protected boolean mkOneDirWithMode(Path p, File p2f, FsPermission permission) throws IOException {
if (permission == null) {
return p2f.mkdir();
} else {
if (Shell.WINDOWS && NativeIO.isAvailable()) {
try {
NativeIO.Windows.createDirectoryWithMode(p2f, permission.toShort());
return true;
} catch (IOException e) {
if (LOG.isDebugEnabled()) {
LOG.debug(
String.format(
"NativeIO.createDirectoryWithMode error, path = %s, mode = %o",
p2f, permission.toShort()),
e);
}
return false;
}
} else {
boolean b = p2f.mkdir();
if (b) {
setPermission(p, permission);
}
return b;
}
}
}
@Test
public void testRemoveAclExceedsQuota() throws Exception {
Path filePath = new Path(path, "file1");
Path fileSnapshotPath = new Path(snapshotPath, "file1");
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0755));
hdfs.allowSnapshot(path);
hdfs.setQuota(path, 3, HdfsConstants.QUOTA_DONT_SET);
FileSystem.create(hdfs, filePath, FsPermission.createImmutable((short) 0600)).close();
hdfs.setPermission(filePath, FsPermission.createImmutable((short) 0600));
List<AclEntry> aclSpec = Lists.newArrayList(aclEntry(ACCESS, USER, "bruce", READ_WRITE));
hdfs.modifyAclEntries(filePath, aclSpec);
hdfs.createSnapshot(path, snapshotName);
AclStatus s = hdfs.getAclStatus(filePath);
AclEntry[] returned = s.getEntries().toArray(new AclEntry[0]);
assertArrayEquals(
new AclEntry[] {aclEntry(ACCESS, USER, "bruce", READ_WRITE), aclEntry(ACCESS, GROUP, NONE)},
returned);
assertPermission((short) 010660, filePath);
s = hdfs.getAclStatus(fileSnapshotPath);
returned = s.getEntries().toArray(new AclEntry[0]);
assertArrayEquals(
new AclEntry[] {aclEntry(ACCESS, USER, "bruce", READ_WRITE), aclEntry(ACCESS, GROUP, NONE)},
returned);
assertPermission((short) 010660, filePath);
aclSpec = Lists.newArrayList(aclEntry(ACCESS, USER, "bruce", READ));
hdfs.removeAcl(filePath);
}
/**
* Tests backward compatibility. Configuration can be either set with old param dfs.umask that
* takes decimal umasks or dfs.umaskmode that takes symbolic or octal umask.
*/
public void testBackwardCompatibility() {
// Test 1 - old configuration key with decimal
// umask value should be handled when set using
// FSPermission.setUMask() API
FsPermission perm = new FsPermission((short) 18);
Configuration conf = new Configuration();
FsPermission.setUMask(conf, perm);
assertEquals(18, FsPermission.getUMask(conf).toShort());
// Test 2 - old configuration key set with decimal
// umask value should be handled
perm = new FsPermission((short) 18);
conf = new Configuration();
conf.set(FsPermission.DEPRECATED_UMASK_LABEL, "18");
assertEquals(18, FsPermission.getUMask(conf).toShort());
// Test 3 - old configuration key overrides the new one
conf = new Configuration();
conf.set(FsPermission.DEPRECATED_UMASK_LABEL, "18");
conf.set(FsPermission.UMASK_LABEL, "000");
assertEquals(18, FsPermission.getUMask(conf).toShort());
// Test 4 - new configuration key is handled
conf = new Configuration();
conf.set(FsPermission.UMASK_LABEL, "022");
assertEquals(18, FsPermission.getUMask(conf).toShort());
}
private static void execSetPermission(File f, FsPermission permission) throws IOException {
if (NativeIO.isAvailable()) {
NativeIO.chmod(f.getCanonicalPath(), permission.toShort());
} else {
execCommand(f, Shell.SET_PERMISSION_COMMAND, String.format("%04o", permission.toShort()));
}
}
private void makeDoneSubdir(Path path) throws IOException {
try {
doneDirFc.getFileStatus(path);
existingDoneSubdirs.add(path);
} catch (FileNotFoundException fnfE) {
try {
FsPermission fsp = new FsPermission(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION);
doneDirFc.mkdir(path, fsp, true);
FileStatus fsStatus = doneDirFc.getFileStatus(path);
/* LOG.info("Perms after creating "+fsStatus.getPermission().toShort()+", Expected: "+fsp.toShort()) */
LOG.perms_after_creating_expected(
String.valueOf(fsStatus.getPermission().toShort()), String.valueOf(fsp.toShort()))
.tag("methodCall")
.info();
if (fsStatus.getPermission().toShort() != fsp.toShort()) {
/* LOG.info("Explicitly setting permissions to : "+fsp.toShort()+", "+fsp) */
LOG.explicitly_setting_permissions(String.valueOf(fsp.toShort()), fsp.toString())
.tag("methodCall")
.info();
doneDirFc.setPermission(path, fsp);
}
existingDoneSubdirs.add(path);
} catch (FileAlreadyExistsException faeE) { // Nothing to do.
}
}
}
@Test
public void testMkdirsFailsForSubdirectoryOfExistingFile() throws Exception {
Path testDir = qualifiedPath("test/hadoop", fc2);
Assert.assertFalse(exists(fc2, testDir));
fc2.mkdir(testDir, FsPermission.getDefault(), true);
Assert.assertTrue(exists(fc2, testDir));
// Create file on fc1 using fc2 context
createFile(fc1, qualifiedPath("test/hadoop/file", fc2));
Path testSubDir = qualifiedPath("test/hadoop/file/subdir", fc2);
try {
fc1.mkdir(testSubDir, FsPermission.getDefault(), true);
Assert.fail("Should throw IOException.");
} catch (IOException e) {
// expected
}
Assert.assertFalse(exists(fc1, testSubDir));
Path testDeepSubDir = qualifiedPath("test/hadoop/file/deep/sub/dir", fc1);
try {
fc2.mkdir(testDeepSubDir, FsPermission.getDefault(), true);
Assert.fail("Should throw IOException.");
} catch (IOException e) {
// expected
}
Assert.assertFalse(exists(fc1, testDeepSubDir));
}
/** Convert a HdfsFileStatus object to a Json string. */
public static String toJsonString(final HdfsFileStatus status, boolean includeType) {
if (status == null) {
return null;
}
final Map<String, Object> m = new TreeMap<String, Object>();
m.put("pathSuffix", status.getLocalName());
m.put("type", PathType.valueOf(status));
if (status.isSymlink()) {
m.put("symlink", status.getSymlink());
}
m.put("length", status.getLen());
m.put("owner", status.getOwner());
m.put("group", status.getGroup());
FsPermission perm = status.getPermission();
m.put("permission", toString(perm));
if (perm.getAclBit()) {
m.put("aclBit", true);
}
if (perm.getEncryptedBit()) {
m.put("encBit", true);
}
m.put("accessTime", status.getAccessTime());
m.put("modificationTime", status.getModificationTime());
m.put("blockSize", status.getBlockSize());
m.put("replication", status.getReplication());
m.put("fileId", status.getFileId());
m.put("childrenNum", status.getChildrenNum());
m.put("storagePolicy", status.getStoragePolicy());
return includeType ? toJsonString(FileStatus.class, m) : JSON.toString(m);
}
@Test
public void testDeleteMissing() {
TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
JobContext jobContext =
new JobContextImpl(
taskAttemptContext.getConfiguration(),
taskAttemptContext.getTaskAttemptID().getJobID());
Configuration conf = jobContext.getConfiguration();
String sourceBase;
String targetBase;
FileSystem fs = null;
try {
OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
fs = FileSystem.get(conf);
sourceBase = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
targetBase = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
String targetBaseAdd = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
fs.rename(new Path(targetBaseAdd), new Path(targetBase));
DistCpOptions options =
new DistCpOptions(Arrays.asList(new Path(sourceBase)), new Path("/out"));
options.setSyncFolder(true);
options.setDeleteMissing(true);
options.appendToConf(conf);
CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
listing.buildListing(listingFile, options);
conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, targetBase);
conf.set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, targetBase);
committer.commitJob(jobContext);
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, targetBase, sourceBase)) {
Assert.fail("Source and target folders are not in sync");
}
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, sourceBase, targetBase)) {
Assert.fail("Source and target folders are not in sync");
}
// Test for idempotent commit
committer.commitJob(jobContext);
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, targetBase, sourceBase)) {
Assert.fail("Source and target folders are not in sync");
}
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, sourceBase, targetBase)) {
Assert.fail("Source and target folders are not in sync");
}
} catch (Throwable e) {
LOG.error("Exception encountered while testing for delete missing", e);
Assert.fail("Delete missing failure");
} finally {
TestDistCpUtils.delete(fs, "/tmp1");
conf.set(DistCpConstants.CONF_LABEL_DELETE_MISSING, "false");
}
}
/**
* Checks for a given path whether the Other permissions on it imply the permission in the passed
* FsAction
*
* @param fs
* @param path
* @param action
* @return true if the path in the uri is visible to all, false otherwise
* @throws IOException
*/
private static boolean checkPermissionOfOther(FileSystem fs, Path path, FsAction action)
throws IOException {
FileStatus status = fs.getFileStatus(path);
FsPermission perms = status.getPermission();
FsAction otherAction = perms.getOtherAction();
if (otherAction.implies(action)) {
return true;
}
return false;
}
/** Use the command chmod to set permission. */
@Override
public void setPermission(Path p, FsPermission permission) throws IOException {
if (NativeIO.isAvailable()) {
NativeIO.POSIX.chmod(pathToFile(p).getCanonicalPath(), permission.toShort());
} else {
String perm = String.format("%04o", permission.toShort());
Shell.execCommand(
Shell.getSetPermissionCommand(perm, false, FileUtil.makeShellPath(pathToFile(p), true)));
}
}
/**
* Convert IGFS file attributes into Hadoop permission.
*
* @param file File info.
* @return Hadoop permission.
*/
private FsPermission permission(IgfsFile file) {
String perm = file.property(IgfsUtils.PROP_PERMISSION, null);
if (perm == null) return FsPermission.getDefault();
try {
return new FsPermission((short) Integer.parseInt(perm, 8));
} catch (NumberFormatException ignore) {
return FsPermission.getDefault();
}
}
/**
* Changes permission of a path.
*
* @param path path to set permission
* @param permission permission set to path
* @throws IOException if the path failed to be changed permission
*/
@Override
public void setPermission(Path path, FsPermission permission) throws IOException {
LOG.info("setMode({},{})", path, permission.toString());
AlluxioURI uri = new AlluxioURI(HadoopUtils.getPathWithoutScheme(path));
SetAttributeOptions options =
SetAttributeOptions.defaults().setMode(new Mode(permission.toShort())).setRecursive(false);
try {
mFileSystem.setAttribute(uri, options);
} catch (AlluxioException e) {
throw new IOException(e);
}
}
@Test
public void testDeleteDirectory() throws IOException {
String dirName = "dirTest";
Path testDirPath = qualifiedPath(dirName, fc2);
// Ensure directory does not exist
Assert.assertFalse(exists(fc2, testDirPath));
// Create a directory on fc2's file system using fc1
fc1.mkdir(testDirPath, FsPermission.getDefault(), true);
// Ensure dir is created
Assert.assertTrue(exists(fc2, testDirPath));
Assert.assertTrue(isDir(fc2, testDirPath));
fc2.delete(testDirPath, true);
// Ensure that directory is deleted
Assert.assertFalse(isDir(fc2, testDirPath));
// TestCase - Create and delete multiple directories
String dirNames[] = {
"deleteTest/testDir",
"deleteTest/test Dir",
"deleteTest/test*Dir",
"deleteTest/test#Dir",
"deleteTest/test1234",
"deleteTest/1234Test",
"deleteTest/test)Dir",
"deleteTest/test_DIr",
"deleteTest/()&^%$#@!~_+}{><?",
" ",
"^ "
};
for (String f : dirNames) {
// Create a file on fc2's file system using fc1
Path testPath = qualifiedPath(f, fc2);
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Now create directory
fc1.mkdir(testPath, FsPermission.getDefault(), true);
// Ensure fc2 has the created directory
Assert.assertTrue(exists(fc2, testPath));
Assert.assertTrue(isDir(fc2, testPath));
// Delete dir
Assert.assertTrue(fc2.delete(testPath, true));
// verify if directory is deleted
Assert.assertFalse(exists(fc2, testPath));
Assert.assertFalse(isDir(fc2, testPath));
}
}
void generateInputs(int[] ignore) throws IOException {
int nrDatanodes = getNumDatanodes();
int nrBlocks = (int) Math.ceil((double) blocksPerReport * nrDatanodes / replication);
int nrFiles = (int) Math.ceil((double) nrBlocks / blocksPerFile);
datanodes = new TinyDatanode[nrDatanodes];
// create data-nodes
String prevDNName = "";
for (int idx = 0; idx < nrDatanodes; idx++) {
datanodes[idx] = new TinyDatanode(idx, blocksPerReport);
datanodes[idx].register();
assert datanodes[idx].getName().compareTo(prevDNName) > 0
: "Data-nodes must be sorted lexicographically.";
datanodes[idx].sendHeartbeat();
prevDNName = datanodes[idx].getName();
}
// create files
LOG.info("Creating " + nrFiles + " with " + blocksPerFile + " blocks each.");
FileNameGenerator nameGenerator;
nameGenerator = new FileNameGenerator(getBaseDir(), 100);
String clientName = getClientName(007);
nameNode.setSafeMode(FSConstants.SafeModeAction.SAFEMODE_LEAVE);
for (int idx = 0; idx < nrFiles; idx++) {
String fileName = nameGenerator.getNextFileName("ThroughputBench");
nameNode.create(
fileName, FsPermission.getDefault(), clientName, true, replication, BLOCK_SIZE);
addBlocks(fileName, clientName);
nameNode.complete(fileName, clientName);
}
// prepare block reports
for (int idx = 0; idx < nrDatanodes; idx++) {
datanodes[idx].formBlockReport();
}
}
@Test
public void testRemoveAclSnapshotPath() throws Exception {
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0700));
SnapshotTestHelper.createSnapshot(hdfs, path, snapshotName);
exception.expect(SnapshotAccessControlException.class);
hdfs.removeAcl(snapshotPath);
}
@Test
public void testModifyReadsCurrentState() throws Exception {
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0700));
SnapshotTestHelper.createSnapshot(hdfs, path, snapshotName);
List<AclEntry> aclSpec = Lists.newArrayList(aclEntry(ACCESS, USER, "bruce", ALL));
hdfs.modifyAclEntries(path, aclSpec);
aclSpec = Lists.newArrayList(aclEntry(ACCESS, USER, "diana", READ_EXECUTE));
hdfs.modifyAclEntries(path, aclSpec);
AclEntry[] expected =
new AclEntry[] {
aclEntry(ACCESS, USER, "bruce", ALL),
aclEntry(ACCESS, USER, "diana", READ_EXECUTE),
aclEntry(ACCESS, GROUP, NONE)
};
AclStatus s = hdfs.getAclStatus(path);
AclEntry[] returned = s.getEntries().toArray(new AclEntry[0]);
assertArrayEquals(expected, returned);
assertPermission((short) 010770, path);
assertDirPermissionGranted(fsAsBruce, BRUCE, path);
assertDirPermissionGranted(fsAsDiana, DIANA, path);
}
@Before
public void setUp() {
PermissionStatus permStatus =
PermissionStatus.createImmutable(
SUPERUSER, SUPERGROUP, FsPermission.createImmutable((short) 0755));
inodeRoot = new INodeDirectory(INodeId.ROOT_INODE_ID, INodeDirectory.ROOT_NAME, permStatus, 0L);
}
@Test
public void testDeleteNonExistingDirectory() throws IOException {
String testDirName = "testFile";
Path testPath = qualifiedPath(testDirName, fc2);
// TestCase1 : Test delete on directory never existed
// Ensure directory does not exist
Assert.assertFalse(exists(fc2, testPath));
// Delete on non existing directory should return false
Assert.assertFalse(fc2.delete(testPath, false));
// TestCase2 : Create dir, Delete dir, Delete dir
// Create a file on fc2's file system using fc1
fc1.mkdir(testPath, FsPermission.getDefault(), true);
// Ensure dir exist
Assert.assertTrue(exists(fc2, testPath));
// Delete test file, deleting existing file should return true
Assert.assertTrue(fc2.delete(testPath, false));
// Ensure file does not exist
Assert.assertFalse(exists(fc2, testPath));
// Delete on non existing file should return false
Assert.assertFalse(fc2.delete(testPath, false));
}
/** Serialize a {@link PermissionStatus} from its base components. */
public static void write(
DataOutput out, String username, String groupname, FsPermission permission)
throws IOException {
Text.writeString(out, username);
Text.writeString(out, groupname);
permission.write(out);
}
protected final void makeTestFile(Path path, long length, boolean isLazyPersist)
throws IOException {
EnumSet<CreateFlag> createFlags = EnumSet.of(CREATE);
if (isLazyPersist) {
createFlags.add(LAZY_PERSIST);
}
FSDataOutputStream fos = null;
try {
fos =
fs.create(
path,
FsPermission.getFileDefault(),
createFlags,
BUFFER_LENGTH,
REPL_FACTOR,
BLOCK_SIZE,
null);
// Allocate a block.
byte[] buffer = new byte[BUFFER_LENGTH];
for (int bytesWritten = 0; bytesWritten < length; ) {
fos.write(buffer, 0, buffer.length);
bytesWritten += buffer.length;
}
if (length > 0) {
fos.hsync();
}
} finally {
IOUtils.closeQuietly(fos);
}
}
/**
* 지정한 경로를 생성한다.
*
* @param fs FileSystem
* @param path 생성할 경로
* @return 정상적으로 생성한 경우 <tt>true</tt>
*/
public static boolean mkdir(FileSystem fs, String path) {
try {
return FileSystem.mkdirs(fs, new Path(path), FsPermission.getDefault());
} catch (Exception ex) {
throw new FileSystemException(ExceptionUtils.getMessage("Cannot create '{}'", path), ex);
}
}
/*
* Since NameNode will not persist any locations of the block, addBlock()
* retry call after restart NN should re-select the locations and return to
* client. refer HDFS-5257
*/
@Test
public void testAddBlockRetryShouldReturnBlockWithLocations() throws Exception {
final String src = "/testAddBlockRetryShouldReturnBlockWithLocations";
NamenodeProtocols nameNodeRpc = cluster.getNameNodeRpc();
// create file
nameNodeRpc.create(
src,
FsPermission.getFileDefault(),
"clientName",
new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)),
true,
(short) 3,
1024,
null);
// start first addBlock()
LOG.info("Starting first addBlock for " + src);
LocatedBlock lb1 =
nameNodeRpc.addBlock(src, "clientName", null, null, INodeId.GRANDFATHER_INODE_ID, null);
assertTrue("Block locations should be present", lb1.getLocations().length > 0);
cluster.restartNameNode();
nameNodeRpc = cluster.getNameNodeRpc();
LocatedBlock lb2 =
nameNodeRpc.addBlock(src, "clientName", null, null, INodeId.GRANDFATHER_INODE_ID, null);
assertEquals("Blocks are not equal", lb1.getBlock(), lb2.getBlock());
assertTrue("Wrong locations with retry", lb2.getLocations().length > 0);
}
@Test
public void testSetAclSnapshotPath() throws Exception {
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0700));
SnapshotTestHelper.createSnapshot(hdfs, path, snapshotName);
List<AclEntry> aclSpec = Lists.newArrayList(aclEntry(DEFAULT, USER, "bruce"));
exception.expect(SnapshotAccessControlException.class);
hdfs.setAcl(snapshotPath, aclSpec);
}
/**
* A stream obtained via this call must be closed before using other APIs of this class or else
* the invocation will block.
*/
public FSDataOutputStream create(
Path file,
FsPermission permission,
boolean overwrite,
int bufferSize,
short replication,
long blockSize,
Progressable progress)
throws IOException {
final FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
if (exists(client, file)) {
if (overwrite) {
delete(client, file);
} else {
disconnect(client);
throw new IOException("File already exists: " + file);
}
}
Path parent = absolute.getParent();
if (parent == null || !mkdirs(client, parent, FsPermission.getDefault())) {
parent = (parent == null) ? new Path("/") : parent;
disconnect(client);
throw new IOException("create(): Mkdirs failed to create: " + parent);
}
client.allocate(bufferSize);
// Change to parent directory on the server. Only then can we write to the
// file on the server by opening up an OutputStream. As a side effect the
// working directory on the server is changed to the parent directory of the
// file. The FTP client connection is closed when close() is called on the
// FSDataOutputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
FSDataOutputStream fos =
new FSDataOutputStream(client.storeFileStream(file.getName()), statistics) {
public void close() throws IOException {
super.close();
if (!client.isConnected()) {
throw new FTPException("Client not connected");
}
boolean cmdCompleted = client.completePendingCommand();
disconnect(client);
if (!cmdCompleted) {
throw new FTPException(
"Could not complete transfer, Reply Code - " + client.getReplyCode());
}
}
};
if (!FTPReply.isPositivePreliminary(client.getReplyCode())) {
// The ftpClient is an inconsistent state. Must close the stream
// which in turn will logout and disconnect from FTP server
fos.close();
throw new IOException("Unable to create file: " + file + ", Aborting");
}
return fos;
}
private void mkdir(FileSystem fs, Path path, FsPermission fsp) throws IOException {
if (!fs.exists(path)) {
try {
fs.mkdirs(path, fsp);
FileStatus fsStatus = fs.getFileStatus(path);
LOG.info(
"Perms after creating "
+ fsStatus.getPermission().toShort()
+ ", Expected: "
+ fsp.toShort());
if (fsStatus.getPermission().toShort() != fsp.toShort()) {
LOG.info("Explicitly setting permissions to : " + fsp.toShort() + ", " + fsp);
fs.setPermission(path, fsp);
}
} catch (FileAlreadyExistsException e) {
LOG.info("Directory: [" + path + "] already exists.");
}
}
}
private static INodeDirectory createINodeDirectory(
INodeDirectory parent, String name, String owner, String group, short perm)
throws IOException {
PermissionStatus permStatus =
PermissionStatus.createImmutable(owner, group, FsPermission.createImmutable(perm));
INodeDirectory inodeDirectory =
new INodeDirectory(INodeId.GRANDFATHER_INODE_ID, name.getBytes("UTF-8"), permStatus, 0L);
parent.addChild(inodeDirectory);
return inodeDirectory;
}
private static void checkReturnValue(boolean rv, File p, FsPermission permission)
throws IOException {
if (!rv) {
throw new IOException(
"Failed to set permissions of path: "
+ p
+ " to "
+ String.format("%04o", permission.toShort()));
}
}
public static boolean chmod(Path path, String chmodStr, boolean recursive) {
boolean result = false;
try {
fs.setPermission(path, FsPermission.valueOf(chmodStr));
if (recursive == true) {
FileStatus stats[] = fs.listStatus(path);
for (FileStatus stat : stats) {
Path subPath = stat.getPath();
fs.setPermission(subPath, FsPermission.valueOf(chmodStr));
if (fs.isDirectory(subPath)) {
chmod(subPath, chmodStr, recursive);
}
}
}
} catch (Exception e) {
LOG.error("修改文件权限出错: " + e.getMessage());
e.printStackTrace();
}
return result;
}
/**
* Test for {@link TFS#setPermission(Path, org.apache.hadoop.fs.permission.FsPermission)}. It will
* test changing the permission of file using TFS.
*/
@Test
public void chmodTest() throws Exception {
Path fileA = new Path("/chmodfileA");
create(sTFS, fileA);
FileStatus fs = sTFS.getFileStatus(fileA);
// Default permission should be 0644
Assert.assertEquals((short) 0644, fs.getPermission().toShort());
sTFS.setPermission(fileA, FsPermission.createImmutable((short) 0755));
Assert.assertEquals((short) 0755, sTFS.getFileStatus(fileA).getPermission().toShort());
}
/**
* Create the root scratch dir on hdfs (if it doesn't already exist) and make it writable
*
* @param conf
* @return
* @throws IOException
*/
private Path createRootHDFSDir(HiveConf conf) throws IOException {
Path rootHDFSDirPath = new Path(HiveConf.getVar(conf, HiveConf.ConfVars.SCRATCHDIR));
FsPermission writableHDFSDirPermission = new FsPermission((short) 00733);
FileSystem fs = rootHDFSDirPath.getFileSystem(conf);
if (!fs.exists(rootHDFSDirPath)) {
Utilities.createDirsWithPermission(conf, rootHDFSDirPath, writableHDFSDirPermission, true);
}
FsPermission currentHDFSDirPermission = fs.getFileStatus(rootHDFSDirPath).getPermission();
LOG.debug(
"HDFS root scratch dir: " + rootHDFSDirPath + ", permission: " + currentHDFSDirPermission);
// If the root HDFS scratch dir already exists, make sure it is writeable.
if (!((currentHDFSDirPermission.toShort() & writableHDFSDirPermission.toShort())
== writableHDFSDirPermission.toShort())) {
throw new RuntimeException(
"The root scratch dir: "
+ rootHDFSDirPath
+ " on HDFS should be writable. Current permissions are: "
+ currentHDFSDirPermission);
}
return rootHDFSDirPath;
}
