| /** |
| * 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.web; |
| |
| import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_TRASH_INTERVAL_KEY; |
| import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY; |
| import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_SIZE_KEY; |
| import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CHECKSUM_TYPE_KEY; |
| import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_KEY; |
| import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_REPLICATION_KEY; |
| import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_BYTES_PER_CHECKSUM_KEY; |
| import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_KEY; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.EOFException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.HttpURLConnection; |
| import java.net.InetSocketAddress; |
| import java.net.SocketException; |
| import java.net.SocketTimeoutException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| import java.nio.charset.StandardCharsets; |
| import java.security.PrivilegedExceptionAction; |
| import java.util.Arrays; |
| import java.util.Random; |
| |
| import com.google.common.collect.ImmutableList; |
| 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.BlockLocation; |
| import org.apache.hadoop.fs.BlockStoragePolicySpi; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.fs.ContentSummary; |
| 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.FsServerDefaults; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.RemoteIterator; |
| import org.apache.hadoop.fs.StorageType; |
| import org.apache.hadoop.fs.contract.ContractTestUtils; |
| import org.apache.hadoop.fs.permission.AclEntry; |
| import org.apache.hadoop.fs.permission.AclEntryScope; |
| import org.apache.hadoop.fs.permission.AclEntryType; |
| import org.apache.hadoop.fs.permission.FsAction; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.DFSTestUtil; |
| import org.apache.hadoop.hdfs.DFSUtil; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.HdfsConfiguration; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.hdfs.TestDFSClientRetries; |
| import org.apache.hadoop.hdfs.TestFileCreation; |
| import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys; |
| import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy; |
| import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy; |
| import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies; |
| import org.apache.hadoop.hdfs.protocol.HdfsConstants; |
| import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport; |
| import static org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType; |
| import static org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry; |
| import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus; |
| import org.apache.hadoop.hdfs.server.namenode.FSNamesystem; |
| import org.apache.hadoop.hdfs.server.namenode.NameNode; |
| import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter; |
| import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; |
| import org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods; |
| import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols; |
| import org.apache.hadoop.hdfs.web.WebHdfsFileSystem.WebHdfsInputStream; |
| import org.apache.hadoop.hdfs.web.resources.LengthParam; |
| import org.apache.hadoop.hdfs.web.resources.NoRedirectParam; |
| import org.apache.hadoop.hdfs.web.resources.OffsetParam; |
| import org.apache.hadoop.hdfs.web.resources.Param; |
| import org.apache.hadoop.io.retry.RetryPolicy; |
| import org.apache.hadoop.io.retry.RetryPolicy.RetryAction; |
| import org.apache.hadoop.io.retry.RetryPolicy.RetryAction.RetryDecision; |
| import org.apache.hadoop.ipc.RemoteException; |
| import org.apache.hadoop.ipc.RetriableException; |
| import org.apache.hadoop.security.AccessControlException; |
| import org.apache.hadoop.security.token.SecretManager.InvalidToken; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.apache.hadoop.util.DataChecksum; |
| import org.apache.log4j.Level; |
| import org.codehaus.jettison.json.JSONArray; |
| import org.codehaus.jettison.json.JSONException; |
| import org.codehaus.jettison.json.JSONObject; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| import org.mockito.internal.util.reflection.Whitebox; |
| |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| /** Test WebHDFS */ |
| public class TestWebHDFS { |
| static final Log LOG = LogFactory.getLog(TestWebHDFS.class); |
| |
| static final Random RANDOM = new Random(); |
| |
| static final long systemStartTime = System.nanoTime(); |
| |
| /** A timer for measuring performance. */ |
| static class Ticker { |
| final String name; |
| final long startTime = System.nanoTime(); |
| private long previousTick = startTime; |
| |
| Ticker(final String name, String format, Object... args) { |
| this.name = name; |
| LOG.info(String.format("\n\n%s START: %s\n", |
| name, String.format(format, args))); |
| } |
| |
| void tick(final long nBytes, String format, Object... args) { |
| final long now = System.nanoTime(); |
| if (now - previousTick > 10000000000L) { |
| previousTick = now; |
| final double mintues = (now - systemStartTime)/60000000000.0; |
| LOG.info(String.format("\n\n%s %.2f min) %s %s\n", name, mintues, |
| String.format(format, args), toMpsString(nBytes, now))); |
| } |
| } |
| |
| void end(final long nBytes) { |
| final long now = System.nanoTime(); |
| final double seconds = (now - startTime)/1000000000.0; |
| LOG.info(String.format("\n\n%s END: duration=%.2fs %s\n", |
| name, seconds, toMpsString(nBytes, now))); |
| } |
| |
| String toMpsString(final long nBytes, final long now) { |
| final double mb = nBytes/(double)(1<<20); |
| final double mps = mb*1000000000.0/(now - startTime); |
| return String.format("[nBytes=%.2fMB, speed=%.2fMB/s]", mb, mps); |
| } |
| } |
| |
| @Test(timeout=300000) |
| public void testLargeFile() throws Exception { |
| largeFileTest(200L << 20); //200MB file length |
| } |
| |
| /** Test read and write large files. */ |
| static void largeFileTest(final long fileLength) throws Exception { |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| |
| final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf) |
| .numDataNodes(3) |
| .build(); |
| try { |
| cluster.waitActive(); |
| |
| final FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| final Path dir = new Path("/test/largeFile"); |
| Assert.assertTrue(fs.mkdirs(dir)); |
| |
| final byte[] data = new byte[1 << 20]; |
| RANDOM.nextBytes(data); |
| |
| final byte[] expected = new byte[2 * data.length]; |
| System.arraycopy(data, 0, expected, 0, data.length); |
| System.arraycopy(data, 0, expected, data.length, data.length); |
| |
| final Path p = new Path(dir, "file"); |
| final Ticker t = new Ticker("WRITE", "fileLength=" + fileLength); |
| final FSDataOutputStream out = fs.create(p); |
| try { |
| long remaining = fileLength; |
| for(; remaining > 0;) { |
| t.tick(fileLength - remaining, "remaining=%d", remaining); |
| |
| final int n = (int)Math.min(remaining, data.length); |
| out.write(data, 0, n); |
| remaining -= n; |
| } |
| } finally { |
| out.close(); |
| } |
| t.end(fileLength); |
| |
| Assert.assertEquals(fileLength, fs.getFileStatus(p).getLen()); |
| |
| final long smallOffset = RANDOM.nextInt(1 << 20) + (1 << 20); |
| final long largeOffset = fileLength - smallOffset; |
| final byte[] buf = new byte[data.length]; |
| |
| verifySeek(fs, p, largeOffset, fileLength, buf, expected); |
| verifySeek(fs, p, smallOffset, fileLength, buf, expected); |
| |
| verifyPread(fs, p, largeOffset, fileLength, buf, expected); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| static void checkData(long offset, long remaining, int n, |
| byte[] actual, byte[] expected) { |
| if (RANDOM.nextInt(100) == 0) { |
| int j = (int)(offset % actual.length); |
| for(int i = 0; i < n; i++) { |
| if (expected[j] != actual[i]) { |
| Assert.fail("expected[" + j + "]=" + expected[j] |
| + " != actual[" + i + "]=" + actual[i] |
| + ", offset=" + offset + ", remaining=" + remaining + ", n=" + n); |
| } |
| j++; |
| } |
| } |
| } |
| |
| /** test seek */ |
| static void verifySeek(FileSystem fs, Path p, long offset, long length, |
| byte[] buf, byte[] expected) throws IOException { |
| long remaining = length - offset; |
| long checked = 0; |
| LOG.info("XXX SEEK: offset=" + offset + ", remaining=" + remaining); |
| |
| final Ticker t = new Ticker("SEEK", "offset=%d, remaining=%d", |
| offset, remaining); |
| final FSDataInputStream in = fs.open(p, 64 << 10); |
| in.seek(offset); |
| for(; remaining > 0; ) { |
| t.tick(checked, "offset=%d, remaining=%d", offset, remaining); |
| final int n = (int)Math.min(remaining, buf.length); |
| in.readFully(buf, 0, n); |
| checkData(offset, remaining, n, buf, expected); |
| |
| offset += n; |
| remaining -= n; |
| checked += n; |
| } |
| in.close(); |
| t.end(checked); |
| } |
| |
| static void verifyPread(FileSystem fs, Path p, long offset, long length, |
| byte[] buf, byte[] expected) throws IOException { |
| long remaining = length - offset; |
| long checked = 0; |
| LOG.info("XXX PREAD: offset=" + offset + ", remaining=" + remaining); |
| |
| final Ticker t = new Ticker("PREAD", "offset=%d, remaining=%d", |
| offset, remaining); |
| final FSDataInputStream in = fs.open(p, 64 << 10); |
| for(; remaining > 0; ) { |
| t.tick(checked, "offset=%d, remaining=%d", offset, remaining); |
| final int n = (int)Math.min(remaining, buf.length); |
| in.readFully(offset, buf, 0, n); |
| checkData(offset, remaining, n, buf, expected); |
| |
| offset += n; |
| remaining -= n; |
| checked += n; |
| } |
| in.close(); |
| t.end(checked); |
| } |
| |
| /** Test client retry with namenode restarting. */ |
| @Test(timeout=300000) |
| public void testNamenodeRestart() throws Exception { |
| GenericTestUtils.setLogLevel(NamenodeWebHdfsMethods.LOG, Level.ALL); |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| TestDFSClientRetries.namenodeRestartTest(conf, true); |
| } |
| |
| @Test(timeout=300000) |
| public void testLargeDirectory() throws Exception { |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final int listLimit = 2; |
| // force small chunking of directory listing |
| conf.setInt(DFSConfigKeys.DFS_LIST_LIMIT, listLimit); |
| // force paths to be only owner-accessible to ensure ugi isn't changing |
| // during listStatus |
| FsPermission.setUMask(conf, new FsPermission((short)0077)); |
| |
| final MiniDFSCluster cluster = |
| new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); |
| try { |
| cluster.waitActive(); |
| WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME) |
| .setPermission(new Path("/"), |
| new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL)); |
| |
| // trick the NN into not believing it's not the superuser so we can |
| // tell if the correct user is used by listStatus |
| UserGroupInformation.setLoginUser( |
| UserGroupInformation.createUserForTesting( |
| "not-superuser", new String[]{"not-supergroup"})); |
| |
| UserGroupInformation.createUserForTesting("me", new String[]{"my-group"}) |
| .doAs(new PrivilegedExceptionAction<Void>() { |
| @Override |
| public Void run() throws IOException, URISyntaxException { |
| FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| Path d = new Path("/my-dir"); |
| Assert.assertTrue(fs.mkdirs(d)); |
| // Iterator should have no items when dir is empty |
| RemoteIterator<FileStatus> it = fs.listStatusIterator(d); |
| assertFalse(it.hasNext()); |
| Path p = new Path(d, "file-"+0); |
| Assert.assertTrue(fs.createNewFile(p)); |
| // Iterator should have an item when dir is not empty |
| it = fs.listStatusIterator(d); |
| assertTrue(it.hasNext()); |
| it.next(); |
| assertFalse(it.hasNext()); |
| for (int i=1; i < listLimit*3; i++) { |
| p = new Path(d, "file-"+i); |
| Assert.assertTrue(fs.createNewFile(p)); |
| } |
| // Check the FileStatus[] listing |
| FileStatus[] statuses = fs.listStatus(d); |
| Assert.assertEquals(listLimit*3, statuses.length); |
| // Check the iterator-based listing |
| GenericTestUtils.setLogLevel(WebHdfsFileSystem.LOG, Level.TRACE); |
| GenericTestUtils.setLogLevel(NamenodeWebHdfsMethods.LOG, Level |
| .TRACE); |
| it = fs.listStatusIterator(d); |
| int count = 0; |
| while (it.hasNext()) { |
| FileStatus stat = it.next(); |
| assertEquals("FileStatuses not equal", statuses[count], stat); |
| count++; |
| } |
| assertEquals("Different # of statuses!", statuses.length, count); |
| // Do some more basic iterator tests |
| it = fs.listStatusIterator(d); |
| // Try advancing the iterator without calling hasNext() |
| for (int i = 0; i < statuses.length; i++) { |
| FileStatus stat = it.next(); |
| assertEquals("FileStatuses not equal", statuses[i], stat); |
| } |
| assertFalse("No more items expected", it.hasNext()); |
| // Try doing next when out of items |
| try { |
| it.next(); |
| fail("Iterator should error if out of elements."); |
| } catch (IllegalStateException e) { |
| // pass |
| } |
| return null; |
| } |
| }); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test(timeout=300000) |
| public void testCustomizedUserAndGroupNames() throws Exception { |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_ACLS_ENABLED_KEY, true); |
| // Modify username pattern to allow numeric usernames |
| conf.set(HdfsClientConfigKeys.DFS_WEBHDFS_USER_PATTERN_KEY, "^[A-Za-z0-9_][A-Za-z0-9" + |
| "._-]*[$]?$"); |
| // Modify acl pattern to allow numeric and "@" characters user/groups in ACL spec |
| conf.set(HdfsClientConfigKeys.DFS_WEBHDFS_ACL_PERMISSION_PATTERN_KEY, |
| "^(default:)?(user|group|mask|other):" + |
| "[[0-9A-Za-z_][@A-Za-z0-9._-]]*:([rwx-]{3})?(,(default:)?" + |
| "(user|group|mask|other):[[0-9A-Za-z_][@A-Za-z0-9._-]]*:([rwx-]{3})?)*$"); |
| final MiniDFSCluster cluster = |
| new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); |
| try { |
| cluster.waitActive(); |
| WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME) |
| .setPermission(new Path("/"), |
| new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL)); |
| |
| // Test a numeric username |
| UserGroupInformation.createUserForTesting("123", new String[]{"my-group"}) |
| .doAs(new PrivilegedExceptionAction<Void>() { |
| @Override |
| public Void run() throws IOException, URISyntaxException { |
| FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| Path d = new Path("/my-dir"); |
| Assert.assertTrue(fs.mkdirs(d)); |
| // Test also specifying a default ACL with a numeric username |
| // and another of a groupname with '@' |
| fs.modifyAclEntries(d, ImmutableList.of( |
| new AclEntry.Builder() |
| .setPermission(FsAction.READ) |
| .setScope(AclEntryScope.DEFAULT) |
| .setType(AclEntryType.USER) |
| .setName("11010") |
| .build(), |
| new AclEntry.Builder() |
| .setPermission(FsAction.READ_WRITE) |
| .setType(AclEntryType.GROUP) |
| .setName("foo@bar") |
| .build() |
| )); |
| return null; |
| } |
| }); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Test for catching "no datanode" IOException, when to create a file |
| * but datanode is not running for some reason. |
| */ |
| @Test(timeout=300000) |
| public void testCreateWithNoDN() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1); |
| cluster.waitActive(); |
| FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| fs.create(new Path("/testnodatanode")); |
| Assert.fail("No exception was thrown"); |
| } catch (IOException ex) { |
| GenericTestUtils.assertExceptionContains("Failed to find datanode", ex); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Test allow and disallow snapshot through WebHdfs. Verifying webhdfs with |
| * Distributed filesystem methods. |
| */ |
| @Test |
| public void testWebHdfsAllowandDisallowSnapshots() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| cluster.waitActive(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final WebHdfsFileSystem webHdfs = WebHdfsTestUtil |
| .getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final Path bar = new Path("/bar"); |
| dfs.mkdirs(bar); |
| |
| // allow snapshots on /bar using webhdfs |
| webHdfs.allowSnapshot(bar); |
| webHdfs.createSnapshot(bar, "s1"); |
| final Path s1path = SnapshotTestHelper.getSnapshotRoot(bar, "s1"); |
| Assert.assertTrue(webHdfs.exists(s1path)); |
| SnapshottableDirectoryStatus[] snapshottableDirs = |
| dfs.getSnapshottableDirListing(); |
| assertEquals(1, snapshottableDirs.length); |
| assertEquals(bar, snapshottableDirs[0].getFullPath()); |
| dfs.deleteSnapshot(bar, "s1"); |
| dfs.disallowSnapshot(bar); |
| snapshottableDirs = dfs.getSnapshottableDirListing(); |
| assertNull(snapshottableDirs); |
| |
| // disallow snapshots on /bar using webhdfs |
| dfs.allowSnapshot(bar); |
| snapshottableDirs = dfs.getSnapshottableDirListing(); |
| assertEquals(1, snapshottableDirs.length); |
| assertEquals(bar, snapshottableDirs[0].getFullPath()); |
| webHdfs.disallowSnapshot(bar); |
| snapshottableDirs = dfs.getSnapshottableDirListing(); |
| assertNull(snapshottableDirs); |
| try { |
| webHdfs.createSnapshot(bar); |
| fail("Cannot create snapshot on a non-snapshottable directory"); |
| } catch (Exception e) { |
| GenericTestUtils.assertExceptionContains( |
| "Directory is not a snapshottable directory", e); |
| } |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test (timeout = 60000) |
| public void testWebHdfsErasureCodingFiles() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); |
| cluster.waitActive(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| dfs.enableErasureCodingPolicy(SystemErasureCodingPolicies.getByID( |
| SystemErasureCodingPolicies.XOR_2_1_POLICY_ID).getName()); |
| final WebHdfsFileSystem webHdfs = WebHdfsTestUtil |
| .getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final Path ecDir = new Path("/ec"); |
| dfs.mkdirs(ecDir); |
| dfs.setErasureCodingPolicy(ecDir, |
| SystemErasureCodingPolicies.getByID( |
| SystemErasureCodingPolicies.XOR_2_1_POLICY_ID).getName()); |
| final Path ecFile = new Path(ecDir, "ec-file.log"); |
| DFSTestUtil.createFile(dfs, ecFile, 1024 * 10, (short) 1, 0xFEED); |
| |
| final Path normalDir = new Path("/dir"); |
| dfs.mkdirs(normalDir); |
| final Path normalFile = new Path(normalDir, "file.log"); |
| DFSTestUtil.createFile(dfs, normalFile, 1024 * 10, (short) 1, 0xFEED); |
| |
| FileStatus expectedECDirStatus = dfs.getFileStatus(ecDir); |
| FileStatus actualECDirStatus = webHdfs.getFileStatus(ecDir); |
| Assert.assertEquals(expectedECDirStatus.isErasureCoded(), |
| actualECDirStatus.isErasureCoded()); |
| ContractTestUtils.assertErasureCoded(dfs, ecDir); |
| assertTrue(ecDir+ " should have erasure coding set in " + |
| "FileStatus#toString(): " + actualECDirStatus, |
| actualECDirStatus.toString().contains("isErasureCoded=true")); |
| |
| FileStatus expectedECFileStatus = dfs.getFileStatus(ecFile); |
| FileStatus actualECFileStatus = webHdfs.getFileStatus(ecFile); |
| Assert.assertEquals(expectedECFileStatus.isErasureCoded(), |
| actualECFileStatus.isErasureCoded()); |
| ContractTestUtils.assertErasureCoded(dfs, ecFile); |
| assertTrue(ecFile+ " should have erasure coding set in " + |
| "FileStatus#toString(): " + actualECFileStatus, |
| actualECFileStatus.toString().contains("isErasureCoded=true")); |
| |
| FileStatus expectedNormalDirStatus = dfs.getFileStatus(normalDir); |
| FileStatus actualNormalDirStatus = webHdfs.getFileStatus(normalDir); |
| Assert.assertEquals(expectedNormalDirStatus.isErasureCoded(), |
| actualNormalDirStatus.isErasureCoded()); |
| ContractTestUtils.assertNotErasureCoded(dfs, normalDir); |
| assertTrue(normalDir + " should have erasure coding unset in " + |
| "FileStatus#toString(): " + actualNormalDirStatus, |
| actualNormalDirStatus.toString().contains("isErasureCoded=false")); |
| |
| FileStatus expectedNormalFileStatus = dfs.getFileStatus(normalFile); |
| FileStatus actualNormalFileStatus = webHdfs.getFileStatus(normalDir); |
| Assert.assertEquals(expectedNormalFileStatus.isErasureCoded(), |
| actualNormalFileStatus.isErasureCoded()); |
| ContractTestUtils.assertNotErasureCoded(dfs, normalFile); |
| assertTrue(normalFile + " should have erasure coding unset in " + |
| "FileStatus#toString(): " + actualNormalFileStatus, |
| actualNormalFileStatus.toString().contains("isErasureCoded=false")); |
| |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Test snapshot creation through WebHdfs. |
| */ |
| @Test |
| public void testWebHdfsCreateSnapshot() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| cluster.waitActive(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final Path foo = new Path("/foo"); |
| dfs.mkdirs(foo); |
| |
| try { |
| webHdfs.createSnapshot(foo); |
| fail("Cannot create snapshot on a non-snapshottable directory"); |
| } catch (Exception e) { |
| GenericTestUtils.assertExceptionContains( |
| "Directory is not a snapshottable directory", e); |
| } |
| |
| // allow snapshots on /foo |
| dfs.allowSnapshot(foo); |
| // create snapshots on foo using WebHdfs |
| webHdfs.createSnapshot(foo, "s1"); |
| // create snapshot without specifying name |
| final Path spath = webHdfs.createSnapshot(foo, null); |
| |
| Assert.assertTrue(webHdfs.exists(spath)); |
| final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1"); |
| Assert.assertTrue(webHdfs.exists(s1path)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Test snapshot deletion through WebHdfs |
| */ |
| @Test |
| public void testWebHdfsDeleteSnapshot() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| cluster.waitActive(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final Path foo = new Path("/foo"); |
| dfs.mkdirs(foo); |
| dfs.allowSnapshot(foo); |
| |
| webHdfs.createSnapshot(foo, "s1"); |
| final Path spath = webHdfs.createSnapshot(foo, null); |
| Assert.assertTrue(webHdfs.exists(spath)); |
| final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1"); |
| Assert.assertTrue(webHdfs.exists(s1path)); |
| |
| // delete operation snapshot name as null |
| try { |
| webHdfs.deleteSnapshot(foo, null); |
| fail("Expected IllegalArgumentException"); |
| } catch (RemoteException e) { |
| Assert.assertEquals("Required param snapshotname for " |
| + "op: DELETESNAPSHOT is null or empty", e.getLocalizedMessage()); |
| } |
| |
| // delete the two snapshots |
| webHdfs.deleteSnapshot(foo, "s1"); |
| assertFalse(webHdfs.exists(s1path)); |
| webHdfs.deleteSnapshot(foo, spath.getName()); |
| assertFalse(webHdfs.exists(spath)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Test snapshot diff through WebHdfs |
| */ |
| @Test |
| public void testWebHdfsSnapshotDiff() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); |
| cluster.waitActive(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final WebHdfsFileSystem webHdfs = WebHdfsTestUtil |
| .getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final Path foo = new Path("/foo"); |
| dfs.mkdirs(foo); |
| Path file0 = new Path(foo, "file0"); |
| DFSTestUtil.createFile(dfs, file0, 100, (short) 1, 0); |
| Path file1 = new Path(foo, "file1"); |
| DFSTestUtil.createFile(dfs, file1, 100, (short) 1, 0); |
| Path file2 = new Path(foo, "file2"); |
| DFSTestUtil.createFile(dfs, file2, 100, (short) 1, 0); |
| |
| dfs.allowSnapshot(foo); |
| webHdfs.createSnapshot(foo, "s1"); |
| final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1"); |
| Assert.assertTrue(webHdfs.exists(s1path)); |
| |
| Path file3 = new Path(foo, "file3"); |
| DFSTestUtil.createFile(dfs, file3, 100, (short) 1, 0); |
| DFSTestUtil.appendFile(dfs, file0, 100); |
| dfs.delete(file1, false); |
| Path file4 = new Path(foo, "file4"); |
| dfs.rename(file2, file4); |
| |
| webHdfs.createSnapshot(foo, "s2"); |
| SnapshotDiffReport diffReport = |
| webHdfs.getSnapshotDiffReport(foo, "s1", "s2"); |
| |
| Assert.assertEquals("/foo", diffReport.getSnapshotRoot()); |
| Assert.assertEquals("s1", diffReport.getFromSnapshot()); |
| Assert.assertEquals("s2", diffReport.getLaterSnapshotName()); |
| DiffReportEntry entry0 = |
| new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("")); |
| DiffReportEntry entry1 = |
| new DiffReportEntry(DiffType.MODIFY, DFSUtil.string2Bytes("file0")); |
| DiffReportEntry entry2 = |
| new DiffReportEntry(DiffType.DELETE, DFSUtil.string2Bytes("file1")); |
| DiffReportEntry entry3 = |
| new DiffReportEntry(DiffType.RENAME, DFSUtil.string2Bytes("file2"), |
| DFSUtil.string2Bytes("file4")); |
| DiffReportEntry entry4 = |
| new DiffReportEntry(DiffType.CREATE, DFSUtil.string2Bytes("file3")); |
| Assert.assertTrue(diffReport.getDiffList().contains(entry0)); |
| Assert.assertTrue(diffReport.getDiffList().contains(entry1)); |
| Assert.assertTrue(diffReport.getDiffList().contains(entry2)); |
| Assert.assertTrue(diffReport.getDiffList().contains(entry3)); |
| Assert.assertTrue(diffReport.getDiffList().contains(entry4)); |
| Assert.assertEquals(diffReport.getDiffList().size(), 5); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testWebHdfsCreateNonRecursive() throws IOException, URISyntaxException { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| WebHdfsFileSystem webHdfs = null; |
| |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).build(); |
| cluster.waitActive(); |
| |
| webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| TestFileCreation.testFileCreationNonRecursive(webHdfs); |
| |
| } finally { |
| if(webHdfs != null) { |
| webHdfs.close(); |
| } |
| |
| if(cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| /** |
| * Test snapshot rename through WebHdfs |
| */ |
| @Test |
| public void testWebHdfsRenameSnapshot() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| cluster.waitActive(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final Path foo = new Path("/foo"); |
| dfs.mkdirs(foo); |
| dfs.allowSnapshot(foo); |
| |
| webHdfs.createSnapshot(foo, "s1"); |
| final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1"); |
| Assert.assertTrue(webHdfs.exists(s1path)); |
| |
| // rename s1 to s2 with oldsnapshotName as null |
| try { |
| webHdfs.renameSnapshot(foo, null, "s2"); |
| fail("Expected IllegalArgumentException"); |
| } catch (RemoteException e) { |
| Assert.assertEquals("Required param oldsnapshotname for " |
| + "op: RENAMESNAPSHOT is null or empty", e.getLocalizedMessage()); |
| } |
| |
| // rename s1 to s2 |
| webHdfs.renameSnapshot(foo, "s1", "s2"); |
| assertFalse(webHdfs.exists(s1path)); |
| final Path s2path = SnapshotTestHelper.getSnapshotRoot(foo, "s2"); |
| Assert.assertTrue(webHdfs.exists(s2path)); |
| |
| webHdfs.deleteSnapshot(foo, "s2"); |
| assertFalse(webHdfs.exists(s2path)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Make sure a RetriableException is thrown when rpcServer is null in |
| * NamenodeWebHdfsMethods. |
| */ |
| @Test |
| public void testRaceWhileNNStartup() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| cluster.waitActive(); |
| final NameNode namenode = cluster.getNameNode(); |
| final NamenodeProtocols rpcServer = namenode.getRpcServer(); |
| Whitebox.setInternalState(namenode, "rpcServer", null); |
| |
| final Path foo = new Path("/foo"); |
| final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| try { |
| webHdfs.mkdirs(foo); |
| fail("Expected RetriableException"); |
| } catch (RetriableException e) { |
| GenericTestUtils.assertExceptionContains("Namenode is in startup mode", |
| e); |
| } |
| Whitebox.setInternalState(namenode, "rpcServer", rpcServer); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testDTInInsecureClusterWithFallback() |
| throws IOException, URISyntaxException { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| conf.setBoolean(CommonConfigurationKeys |
| .IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_KEY, true); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| Assert.assertNull(webHdfs.getDelegationToken(null)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testDTInInsecureCluster() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| webHdfs.getDelegationToken(null); |
| fail("No exception is thrown."); |
| } catch (AccessControlException ace) { |
| Assert.assertTrue(ace.getMessage().startsWith( |
| WebHdfsFileSystem.CANT_FALLBACK_TO_INSECURE_MSG)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testWebHdfsOffsetAndLength() throws Exception{ |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final int OFFSET = 42; |
| final int LENGTH = 512; |
| final String PATH = "/foo"; |
| byte[] CONTENTS = new byte[1024]; |
| RANDOM.nextBytes(CONTENTS); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); |
| final WebHdfsFileSystem fs = |
| WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| try (OutputStream os = fs.create(new Path(PATH))) { |
| os.write(CONTENTS); |
| } |
| InetSocketAddress addr = cluster.getNameNode().getHttpAddress(); |
| URL url = new URL("http", addr.getHostString(), addr |
| .getPort(), WebHdfsFileSystem.PATH_PREFIX + PATH + "?op=OPEN" + |
| Param.toSortedString("&", new OffsetParam((long) OFFSET), |
| new LengthParam((long) LENGTH)) |
| ); |
| HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| conn.setInstanceFollowRedirects(true); |
| Assert.assertEquals(LENGTH, conn.getContentLength()); |
| byte[] subContents = new byte[LENGTH]; |
| byte[] realContents = new byte[LENGTH]; |
| System.arraycopy(CONTENTS, OFFSET, subContents, 0, LENGTH); |
| IOUtils.readFully(conn.getInputStream(), realContents); |
| Assert.assertArrayEquals(subContents, realContents); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testContentSummary() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final Path path = new Path("/QuotaDir"); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final WebHdfsFileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| dfs.mkdirs(path); |
| dfs.setQuotaByStorageType(path, StorageType.DISK, 100000); |
| ContentSummary contentSummary = webHdfs.getContentSummary(path); |
| Assert.assertTrue((contentSummary.getTypeQuota( |
| StorageType.DISK) == 100000)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testWebHdfsPread() throws Exception { |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1) |
| .build(); |
| byte[] content = new byte[1024]; |
| RANDOM.nextBytes(content); |
| final Path foo = new Path("/foo"); |
| FSDataInputStream in = null; |
| try { |
| final WebHdfsFileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| try (OutputStream os = fs.create(foo)) { |
| os.write(content); |
| } |
| |
| // pread |
| in = fs.open(foo, 1024); |
| byte[] buf = new byte[1024]; |
| try { |
| in.readFully(1020, buf, 0, 5); |
| Assert.fail("EOF expected"); |
| } catch (EOFException ignored) {} |
| |
| // mix pread with stateful read |
| int length = in.read(buf, 0, 512); |
| in.readFully(100, new byte[1024], 0, 100); |
| int preadLen = in.read(200, new byte[1024], 0, 200); |
| Assert.assertTrue(preadLen > 0); |
| IOUtils.readFully(in, buf, length, 1024 - length); |
| Assert.assertArrayEquals(content, buf); |
| } finally { |
| if (in != null) { |
| in.close(); |
| } |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test(timeout = 30000) |
| public void testGetHomeDirectory() throws Exception { |
| |
| MiniDFSCluster cluster = null; |
| try { |
| Configuration conf = new Configuration(); |
| cluster = new MiniDFSCluster.Builder(conf).build(); |
| cluster.waitActive(); |
| DistributedFileSystem hdfs = cluster.getFileSystem(); |
| |
| final URI uri = new URI(WebHdfsConstants.WEBHDFS_SCHEME + "://" |
| + cluster.getHttpUri(0).replace("http://", "")); |
| final Configuration confTemp = new Configuration(); |
| |
| { |
| WebHdfsFileSystem webhdfs = (WebHdfsFileSystem) FileSystem.get(uri, |
| confTemp); |
| |
| assertEquals(hdfs.getHomeDirectory().toUri().getPath(), webhdfs |
| .getHomeDirectory().toUri().getPath()); |
| |
| webhdfs.close(); |
| } |
| |
| { |
| WebHdfsFileSystem webhdfs = createWebHDFSAsTestUser(confTemp, uri, |
| "XXX"); |
| |
| assertNotEquals(hdfs.getHomeDirectory().toUri().getPath(), webhdfs |
| .getHomeDirectory().toUri().getPath()); |
| |
| webhdfs.close(); |
| } |
| |
| } finally { |
| if (cluster != null) |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testWebHdfsGetBlockLocationsWithStorageType() throws Exception{ |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final int OFFSET = 42; |
| final int LENGTH = 512; |
| final Path PATH = new Path("/foo"); |
| byte[] CONTENTS = new byte[1024]; |
| RANDOM.nextBytes(CONTENTS); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build(); |
| final WebHdfsFileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, |
| WebHdfsConstants.WEBHDFS_SCHEME); |
| try (OutputStream os = fs.create(PATH)) { |
| os.write(CONTENTS); |
| } |
| BlockLocation[] locations = fs.getFileBlockLocations(PATH, OFFSET, |
| LENGTH); |
| for (BlockLocation location: locations) { |
| StorageType[] storageTypes = location.getStorageTypes(); |
| Assert.assertTrue(storageTypes != null && storageTypes.length > 0 && |
| storageTypes[0] == StorageType.DISK); |
| } |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| private WebHdfsFileSystem createWebHDFSAsTestUser(final Configuration conf, |
| final URI uri, final String userName) throws Exception { |
| |
| final UserGroupInformation ugi = UserGroupInformation.createUserForTesting( |
| userName, new String[] { "supergroup" }); |
| |
| return ugi.doAs(new PrivilegedExceptionAction<WebHdfsFileSystem>() { |
| @Override |
| public WebHdfsFileSystem run() throws IOException { |
| WebHdfsFileSystem webhdfs = (WebHdfsFileSystem) FileSystem.get(uri, |
| conf); |
| return webhdfs; |
| } |
| }); |
| } |
| |
| @Test(timeout=90000) |
| public void testWebHdfsReadRetries() throws Exception { |
| // ((Log4JLogger)DFSClient.LOG).getLogger().setLevel(Level.ALL); |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final Path dir = new Path("/testWebHdfsReadRetries"); |
| |
| conf.setBoolean(HdfsClientConfigKeys.Retry.POLICY_ENABLED_KEY, true); |
| conf.setInt(DFSConfigKeys.DFS_NAMENODE_SAFEMODE_MIN_DATANODES_KEY, 1); |
| conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 1024*512); |
| conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1); |
| |
| final short numDatanodes = 1; |
| final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf) |
| .numDataNodes(numDatanodes) |
| .build(); |
| try { |
| cluster.waitActive(); |
| final FileSystem fs = WebHdfsTestUtil |
| .getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| //create a file |
| final long length = 1L << 20; |
| final Path file1 = new Path(dir, "testFile"); |
| |
| DFSTestUtil.createFile(fs, file1, length, numDatanodes, 20120406L); |
| |
| //get file status and check that it was written properly. |
| final FileStatus s1 = fs.getFileStatus(file1); |
| assertEquals("Write failed for file " + file1, length, s1.getLen()); |
| |
| // Ensure file can be read through WebHdfsInputStream |
| FSDataInputStream in = fs.open(file1); |
| assertTrue("Input stream is not an instance of class WebHdfsInputStream", |
| in.getWrappedStream() instanceof WebHdfsInputStream); |
| int count = 0; |
| for(; in.read() != -1; count++); |
| assertEquals("Read failed for file " + file1, s1.getLen(), count); |
| assertEquals("Sghould not be able to read beyond end of file", |
| in.read(), -1); |
| in.close(); |
| try { |
| in.read(); |
| fail("Read after close should have failed"); |
| } catch(IOException ioe) { } |
| |
| WebHdfsFileSystem wfs = (WebHdfsFileSystem)fs; |
| // Read should not be retried if AccessControlException is encountered. |
| String msg = "ReadRetries: Test Access Control Exception"; |
| testReadRetryExceptionHelper(wfs, file1, |
| new AccessControlException(msg), msg, false, 1); |
| |
| // Retry policy should be invoked if IOExceptions are thrown. |
| msg = "ReadRetries: Test SocketTimeoutException"; |
| testReadRetryExceptionHelper(wfs, file1, |
| new SocketTimeoutException(msg), msg, true, 5); |
| msg = "ReadRetries: Test SocketException"; |
| testReadRetryExceptionHelper(wfs, file1, |
| new SocketException(msg), msg, true, 5); |
| msg = "ReadRetries: Test EOFException"; |
| testReadRetryExceptionHelper(wfs, file1, |
| new EOFException(msg), msg, true, 5); |
| msg = "ReadRetries: Test Generic IO Exception"; |
| testReadRetryExceptionHelper(wfs, file1, |
| new IOException(msg), msg, true, 5); |
| |
| // If InvalidToken exception occurs, WebHdfs only retries if the |
| // delegation token was replaced. Do that twice, then verify by checking |
| // the number of times it tried. |
| WebHdfsFileSystem spyfs = spy(wfs); |
| when(spyfs.replaceExpiredDelegationToken()).thenReturn(true, true, false); |
| msg = "ReadRetries: Test Invalid Token Exception"; |
| testReadRetryExceptionHelper(spyfs, file1, |
| new InvalidToken(msg), msg, false, 3); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| public boolean attemptedRetry; |
| private void testReadRetryExceptionHelper(WebHdfsFileSystem fs, Path fn, |
| final IOException ex, String msg, boolean shouldAttemptRetry, |
| int numTimesTried) |
| throws Exception { |
| // Ovverride WebHdfsInputStream#getInputStream so that it returns |
| // an input stream that throws the specified exception when read |
| // is called. |
| FSDataInputStream in = fs.open(fn); |
| in.read(); // Connection is made only when the first read() occurs. |
| final WebHdfsInputStream webIn = |
| (WebHdfsInputStream)(in.getWrappedStream()); |
| |
| final InputStream spyInputStream = |
| spy(webIn.getReadRunner().getInputStream()); |
| doThrow(ex).when(spyInputStream).read((byte[])any(), anyInt(), anyInt()); |
| final WebHdfsFileSystem.ReadRunner rr = spy(webIn.getReadRunner()); |
| doReturn(spyInputStream) |
| .when(rr).initializeInputStream((HttpURLConnection) any()); |
| rr.setInputStream(spyInputStream); |
| webIn.setReadRunner(rr); |
| |
| // Override filesystem's retry policy in order to verify that |
| // WebHdfsInputStream is calling shouldRetry for the appropriate |
| // exceptions. |
| final RetryAction retryAction = new RetryAction(RetryDecision.RETRY); |
| final RetryAction failAction = new RetryAction(RetryDecision.FAIL); |
| RetryPolicy rp = new RetryPolicy() { |
| @Override |
| public RetryAction shouldRetry(Exception e, int retries, int failovers, |
| boolean isIdempotentOrAtMostOnce) throws Exception { |
| attemptedRetry = true; |
| if (retries > 3) { |
| return failAction; |
| } else { |
| return retryAction; |
| } |
| } |
| }; |
| fs.setRetryPolicy(rp); |
| |
| // If the retry logic is exercised, attemptedRetry will be true. Some |
| // exceptions should exercise the retry logic and others should not. |
| // Either way, the value of attemptedRetry should match shouldAttemptRetry. |
| attemptedRetry = false; |
| try { |
| webIn.read(); |
| fail(msg + ": Read should have thrown exception."); |
| } catch (Exception e) { |
| assertTrue(e.getMessage().contains(msg)); |
| } |
| assertEquals(msg + ": Read should " + (shouldAttemptRetry ? "" : "not ") |
| + "have called shouldRetry. ", |
| attemptedRetry, shouldAttemptRetry); |
| |
| verify(rr, times(numTimesTried)).getResponse((HttpURLConnection) any()); |
| webIn.close(); |
| in.close(); |
| } |
| |
| private void checkResponseContainsLocation(URL url, String TYPE) |
| throws JSONException, IOException { |
| HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| conn.setRequestMethod(TYPE); |
| conn.setInstanceFollowRedirects(false); |
| String response = IOUtils.toString(conn.getInputStream()); |
| LOG.info("Response was : " + response); |
| Assert.assertEquals( |
| "Response wasn't " + HttpURLConnection.HTTP_OK, |
| HttpURLConnection.HTTP_OK, conn.getResponseCode()); |
| |
| JSONObject responseJson = new JSONObject(response); |
| Assert.assertTrue("Response didn't give us a location. " + response, |
| responseJson.has("Location")); |
| |
| //Test that the DN allows CORS on Create |
| if(TYPE.equals("CREATE")) { |
| URL dnLocation = new URL(responseJson.getString("Location")); |
| HttpURLConnection dnConn = (HttpURLConnection) dnLocation.openConnection(); |
| dnConn.setRequestMethod("OPTIONS"); |
| Assert.assertEquals("Datanode url : " + dnLocation + " didn't allow " |
| + "CORS", HttpURLConnection.HTTP_OK, dnConn.getResponseCode()); |
| } |
| } |
| |
| @Test |
| /** |
| * Test that when "&noredirect=true" is added to operations CREATE, APPEND, |
| * OPEN, and GETFILECHECKSUM the response (which is usually a 307 temporary |
| * redirect) is a 200 with JSON that contains the redirected location |
| */ |
| public void testWebHdfsNoRedirect() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); |
| LOG.info("Started cluster"); |
| InetSocketAddress addr = cluster.getNameNode().getHttpAddress(); |
| |
| URL url = new URL("http", addr.getHostString(), addr.getPort(), |
| WebHdfsFileSystem.PATH_PREFIX + "/testWebHdfsNoRedirectCreate" + |
| "?op=CREATE" + Param.toSortedString("&", new NoRedirectParam(true))); |
| LOG.info("Sending create request " + url); |
| checkResponseContainsLocation(url, "PUT"); |
| |
| //Write a file that we can read |
| final WebHdfsFileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| final String PATH = "/testWebHdfsNoRedirect"; |
| byte[] CONTENTS = new byte[1024]; |
| RANDOM.nextBytes(CONTENTS); |
| try (OutputStream os = fs.create(new Path(PATH))) { |
| os.write(CONTENTS); |
| } |
| url = new URL("http", addr.getHostString(), addr.getPort(), |
| WebHdfsFileSystem.PATH_PREFIX + "/testWebHdfsNoRedirect" + |
| "?op=OPEN" + Param.toSortedString("&", new NoRedirectParam(true))); |
| LOG.info("Sending open request " + url); |
| checkResponseContainsLocation(url, "GET"); |
| |
| url = new URL("http", addr.getHostString(), addr.getPort(), |
| WebHdfsFileSystem.PATH_PREFIX + "/testWebHdfsNoRedirect" + |
| "?op=GETFILECHECKSUM" + Param.toSortedString( |
| "&", new NoRedirectParam(true))); |
| LOG.info("Sending getfilechecksum request " + url); |
| checkResponseContainsLocation(url, "GET"); |
| |
| url = new URL("http", addr.getHostString(), addr.getPort(), |
| WebHdfsFileSystem.PATH_PREFIX + "/testWebHdfsNoRedirect" + |
| "?op=APPEND" + Param.toSortedString("&", new NoRedirectParam(true))); |
| LOG.info("Sending append request " + url); |
| checkResponseContainsLocation(url, "POST"); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testGetTrashRoot() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final String currentUser = |
| UserGroupInformation.getCurrentUser().getShortUserName(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final WebHdfsFileSystem webFS = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| Path trashPath = webFS.getTrashRoot(new Path("/")); |
| Path expectedPath = new Path(FileSystem.USER_HOME_PREFIX, |
| new Path(currentUser, FileSystem.TRASH_PREFIX)); |
| assertEquals(expectedPath.toUri().getPath(), trashPath.toUri().getPath()); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| |
| @Test |
| public void testStoragePolicy() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final Path path = new Path("/file"); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final WebHdfsFileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| // test getAllStoragePolicies |
| BlockStoragePolicy[] dfsPolicies = (BlockStoragePolicy[]) dfs |
| .getAllStoragePolicies().toArray(); |
| BlockStoragePolicy[] webHdfsPolicies = (BlockStoragePolicy[]) webHdfs |
| .getAllStoragePolicies().toArray(); |
| Assert.assertTrue(Arrays.equals(dfsPolicies, webHdfsPolicies)); |
| |
| // test get/set/unset policies |
| DFSTestUtil.createFile(dfs, path, 0, (short) 1, 0L); |
| // get defaultPolicy |
| BlockStoragePolicySpi defaultdfsPolicy = dfs.getStoragePolicy(path); |
| // set policy through webhdfs |
| webHdfs.setStoragePolicy(path, HdfsConstants.COLD_STORAGE_POLICY_NAME); |
| // get policy from dfs |
| BlockStoragePolicySpi dfsPolicy = dfs.getStoragePolicy(path); |
| // get policy from webhdfs |
| BlockStoragePolicySpi webHdfsPolicy = webHdfs.getStoragePolicy(path); |
| Assert.assertEquals(HdfsConstants.COLD_STORAGE_POLICY_NAME.toString(), |
| webHdfsPolicy.getName()); |
| Assert.assertEquals(webHdfsPolicy, dfsPolicy); |
| // unset policy |
| webHdfs.unsetStoragePolicy(path); |
| Assert.assertEquals(defaultdfsPolicy, webHdfs.getStoragePolicy(path)); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| @Test |
| public void testSetStoragePolicyWhenPolicyDisabled() throws Exception { |
| Configuration conf = new HdfsConfiguration(); |
| conf.setBoolean(DFSConfigKeys.DFS_STORAGE_POLICY_ENABLED_KEY, false); |
| MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0) |
| .build(); |
| try { |
| cluster.waitActive(); |
| final WebHdfsFileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| webHdfs.setStoragePolicy(new Path("/"), |
| HdfsConstants.COLD_STORAGE_POLICY_NAME); |
| fail("Should throw exception, when storage policy disabled"); |
| } catch (IOException e) { |
| Assert.assertTrue(e.getMessage().contains( |
| "Failed to set storage policy since")); |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testWebHdfsAppend() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final int dnNumber = 3; |
| try { |
| |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(dnNumber).build(); |
| |
| final WebHdfsFileSystem webFS = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| final DistributedFileSystem fs = cluster.getFileSystem(); |
| |
| final Path appendFile = new Path("/testAppend.txt"); |
| final String content = "hello world"; |
| DFSTestUtil.writeFile(fs, appendFile, content); |
| |
| for (int index = 0; index < dnNumber - 1; index++){ |
| cluster.shutdownDataNode(index); |
| } |
| cluster.restartNameNodes(); |
| cluster.waitActive(); |
| |
| try { |
| DFSTestUtil.appendFile(webFS, appendFile, content); |
| fail("Should fail to append file since " |
| + "datanode number is 1 and replication is 3"); |
| } catch (IOException ignored) { |
| String resultContent = DFSTestUtil.readFile(fs, appendFile); |
| assertTrue(resultContent.equals(content)); |
| } |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(true); |
| } |
| } |
| } |
| |
| /** |
| * Test fsserver defaults response from {@link DistributedFileSystem} and |
| * {@link WebHdfsFileSystem} are the same. |
| * @throws Exception |
| */ |
| @Test |
| public void testFsserverDefaults() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| // Here we override all the default values so that we can verify that it |
| // doesn't pick up the default value. |
| long blockSize = 256*1024*1024; |
| int bytesPerChecksum = 256; |
| int writePacketSize = 128*1024; |
| int replicationFactor = 0; |
| int bufferSize = 1024; |
| boolean encryptDataTransfer = true; |
| long trashInterval = 1; |
| String checksumType = "CRC32"; |
| // Setting policy to a special value 7 because BlockManager will |
| // create defaultSuite with policy id 7. |
| byte policyId = (byte) 7; |
| |
| conf.setLong(DFS_BLOCK_SIZE_KEY, blockSize); |
| conf.setInt(DFS_BYTES_PER_CHECKSUM_KEY, bytesPerChecksum); |
| conf.setInt(DFS_CLIENT_WRITE_PACKET_SIZE_KEY, writePacketSize); |
| conf.setInt(DFS_REPLICATION_KEY, replicationFactor); |
| conf.setInt(IO_FILE_BUFFER_SIZE_KEY, bufferSize); |
| conf.setBoolean(DFS_ENCRYPT_DATA_TRANSFER_KEY, encryptDataTransfer); |
| conf.setLong(FS_TRASH_INTERVAL_KEY, trashInterval); |
| conf.set(DFS_CHECKSUM_TYPE_KEY, checksumType); |
| FsServerDefaults originalServerDefaults = new FsServerDefaults(blockSize, |
| bytesPerChecksum, writePacketSize, (short)replicationFactor, |
| bufferSize, encryptDataTransfer, trashInterval, |
| DataChecksum.Type.valueOf(checksumType), "", policyId); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final DistributedFileSystem dfs = cluster.getFileSystem(); |
| final WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| FsServerDefaults dfsServerDefaults = dfs.getServerDefaults(); |
| FsServerDefaults webfsServerDefaults = webfs.getServerDefaults(); |
| // Verify whether server defaults value that we override is equal to |
| // dfsServerDefaults. |
| compareFsServerDefaults(originalServerDefaults, dfsServerDefaults); |
| // Verify whether dfs serverdefaults is equal to |
| // webhdfsServerDefaults. |
| compareFsServerDefaults(dfsServerDefaults, webfsServerDefaults); |
| webfs.getServerDefaults(); |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| private void compareFsServerDefaults(FsServerDefaults serverDefaults1, |
| FsServerDefaults serverDefaults2) throws Exception { |
| Assert.assertEquals("Block size is different", |
| serverDefaults1.getBlockSize(), |
| serverDefaults2.getBlockSize()); |
| Assert.assertEquals("Bytes per checksum are different", |
| serverDefaults1.getBytesPerChecksum(), |
| serverDefaults2.getBytesPerChecksum()); |
| Assert.assertEquals("Write packet size is different", |
| serverDefaults1.getWritePacketSize(), |
| serverDefaults2.getWritePacketSize()); |
| Assert.assertEquals("Default replication is different", |
| serverDefaults1.getReplication(), |
| serverDefaults2.getReplication()); |
| Assert.assertEquals("File buffer size are different", |
| serverDefaults1.getFileBufferSize(), |
| serverDefaults2.getFileBufferSize()); |
| Assert.assertEquals("Encrypt data transfer key is different", |
| serverDefaults1.getEncryptDataTransfer(), |
| serverDefaults2.getEncryptDataTransfer()); |
| Assert.assertEquals("Trash interval is different", |
| serverDefaults1.getTrashInterval(), |
| serverDefaults2.getTrashInterval()); |
| Assert.assertEquals("Checksum type is different", |
| serverDefaults1.getChecksumType(), |
| serverDefaults2.getChecksumType()); |
| Assert.assertEquals("Key provider uri is different", |
| serverDefaults1.getKeyProviderUri(), |
| serverDefaults2.getKeyProviderUri()); |
| Assert.assertEquals("Default storage policy is different", |
| serverDefaults1.getDefaultStoragePolicyId(), |
| serverDefaults2.getDefaultStoragePolicyId()); |
| } |
| |
| /** |
| * Tests the case when client is upgraded to return {@link FsServerDefaults} |
| * but then namenode is not upgraded. |
| * @throws Exception |
| */ |
| @Test |
| public void testFsserverDefaultsBackwardsCompatible() throws Exception { |
| MiniDFSCluster cluster = null; |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| try { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| final WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystem( |
| conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| FSNamesystem fsnSpy = |
| NameNodeAdapter.spyOnNamesystem(cluster.getNameNode()); |
| Mockito.when(fsnSpy.getServerDefaults()). |
| thenThrow(new UnsupportedOperationException()); |
| try { |
| webfs.getServerDefaults(); |
| Assert.fail("should have thrown UnSupportedOperationException."); |
| } catch (UnsupportedOperationException uoe) { |
| //Expected exception. |
| } |
| } finally { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| } |
| |
| /** |
| * Tests that {@link WebHdfsFileSystem.AbstractRunner} propagates original |
| * exception's stacktrace and cause during runWithRetry attempts. |
| * @throws Exception |
| */ |
| @Test |
| public void testExceptionPropogationInAbstractRunner() throws Exception{ |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final Path dir = new Path("/testExceptionPropogationInAbstractRunner"); |
| |
| conf.setBoolean(HdfsClientConfigKeys.Retry.POLICY_ENABLED_KEY, true); |
| |
| final short numDatanodes = 1; |
| final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf) |
| .numDataNodes(numDatanodes) |
| .build(); |
| try { |
| cluster.waitActive(); |
| final FileSystem fs = WebHdfsTestUtil |
| .getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME); |
| |
| //create a file |
| final long length = 1L << 20; |
| final Path file1 = new Path(dir, "testFile"); |
| |
| DFSTestUtil.createFile(fs, file1, length, numDatanodes, 20120406L); |
| |
| //get file status and check that it was written properly. |
| final FileStatus s1 = fs.getFileStatus(file1); |
| assertEquals("Write failed for file " + file1, length, s1.getLen()); |
| |
| FSDataInputStream in = fs.open(file1); |
| in.read(); // Connection is made only when the first read() occurs. |
| final WebHdfsInputStream webIn = |
| (WebHdfsInputStream)(in.getWrappedStream()); |
| |
| final String msg = "Throwing dummy exception"; |
| IOException ioe = new IOException(msg, new DummyThrowable()); |
| |
| WebHdfsFileSystem.ReadRunner readRunner = spy(webIn.getReadRunner()); |
| doThrow(ioe).when(readRunner).getResponse(any(HttpURLConnection.class)); |
| |
| webIn.setReadRunner(readRunner); |
| |
| try { |
| webIn.read(); |
| fail("Read should have thrown IOException."); |
| } catch (IOException e) { |
| assertTrue(e.getMessage().contains(msg)); |
| assertTrue(e.getCause() instanceof DummyThrowable); |
| } |
| } finally { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests that the LISTSTATUS ang GETFILESTATUS WebHDFS calls return the |
| * ecPolicy for EC files. |
| */ |
| @Test(timeout=300000) |
| public void testECPolicyInFileStatus() throws Exception { |
| final Configuration conf = WebHdfsTestUtil.createConf(); |
| final ErasureCodingPolicy ecPolicy = SystemErasureCodingPolicies |
| .getByID(SystemErasureCodingPolicies.RS_3_2_POLICY_ID); |
| final String ecPolicyName = ecPolicy.getName(); |
| MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf) |
| .numDataNodes(5) |
| .build(); |
| cluster.waitActive(); |
| final DistributedFileSystem fs = cluster.getFileSystem(); |
| |
| // Create an EC dir and write a test file in it |
| final Path ecDir = new Path("/ec"); |
| Path ecFile = new Path(ecDir, "ec_file.txt"); |
| Path nonEcFile = new Path(ecDir, "non_ec_file.txt"); |
| fs.mkdirs(ecDir); |
| |
| // Create a non-EC file before enabling ec policy |
| DFSTestUtil.createFile(fs, nonEcFile, 1024, (short) 1, 0); |
| |
| fs.enableErasureCodingPolicy(ecPolicyName); |
| fs.setErasureCodingPolicy(ecDir, ecPolicyName); |
| |
| // Create a EC file |
| DFSTestUtil.createFile(fs, ecFile, 1024, (short) 1, 0); |
| |
| // Query webhdfs REST API to list statuses of files/directories in ecDir |
| InetSocketAddress addr = cluster.getNameNode().getHttpAddress(); |
| URL listStatusUrl = new URL("http", addr.getHostString(), addr.getPort(), |
| WebHdfsFileSystem.PATH_PREFIX + ecDir.toString() + "?op=LISTSTATUS"); |
| |
| HttpURLConnection conn = (HttpURLConnection) listStatusUrl.openConnection(); |
| conn.setRequestMethod("GET"); |
| conn.setInstanceFollowRedirects(false); |
| String listStatusResponse = IOUtils.toString(conn.getInputStream(), |
| StandardCharsets.UTF_8); |
| Assert.assertEquals("Response wasn't " + HttpURLConnection.HTTP_OK, |
| HttpURLConnection.HTTP_OK, conn.getResponseCode()); |
| |
| // Verify that ecPolicy is set in the ListStatus response for ec file |
| String ecpolicyForECfile = getECPolicyFromFileStatusJson( |
| getFileStatusJson(listStatusResponse, ecFile.getName())); |
| assertEquals("EC policy for ecFile should match the set EC policy", |
| ecpolicyForECfile, ecPolicyName); |
| |
| // Verify that ecPolicy is not set in the ListStatus response for non-ec |
| // file |
| String ecPolicyForNonECfile = getECPolicyFromFileStatusJson( |
| getFileStatusJson(listStatusResponse, nonEcFile.getName())); |
| assertEquals("EC policy for nonEcFile should be null (not set)", |
| ecPolicyForNonECfile, null); |
| |
| // Query webhdfs REST API to get fileStatus for ecFile |
| URL getFileStatusUrl = new URL("http", addr.getHostString(), addr.getPort(), |
| WebHdfsFileSystem.PATH_PREFIX + ecFile.toString() + |
| "?op=GETFILESTATUS"); |
| |
| conn = (HttpURLConnection) getFileStatusUrl.openConnection(); |
| conn.setRequestMethod("GET"); |
| conn.setInstanceFollowRedirects(false); |
| String getFileStatusResponse = IOUtils.toString(conn.getInputStream(), |
| StandardCharsets.UTF_8); |
| Assert.assertEquals("Response wasn't " + HttpURLConnection.HTTP_OK, |
| HttpURLConnection.HTTP_OK, conn.getResponseCode()); |
| |
| // Verify that ecPolicy is set in getFileStatus response for ecFile |
| JSONObject fileStatusObject = new JSONObject(getFileStatusResponse) |
| .getJSONObject("FileStatus"); |
| ecpolicyForECfile = getECPolicyFromFileStatusJson(fileStatusObject); |
| assertEquals("EC policy for ecFile should match the set EC policy", |
| ecpolicyForECfile, ecPolicyName); |
| } |
| |
| /** |
| * Get FileStatus JSONObject from ListStatus response. |
| */ |
| private JSONObject getFileStatusJson(String response, String fileName) |
| throws JSONException { |
| JSONObject listStatusResponseJson = new JSONObject(response); |
| JSONArray fileStatusArray = listStatusResponseJson |
| .getJSONObject("FileStatuses") |
| .getJSONArray("FileStatus"); |
| for (int i = 0; i < fileStatusArray.length(); i++) { |
| JSONObject fileStatusJsonObject = fileStatusArray.getJSONObject(i); |
| if (fileName.equals(fileStatusJsonObject.get("pathSuffix"))) { |
| return fileStatusJsonObject; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Get ECPolicy name from FileStatus JSONObject. |
| */ |
| private String getECPolicyFromFileStatusJson(JSONObject fileStatusJsonObject) |
| throws JSONException { |
| if (fileStatusJsonObject.has("ecPolicy")) { |
| return fileStatusJsonObject.getString("ecPolicy"); |
| } else { |
| return null; |
| } |
| } |
| |
| final static class DummyThrowable extends Throwable { |
| } |
| } |
