350670447861_0003_01_000001"), "testHost", 1, 1); |
| webApp = new HttpServer("/", 0, "", new ServletHolder(new DefaultServlet())); |
| webApp.addServlet("/", new YarnContainerHeartbeatServlet(yarnAppState, registry)); |
| webApp.start(); |
| mapper = new ObjectMapper(); |
| } |
| |
| @After |
| public void cleanup() |
| throws Exception { |
| webApp.stop(); |
| } |
| |
| @Test |
| public void testContainerHeartbeatWhenValid() |
| throws IOException { |
| String validContainerId = "container_1350670447861_0003_01_000002"; |
| when(container.id()).thenReturn(ConverterUtils.toContainerId(validContainerId)); |
| yarnAppState.runningProcessors.put(validContainerId, container); |
| URL url = new URL(String.format(CoordinationConstants.YARN_CONTAINER_HEARTBEAT_ENDPOINT_FORMAT, webApp.getUrl().toString(), validContainerId)); |
| String response = HttpUtil.read(url, 1000, new ExponentialSleepStrategy()); |
| heartbeat = mapper.readValue(response, ContainerHeartbeatResponse.class); |
| Assert.assertTrue(heartbeat.isAlive()); |
| } |
| |
| @Test |
| public void testContainerHeartbeatWhenInvalid() |
| throws IOException { |
| String validContainerId = "container_1350670447861_0003_01_000003"; |
| String invalidContainerId = "container_1350670447861_0003_01_000002"; |
| when(container.id()).thenReturn(ConverterUtils.toContainerId(validContainerId)); |
| yarnAppState.runningProcessors.put(validContainerId, container); |
| URL url = new URL(String.format(CoordinationConstants.YARN_CONTAINER_HEARTBEAT_ENDPOINT_FORMAT, |
| webApp.getUrl().toString(), invalidContainerId)); |
| String response = HttpUtil.read(url, 1000, new ExponentialSleepStrategy()); |
| heartbeat = mapper.readValue(response, ContainerHeartbeatResponse.class); |
| Assert.assertFalse(heartbeat.isAlive()); |
| } |
| } |