private void testAbortInternal(int version) throws IOException, InterruptedException {
JobConf conf = new JobConf();
FileOutputFormat.setOutputPath(conf, outDir);
conf.set(JobContext.TASK_ATTEMPT_ID, attempt);
conf.setInt(
org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION,
version);
JobContext jContext = new JobContextImpl(conf, taskID.getJobID());
TaskAttemptContext tContext = new TaskAttemptContextImpl(conf, taskID);
FileOutputCommitter committer = new FileOutputCommitter();
// do setup
committer.setupJob(jContext);
committer.setupTask(tContext);
// write output
TextOutputFormat theOutputFormat = new TextOutputFormat();
RecordWriter theRecordWriter = theOutputFormat.getRecordWriter(null, conf, partFile, null);
writeOutput(theRecordWriter, tContext);
// do abort
committer.abortTask(tContext);
File out = new File(outDir.toUri().getPath());
Path workPath = committer.getWorkPath(tContext, outDir);
File wp = new File(workPath.toUri().getPath());
File expectedFile = new File(wp, partFile);
assertFalse("task temp dir still exists", expectedFile.exists());
committer.abortJob(jContext, JobStatus.State.FAILED);
expectedFile = new File(out, FileOutputCommitter.TEMP_DIR_NAME);
assertFalse("job temp dir still exists", expectedFile.exists());
assertEquals("Output directory not empty", 0, out.listFiles().length);
FileUtil.fullyDelete(out);
}
/**
* Create dirs & session paths for this session: 1. HDFS scratch dir 2. Local scratch dir 3. Local
* downloaded resource dir 4. HDFS session path 5. Local session path 6. HDFS temp table space
*
* @param userName
* @throws IOException
*/
private void createSessionDirs(String userName) throws IOException {
HiveConf conf = getConf();
Path rootHDFSDirPath = createRootHDFSDir(conf);
// Now create session specific dirs
String scratchDirPermission = HiveConf.getVar(conf, HiveConf.ConfVars.SCRATCHDIRPERMISSION);
Path path;
// 1. HDFS scratch dir
path = new Path(rootHDFSDirPath, userName);
hdfsScratchDirURIString = path.toUri().toString();
createPath(conf, path, scratchDirPermission, false, false);
// 2. Local scratch dir
path = new Path(HiveConf.getVar(conf, HiveConf.ConfVars.LOCALSCRATCHDIR));
createPath(conf, path, scratchDirPermission, true, false);
// 3. Download resources dir
path = new Path(HiveConf.getVar(conf, HiveConf.ConfVars.DOWNLOADED_RESOURCES_DIR));
createPath(conf, path, scratchDirPermission, true, false);
// Finally, create session paths for this session
// Local & non-local tmp location is configurable. however it is the same across
// all external file systems
String sessionId = getSessionId();
// 4. HDFS session path
hdfsSessionPath = new Path(hdfsScratchDirURIString, sessionId);
createPath(conf, hdfsSessionPath, scratchDirPermission, false, true);
conf.set(HDFS_SESSION_PATH_KEY, hdfsSessionPath.toUri().toString());
// 5. Local session path
localSessionPath =
new Path(HiveConf.getVar(conf, HiveConf.ConfVars.LOCALSCRATCHDIR), sessionId);
createPath(conf, localSessionPath, scratchDirPermission, true, true);
conf.set(LOCAL_SESSION_PATH_KEY, localSessionPath.toUri().toString());
// 6. HDFS temp table space
hdfsTmpTableSpace = new Path(hdfsSessionPath, TMP_PREFIX);
createPath(conf, hdfsTmpTableSpace, scratchDirPermission, false, true);
conf.set(TMP_TABLE_SPACE_KEY, hdfsTmpTableSpace.toUri().toString());
}
/**
* Validate if the input history log paths are as expected.
*
* @param inputs the resultant input paths to be validated
* @param expectedHistoryFileNames the expected input history logs
* @throws IOException
*/
private void validateHistoryLogPaths(List<Path> inputs, List<String> expectedHistoryFileNames)
throws IOException {
System.out.println("\nExpected history files are:");
for (String historyFile : expectedHistoryFileNames) {
System.out.println(historyFile);
}
System.out.println("\nResultant history files are:");
List<String> historyLogs = new ArrayList<String>();
for (Path p : inputs) {
historyLogs.add(p.toUri().getPath());
System.out.println(p.toUri().getPath());
}
assertEquals(
"Number of history logs found is different from the expected.",
expectedHistoryFileNames.size(),
inputs.size());
// Verify if all the history logs are expected ones and they are in the
// expected order
assertTrue(
"Some of the history log files do not match the expected.",
historyLogs.equals(expectedHistoryFileNames));
}
public HdfsDirectory(Path hdfsDirPath, LockFactory lockFactory, Configuration configuration)
throws IOException {
super(lockFactory);
this.hdfsDirPath = hdfsDirPath;
this.configuration = configuration;
fileSystem = FileSystem.get(hdfsDirPath.toUri(), configuration);
fileContext = FileContext.getFileContext(hdfsDirPath.toUri(), configuration);
if (fileSystem instanceof DistributedFileSystem) {
// Make sure dfs is not in safe mode
while (((DistributedFileSystem) fileSystem).setSafeMode(SafeModeAction.SAFEMODE_GET, true)) {
LOG.warn("The NameNode is in SafeMode - Solr will wait 5 seconds and try again.");
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
Thread.interrupted();
// continue
}
}
}
try {
if (!fileSystem.exists(hdfsDirPath)) {
boolean success = fileSystem.mkdirs(hdfsDirPath);
if (!success) {
throw new RuntimeException("Could not create directory: " + hdfsDirPath);
}
}
} catch (Exception e) {
org.apache.solr.common.util.IOUtils.closeQuietly(fileSystem);
throw new RuntimeException("Problem creating directory: " + hdfsDirPath, e);
}
}
@Override
public void execute() throws IOException {
if (offset < 0) throw new IllegalArgumentException("Offset cannot be less than 0.");
System.out.println("Getting file paths...");
final Path[] sequenceFiles = SequenceFileUtility.getFilePaths(inputPathOrUri, "part");
final ExtractionState nps = new ExtractionState();
nps.setMaxFileExtract(max);
if (random >= 0) {
System.out.println("Counting records");
int totalRecords = 0;
for (final Path path : sequenceFiles) {
System.out.println("... Counting from file: " + path);
final SequenceFileUtility<Text, BytesWritable> utility =
new TextBytesSequenceFileUtility(path.toUri(), true);
totalRecords += utility.getNumberRecords();
}
System.out.println("Selecting random subset of " + random + " from " + totalRecords);
nps.setRandomSelection(random, totalRecords);
}
ZipOutputStream zos = null;
if (zipMode) {
zos = SequenceFileUtility.openZipOutputStream(outputPathOrUri);
}
for (final Path path : sequenceFiles) {
System.out.println("Extracting from " + path.getName());
final SequenceFileUtility<Text, BytesWritable> utility =
new TextBytesSequenceFileUtility(path.toUri(), true);
if (queryKey == null) {
if (zipMode) {
utility.exportDataToZip(zos, np, nps, autoExtension, offset);
} else {
utility.exportData(outputPathOrUri, np, nps, autoExtension, offset);
}
} else {
if (zipMode) {
throw new UnsupportedOperationException("Not implemented yet");
} else {
if (!utility.findAndExport(new Text(queryKey), outputPathOrUri, offset)) {
if (offset == 0) System.err.format("Key '%s' was not found in the file.\n", queryKey);
else
System.err.format(
"Key '%s' was not found in the file after offset %d.\n", queryKey, offset);
}
}
}
if (nps.isFinished()) break;
}
if (zos != null) zos.close();
}
private void checkLocalizedPath(boolean visibility)
throws IOException, LoginException, InterruptedException {
TrackerDistributedCacheManager manager =
new TrackerDistributedCacheManager(conf, taskController);
String userName = getJobOwnerName();
File workDir = new File(TEST_ROOT_DIR, "workdir");
Path cacheFile = new Path(TEST_ROOT_DIR, "fourthcachefile");
if (visibility) {
createPublicTempFile(cacheFile);
} else {
createPrivateTempFile(cacheFile);
}
Configuration conf1 = new Configuration(conf);
conf1.set("user.name", userName);
DistributedCache.addCacheFile(cacheFile.toUri(), conf1);
TrackerDistributedCacheManager.determineTimestamps(conf1);
TrackerDistributedCacheManager.determineCacheVisibilities(conf1);
dumpState(conf1);
// Task localizing for job
TaskDistributedCacheManager handle =
manager.newTaskDistributedCacheManager(new JobID("jt", 1), conf1);
handle.setupCache(
conf1,
TaskTracker.getPublicDistributedCacheDir(),
TaskTracker.getPrivateDistributedCacheDir(userName));
JobLocalizer.downloadPrivateCache(conf1);
TaskDistributedCacheManager.CacheFile c = handle.getCacheFiles().get(0);
String distCacheDir;
if (visibility) {
distCacheDir = TaskTracker.getPublicDistributedCacheDir();
} else {
distCacheDir = TaskTracker.getPrivateDistributedCacheDir(userName);
}
Path localizedPath =
manager.getLocalCache(
cacheFile.toUri(),
conf1,
distCacheDir,
fs.getFileStatus(cacheFile),
false,
c.timestamp,
visibility,
c);
assertTrue(
"Cache file didn't get localized in the expected directory. "
+ "Expected localization to happen within "
+ ROOT_MAPRED_LOCAL_DIR
+ "/"
+ distCacheDir
+ ", but was localized at "
+ localizedPath,
localizedPath.toString().contains(distCacheDir));
if (visibility) {
checkPublicFilePermissions(new Path[] {localizedPath});
} else {
checkFilePermissions(new Path[] {localizedPath});
}
}
/**
* Copy a directory to a new FS -both paths must be qualified
*
* @param conf conf file
* @param srcDirPath src dir
* @param destDirPath dest dir
* @return # of files copies
*/
public static int copyDirectory(Configuration conf, Path srcDirPath, Path destDirPath)
throws IOException {
FileSystem srcFS = FileSystem.get(srcDirPath.toUri(), conf);
FileSystem destFS = FileSystem.get(destDirPath.toUri(), conf);
// list all paths in the src.
if (!srcFS.exists(srcDirPath)) {
throw new FileNotFoundException("Source dir not found " + srcDirPath);
}
if (!srcFS.isDirectory(srcDirPath)) {
throw new FileNotFoundException("Source dir not a directory " + srcDirPath);
}
FileStatus[] entries = srcFS.listStatus(srcDirPath);
int srcFileCount = entries.length;
if (srcFileCount == 0) {
return 0;
}
if (!destFS.exists(destDirPath)) {
destFS.mkdirs(destDirPath);
}
Path[] sourcePaths = new Path[srcFileCount];
for (int i = 0; i < srcFileCount; i++) {
FileStatus e = entries[i];
Path srcFile = e.getPath();
if (srcFS.isDirectory(srcFile)) {
throw new IOException(
"Configuration dir " + srcDirPath + " contains a directory " + srcFile);
}
log.debug("copying src conf file {}", srcFile);
sourcePaths[i] = srcFile;
}
log.debug("Copying {} files from to {} to dest {}", srcFileCount, srcDirPath, destDirPath);
FileUtil.copy(srcFS, sourcePaths, destFS, destDirPath, false, true, conf);
return srcFileCount;
}
/**
* Convert Hadoop path into IGFS path.
*
* @param path Hadoop path.
* @return IGFS path.
*/
@Nullable
private IgfsPath convert(Path path) {
if (path == null) return null;
return path.isAbsolute()
? new IgfsPath(path.toUri().getPath())
: new IgfsPath(workingDir, path.toUri().getPath());
}
public boolean rename(Path src, Path dst) throws IOException {
Path absoluteS = makeAbsolute(src);
String srepS = absoluteS.toUri().getPath();
Path absoluteD = makeAbsolute(dst);
String srepD = absoluteD.toUri().getPath();
// System.out.println("Calling rename on: " + srepS + " -> " + srepD);
return kfsImpl.rename(srepS, srepD) == 0;
}
public static Job createTimesSquaredJob(
Configuration initialConf,
Vector v,
int outputVectorDim,
Path matrixInputPath,
Path outputVectorPathBase,
Class<? extends TimesSquaredMapper> mapClass,
Class<? extends VectorSummingReducer> redClass)
throws IOException {
FileSystem fs = FileSystem.get(matrixInputPath.toUri(), initialConf);
matrixInputPath = fs.makeQualified(matrixInputPath);
outputVectorPathBase = fs.makeQualified(outputVectorPathBase);
long now = System.nanoTime();
Path inputVectorPath = new Path(outputVectorPathBase, INPUT_VECTOR + '/' + now);
SequenceFile.Writer inputVectorPathWriter = null;
try {
inputVectorPathWriter =
new SequenceFile.Writer(
fs, initialConf, inputVectorPath, NullWritable.class, VectorWritable.class);
inputVectorPathWriter.append(NullWritable.get(), new VectorWritable(v));
} finally {
Closeables.close(inputVectorPathWriter, false);
}
URI ivpURI = inputVectorPath.toUri();
DistributedCache.setCacheFiles(new URI[] {ivpURI}, initialConf);
Job job =
HadoopUtil.prepareJob(
matrixInputPath,
new Path(outputVectorPathBase, OUTPUT_VECTOR_FILENAME),
SequenceFileInputFormat.class,
mapClass,
NullWritable.class,
VectorWritable.class,
redClass,
NullWritable.class,
VectorWritable.class,
SequenceFileOutputFormat.class,
initialConf);
job.setCombinerClass(redClass);
job.setJobName("TimesSquaredJob: " + matrixInputPath);
Configuration conf = job.getConfiguration();
conf.set(INPUT_VECTOR, ivpURI.toString());
conf.setBoolean(IS_SPARSE_OUTPUT, !v.isDense());
conf.setInt(OUTPUT_VECTOR_DIMENSION, outputVectorDim);
return job;
}
/**
* Given a URI for mapreduce intermediate output, swizzle the it to point to the local file
* system. This can be called in case the caller decides to run in local mode (in which case all
* intermediate data can be stored locally)
*
* @param originalURI uri to localize
* @return localized path for map-red intermediate data
*/
public String localizeMRTmpFileURI(String originalURI) {
Path o = new Path(originalURI);
Path mrbase = new Path(getMRScratchDir());
URI relURI = mrbase.toUri().relativize(o.toUri());
if (relURI.equals(o.toUri())) {
throw new RuntimeException(
"Invalid URI: " + originalURI + ", cannot relativize against" + mrbase.toString());
}
return getLocalScratchDir(!explain) + Path.SEPARATOR + relURI.getPath();
}
/**
* If <code>f</code> is a file, this method will make a single call to S3. If <code>f</code> is a
* directory, this method will make a maximum of (<i>n</i> / 1000) + 2 calls to S3, where <i>n</i>
* is the total number of files and directories contained directly in <code>f</code>.
*/
@Override
public FileStatus[] listStatus(Path f) throws IOException {
Path absolutePath = makeAbsolute(f);
String key = pathToKey(absolutePath);
if (key.length() > 0) {
FileMetadata meta = store.retrieveMetadata(key);
if (meta != null) {
return new FileStatus[] {newFile(meta, absolutePath)};
}
}
URI pathUri = absolutePath.toUri();
Set<FileStatus> status = new TreeSet<FileStatus>();
String priorLastKey = null;
do {
PartialListing listing = store.list(key, S3_MAX_LISTING_LENGTH, priorLastKey, false);
for (FileMetadata fileMetadata : listing.getFiles()) {
Path subpath = keyToPath(fileMetadata.getKey());
String relativePath = pathUri.relativize(subpath.toUri()).getPath();
if (fileMetadata.getKey().equals(key + "/")) {
// this is just the directory we have been asked to list
} else if (relativePath.endsWith(FOLDER_SUFFIX)) {
status.add(
newDirectory(
new Path(
absolutePath,
relativePath.substring(0, relativePath.indexOf(FOLDER_SUFFIX)))));
} else {
status.add(newFile(fileMetadata, subpath));
}
}
for (String commonPrefix : listing.getCommonPrefixes()) {
Path subpath = keyToPath(commonPrefix);
String relativePath = pathUri.relativize(subpath.toUri()).getPath();
status.add(newDirectory(new Path(absolutePath, relativePath)));
}
priorLastKey = listing.getPriorLastKey();
} while (priorLastKey != null);
if (status.isEmpty()
&& key.length() > 0
&& store.retrieveMetadata(key + FOLDER_SUFFIX) == null) {
throw new FileNotFoundException("File " + f + " does not exist.");
}
return status.toArray(new FileStatus[status.size()]);
}
@Override
public void initializeJob(
String user,
String jobid,
Path credentials,
Path jobConf,
TaskUmbilicalProtocol taskTracker,
InetSocketAddress ttAddr)
throws IOException {
List<String> command =
new ArrayList<String>(
Arrays.asList(
taskControllerExe,
user,
localStorage.getDirsString(),
Integer.toString(Commands.INITIALIZE_JOB.getValue()),
jobid,
credentials.toUri().getPath().toString(),
jobConf.toUri().getPath().toString()));
File jvm = // use same jvm as parent
new File(new File(System.getProperty("java.home"), "bin"), "java");
command.add(jvm.toString());
command.add("-classpath");
command.add(System.getProperty("java.class.path"));
command.add("-Dhadoop.log.dir=" + TaskLog.getBaseLogDir());
command.add("-Dhadoop.root.logger=INFO,console");
command.add(JobLocalizer.class.getName()); // main of JobLocalizer
command.add(user);
command.add(jobid);
// add the task tracker's reporting address
command.add(ttAddr.getHostName());
command.add(Integer.toString(ttAddr.getPort()));
String[] commandArray = command.toArray(new String[0]);
ShellCommandExecutor shExec = new ShellCommandExecutor(commandArray);
if (LOG.isDebugEnabled()) {
LOG.debug("initializeJob: " + Arrays.toString(commandArray));
}
try {
shExec.execute();
if (LOG.isDebugEnabled()) {
logOutput(shExec.getOutput());
}
} catch (ExitCodeException e) {
int exitCode = shExec.getExitCode();
logOutput(shExec.getOutput());
throw new IOException(
"Job initialization failed (" + exitCode + ") with output: " + shExec.getOutput(), e);
}
}
private static String pathToKey(Path path) {
if (path.toUri().getScheme() != null && path.toUri().getPath().isEmpty()) {
// allow uris without trailing slash after bucket to refer to root,
// like s3n://mybucket
return "";
}
if (!path.isAbsolute()) {
throw new IllegalArgumentException("Path must be absolute: " + path);
}
String ret = path.toUri().getPath().substring(1); // remove initial slash
if (ret.endsWith("/") && (ret.indexOf("/") != ret.length() - 1)) {
ret = ret.substring(0, ret.length() - 1);
}
return ret;
}
/** Returns a qualified path object. */
@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
public Path makeQualified(URI defaultUri, Path workingDir) {
Path path = this;
if (!isAbsolute()) {
path = new Path(workingDir, this);
}
URI pathUri = path.toUri();
String scheme = pathUri.getScheme();
String authority = pathUri.getAuthority();
String fragment = pathUri.getFragment();
if (scheme != null && (authority != null || defaultUri.getAuthority() == null)) return path;
if (scheme == null) {
scheme = defaultUri.getScheme();
}
if (authority == null) {
authority = defaultUri.getAuthority();
if (authority == null) {
authority = "";
}
}
URI newUri = null;
try {
newUri = new URI(scheme, authority, normalizePath(pathUri.getPath()), null, fragment);
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
}
return new Path(newUri);
}
/**
* Appends the child to the current {@link Location} on HDFS.
*
* <p>Returns a new instance of Location.
*
* @param child to be appended to this location.
* @return A new instance of {@link Location}
* @throws IOException
*/
@Override
public Location append(String child) throws IOException {
if (child.startsWith("/")) {
child = child.substring(1);
}
return new HDFSLocation(fs, new Path(URI.create(path.toUri() + "/" + child)));
}
@Override
protected synchronized void startInternal() throws Exception {
// create filesystem only now, as part of service-start. By this time, RM is
// authenticated with kerberos so we are good to create a file-system
// handle.
fsConf = new Configuration(getConfig());
fsConf.setBoolean("dfs.client.retry.policy.enabled", true);
String retryPolicy =
fsConf.get(
YarnConfiguration.FS_RM_STATE_STORE_RETRY_POLICY_SPEC,
YarnConfiguration.DEFAULT_FS_RM_STATE_STORE_RETRY_POLICY_SPEC);
fsConf.set("dfs.client.retry.policy.spec", retryPolicy);
String scheme = fsWorkingPath.toUri().getScheme();
if (scheme == null) {
scheme = FileSystem.getDefaultUri(fsConf).getScheme();
}
if (scheme != null) {
String disableCacheName = String.format("fs.%s.impl.disable.cache", scheme);
fsConf.setBoolean(disableCacheName, true);
}
fs = fsWorkingPath.getFileSystem(fsConf);
mkdirsWithRetries(rmDTSecretManagerRoot);
mkdirsWithRetries(rmAppRoot);
mkdirsWithRetries(amrmTokenSecretManagerRoot);
mkdirsWithRetries(reservationRoot);
}
@Override
public List<LuceneSegmentInputSplit> getSplits(JobContext context)
throws IOException, InterruptedException {
Configuration configuration = context.getConfiguration();
LuceneStorageConfiguration lucene2SeqConfiguration =
new LuceneStorageConfiguration(configuration);
List<LuceneSegmentInputSplit> inputSplits = new ArrayList<>();
List<Path> indexPaths = lucene2SeqConfiguration.getIndexPaths();
for (Path indexPath : indexPaths) {
ReadOnlyFileSystemDirectory directory =
new ReadOnlyFileSystemDirectory(
FileSystem.get(configuration), indexPath, false, configuration);
SegmentInfos segmentInfos = new SegmentInfos();
segmentInfos.read(directory);
for (SegmentCommitInfo segmentInfo : segmentInfos) {
LuceneSegmentInputSplit inputSplit =
new LuceneSegmentInputSplit(
indexPath, segmentInfo.info.name, segmentInfo.sizeInBytes());
inputSplits.add(inputSplit);
LOG.info(
"Created {} byte input split for index '{}' segment {}",
segmentInfo.sizeInBytes(),
indexPath.toUri(),
segmentInfo.info.name);
}
}
return inputSplits;
}
private double[] getSparkModelInfoFromHDFS(Path location, Configuration conf) throws Exception {
FileSystem fileSystem = FileSystem.get(location.toUri(), conf);
FileStatus[] files = fileSystem.listStatus(location);
if (files == null) throw new Exception("Couldn't find Spark Truck ML weights at: " + location);
ArrayList<Double> modelInfo = new ArrayList<Double>();
for (FileStatus file : files) {
if (file.getPath().getName().startsWith("_")) {
continue;
}
InputStream stream = fileSystem.open(file.getPath());
StringWriter writer = new StringWriter();
IOUtils.copy(stream, writer, "UTF-8");
String raw = writer.toString();
for (String str : raw.split("\n")) {
modelInfo.add(Double.valueOf(str));
}
}
return Doubles.toArray(modelInfo);
}
/**
* Return a list of all urls matching this input. If autocomplete is false, the list contains only
* 1 element (same as getUrl()). Otherwise, it will try to return all the files beginning with
* what is returned by getUrl().
*
* @param jobConf A Configuration object
* @return the list of input url
*/
public HashSet<URI> getAllUrls(Configuration jobConf) {
HashSet<URI> urls = new HashSet<URI>();
if (!isAutoComplete()) {
urls.add(url);
} else {
Path basePath = new Path(url);
String filePrefix = basePath.getName();
try {
FileSystem fs = basePath.getFileSystem(jobConf);
if (!fs.exists(basePath.getParent())) {
throw new IOException("Input directory not found: " + url);
}
FileStatus[] stats = fs.listStatus(basePath.getParent());
for (int i = 0; i < stats.length; i++) {
Path path = stats[i].getPath();
if (fs.isFile(path) && path.getName().startsWith(filePrefix)) urls.add(path.toUri());
}
} catch (IOException e) {
System.err.println("Unable to autocomplete input file");
e.printStackTrace();
System.exit(1);
}
}
return urls;
}
/** Convert a path to a File. */
public File pathToFile(Path path) {
checkPath(path);
if (!path.isAbsolute()) {
path = new Path(getWorkingDirectory(), path);
}
return new File(path.toUri().getPath());
}
public H2OHdfsInputStream(Path p, long offset, ProgressMonitor pmon) throws IOException {
super(offset, pmon);
_path = p;
_fs = FileSystem.get(p.toUri(), CONF);
setExpectedSz(_fs.getFileStatus(p).getLen());
open();
}
public FSDataOutputStream create(
Path file,
FsPermission permission,
boolean overwrite,
int bufferSize,
short replication,
long blockSize,
Progressable progress)
throws IOException {
if (exists(file)) {
if (overwrite) {
delete(file);
} else {
throw new IOException("File already exists: " + file);
}
}
Path parent = file.getParent();
if (parent != null && !mkdirs(parent)) {
throw new IOException("Mkdirs failed to create " + parent);
}
Path absolute = makeAbsolute(file);
String srep = absolute.toUri().getPath();
return kfsImpl.create(srep, replication, bufferSize);
}
/**
* Convenience method, so that we don't open a new connection when using this method from within
* another method. Otherwise every API invocation incurs the overhead of opening/closing a TCP
* connection.
*/
private FileStatus getFileStatus(FTPClient client, Path file) throws IOException {
FileStatus fileStat = null;
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
Path parentPath = absolute.getParent();
if (parentPath == null) { // root dir
long length = -1; // Length of root dir on server not known
boolean isDir = true;
int blockReplication = 1;
long blockSize = DEFAULT_BLOCK_SIZE; // Block Size not known.
long modTime = -1; // Modification time of root dir not known.
Path root = new Path("/");
return new FileStatus(
length, isDir, blockReplication, blockSize, modTime, root.makeQualified(this));
}
String pathName = parentPath.toUri().getPath();
FTPFile[] ftpFiles = client.listFiles(pathName);
if (ftpFiles != null) {
for (FTPFile ftpFile : ftpFiles) {
if (ftpFile.getName().equals(file.getName())) { // file found in dir
fileStat = getFileStatus(ftpFile, parentPath);
break;
}
}
if (fileStat == null) {
throw new FileNotFoundException("File " + file + " does not exist.");
}
} else {
throw new FileNotFoundException("File " + file + " does not exist.");
}
return fileStat;
}
protected void setupCluster(boolean simulated, long minFileSize, String[] racks, String[] hosts)
throws IOException {
conf = new Configuration();
localFileSys = FileSystem.getLocal(conf);
conf.setLong("dfs.blockreport.intervalMsec", 1000L);
conf.set("dfs.replication.pending.timeout.sec", "2");
conf.setLong("dfs.block.size", 1L);
conf.set(
"dfs.block.replicator.classname",
"org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicyRaid");
conf.setLong("hdfs.raid.min.filesize", minFileSize);
Utils.loadTestCodecs(conf, 5, 5, 1, 3, "/raid", "/raidrs", false, true);
conf.setInt("io.bytes.per.checksum", 1);
excludeFile = new Path(TEST_DIR, "exclude" + System.currentTimeMillis());
cleanFile(excludeFile);
conf.set("dfs.hosts.exclude", excludeFile.toUri().getPath());
writeConfigFile(excludeFile, null);
if (!simulated) {
cluster = new MiniDFSCluster(conf, hosts.length, true, racks, hosts);
} else {
long[] capacities = new long[] {CAPACITY, CAPACITY, CAPACITY};
cluster = new MiniDFSCluster(0, conf, hosts.length, true, true, null, racks, capacities);
}
cluster.waitActive();
namesystem = cluster.getNameNode().getNamesystem();
Assert.assertTrue(
"BlockPlacementPolicy type is not correct.",
namesystem.replicator instanceof BlockPlacementPolicyRaid);
policy = (BlockPlacementPolicyRaid) namesystem.replicator;
fs = cluster.getFileSystem();
dfs = (DistributedFileSystem) fs;
TestDirectoryRaidDfs.setupStripeStore(conf, fs);
}
protected Path marshal(
Cluster cluster, JAXBElement<?> jaxbElement, JAXBContext jaxbContext, Path outPath)
throws FalconException {
try {
Marshaller marshaller = jaxbContext.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
if (LOG.isDebugEnabled()) {
StringWriter writer = new StringWriter();
marshaller.marshal(jaxbElement, writer);
LOG.debug("Writing definition to {} on cluster {}", outPath, cluster.getName());
LOG.debug(writer.getBuffer().toString());
}
FileSystem fs =
HadoopClientFactory.get()
.createProxiedFileSystem(outPath.toUri(), ClusterHelper.getConfiguration(cluster));
OutputStream out = fs.create(outPath);
try {
marshaller.marshal(jaxbElement, out);
} finally {
out.close();
}
LOG.info("Marshalled {} to {}", jaxbElement.getDeclaredType(), outPath);
return outPath;
} catch (Exception e) {
throw new FalconException("Unable to marshall app object", e);
}
}
/**
* Run the job
*
* @param params The Job parameters containing the gramSize, input output folders, defaultCat,
* encoding
*/
public static void runJob(Parameters params) throws IOException {
Configurable client = new JobClient();
JobConf conf = new JobConf(BayesClassifierDriver.class);
conf.setJobName("Bayes Classifier Driver running over input: " + params.get("testDirPath"));
conf.setOutputKeyClass(StringTuple.class);
conf.setOutputValueClass(DoubleWritable.class);
FileInputFormat.setInputPaths(conf, new Path(params.get("testDirPath")));
Path outPath = new Path(params.get("testDirPath") + "-output");
FileOutputFormat.setOutputPath(conf, outPath);
conf.setInputFormat(KeyValueTextInputFormat.class);
conf.setMapperClass(BayesClassifierMapper.class);
conf.setCombinerClass(BayesClassifierReducer.class);
conf.setReducerClass(BayesClassifierReducer.class);
conf.setOutputFormat(SequenceFileOutputFormat.class);
conf.set(
"io.serializations",
"org.apache.hadoop.io.serializer.JavaSerialization,"
+ "org.apache.hadoop.io.serializer.WritableSerialization");
HadoopUtil.overwriteOutput(outPath);
conf.set("bayes.parameters", params.toString());
client.setConf(conf);
JobClient.runJob(conf);
Path outputFiles = new Path(outPath, "part*");
FileSystem dfs = FileSystem.get(outPath.toUri(), conf);
ConfusionMatrix matrix = readResult(dfs, outputFiles, conf, params);
log.info("{}", matrix.summarize());
}
@Test
public void testGetTokensForNamenodes() throws IOException {
Credentials credentials = new Credentials();
TokenCache.obtainTokensForNamenodesInternal(credentials, new Path[] {p1, p2}, jConf);
// this token is keyed by hostname:port key.
String fs_addr = SecurityUtil.buildDTServiceName(p1.toUri(), NameNode.DEFAULT_PORT);
Token<DelegationTokenIdentifier> nnt = TokenCache.getDelegationToken(credentials, fs_addr);
System.out.println("dt for " + p1 + "(" + fs_addr + ")" + " = " + nnt);
assertNotNull("Token for nn is null", nnt);
// verify the size
Collection<Token<? extends TokenIdentifier>> tns = credentials.getAllTokens();
assertEquals("number of tokens is not 1", 1, tns.size());
boolean found = false;
for (Token<? extends TokenIdentifier> t : tns) {
if (t.getKind().equals(DelegationTokenIdentifier.HDFS_DELEGATION_KIND)
&& t.getService().equals(new Text(fs_addr))) {
found = true;
}
assertTrue("didn't find token for " + p1, found);
}
}
/** It asserts the equality between an original table desc and a restored table desc. */
private static void assertSchemaEquality(String tableName, Schema schema)
throws IOException, TajoException {
Path path = new Path(CommonTestingUtil.getTestDir(), tableName);
TableDesc tableDesc =
new TableDesc(
IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName),
schema,
"TEXT",
new KeyValueSet(),
path.toUri());
// schema creation
assertFalse(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
catalog.createTable(tableDesc);
assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
// change it for the equals test.
schema.setQualifier(IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName));
TableDesc restored = catalog.getTableDesc(DEFAULT_DATABASE_NAME, tableName);
assertEquals(schema, restored.getSchema());
// drop test
catalog.dropTable(IdentifierUtil.buildFQName(DEFAULT_DATABASE_NAME, tableName));
assertFalse(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
}
public FSDataInputStream open(Path file, int bufferSize) throws IOException {
FTPClient client = connect();
Path workDir = new Path(client.printWorkingDirectory());
Path absolute = makeAbsolute(workDir, file);
FileStatus fileStat = getFileStatus(client, absolute);
if (fileStat.isDirectory()) {
disconnect(client);
throw new IOException("Path " + file + " is a directory.");
}
client.allocate(bufferSize);
Path parent = absolute.getParent();
// Change to parent directory on the
// server. Only then can we read the
// file
// on the server by opening up an InputStream. 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
// FSDataInputStream.
client.changeWorkingDirectory(parent.toUri().getPath());
InputStream is = client.retrieveFileStream(file.getName());
FSDataInputStream fis = new FSDataInputStream(new FTPInputStream(is, client, statistics));
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
fis.close();
throw new IOException("Unable to open file: " + file + ", Aborting");
}
return fis;
}