List of usage examples for org.apache.hadoop.mapred ShuffleHandler start
@Override public void start()
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
/** * Verify client prematurely closing a connection. * * @throws Exception exception./*from w w w . j av a 2s . c o m*/ */ @Test(timeout = 10000) public void testClientClosesConnection() throws Exception { final ArrayList<Throwable> failures = new ArrayList<Throwable>(1); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); ShuffleHandler shuffleHandler = new ShuffleHandler() { @Override protected Shuffle getShuffle(Configuration conf) { // replace the shuffle handler with one stubbed for testing return new Shuffle(conf) { @Override protected MapOutputInfo getMapOutputInfo(String dagId, String mapId, String jobId, String user) throws IOException { return null; } @Override protected void populateHeaders(List<String> mapIds, String jobId, String dagId, String user, Range reduceRange, HttpResponse response, boolean keepAliveParam, Map<String, MapOutputInfo> infoMap) throws IOException { // Only set response headers and skip everything else // send some dummy value for content-length super.setResponseHeaders(response, keepAliveParam, 100); } @Override protected void verifyRequest(String appid, ChannelHandlerContext ctx, HttpRequest request, HttpResponse response, URL requestUri) throws IOException { } @Override protected ChannelFuture sendMapOutput(ChannelHandlerContext ctx, Channel ch, String user, String mapId, Range reduceRange, MapOutputInfo info) throws IOException { // send a shuffle header and a lot of data down the channel // to trigger a broken pipe ShuffleHeader header = new ShuffleHeader("attempt_12345_1_m_1_0", 5678, 5678, 1); DataOutputBuffer dob = new DataOutputBuffer(); header.write(dob); ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); dob = new DataOutputBuffer(); for (int i = 0; i < 100000; ++i) { header.write(dob); } return ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); } @Override protected void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) { if (failures.size() == 0) { failures.add(new Error()); ctx.getChannel().close(); } } @Override protected void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) { if (failures.size() == 0) { failures.add(new Error()); ctx.getChannel().close(); } } }; } }; shuffleHandler.init(conf); shuffleHandler.start(); // simulate a reducer that closes early by reading a single shuffle header // then closing the connection URL url = new URL( "http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY) + "/mapOutput?job=job_12345_1&dag=1&reduce=1&map=attempt_12345_1_m_1_0"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); conn.connect(); DataInputStream input = new DataInputStream(conn.getInputStream()); Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); Assert.assertEquals("close", conn.getHeaderField(HttpHeaders.Names.CONNECTION)); ShuffleHeader header = new ShuffleHeader(); header.readFields(input); input.close(); shuffleHandler.stop(); Assert.assertTrue("sendError called when client closed connection", failures.size() == 0); }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
@Test(timeout = 10000) public void testKeepAlive() throws Exception { final ArrayList<Throwable> failures = new ArrayList<Throwable>(1); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.setBoolean(ShuffleHandler.SHUFFLE_CONNECTION_KEEP_ALIVE_ENABLED, true); // try setting to -ve keep alive timeout. conf.setInt(ShuffleHandler.SHUFFLE_CONNECTION_KEEP_ALIVE_TIME_OUT, -100); final LastSocketAddress lastSocketAddress = new LastSocketAddress(); ShuffleHandler shuffleHandler = new ShuffleHandler() { @Override// w ww . j a va 2 s .c o m protected Shuffle getShuffle(final Configuration conf) { // replace the shuffle handler with one stubbed for testing return new Shuffle(conf) { @Override protected MapOutputInfo getMapOutputInfo(String dagId, String mapId, String jobId, String user) throws IOException { return null; } @Override protected void verifyRequest(String appid, ChannelHandlerContext ctx, HttpRequest request, HttpResponse response, URL requestUri) throws IOException { } @Override protected void populateHeaders(List<String> mapIds, String jobId, String dagId, String user, Range reduceRange, HttpResponse response, boolean keepAliveParam, Map<String, MapOutputInfo> infoMap) throws IOException { // Send some dummy data (populate content length details) ShuffleHeader header = new ShuffleHeader("attempt_12345_1_m_1_0", 5678, 5678, 1); DataOutputBuffer dob = new DataOutputBuffer(); header.write(dob); dob = new DataOutputBuffer(); for (int i = 0; i < 100000; ++i) { header.write(dob); } long contentLength = dob.getLength(); // for testing purpose; // disable connectinKeepAliveEnabled if keepAliveParam is available if (keepAliveParam) { connectionKeepAliveEnabled = false; } super.setResponseHeaders(response, keepAliveParam, contentLength); } @Override protected ChannelFuture sendMapOutput(ChannelHandlerContext ctx, Channel ch, String user, String mapId, Range reduceRange, MapOutputInfo info) throws IOException { lastSocketAddress.setAddress(ch.getRemoteAddress()); HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK); // send a shuffle header and a lot of data down the channel // to trigger a broken pipe ShuffleHeader header = new ShuffleHeader("attempt_12345_1_m_1_0", 5678, 5678, 1); DataOutputBuffer dob = new DataOutputBuffer(); header.write(dob); ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); dob = new DataOutputBuffer(); for (int i = 0; i < 100000; ++i) { header.write(dob); } return ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); } @Override protected void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) { if (failures.size() == 0) { failures.add(new Error()); ctx.getChannel().close(); } } @Override protected void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) { if (failures.size() == 0) { failures.add(new Error()); ctx.getChannel().close(); } } }; } }; shuffleHandler.init(conf); shuffleHandler.start(); String shuffleBaseURL = "http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY); URL url = new URL( shuffleBaseURL + "/mapOutput?job=job_12345_1&dag=1&reduce=1&" + "map=attempt_12345_1_m_1_0"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); conn.connect(); DataInputStream input = new DataInputStream(conn.getInputStream()); Assert.assertEquals(HttpHeaders.Values.KEEP_ALIVE, conn.getHeaderField(HttpHeaders.Names.CONNECTION)); Assert.assertEquals("timeout=1", conn.getHeaderField(HttpHeaders.Values.KEEP_ALIVE)); Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); ShuffleHeader header = new ShuffleHeader(); header.readFields(input); byte[] buffer = new byte[1024]; while (input.read(buffer) != -1) { } SocketAddress firstAddress = lastSocketAddress.getSocketAddres(); input.close(); // For keepAlive via URL url = new URL(shuffleBaseURL + "/mapOutput?job=job_12345_1&dag=1&reduce=1&" + "map=attempt_12345_1_m_1_0&keepAlive=true"); conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); conn.connect(); input = new DataInputStream(conn.getInputStream()); Assert.assertEquals(HttpHeaders.Values.KEEP_ALIVE, conn.getHeaderField(HttpHeaders.Names.CONNECTION)); Assert.assertEquals("timeout=1", conn.getHeaderField(HttpHeaders.Values.KEEP_ALIVE)); Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode()); header = new ShuffleHeader(); header.readFields(input); input.close(); SocketAddress secondAddress = lastSocketAddress.getSocketAddres(); Assert.assertNotNull("Initial shuffle address should not be null", firstAddress); Assert.assertNotNull("Keep-Alive shuffle address should not be null", secondAddress); Assert.assertEquals("Initial shuffle address and keep-alive shuffle " + "address should be the same", firstAddress, secondAddress); }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
/** * simulate a reducer that sends an invalid shuffle-header - sometimes a wrong * header_name and sometimes a wrong version * * @throws Exception exception//from ww w. ja v a 2s . c o m */ @Test(timeout = 10000) public void testIncompatibleShuffleVersion() throws Exception { final int failureNum = 3; Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); ShuffleHandler shuffleHandler = new ShuffleHandler(); shuffleHandler.init(conf); shuffleHandler.start(); // simulate a reducer that closes early by reading a single shuffle header // then closing the connection URL url = new URL( "http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY) + "/mapOutput?job=job_12345_1&&dag=1reduce=1&map=attempt_12345_1_m_1_0"); for (int i = 0; i < failureNum; ++i) { HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, i == 0 ? "mapreduce" : "other"); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, i == 1 ? "1.0.0" : "1.0.1"); conn.connect(); Assert.assertEquals(HttpURLConnection.HTTP_BAD_REQUEST, conn.getResponseCode()); } shuffleHandler.stop(); shuffleHandler.close(); }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
/** * Validate the limit on number of shuffle connections. * * @throws Exception exception/*from w w w.j av a2s. c om*/ */ @Test(timeout = 10000) public void testMaxConnections() throws Exception { Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.setInt(ShuffleHandler.MAX_SHUFFLE_CONNECTIONS, 3); ShuffleHandler shuffleHandler = new ShuffleHandler() { @Override protected Shuffle getShuffle(Configuration conf) { // replace the shuffle handler with one stubbed for testing return new Shuffle(conf) { @Override protected MapOutputInfo getMapOutputInfo(String dagId, String mapId, String jobId, String user) throws IOException { // Do nothing. return null; } @Override protected void populateHeaders(List<String> mapIds, String jobId, String dagId, String user, Range reduceRange, HttpResponse response, boolean keepAliveParam, Map<String, MapOutputInfo> infoMap) throws IOException { // Do nothing. } @Override protected void verifyRequest(String appid, ChannelHandlerContext ctx, HttpRequest request, HttpResponse response, URL requestUri) throws IOException { // Do nothing. } @Override protected ChannelFuture sendMapOutput(ChannelHandlerContext ctx, Channel ch, String user, String mapId, Range reduceRange, MapOutputInfo info) throws IOException { // send a shuffle header and a lot of data down the channel // to trigger a broken pipe ShuffleHeader header = new ShuffleHeader("dummy_header", 5678, 5678, 1); DataOutputBuffer dob = new DataOutputBuffer(); header.write(dob); ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); dob = new DataOutputBuffer(); for (int i = 0; i < 100000; ++i) { header.write(dob); } return ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); } }; } }; shuffleHandler.init(conf); shuffleHandler.start(); // setup connections int connAttempts = 3; HttpURLConnection conns[] = new HttpURLConnection[connAttempts]; for (int i = 0; i < connAttempts; i++) { String URLstring = "http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY) + "/mapOutput?job=job_12345_1&dag=1&reduce=1&map=attempt_12345_1_m_" + i + "_0"; URL url = new URL(URLstring); conns[i] = (HttpURLConnection) url.openConnection(); conns[i].setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conns[i].setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); } // Try to open numerous connections for (int i = 0; i < connAttempts; i++) { conns[i].connect(); } //Ensure first connections are okay conns[0].getInputStream(); int rc = conns[0].getResponseCode(); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); conns[1].getInputStream(); rc = conns[1].getResponseCode(); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); // This connection should be closed because it to above the limit try { conns[2].getInputStream(); rc = conns[2].getResponseCode(); Assert.fail("Expected a SocketException"); } catch (SocketException se) { LOG.info("Expected - connection should not be open"); } catch (Exception e) { Assert.fail("Expected a SocketException"); } shuffleHandler.stop(); }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
/** * Validate the ownership of the map-output files being pulled in. The * local-file-system owner of the file should match the user component in the * * @throws Exception exception//from w ww . jav a 2 s. co m */ @Test(timeout = 100000) public void testMapFileAccess() throws IOException { // This will run only in NativeIO is enabled as SecureIOUtils need it assumeTrue(NativeIO.isAvailable()); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.setInt(ShuffleHandler.MAX_SHUFFLE_CONNECTIONS, 3); conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos"); UserGroupInformation.setConfiguration(conf); File absLogDir = new File("target", TestShuffleHandler.class.getSimpleName() + "LocDir").getAbsoluteFile(); conf.set(YarnConfiguration.NM_LOCAL_DIRS, absLogDir.getAbsolutePath()); ApplicationId appId = ApplicationId.newInstance(12345, 1); LOG.info(appId.toString()); String appAttemptId = "attempt_12345_1_m_1_0"; String user = "randomUser"; String reducerId = "0"; List<File> fileMap = new ArrayList<File>(); createShuffleHandlerFiles(absLogDir, user, appId.toString(), appAttemptId, conf, fileMap); ShuffleHandler shuffleHandler = new ShuffleHandler() { @Override protected Shuffle getShuffle(Configuration conf) { // replace the shuffle handler with one stubbed for testing return new Shuffle(conf) { @Override protected void verifyRequest(String appid, ChannelHandlerContext ctx, HttpRequest request, HttpResponse response, URL requestUri) throws IOException { // Do nothing. } }; } }; shuffleHandler.init(conf); try { shuffleHandler.start(); DataOutputBuffer outputBuffer = new DataOutputBuffer(); outputBuffer.reset(); Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>("identifier".getBytes(), "password".getBytes(), new Text(user), new Text("shuffleService")); jt.write(outputBuffer); shuffleHandler.initializeApplication(new ApplicationInitializationContext(user, appId, ByteBuffer.wrap(outputBuffer.getData(), 0, outputBuffer.getLength()))); URL url = new URL("http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY) + "/mapOutput?job=job_12345_0001&dag=1&reduce=" + reducerId + "&map=attempt_12345_1_m_1_0"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); conn.connect(); byte[] byteArr = new byte[10000]; try { DataInputStream is = new DataInputStream(conn.getInputStream()); is.readFully(byteArr); } catch (EOFException e) { // ignore } // Retrieve file owner name FileInputStream is = new FileInputStream(fileMap.get(0)); String owner = NativeIO.POSIX.getFstat(is.getFD()).getOwner(); is.close(); String message = "Owner '" + owner + "' for path " + fileMap.get(0).getAbsolutePath() + " did not match expected owner '" + user + "'"; Assert.assertTrue((new String(byteArr)).contains(message)); } finally { shuffleHandler.stop(); FileUtil.fullyDelete(absLogDir); } }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
@Test public void testRecovery() throws IOException { final String user = "someuser"; final ApplicationId appId = ApplicationId.newInstance(12345, 1); final JobID jobId = JobID.downgrade(TypeConverter.fromYarn(appId)); final File tmpDir = new File(System.getProperty("test.build.data", System.getProperty("java.io.tmpdir")), TestShuffleHandler.class.getName()); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.setInt(ShuffleHandler.MAX_SHUFFLE_CONNECTIONS, 3); ShuffleHandler shuffle = new ShuffleHandler(); // emulate aux services startup with recovery enabled shuffle.setRecoveryPath(new Path(tmpDir.toString())); tmpDir.mkdirs();/*w w w.j av a 2 s . c o m*/ try { shuffle.init(conf); shuffle.start(); // setup a shuffle token for an application DataOutputBuffer outputBuffer = new DataOutputBuffer(); outputBuffer.reset(); Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>("identifier".getBytes(), "password".getBytes(), new Text(user), new Text("shuffleService")); jt.write(outputBuffer); shuffle.initializeApplication(new ApplicationInitializationContext(user, appId, ByteBuffer.wrap(outputBuffer.getData(), 0, outputBuffer.getLength()))); // verify we are authorized to shuffle int rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); // emulate shuffle handler restart shuffle.close(); shuffle = new ShuffleHandler(); shuffle.setRecoveryPath(new Path(tmpDir.toString())); shuffle.init(conf); shuffle.start(); // verify we are still authorized to shuffle to the old application rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); // shutdown app and verify access is lost shuffle.stopApplication(new ApplicationTerminationContext(appId)); rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_UNAUTHORIZED, rc); // emulate shuffle handler restart shuffle.close(); shuffle = new ShuffleHandler(); shuffle.setRecoveryPath(new Path(tmpDir.toString())); shuffle.init(conf); shuffle.start(); // verify we still don't have access rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_UNAUTHORIZED, rc); } finally { if (shuffle != null) { shuffle.close(); } FileUtil.fullyDelete(tmpDir); } }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
@Test public void testRecoveryFromOtherVersions() throws IOException { final String user = "someuser"; final ApplicationId appId = ApplicationId.newInstance(12345, 1); final File tmpDir = new File(System.getProperty("test.build.data", System.getProperty("java.io.tmpdir")), TestShuffleHandler.class.getName()); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.setInt(ShuffleHandler.MAX_SHUFFLE_CONNECTIONS, 3); ShuffleHandler shuffle = new ShuffleHandler(); // emulate aux services startup with recovery enabled shuffle.setRecoveryPath(new Path(tmpDir.toString())); tmpDir.mkdirs();/*from w w w. ja va2 s. co m*/ try { shuffle.init(conf); shuffle.start(); // setup a shuffle token for an application DataOutputBuffer outputBuffer = new DataOutputBuffer(); outputBuffer.reset(); Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>("identifier".getBytes(), "password".getBytes(), new Text(user), new Text("shuffleService")); jt.write(outputBuffer); shuffle.initializeApplication(new ApplicationInitializationContext(user, appId, ByteBuffer.wrap(outputBuffer.getData(), 0, outputBuffer.getLength()))); // verify we are authorized to shuffle int rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); // emulate shuffle handler restart shuffle.close(); shuffle = new ShuffleHandler(); shuffle.setRecoveryPath(new Path(tmpDir.toString())); shuffle.init(conf); shuffle.start(); // verify we are still authorized to shuffle to the old application rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); Version version = Version.newInstance(1, 0); Assert.assertEquals(version, shuffle.getCurrentVersion()); // emulate shuffle handler restart with compatible version Version version11 = Version.newInstance(1, 1); // update version info before close shuffle shuffle.storeVersion(version11); Assert.assertEquals(version11, shuffle.loadVersion()); shuffle.close(); shuffle = new ShuffleHandler(); shuffle.setRecoveryPath(new Path(tmpDir.toString())); shuffle.init(conf); shuffle.start(); // shuffle version will be override by CURRENT_VERSION_INFO after restart // successfully. Assert.assertEquals(version, shuffle.loadVersion()); // verify we are still authorized to shuffle to the old application rc = getShuffleResponseCode(shuffle, jt); Assert.assertEquals(HttpURLConnection.HTTP_OK, rc); // emulate shuffle handler restart with incompatible version Version version21 = Version.newInstance(2, 1); shuffle.storeVersion(version21); Assert.assertEquals(version21, shuffle.loadVersion()); shuffle.close(); shuffle = new ShuffleHandler(); shuffle.setRecoveryPath(new Path(tmpDir.toString())); shuffle.init(conf); try { shuffle.start(); Assert.fail("Incompatible version, should expect fail here."); } catch (ServiceStateException e) { Assert.assertTrue("Exception message mismatch", e.getMessage().contains("Incompatible version for state DB schema:")); } } finally { if (shuffle != null) { shuffle.close(); } FileUtil.fullyDelete(tmpDir); } }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
@Test(timeout = 100000) public void testGetMapOutputInfo() throws Exception { final ArrayList<Throwable> failures = new ArrayList<Throwable>(1); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.setInt(ShuffleHandler.MAX_SHUFFLE_CONNECTIONS, 3); conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "simple"); UserGroupInformation.setConfiguration(conf); File absLogDir = new File("target", TestShuffleHandler.class.getSimpleName() + "LocDir").getAbsoluteFile(); conf.set(YarnConfiguration.NM_LOCAL_DIRS, absLogDir.getAbsolutePath()); ApplicationId appId = ApplicationId.newInstance(12345, 1); String appAttemptId = "attempt_12345_1_m_1_0"; String user = "randomUser"; String reducerId = "0"; List<File> fileMap = new ArrayList<File>(); createShuffleHandlerFiles(absLogDir, user, appId.toString(), appAttemptId, conf, fileMap); ShuffleHandler shuffleHandler = new ShuffleHandler() { @Override/*from w ww . ja v a2s .com*/ protected Shuffle getShuffle(Configuration conf) { // replace the shuffle handler with one stubbed for testing return new Shuffle(conf) { @Override protected void populateHeaders(List<String> mapIds, String outputBaseStr, String dagId, String user, Range reduceRange, HttpResponse response, boolean keepAliveParam, Map<String, MapOutputInfo> infoMap) throws IOException { // Only set response headers and skip everything else // send some dummy value for content-length super.setResponseHeaders(response, keepAliveParam, 100); } @Override protected void verifyRequest(String appid, ChannelHandlerContext ctx, HttpRequest request, HttpResponse response, URL requestUri) throws IOException { // Do nothing. } @Override protected void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) { if (failures.size() == 0) { failures.add(new Error(message)); ctx.getChannel().close(); } } @Override protected ChannelFuture sendMapOutput(ChannelHandlerContext ctx, Channel ch, String user, String mapId, Range reduceRange, MapOutputInfo info) throws IOException { // send a shuffle header ShuffleHeader header = new ShuffleHeader("attempt_12345_1_m_1_0", 5678, 5678, 1); DataOutputBuffer dob = new DataOutputBuffer(); header.write(dob); return ch.write(wrappedBuffer(dob.getData(), 0, dob.getLength())); } }; } }; shuffleHandler.init(conf); try { shuffleHandler.start(); DataOutputBuffer outputBuffer = new DataOutputBuffer(); outputBuffer.reset(); Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>("identifier".getBytes(), "password".getBytes(), new Text(user), new Text("shuffleService")); jt.write(outputBuffer); shuffleHandler.initializeApplication(new ApplicationInitializationContext(user, appId, ByteBuffer.wrap(outputBuffer.getData(), 0, outputBuffer.getLength()))); URL url = new URL("http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY) + "/mapOutput?job=job_12345_0001&dag=1&reduce=" + reducerId + "&map=attempt_12345_1_m_1_0"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); conn.connect(); try { DataInputStream is = new DataInputStream(conn.getInputStream()); ShuffleHeader header = new ShuffleHeader(); header.readFields(is); is.close(); } catch (EOFException e) { // ignore } Assert.assertEquals("sendError called due to shuffle error", 0, failures.size()); } finally { shuffleHandler.stop(); FileUtil.fullyDelete(absLogDir); } }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
@Test(timeout = 5000) public void testDagDelete() throws Exception { final ArrayList<Throwable> failures = new ArrayList<Throwable>(1); Configuration conf = new Configuration(); conf.setInt(ShuffleHandler.MAX_SHUFFLE_CONNECTIONS, 3); conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "simple"); UserGroupInformation.setConfiguration(conf); File absLogDir = new File("target", TestShuffleHandler.class.getSimpleName() + "LocDir").getAbsoluteFile(); conf.set(YarnConfiguration.NM_LOCAL_DIRS, absLogDir.getAbsolutePath()); ApplicationId appId = ApplicationId.newInstance(12345, 1); String appAttemptId = "attempt_12345_1_m_1_0"; String user = "randomUser"; List<File> fileMap = new ArrayList<File>(); createShuffleHandlerFiles(absLogDir, user, appId.toString(), appAttemptId, conf, fileMap); ShuffleHandler shuffleHandler = new ShuffleHandler() { @Override/*from w w w . j ava2 s.c om*/ protected Shuffle getShuffle(Configuration conf) { // replace the shuffle handler with one stubbed for testing return new Shuffle(conf) { @Override protected void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) { if (failures.size() == 0) { failures.add(new Error(message)); ctx.getChannel().close(); } } }; } }; shuffleHandler.init(conf); try { shuffleHandler.start(); DataOutputBuffer outputBuffer = new DataOutputBuffer(); outputBuffer.reset(); Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>("identifier".getBytes(), "password".getBytes(), new Text(user), new Text("shuffleService")); jt.write(outputBuffer); shuffleHandler.initializeApplication(new ApplicationInitializationContext(user, appId, ByteBuffer.wrap(outputBuffer.getData(), 0, outputBuffer.getLength()))); URL url = new URL( "http://127.0.0.1:" + shuffleHandler.getConfig().get(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY) + "/mapOutput?dagAction=delete&job=job_12345_0001&dag=1"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_NAME, ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); conn.setRequestProperty(ShuffleHeader.HTTP_HEADER_VERSION, ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); String dagDirStr = StringUtils.join(Path.SEPARATOR, new String[] { absLogDir.getAbsolutePath(), ShuffleHandler.USERCACHE, user, ShuffleHandler.APPCACHE, appId.toString(), "dag_1/" }); File dagDir = new File(dagDirStr); Assert.assertTrue("Dag Directory does not exist!", dagDir.exists()); conn.connect(); try { DataInputStream is = new DataInputStream(conn.getInputStream()); is.close(); Assert.assertFalse("Dag Directory was not deleted!", dagDir.exists()); } catch (EOFException e) { // ignore } Assert.assertEquals("sendError called due to shuffle error", 0, failures.size()); } finally { shuffleHandler.stop(); FileUtil.fullyDelete(absLogDir); } }
From source file:org.apache.tez.auxservices.TestShuffleHandler.java
License:Apache License
@Test(timeout = 4000) public void testSendMapCount() throws Exception { final List<ShuffleHandler.ReduceMapFileCount> listenerList = new ArrayList<ShuffleHandler.ReduceMapFileCount>(); final ChannelHandlerContext mockCtx = mock(ChannelHandlerContext.class); final MessageEvent mockEvt = mock(MessageEvent.class); final Channel mockCh = mock(AbstractChannel.class); final ChannelPipeline mockPipeline = Mockito.mock(ChannelPipeline.class); // Mock HttpRequest and ChannelFuture final HttpRequest mockHttpRequest = createMockHttpRequest(); final ChannelFuture mockFuture = createMockChannelFuture(mockCh, listenerList); final ShuffleHandler.TimeoutHandler timerHandler = new ShuffleHandler.TimeoutHandler(); // Mock Netty Channel Context and Channel behavior Mockito.doReturn(mockCh).when(mockCtx).getChannel(); Mockito.when(mockCh.getPipeline()).thenReturn(mockPipeline); Mockito.when(mockPipeline.get(Mockito.any(String.class))).thenReturn(timerHandler); when(mockCtx.getChannel()).thenReturn(mockCh); Mockito.doReturn(mockFuture).when(mockCh).write(Mockito.any(Object.class)); when(mockCh.write(Object.class)).thenReturn(mockFuture); //Mock MessageEvent behavior Mockito.doReturn(mockCh).when(mockEvt).getChannel(); when(mockEvt.getChannel()).thenReturn(mockCh); Mockito.doReturn(mockHttpRequest).when(mockEvt).getMessage(); final ShuffleHandler sh = new MockShuffleHandler(); Configuration conf = new Configuration(); // The Shuffle handler port associated with the service is bound to but not used. conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0); sh.init(conf);/*from w ww. j a v a2s. c o m*/ sh.start(); int maxOpenFiles = conf.getInt(ShuffleHandler.SHUFFLE_MAX_SESSION_OPEN_FILES, ShuffleHandler.DEFAULT_SHUFFLE_MAX_SESSION_OPEN_FILES); sh.getShuffle(conf).messageReceived(mockCtx, mockEvt); assertTrue("Number of Open files should not exceed the configured " + "value!-Not Expected", listenerList.size() <= maxOpenFiles); while (!listenerList.isEmpty()) { listenerList.remove(0).operationComplete(mockFuture); assertTrue("Number of Open files should not exceed the configured " + "value!-Not Expected", listenerList.size() <= maxOpenFiles); } sh.close(); }