| /* |
| * 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.fs.ozone; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.StorageUnit; |
| import org.apache.hadoop.fs.BlockLocation; |
| import org.apache.hadoop.fs.CommonConfigurationKeysPublic; |
| import org.apache.hadoop.fs.FSDataInputStream; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.GlobalStorageStatistics; |
| import org.apache.hadoop.fs.LocatedFileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.StorageStatistics; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.ozone.OzoneConfigKeys; |
| import org.apache.hadoop.ozone.OzoneConsts; |
| import org.apache.hadoop.ozone.TestDataUtil; |
| import org.apache.hadoop.ozone.client.OzoneBucket; |
| import org.apache.hadoop.ozone.om.OMConfigKeys; |
| import org.apache.hadoop.ozone.om.OMMetadataManager; |
| import org.apache.hadoop.ozone.om.OMMetrics; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyArgs; |
| import org.apache.hadoop.ozone.om.helpers.OzoneFileStatus; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.util.Time; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import org.apache.commons.io.IOUtils; |
| import org.apache.commons.lang3.RandomStringUtils; |
| import static org.apache.hadoop.fs.ozone.Constants.OZONE_DEFAULT_USER; |
| import org.junit.After; |
| import org.junit.Assert; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import org.junit.Before; |
| import org.junit.Ignore; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.Timeout; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** |
| * Test OzoneFileSystem Interfaces. |
| * |
| * This test will test the various interfaces i.e. |
| * create, read, write, getFileStatus |
| */ |
| @RunWith(Parameterized.class) |
| public class TestOzoneFileInterfaces { |
| |
| /** |
| * Set a timeout for each test. |
| */ |
| @Rule |
| public Timeout timeout = Timeout.seconds(300); |
| |
| private String rootPath; |
| |
| /** |
| * Parameter class to set absolute url/defaultFS handling. |
| * <p> |
| * Hadoop file systems could be used in multiple ways: Using the defaultfs |
| * and file path without the schema, or use absolute url-s even with |
| * different defaultFS. This parameter matrix would test both the use cases. |
| */ |
| @Parameters |
| public static Collection<Object[]> data() { |
| return Arrays.asList(new Object[][] {{false, true, true}, |
| {true, false, false}}); |
| } |
| |
| private boolean setDefaultFs; |
| |
| private boolean useAbsolutePath; |
| |
| private MiniOzoneCluster cluster = null; |
| |
| private FileSystem fs; |
| |
| private OzoneFileSystem o3fs; |
| |
| private String volumeName; |
| |
| private String bucketName; |
| |
| private OzoneFSStorageStatistics statistics; |
| |
| private OMMetrics omMetrics; |
| |
| private boolean enableFileSystemPaths; |
| |
| public TestOzoneFileInterfaces(boolean setDefaultFs, |
| boolean useAbsolutePath, boolean enabledFileSystemPaths) { |
| this.setDefaultFs = setDefaultFs; |
| this.useAbsolutePath = useAbsolutePath; |
| this.enableFileSystemPaths = enabledFileSystemPaths; |
| GlobalStorageStatistics.INSTANCE.reset(); |
| } |
| |
| @Before |
| public void init() throws Exception { |
| volumeName = RandomStringUtils.randomAlphabetic(10).toLowerCase(); |
| bucketName = RandomStringUtils.randomAlphabetic(10).toLowerCase(); |
| |
| OzoneConfiguration conf = new OzoneConfiguration(); |
| conf.setBoolean(OMConfigKeys.OZONE_OM_ENABLE_FILESYSTEM_PATHS, |
| enableFileSystemPaths); |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(3) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| |
| // create a volume and a bucket to be used by OzoneFileSystem |
| OzoneBucket bucket = |
| TestDataUtil.createVolumeAndBucket(cluster, volumeName, bucketName); |
| |
| rootPath = String |
| .format("%s://%s.%s/", OzoneConsts.OZONE_URI_SCHEME, bucketName, |
| volumeName); |
| if (setDefaultFs) { |
| // Set the fs.defaultFS and start the filesystem |
| conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, rootPath); |
| fs = FileSystem.get(conf); |
| } else { |
| fs = FileSystem.get(new URI(rootPath + "/test.txt"), conf); |
| } |
| o3fs = (OzoneFileSystem) fs; |
| statistics = (OzoneFSStorageStatistics) o3fs.getOzoneFSOpsCountStatistics(); |
| omMetrics = cluster.getOzoneManager().getMetrics(); |
| } |
| |
| @After |
| public void teardown() throws IOException { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| IOUtils.closeQuietly(fs); |
| } |
| |
| @Test |
| public void testFileSystemInit() throws IOException { |
| if (setDefaultFs) { |
| assertTrue( |
| "The initialized file system is not OzoneFileSystem but " + |
| fs.getClass(), |
| fs instanceof OzoneFileSystem); |
| assertEquals(OzoneConsts.OZONE_URI_SCHEME, fs.getUri().getScheme()); |
| assertEquals(OzoneConsts.OZONE_URI_SCHEME, statistics.getScheme()); |
| } |
| } |
| |
| @Test |
| public void testOzFsReadWrite() throws IOException { |
| long currentTime = Time.now(); |
| int stringLen = 20; |
| OMMetadataManager metadataManager = cluster.getOzoneManager() |
| .getMetadataManager(); |
| String lev1dir = "l1dir"; |
| Path lev1path = createPath("/" + lev1dir); |
| String lev1key = metadataManager.getOzoneDirKey(volumeName, bucketName, |
| o3fs.pathToKey(lev1path)); |
| String lev2dir = "l2dir"; |
| Path lev2path = createPath("/" + lev1dir + "/" + lev2dir); |
| String lev2key = metadataManager.getOzoneDirKey(volumeName, bucketName, |
| o3fs.pathToKey(lev2path)); |
| |
| String data = RandomStringUtils.randomAlphanumeric(stringLen); |
| String filePath = RandomStringUtils.randomAlphanumeric(5); |
| |
| Path path = createPath("/" + lev1dir + "/" + lev2dir + "/" + filePath); |
| String fileKey = metadataManager.getOzoneDirKey(volumeName, bucketName, |
| o3fs.pathToKey(path)); |
| |
| // verify prefix directories and the file, do not already exist |
| assertTrue(metadataManager.getKeyTable().get(lev1key) == null); |
| assertTrue(metadataManager.getKeyTable().get(lev2key) == null); |
| assertTrue(metadataManager.getKeyTable().get(fileKey) == null); |
| |
| try (FSDataOutputStream stream = fs.create(path)) { |
| stream.writeBytes(data); |
| } |
| |
| assertEquals(statistics.getLong( |
| StorageStatistics.CommonStatisticNames.OP_CREATE).longValue(), 1); |
| assertEquals(statistics.getLong("objects_created").longValue(), 1); |
| |
| FileStatus status = fs.getFileStatus(path); |
| assertEquals(statistics.getLong( |
| StorageStatistics.CommonStatisticNames.OP_GET_FILE_STATUS).longValue(), |
| 1); |
| assertEquals(statistics.getLong("objects_query").longValue(), 1); |
| // The timestamp of the newly created file should always be greater than |
| // the time when the test was started |
| assertTrue("Modification time has not been recorded: " + status, |
| status.getModificationTime() > currentTime); |
| |
| assertFalse(status.isDirectory()); |
| assertEquals(FsPermission.getFileDefault(), status.getPermission()); |
| verifyOwnerGroup(status); |
| |
| FileStatus lev1status; |
| FileStatus lev2status; |
| |
| // verify prefix directories got created when creating the file. |
| assertTrue(metadataManager.getKeyTable().get(lev1key).getKeyName() |
| .equals("l1dir/")); |
| assertTrue(metadataManager.getKeyTable().get(lev2key).getKeyName() |
| .equals("l1dir/l2dir/")); |
| lev1status = getDirectoryStat(lev1path); |
| lev2status = getDirectoryStat(lev2path); |
| assertTrue((lev1status != null) && (lev2status != null)); |
| |
| try (FSDataInputStream inputStream = fs.open(path)) { |
| byte[] buffer = new byte[stringLen]; |
| // This read will not change the offset inside the file |
| int readBytes = inputStream.read(0, buffer, 0, buffer.length); |
| String out = new String(buffer, 0, buffer.length, UTF_8); |
| assertEquals(data, out); |
| assertEquals(readBytes, buffer.length); |
| assertEquals(0, inputStream.getPos()); |
| |
| // The following read will change the internal offset |
| readBytes = inputStream.read(buffer, 0, buffer.length); |
| assertEquals(data, out); |
| assertEquals(readBytes, buffer.length); |
| assertEquals(buffer.length, inputStream.getPos()); |
| } |
| assertEquals(statistics.getLong( |
| StorageStatistics.CommonStatisticNames.OP_OPEN).longValue(), 1); |
| assertEquals(statistics.getLong("objects_read").longValue(), 1); |
| } |
| |
| @Test |
| public void testReplication() throws IOException { |
| int stringLen = 20; |
| String data = RandomStringUtils.randomAlphanumeric(stringLen); |
| String filePath = RandomStringUtils.randomAlphanumeric(5); |
| |
| Path pathIllegal = createPath("/" + filePath + "illegal"); |
| try (FSDataOutputStream streamIllegal = fs.create(pathIllegal, (short)2)) { |
| streamIllegal.writeBytes(data); |
| } |
| assertEquals(3, fs.getFileStatus(pathIllegal).getReplication()); |
| |
| Path pathLegal = createPath("/" + filePath + "legal"); |
| try (FSDataOutputStream streamLegal = fs.create(pathLegal, (short)1)) { |
| streamLegal.writeBytes(data); |
| } |
| assertEquals(1, fs.getFileStatus(pathLegal).getReplication()); |
| } |
| |
| private void verifyOwnerGroup(FileStatus fileStatus) { |
| String owner = getCurrentUser(); |
| assertEquals(owner, fileStatus.getOwner()); |
| assertEquals(owner, fileStatus.getGroup()); |
| } |
| |
| |
| @Test |
| public void testDirectory() throws IOException { |
| String leafName = RandomStringUtils.randomAlphanumeric(5); |
| OMMetadataManager metadataManager = cluster.getOzoneManager() |
| .getMetadataManager(); |
| |
| String lev1dir = "abc"; |
| Path lev1path = createPath("/" + lev1dir); |
| String lev1key = metadataManager.getOzoneDirKey(volumeName, bucketName, |
| o3fs.pathToKey(lev1path)); |
| String lev2dir = "def"; |
| Path lev2path = createPath("/" + lev1dir + "/" + lev2dir); |
| String lev2key = metadataManager.getOzoneDirKey(volumeName, bucketName, |
| o3fs.pathToKey(lev2path)); |
| |
| FileStatus rootChild; |
| FileStatus rootstatus; |
| FileStatus leafstatus; |
| |
| Path leaf = createPath("/" + lev1dir + "/" + lev2dir + "/" + leafName); |
| String leafKey = metadataManager.getOzoneDirKey(volumeName, bucketName, |
| o3fs.pathToKey(leaf)); |
| |
| // verify prefix directories and the leaf, do not already exist |
| assertTrue(metadataManager.getKeyTable().get(lev1key) == null); |
| assertTrue(metadataManager.getKeyTable().get(lev2key) == null); |
| assertTrue(metadataManager.getKeyTable().get(leafKey) == null); |
| |
| assertTrue("Makedirs returned with false for the path " + leaf, |
| fs.mkdirs(leaf)); |
| |
| // verify the leaf directory got created. |
| leafstatus = getDirectoryStat(leaf); |
| assertTrue(leafstatus != null); |
| |
| FileStatus lev1status; |
| FileStatus lev2status; |
| |
| // verify prefix directories got created when creating the leaf directory. |
| assertTrue(metadataManager |
| .getKeyTable() |
| .get(lev1key) |
| .getKeyName().equals("abc/")); |
| assertTrue(metadataManager |
| .getKeyTable() |
| .get(lev2key) |
| .getKeyName().equals("abc/def/")); |
| lev1status = getDirectoryStat(lev1path); |
| lev2status = getDirectoryStat(lev2path); |
| assertTrue((lev1status != null) && (lev2status != null)); |
| rootChild = lev1status; |
| |
| // check the root directory |
| rootstatus = getDirectoryStat(createPath("/")); |
| assertTrue(rootstatus != null); |
| |
| // root directory listing should contain the lev1 prefix directory |
| FileStatus[] statusList = fs.listStatus(createPath("/")); |
| assertEquals(1, statusList.length); |
| assertEquals(rootChild, statusList[0]); |
| } |
| |
| @Test |
| public void testListStatus() throws IOException { |
| List<Path> paths = new ArrayList<>(); |
| String dirPath = RandomStringUtils.randomAlphanumeric(5); |
| Path path = createPath("/" + dirPath); |
| paths.add(path); |
| |
| long mkdirs = statistics.getLong( |
| StorageStatistics.CommonStatisticNames.OP_MKDIRS); |
| assertTrue("Makedirs returned with false for the path " + path, |
| fs.mkdirs(path)); |
| assertCounter(++mkdirs, StorageStatistics.CommonStatisticNames.OP_MKDIRS); |
| |
| long listObjects = statistics.getLong(Statistic.OBJECTS_LIST.getSymbol()); |
| long omListStatus = omMetrics.getNumListStatus(); |
| FileStatus[] statusList = fs.listStatus(createPath("/")); |
| assertEquals(1, statusList.length); |
| assertCounter(++listObjects, Statistic.OBJECTS_LIST.getSymbol()); |
| assertEquals(++omListStatus, omMetrics.getNumListStatus()); |
| assertEquals(fs.getFileStatus(path), statusList[0]); |
| |
| dirPath = RandomStringUtils.randomAlphanumeric(5); |
| path = createPath("/" + dirPath); |
| paths.add(path); |
| assertTrue("Makedirs returned with false for the path " + path, |
| fs.mkdirs(path)); |
| assertCounter(++mkdirs, StorageStatistics.CommonStatisticNames.OP_MKDIRS); |
| |
| statusList = fs.listStatus(createPath("/")); |
| assertEquals(2, statusList.length); |
| assertCounter(++listObjects, Statistic.OBJECTS_LIST.getSymbol()); |
| assertEquals(++omListStatus, omMetrics.getNumListStatus()); |
| for (Path p : paths) { |
| assertTrue(Arrays.asList(statusList).contains(fs.getFileStatus(p))); |
| } |
| } |
| |
| @Test |
| public void testOzoneManagerFileSystemInterface() throws IOException { |
| String dirPath = RandomStringUtils.randomAlphanumeric(5); |
| |
| Path path = createPath("/" + dirPath); |
| assertTrue("Makedirs returned with false for the path " + path, |
| fs.mkdirs(path)); |
| |
| long numFileStatus = |
| cluster.getOzoneManager().getMetrics().getNumGetFileStatus(); |
| FileStatus status = fs.getFileStatus(path); |
| |
| Assert.assertEquals(numFileStatus + 1, |
| cluster.getOzoneManager().getMetrics().getNumGetFileStatus()); |
| assertTrue(status.isDirectory()); |
| assertEquals(FsPermission.getDirDefault(), status.getPermission()); |
| verifyOwnerGroup(status); |
| |
| long currentTime = System.currentTimeMillis(); |
| OmKeyArgs keyArgs = new OmKeyArgs.Builder() |
| .setVolumeName(volumeName) |
| .setBucketName(bucketName) |
| .setKeyName(o3fs.pathToKey(path)) |
| .build(); |
| OzoneFileStatus omStatus = |
| cluster.getOzoneManager().getFileStatus(keyArgs); |
| //Another get file status here, incremented the counter. |
| Assert.assertEquals(numFileStatus + 2, |
| cluster.getOzoneManager().getMetrics().getNumGetFileStatus()); |
| |
| assertTrue("The created path is not directory.", omStatus.isDirectory()); |
| |
| // For directories, the time returned is the current time when the dir key |
| // doesn't actually exist on server; if it exists, it will be a fixed value. |
| // In this case, the dir key exists. |
| assertEquals(0, omStatus.getKeyInfo().getDataSize()); |
| assertTrue(omStatus.getKeyInfo().getModificationTime() <= currentTime); |
| assertEquals(new Path(omStatus.getPath()).getName(), |
| o3fs.pathToKey(path)); |
| } |
| |
| @Test |
| public void testOzoneManagerLocatedFileStatus() throws IOException { |
| String data = RandomStringUtils.randomAlphanumeric(20); |
| String filePath = RandomStringUtils.randomAlphanumeric(5); |
| Path path = createPath("/" + filePath); |
| try (FSDataOutputStream stream = fs.create(path)) { |
| stream.writeBytes(data); |
| } |
| FileStatus status = fs.getFileStatus(path); |
| assertTrue(status instanceof LocatedFileStatus); |
| LocatedFileStatus locatedFileStatus = (LocatedFileStatus) status; |
| assertTrue(locatedFileStatus.getBlockLocations().length >= 1); |
| |
| for (BlockLocation blockLocation : locatedFileStatus.getBlockLocations()) { |
| assertTrue(blockLocation.getNames().length >= 1); |
| assertTrue(blockLocation.getHosts().length >= 1); |
| } |
| } |
| |
| @Test |
| @Ignore("HDDS-3506") |
| public void testOzoneManagerLocatedFileStatusBlockOffsetsWithMultiBlockFile() |
| throws Exception { |
| // naive assumption: MiniOzoneCluster will not have larger than ~1GB |
| // block size when running this test. |
| int blockSize = (int) fs.getConf().getStorageSize( |
| OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE, |
| OzoneConfigKeys.OZONE_SCM_BLOCK_SIZE_DEFAULT, |
| StorageUnit.BYTES |
| ); |
| String data = RandomStringUtils.randomAlphanumeric(2 * blockSize + 837); |
| String filePath = RandomStringUtils.randomAlphanumeric(5); |
| Path path = createPath("/" + filePath); |
| try (FSDataOutputStream stream = fs.create(path)) { |
| stream.writeBytes(data); |
| } |
| FileStatus status = fs.getFileStatus(path); |
| assertTrue(status instanceof LocatedFileStatus); |
| LocatedFileStatus locatedFileStatus = (LocatedFileStatus) status; |
| BlockLocation[] blockLocations = locatedFileStatus.getBlockLocations(); |
| |
| assertEquals(0, blockLocations[0].getOffset()); |
| assertEquals(blockSize, blockLocations[1].getOffset()); |
| assertEquals(2*blockSize, blockLocations[2].getOffset()); |
| assertEquals(blockSize, blockLocations[0].getLength()); |
| assertEquals(blockSize, blockLocations[1].getLength()); |
| assertEquals(837, blockLocations[2].getLength()); |
| } |
| |
| @Test |
| public void testPathToKey() throws Exception { |
| |
| assertEquals("a/b/1", o3fs.pathToKey(new Path("/a/b/1"))); |
| |
| assertEquals("user/" + getCurrentUser() + "/key1/key2", |
| o3fs.pathToKey(new Path("key1/key2"))); |
| |
| assertEquals("key1/key2", |
| o3fs.pathToKey(new Path("o3fs://test1/key1/key2"))); |
| } |
| |
| private String getCurrentUser() { |
| try { |
| return UserGroupInformation.getCurrentUser().getShortUserName(); |
| } catch (IOException e) { |
| return OZONE_DEFAULT_USER; |
| } |
| } |
| |
| private Path createPath(String relativePath) { |
| if (useAbsolutePath) { |
| return new Path( |
| rootPath + (relativePath.startsWith("/") ? "" : "/") + relativePath); |
| } else { |
| return new Path(relativePath); |
| } |
| } |
| |
| /** |
| * verify that a directory exists and is initialized correctly. |
| * @param path of the directory |
| * @return null indicates FILE_NOT_FOUND, else the FileStatus |
| * @throws IOException |
| */ |
| private FileStatus getDirectoryStat(Path path) throws IOException { |
| |
| FileStatus status = null; |
| |
| try { |
| status = fs.getFileStatus(path); |
| } catch (FileNotFoundException e) { |
| return null; |
| } |
| assertTrue("The created path is not directory.", status.isDirectory()); |
| |
| assertEquals(FsPermission.getDirDefault(), status.getPermission()); |
| verifyOwnerGroup(status); |
| |
| assertEquals(0, status.getLen()); |
| |
| return status; |
| } |
| |
| private void assertCounter(long value, String key) { |
| assertEquals(value, statistics.getLong(key).longValue()); |
| } |
| } |