zhengchenyu commented on code in PR #4314: URL: https://github.com/apache/hadoop/pull/4314#discussion_r920717298
########## hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/TestWebAppProxyServletFed.java: ########## @@ -0,0 +1,392 @@ +/** + * 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.hadoop.yarn.server.webproxy; + +import static org.junit.Assert.assertEquals; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.HttpURLConnection; +import java.net.URI; +import java.net.URL; + +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.http.HttpServer2; +import org.apache.hadoop.security.authorize.AccessControlList; +import org.apache.hadoop.service.CompositeService; +import org.apache.hadoop.util.StringUtils; +import org.apache.hadoop.yarn.api.ApplicationClientProtocol; +import org.apache.hadoop.yarn.api.ApplicationHistoryProtocol; +import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest; +import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse; +import org.apache.hadoop.yarn.api.records.ApplicationId; +import org.apache.hadoop.yarn.api.records.ApplicationReport; +import org.apache.hadoop.yarn.api.records.YarnApplicationState; +import org.apache.hadoop.yarn.conf.YarnConfiguration; +import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException; +import org.apache.hadoop.yarn.server.federation.store.records.ApplicationHomeSubCluster; +import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId; +import org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo; +import org.apache.hadoop.yarn.server.federation.store.records.SubClusterRegisterRequest; +import org.apache.hadoop.yarn.server.federation.store.records.SubClusterState; +import org.apache.hadoop.yarn.server.federation.utils.FederationStateStoreFacade; +import org.apache.hadoop.yarn.webapp.util.WebAppUtils; +import org.eclipse.jetty.server.Server; +import org.eclipse.jetty.server.ServerConnector; +import org.eclipse.jetty.servlet.ServletContextHandler; +import org.eclipse.jetty.servlet.ServletHolder; +import org.eclipse.jetty.util.thread.QueuedThreadPool; +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; +import org.mockito.Mockito; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Test the WebAppProxyServlet and WebAppProxy. For back end use simple web + * server. + */ +public class TestWebAppProxyServletFed { + + private static final Logger LOG = LoggerFactory.getLogger( + TestWebAppProxyServletFed.class); + + public static final String AM_PREFIX = "AM"; + public static final String RM_PREFIX = "RM"; + public static final String AHS_PREFIX = "AHS"; + + /* + * Mocked Server is used for simulating the web of AppMaster, ResourceMamanger + * or TimelineServer. + * */ + private static Server mockServer; + private static int mockServerPort = 0; + + /** + * Simple http server. Server should send answer with status 200 + */ + @BeforeClass + public static void setUp() throws Exception { + mockServer = new Server(0); + ((QueuedThreadPool) mockServer.getThreadPool()).setMaxThreads(20); + ServletContextHandler context = new ServletContextHandler(); + context.setContextPath("/"); + context.addServlet(new ServletHolder(new MockWebServlet(AM_PREFIX)), + "/amweb/*"); + context.addServlet(new ServletHolder(new MockWebServlet(RM_PREFIX)), + "/cluster/app/*"); + context.addServlet(new ServletHolder(new MockWebServlet(AHS_PREFIX)), + "/applicationhistory/app/*"); + mockServer.setHandler(context); + + ((ServerConnector) mockServer.getConnectors()[0]).setHost("localhost"); + mockServer.start(); + mockServerPort = ((ServerConnector) mockServer.getConnectors()[0]) + .getLocalPort(); + LOG.info("Running embedded servlet container at: http://localhost:"; + + mockServerPort); + } + + @AfterClass + public static void tearDown() throws Exception { + if (mockServer != null) { + mockServer.stop(); + mockServer.destroy(); + mockServer = null; + } + } + + @Test + public void testWebServlet() throws IOException { + HttpURLConnection conn; + // 1. Mocked AppMaster web Test + URL url = new URL("http://localhost:"; + mockServerPort + "/amweb/apptest"); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(AM_PREFIX + "/apptest", readResponse(conn)); + conn.disconnect(); + + // 2. Mocked RM web Test + url = new URL( + "http://localhost:"; + mockServerPort + "/cluster/app/apptest"); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(RM_PREFIX + "/apptest", readResponse(conn)); + conn.disconnect(); + + // 3. Mocked AHS web Test + url = new URL("http://localhost:"; + mockServerPort + + "/applicationhistory/app/apptest"); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(AHS_PREFIX + "/apptest", readResponse(conn)); + conn.disconnect(); + } + + @Test(timeout=5000) + public void testWebAppProxyServletFed() throws Exception { + + Configuration conf = new Configuration(); + conf.set(YarnConfiguration.PROXY_ADDRESS, "localhost:9090"); + conf.setBoolean(YarnConfiguration.FEDERATION_ENABLED, true); + conf.setBoolean(YarnConfiguration.APPLICATION_HISTORY_ENABLED, true); + conf.set(YarnConfiguration.TIMELINE_SERVICE_WEBAPP_ADDRESS, + "localhost:" + mockServerPort); + // overriding num of web server threads, see HttpServer.HTTP_MAXTHREADS + conf.setInt("hadoop.http.max.threads", 10); + + // Create sub cluster information. + SubClusterId subClusterId1 = SubClusterId.newInstance("scid1"); + SubClusterId subClusterId2 = SubClusterId.newInstance("scid2"); + SubClusterInfo subClusterInfo1 = SubClusterInfo.newInstance(subClusterId1, + "10.0.0.1:1", "10.0.0.1:1", "10.0.0.1:1", + "localhost:" + mockServerPort, SubClusterState.SC_RUNNING, 0, ""); + SubClusterInfo subClusterInfo2 = SubClusterInfo.newInstance(subClusterId2, + "10.0.0.2:1", "10.0.0.2:1", "10.0.0.2:1", + "10.0.0.2:1", SubClusterState.SC_RUNNING, 0, ""); + + // App1 and App2 is running applications. + ApplicationId appId1 = ApplicationId.newInstance(0, 1); + ApplicationId appId2 = ApplicationId.newInstance(0, 2); + String appUrl1 = "http://localhost:"; + mockServerPort + "/amweb/" + appId1; + String appUrl2 = "http://localhost:"; + mockServerPort + "/amweb/" + appId2; + // App3 is accepted application, has not registered original url to am. + ApplicationId appId3 = ApplicationId.newInstance(0, 3); + // App4 is finished application, has remove from rm, but not remove from + // timeline server. + ApplicationId appId4 = ApplicationId.newInstance(0, 4); + + // Mock for application + ApplicationClientProtocol appManager1 = Mockito + .mock(ApplicationClientProtocol.class); + Mockito.when(appManager1 + .getApplicationReport(GetApplicationReportRequest.newInstance(appId1))) + .thenReturn(GetApplicationReportResponse.newInstance( + newApplicationReport(appId1, YarnApplicationState.RUNNING, + appUrl1))); + Mockito.when(appManager1 + .getApplicationReport(GetApplicationReportRequest.newInstance(appId3))) + .thenReturn(GetApplicationReportResponse.newInstance( + newApplicationReport(appId3, YarnApplicationState.ACCEPTED, null))); + + ApplicationClientProtocol appManager2 = Mockito + .mock(ApplicationClientProtocol.class); + Mockito.when(appManager2 + .getApplicationReport(GetApplicationReportRequest.newInstance(appId2))) + .thenReturn(GetApplicationReportResponse.newInstance( + newApplicationReport(appId2, YarnApplicationState.RUNNING, + appUrl2))); + Mockito.when(appManager2 + .getApplicationReport(GetApplicationReportRequest.newInstance(appId4))) + .thenThrow(new ApplicationNotFoundException("APP NOT FOUND")); + + ApplicationHistoryProtocol historyManager = Mockito + .mock(ApplicationHistoryProtocol.class); + Mockito.when(historyManager + .getApplicationReport(GetApplicationReportRequest.newInstance(appId4))) + .thenReturn(GetApplicationReportResponse.newInstance( + newApplicationReport(appId4, YarnApplicationState.FINISHED, null))); + + // Initial federation store. + FederationStateStoreFacade facade = FederationStateStoreFacade + .getInstance(); + facade.getStateStore().registerSubCluster( + SubClusterRegisterRequest.newInstance(subClusterInfo1)); + facade.getStateStore().registerSubCluster( + SubClusterRegisterRequest.newInstance(subClusterInfo2)); + facade.addApplicationHomeSubCluster( + ApplicationHomeSubCluster.newInstance(appId1, subClusterId1)); + facade.addApplicationHomeSubCluster( + ApplicationHomeSubCluster.newInstance(appId2, subClusterId2)); + facade.addApplicationHomeSubCluster( + ApplicationHomeSubCluster.newInstance(appId3, subClusterId1)); + facade.addApplicationHomeSubCluster( + ApplicationHomeSubCluster.newInstance(appId4, subClusterId2)); + + // Start proxy server + WebAppProxyServerForTest proxy = new WebAppProxyServerForTest(); + proxy.init(conf); + proxy.start(); + + // set Mocked rm and timeline + int proxyPort = proxy.proxy.proxyServer.getConnectorAddress(0).getPort(); + FedAppReportFetcher appReportFetcher = proxy.proxy.appReportFetcher; + appReportFetcher.registerSubCluster(subClusterInfo1, appManager1); + appReportFetcher.registerSubCluster(subClusterInfo2, appManager2); + appReportFetcher.setHistoryManager(historyManager); + + HttpURLConnection conn; + try { + // App1 is running in subcluster1, and original url is registered + // in rm of subCluster1. So proxy server will get original url from rm by + // getApplicationReport. Then proxy server will fetch the webapp directly. + URL url = new URL("http://localhost:"; + proxyPort + "/proxy/" + appId1.toString()); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(AM_PREFIX + "/" + appId1.toString(), readResponse(conn)); + conn.disconnect(); + + // App2 is running in subcluster2, and original url is registered + // in rm of subCluster2. So proxy server will get original url from rm by + // getApplicationReport. Then proxy server will fetch the webapp directly. + url = new URL("http://localhost:"; + proxyPort + "/proxy/" + appId2.toString()); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(AM_PREFIX + "/" + appId2.toString(), readResponse(conn)); + conn.disconnect(); + + // App3 is accepted in subcluster1, and original url is not registered + // yet. So proxy server will fetch the application web from rm. + url = new URL("http://localhost:"; + proxyPort + "/proxy/" + appId3.toString()); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(RM_PREFIX + "/" + appId3.toString(), readResponse(conn)); + conn.disconnect(); + + // App4 is finished in subcluster2, and have removed from rm, but not + // removed from timeline server. So proxy server will fetch the + // application web from timeline server. + url = new URL("http://localhost:"; + proxyPort + "/proxy/" + appId4.toString()); + conn = (HttpURLConnection) url.openConnection(); + conn.connect(); + assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); + assertEquals(AHS_PREFIX + "/" + appId4.toString(), readResponse(conn)); + conn.disconnect(); + } finally { + proxy.close(); + } + } + + private ApplicationReport newApplicationReport(ApplicationId appId, + YarnApplicationState state, String origTrackingUrl) { + return ApplicationReport + .newInstance(appId, null, "testuser", null, null, null, 0, null, state, + null, null, 0, 0, 0, null, null, origTrackingUrl, 0f, null, null); + } + + private String readResponse(HttpURLConnection conn) throws IOException { + InputStream input = conn.getInputStream(); + byte[] bytes = new byte[input.available()]; + input.read(bytes); + return new String(bytes); + } + + private class WebAppProxyServerForTest extends CompositeService { + + private WebAppProxyForTest proxy = null; + + WebAppProxyServerForTest() { + super(WebAppProxyServer.class.getName()); + } + + @Override + protected synchronized void serviceInit(Configuration conf) throws Exception { + proxy = new WebAppProxyForTest(); + addService(proxy); + super.serviceInit(conf); + } + } + + /* + * This servlet is used for simulate the web of AppMaster, ResourceManager, + * TimelineServer and so on. + * */ + public static class MockWebServlet extends HttpServlet { + + private String role; + + public MockWebServlet(String role) { + this.role = role; + } + + @Override + protected void doGet(HttpServletRequest req, HttpServletResponse resp) + throws IOException { + if (req.getPathInfo() != null) { + resp.getWriter().write(role + req.getPathInfo()); + } + resp.setStatus(HttpServletResponse.SC_OK); + } + + @Override + protected void doPost(HttpServletRequest req, HttpServletResponse resp) + throws IOException { + InputStream is = req.getInputStream(); + OutputStream os = resp.getOutputStream(); + int c = is.read(); + while (c > -1) { + os.write(c); + c = is.read(); + } + is.close(); + os.close(); + resp.setStatus(HttpServletResponse.SC_OK); + } + } + + private class WebAppProxyForTest extends WebAppProxy { + + private HttpServer2 proxyServer; + private FedAppReportFetcher appReportFetcher; + + @Override + protected void serviceStart() throws Exception { + Configuration conf = getConfig(); + String bindAddress = conf.get(YarnConfiguration.PROXY_ADDRESS); + bindAddress = StringUtils.split(bindAddress, ':')[0]; + AccessControlList acl = new AccessControlList( + conf.get(YarnConfiguration.YARN_ADMIN_ACL, + YarnConfiguration.DEFAULT_YARN_ADMIN_ACL)); + proxyServer = new HttpServer2.Builder() + .setName("proxy") + .addEndpoint( + URI.create(WebAppUtils.getHttpSchemePrefix(conf) + bindAddress Review Comment: > Isn't there an API with the subparts? Yes, there are no api like URI(String scheme, String host, int port). -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
