| /** |
| * 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.hdfs.tools.offlineImageViewer; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.HttpURLConnection; |
| import java.net.URI; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.XAttr; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.hdfs.XAttrHelper; |
| import org.apache.hadoop.hdfs.protocol.HdfsConstants; |
| import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil; |
| import org.apache.hadoop.hdfs.web.JsonUtil; |
| import org.apache.hadoop.hdfs.web.WebHdfsFileSystem; |
| import org.apache.hadoop.net.NetUtils; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| /** |
| * Tests OfflineImageViewer if the input fsimage has XAttributes |
| */ |
| public class TestOfflineImageViewerForXAttr { |
| |
| private static final Log LOG = LogFactory |
| .getLog(TestOfflineImageViewerForXAttr.class); |
| |
| private static File originalFsimage = null; |
| |
| static String attr1JSon; |
| |
| /** |
| * Create a populated namespace for later testing. Save its contents to a data |
| * structure and store its fsimage location. We only want to generate the |
| * fsimage file once and use it for multiple tests. |
| */ |
| @BeforeClass |
| public static void createOriginalFSImage() throws IOException { |
| MiniDFSCluster cluster = null; |
| Configuration conf = new Configuration(); |
| |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).build(); |
| cluster.waitActive(); |
| DistributedFileSystem hdfs = cluster.getFileSystem(); |
| // Create a name space with XAttributes |
| Path dir = new Path("/dir1"); |
| hdfs.mkdirs(dir); |
| hdfs.setXAttr(dir, "user.attr1", "value1".getBytes()); |
| hdfs.setXAttr(dir, "user.attr2", "value2".getBytes()); |
| // Write results to the fsimage file |
| hdfs.setSafeMode(HdfsConstants.SafeModeAction.SAFEMODE_ENTER, false); |
| hdfs.saveNamespace(); |
| |
| List<XAttr> attributes = new ArrayList<XAttr>(); |
| attributes.add(XAttrHelper.buildXAttr("user.attr1", "value1".getBytes())); |
| |
| attr1JSon = JsonUtil.toJsonString(attributes, null); |
| |
| attributes.add(XAttrHelper.buildXAttr("user.attr2", "value2".getBytes())); |
| |
| // Determine the location of the fsimage file |
| originalFsimage = FSImageTestUtil.findLatestImageFile(FSImageTestUtil |
| .getFSImage(cluster.getNameNode()).getStorage().getStorageDir(0)); |
| if (originalFsimage == null) { |
| throw new RuntimeException("Didn't generate or can't find fsimage"); |
| } |
| LOG.debug("original FS image file is " + originalFsimage); |
| } finally { |
| if (cluster != null) |
| cluster.shutdown(); |
| } |
| } |
| |
| @AfterClass |
| public static void deleteOriginalFSImage() throws IOException { |
| if (originalFsimage != null && originalFsimage.exists()) { |
| originalFsimage.delete(); |
| } |
| } |
| |
| @Test |
| public void testWebImageViewerForListXAttrs() throws Exception { |
| try (WebImageViewer viewer = new WebImageViewer( |
| NetUtils.createSocketAddr("localhost:0"))) { |
| viewer.initServer(originalFsimage.getAbsolutePath()); |
| int port = viewer.getPort(); |
| |
| URL url = new URL("http://localhost:" + port |
| + "/webhdfs/v1/dir1/?op=LISTXATTRS"); |
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| connection.setRequestMethod("GET"); |
| connection.connect(); |
| |
| assertEquals(HttpURLConnection.HTTP_OK, connection.getResponseCode()); |
| |
| String content = IOUtils.toString(connection.getInputStream()); |
| |
| assertTrue("Missing user.attr1 in response ", |
| content.contains("user.attr1")); |
| assertTrue("Missing user.attr2 in response ", |
| content.contains("user.attr2")); |
| |
| } |
| } |
| |
| @Test |
| public void testWebImageViewerForGetXAttrsWithOutParameters() |
| throws Exception { |
| try (WebImageViewer viewer = new WebImageViewer( |
| NetUtils.createSocketAddr("localhost:0"))) { |
| viewer.initServer(originalFsimage.getAbsolutePath()); |
| int port = viewer.getPort(); |
| |
| URL url = new URL("http://localhost:" + port |
| + "/webhdfs/v1/dir1/?op=GETXATTRS"); |
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| connection.setRequestMethod("GET"); |
| connection.connect(); |
| |
| assertEquals(HttpURLConnection.HTTP_OK, connection.getResponseCode()); |
| String content = IOUtils.toString(connection.getInputStream()); |
| |
| assertTrue("Missing user.attr1 in response ", |
| content.contains("user.attr1")); |
| assertTrue("Missing user.attr2 in response ", |
| content.contains("user.attr2")); |
| } |
| } |
| |
| @Test |
| public void testWebImageViewerForGetXAttrsWithParameters() throws Exception { |
| try (WebImageViewer viewer = new WebImageViewer( |
| NetUtils.createSocketAddr("localhost:0"))) { |
| |
| viewer.initServer(originalFsimage.getAbsolutePath()); |
| int port = viewer.getPort(); |
| |
| URL url = new URL("http://localhost:" + port |
| + "/webhdfs/v1/dir1/?op=GETXATTRS&xattr.name=attr8"); |
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| connection.setRequestMethod("GET"); |
| connection.connect(); |
| |
| assertEquals(HttpURLConnection.HTTP_BAD_REQUEST, |
| connection.getResponseCode()); |
| |
| url = new URL("http://localhost:" + port |
| + "/webhdfs/v1/dir1/?op=GETXATTRS&xattr.name=user.attr1"); |
| connection = (HttpURLConnection) url.openConnection(); |
| connection.setRequestMethod("GET"); |
| connection.connect(); |
| |
| assertEquals(HttpURLConnection.HTTP_OK, connection.getResponseCode()); |
| String content = IOUtils.toString(connection.getInputStream()); |
| assertEquals(attr1JSon, content); |
| } |
| } |
| |
| @Test |
| public void testWebImageViewerForGetXAttrsWithCodecParameters() |
| throws Exception { |
| try (WebImageViewer viewer = new WebImageViewer( |
| NetUtils.createSocketAddr("localhost:0"))) { |
| viewer.initServer(originalFsimage.getAbsolutePath()); |
| int port = viewer.getPort(); |
| |
| URL url = new URL( |
| "http://localhost:" |
| + port |
| + "/webhdfs/v1/dir1/?op=GETXATTRS&xattr.name=USER.attr1&encoding=TEXT"); |
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| connection.setRequestMethod("GET"); |
| connection.connect(); |
| |
| assertEquals(HttpURLConnection.HTTP_OK, connection.getResponseCode()); |
| String content = IOUtils.toString(connection.getInputStream()); |
| assertEquals(attr1JSon, content); |
| |
| } |
| } |
| |
| @Test |
| public void testWithWebHdfsFileSystem() throws Exception { |
| try (WebImageViewer viewer = new WebImageViewer( |
| NetUtils.createSocketAddr("localhost:0"))) { |
| viewer.initServer(originalFsimage.getAbsolutePath()); |
| int port = viewer.getPort(); |
| |
| // create a WebHdfsFileSystem instance |
| URI uri = new URI("webhdfs://localhost:" + String.valueOf(port)); |
| Configuration conf = new Configuration(); |
| WebHdfsFileSystem webhdfs = (WebHdfsFileSystem) FileSystem.get(uri, conf); |
| |
| List<String> names = webhdfs.listXAttrs(new Path("/dir1")); |
| assertTrue(names.contains("user.attr1")); |
| assertTrue(names.contains("user.attr2")); |
| |
| String value = new String(webhdfs.getXAttr(new Path("/dir1"), |
| "user.attr1")); |
| assertEquals("value1", value); |
| |
| value = new String(webhdfs.getXAttr(new Path("/dir1"), "USER.attr1")); |
| assertEquals("value1", value); |
| |
| Map<String, byte[]> contentMap = webhdfs.getXAttrs(new Path("/dir1"), |
| names); |
| |
| assertEquals("value1", new String(contentMap.get("user.attr1"))); |
| assertEquals("value2", new String(contentMap.get("user.attr2"))); |
| } |
| } |
| |
| @Test |
| public void testResponseCode() throws Exception { |
| try (WebImageViewer viewer = new WebImageViewer( |
| NetUtils.createSocketAddr("localhost:0"))) { |
| viewer.initServer(originalFsimage.getAbsolutePath()); |
| int port = viewer.getPort(); |
| |
| URL url = new URL( |
| "http://localhost:" |
| + port |
| + "/webhdfs/v1/dir1/?op=GETXATTRS&xattr.name=user.notpresent&encoding=TEXT"); |
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| connection.setRequestMethod("GET"); |
| connection.connect(); |
| |
| assertEquals(HttpURLConnection.HTTP_FORBIDDEN, |
| connection.getResponseCode()); |
| |
| } |
| } |
| } |