List of usage examples for org.apache.hadoop.fs Path equals
@Override
public boolean equals(Object o)
From source file:cascading.tap.Hfs.java
License:Open Source License
@Override public void sourceInit(JobConf conf) throws IOException { Path qualifiedPath = getQualifiedPath(conf); for (Path exitingPath : FileInputFormat.getInputPaths(conf)) { if (exitingPath.equals(qualifiedPath)) throw new TapException("may not add duplicate paths, found: " + exitingPath); }//from w w w . j a va 2s . com FileInputFormat.addInputPath(conf, qualifiedPath); super.sourceInit(conf); makeLocal(conf, qualifiedPath, "forcing job to local mode, via source: "); TupleSerialization.setSerializations(conf); // allows Hfs to be used independent of Flow }
From source file:cascading.tap.hive.HiveTap.java
License:Open Source License
@Override public boolean resourceExists(JobConf conf) throws IOException { IMetaStoreClient metaStoreClient = null; try {//from w w w . j av a 2 s .c o m metaStoreClient = createMetaStoreClient(); Table table = metaStoreClient.getTable(tableDescriptor.getDatabaseName(), tableDescriptor.getTableName()); modifiedTime = table.getLastAccessTime(); // check if the schema matches the table descriptor. If not, throw an exception. if (strict) { LOG.info("strict mode: comparing existing hive table with table descriptor"); if (!table.getTableType().equals(tableDescriptor.toHiveTable().getTableType())) throw new HiveTableValidationException( String.format("expected a table of type '%s' but found '%s'", tableDescriptor.toHiveTable().getTableType(), table.getTableType())); // Check that the paths are the same FileSystem fs = FileSystem.get(conf); StorageDescriptor sd = table.getSd(); Path expectedPath = fs.makeQualified( new Path(tableDescriptor.getLocation(hiveConf.getVar(ConfVars.METASTOREWAREHOUSE)))); Path actualPath = fs.makeQualified(new Path(sd.getLocation())); if (!expectedPath.equals(actualPath)) throw new HiveTableValidationException( String.format("table in MetaStore does not have the sampe path. Expected %s got %s", expectedPath, actualPath)); List<FieldSchema> schemaList = sd.getCols(); if (schemaList.size() != tableDescriptor.getColumnNames().length - tableDescriptor.getPartitionKeys().length) throw new HiveTableValidationException(String.format( "table in MetaStore does not have same number of columns. expected %d got %d", tableDescriptor.getColumnNames().length - tableDescriptor.getPartitionKeys().length, schemaList.size())); for (int index = 0; index < schemaList.size(); index++) { FieldSchema schema = schemaList.get(index); String expectedColumnName = tableDescriptor.getColumnNames()[index]; String expectedColumnType = tableDescriptor.getColumnTypes()[index]; // this could be extended to the StorageDescriptor if necessary. if (!schema.getName().equalsIgnoreCase(expectedColumnName)) throw new HiveTableValidationException( String.format("hive schema mismatch: expected column name '%s', but found '%s'", expectedColumnName, schema.getName())); if (!schema.getType().equalsIgnoreCase(expectedColumnType)) throw new HiveTableValidationException( String.format("hive schema mismatch: expected column type '%s', but found '%s'", expectedColumnType, schema.getType())); } List<FieldSchema> schemaPartitions = table.getPartitionKeys(); if (schemaPartitions.size() != tableDescriptor.getPartitionKeys().length) throw new HiveTableValidationException(String.format( "table in MetaStore does not have same number of partition columns. expected %d got %d", tableDescriptor.getPartitionKeys().length, schemaPartitions.size())); int offset = tableDescriptor.getColumnNames().length - tableDescriptor.getPartitionKeys().length; for (int index = 0; index < schemaPartitions.size(); index++) { FieldSchema schema = schemaPartitions.get(index); String expectedColumnName = tableDescriptor.getColumnNames()[index + offset]; String expectedColumnType = tableDescriptor.getColumnTypes()[index + offset]; // this could be extended to the StorageDescriptor if necessary. if (!schema.getName().equalsIgnoreCase(expectedColumnName)) throw new HiveTableValidationException(String.format( "hive partition schema mismatch: expected column name '%s', but found '%s'", expectedColumnName, schema.getName())); if (!schema.getType().equalsIgnoreCase(expectedColumnType)) throw new HiveTableValidationException(String.format( "hive partition schema mismatch: expected column type '%s', but found '%s'", expectedColumnType, schema.getType())); } } return true; } catch (MetaException exception) { throw new IOException(exception); } catch (NoSuchObjectException exception) { return false; } catch (TException exception) { throw new IOException(exception); } finally { if (metaStoreClient != null) metaStoreClient.close(); } }
From source file:com.alexholmes.hdfsslurper.Configurator.java
License:Apache License
public static void validateSameFileSystem(Path p1, Path p2, Configuration config) throws IOException, ConfigSettingException { FileSystem fs1 = p1.getFileSystem(config); FileSystem fs2 = p2.getFileSystem(config); if (!compareFs(fs1, fs2)) { throw new ConfigSettingException("The two paths must exist on the same file system: " + p1 + "," + p2); }// w w w .j a v a 2 s. c o m if (p1.equals(p2)) { throw new ConfigSettingException("The paths must be distinct: " + p1); } }
From source file:com.aliyun.fs.oss.common.InMemoryFileSystemStore.java
License:Apache License
public Set<Path> listSubPaths(Path path) throws IOException { Path normalizedPath = normalize(path); // This is inefficient but more than adequate for testing purposes. Set<Path> subPaths = new LinkedHashSet<Path>(); for (Path p : inodes.tailMap(normalizedPath).keySet()) { if (normalizedPath.equals(p.getParent())) { subPaths.add(p);/*ww w . j a va 2s . co m*/ } } return subPaths; }
From source file:com.asakusafw.runtime.directio.hadoop.HadoopDataSourceCore.java
License:Apache License
private boolean isIn(FileStatus stat, Path temporary) { assert stat != null; assert temporary != null; Path path = stat.getPath(); if (path.equals(temporary) || HadoopDataSourceUtil.contains(temporary, path)) { return true; }// ww w. ja v a 2s . co m return false; }
From source file:com.asakusafw.runtime.directio.hadoop.HadoopDataSourceCore.java
License:Apache License
private List<FileStatus> normalize(List<FileStatus> stats, Path root, Path temporary) { assert stats != null; assert root != null; assert temporary != null; List<FileStatus> results = new ArrayList<>(); for (FileStatus stat : stats) { if (root.equals(stat.getPath()) == false && isIn(stat, temporary) == false) { results.add(stat);/*from w w w . j av a2 s . c o m*/ } } return results; }
From source file:com.blackberry.logdriver.admin.LogMaintenance.java
License:Apache License
@Override public int run(String[] args) throws Exception { Configuration conf = getConf(); // If run by Oozie, then load the Oozie conf too if (System.getProperty("oozie.action.conf.xml") != null) { conf.addResource(new URL("file://" + System.getProperty("oozie.action.conf.xml"))); }/*from ww w .j a va2 s.c o m*/ // For some reason, Oozie needs some options to be set in system instead of // in the confiuration. So copy the configs over. { Iterator<Entry<String, String>> i = conf.iterator(); while (i.hasNext()) { Entry<String, String> next = i.next(); System.setProperty(next.getKey(), next.getValue()); } } if (args.length < 3) { printUsage(); return 1; } String userName = args[0]; String dcNumber = args[1]; String service = args[2]; String date = null; String hour = null; if (args.length >= 4) { date = args[3]; } if (args.length >= 5) { hour = args[4]; } // Set from environment variables String mergeJobPropertiesFile = getConfOrEnv(conf, "MERGEJOB_CONF"); String filterJobPropertiesFile = getConfOrEnv(conf, "FILTERJOB_CONF"); String daysBeforeArchive = getConfOrEnv(conf, "DAYS_BEFORE_ARCHIVE"); String daysBeforeDelete = getConfOrEnv(conf, "DAYS_BEFORE_DELETE"); String maxConcurrentMR = getConfOrEnv(conf, "MAX_CONCURRENT_MR", "-1"); String zkConnectString = getConfOrEnv(conf, "ZK_CONNECT_STRING"); String logdir = getConfOrEnv(conf, "logdriver.logdir.name"); boolean resetOrphanedJobs = Boolean.parseBoolean(getConfOrEnv(conf, "reset.orphaned.jobs", "true")); String rootDir = getConfOrEnv(conf, "service.root.dir"); String maxTotalMR = getConfOrEnv(conf, "MAX_TOTAL_MR", "-1"); boolean doMerge = true; boolean doArchive = true; boolean doDelete = true; if (zkConnectString == null) { LOG.error("ZK_CONNECT_STRING is not set. Exiting."); return 1; } if (mergeJobPropertiesFile == null) { LOG.info("MERGEJOB_CONF is not set. Not merging."); doMerge = false; } if (filterJobPropertiesFile == null) { LOG.info("FILTERJOB_CONF is not set. Not archiving."); doArchive = false; } if (daysBeforeArchive == null) { LOG.info("DAYS_BEFORE_ARCHIVE is not set. Not archiving."); doArchive = false; } if (doArchive && Integer.parseInt(daysBeforeArchive) < 0) { LOG.info("DAYS_BEFORE_ARCHIVE is negative. Not archiving."); doArchive = false; } if (daysBeforeDelete == null) { LOG.info("DAYS_BEFORE_DELETE is not set. Not deleting."); doDelete = false; } if (doDelete && Integer.parseInt(daysBeforeDelete) < 0) { LOG.info("DAYS_BEFORE_DELETE is negative. Not deleting."); doDelete = false; } if (logdir == null) { LOG.info("LOGDRIVER_LOGDIR_NAME is not set. Using default value of 'logs'."); logdir = "logs"; } if (rootDir == null) { LOG.info("SERVICE_ROOT_DIR is not set. Using default value of 'service'."); rootDir = "/service"; } // We can hang if this fails. So make sure we abort if it fails. fs = null; try { fs = FileSystem.get(conf); fs.exists(new Path("/")); // Test if it works. } catch (IOException e) { LOG.error("Error getting filesystem.", e); return 1; } // Create the LockUtil instance lockUtil = new LockUtil(zkConnectString); // Now it's safe to create our Job Runner JobRunner jobRunner = new JobRunner(Integer.parseInt(maxConcurrentMR), Integer.parseInt(maxTotalMR)); Thread jobRunnerThread = new Thread(jobRunner); jobRunnerThread.setName("JobRunner"); jobRunnerThread.setDaemon(false); jobRunnerThread.start(); // Figure out what date we start filters on. String filterCutoffDate = ""; if (doArchive) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.DAY_OF_MONTH, Integer.parseInt("-" + daysBeforeArchive)); filterCutoffDate = String.format("%04d%02d%02d%02d", cal.get(Calendar.YEAR), (cal.get(Calendar.MONTH) + 1), cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.HOUR_OF_DAY)); LOG.info("Archiving logs from before {}", filterCutoffDate); } String deleteCutoffDate = ""; if (doDelete) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.DAY_OF_MONTH, Integer.parseInt("-" + daysBeforeDelete)); deleteCutoffDate = String.format("%04d%02d%02d%02d", cal.get(Calendar.YEAR), (cal.get(Calendar.MONTH) + 1), cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.HOUR_OF_DAY)); LOG.info("Deleting logs from before {}", deleteCutoffDate); } long now = System.currentTimeMillis(); // Various exceptions have been popping up here. So make sure I catch them // all. try { // Patterns to recognize hour, day and incoming directories, so that they // can be processed. Pattern datePathPattern; Pattern hourPathPattern; Pattern incomingPathPattern; Pattern dataPathPattern; Pattern archivePathPattern; Pattern workingPathPattern; if (hour != null) { datePathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")"); hourPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(" + Pattern.quote(hour) + ")"); incomingPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(" + Pattern.quote(hour) + ")/([^/]+)/incoming"); dataPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(" + Pattern.quote(hour) + ")/([^/]+)/data"); archivePathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(" + Pattern.quote(hour) + ")/([^/]+)/archive"); workingPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(" + Pattern.quote(hour) + ")/([^/]+)/working/([^/]+)_(\\d+)"); } else if (date != null) { datePathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")"); hourPathPattern = Pattern .compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(\\d{2})"); incomingPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(\\d{2})/([^/]+)/incoming"); dataPathPattern = Pattern .compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(\\d{2})/([^/]+)/data"); archivePathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(\\d{2})/([^/]+)/archive"); workingPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(" + Pattern.quote(date) + ")/(\\d{2})/([^/]+)/working/([^/]+)_(\\d+)"); } else { datePathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(\\d{8})"); hourPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(\\d{8})/(\\d{2})"); incomingPathPattern = Pattern .compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(\\d{8})/(\\d{2})/([^/]+)/incoming"); dataPathPattern = Pattern.compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(\\d{8})/(\\d{2})/([^/]+)/data"); archivePathPattern = Pattern .compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(\\d{8})/(\\d{2})/([^/]+)/archive"); workingPathPattern = Pattern .compile(rootDir + "/" + Pattern.quote(dcNumber) + "/" + Pattern.quote(service) + "/" + Pattern.quote(logdir) + "/(\\d{8})/(\\d{2})/([^/]+)/working/([^/]+)_(\\d+)"); } // Do a depth first search of the directory, processing anything that // looks // interesting along the way Deque<Path> paths = new ArrayDeque<Path>(); Path rootPath = new Path(rootDir + "/" + dcNumber + "/" + service + "/" + logdir + "/"); paths.push(rootPath); while (paths.size() > 0) { Path p = paths.pop(); LOG.debug("{}", p.toString()); if (!fs.exists(p)) { continue; } FileStatus dirStatus = fs.getFileStatus(p); FileStatus[] children = fs.listStatus(p); boolean addChildren = true; boolean old = dirStatus.getModificationTime() < now - WAIT_TIME; LOG.debug(" Was last modified {}ms ago", now - dirStatus.getModificationTime()); if (!old) { LOG.debug(" Skipping, since it's not old enough."); } else if ((!rootPath.equals(p)) && (children.length == 0 || (children.length == 1 && children[0].getPath().getName().equals(READY_MARKER)))) { // old and no children? Delete! LOG.info(" Deleting empty directory {}", p.toString()); fs.delete(p, true); } else { Matcher matcher = datePathPattern.matcher(p.toUri().getPath()); if (matcher.matches()) { LOG.debug("Checking date directory"); // If this is already done, then skip it. So only process if it // doesn't exist. if (fs.exists(new Path(p, READY_MARKER)) == false) { // Check each subdirectory. If they all have ready markers, then I // guess we're ready. boolean ready = true; for (FileStatus c : children) { if (c.isDirectory() && fs.exists(new Path(c.getPath(), READY_MARKER)) == false) { ready = false; break; } } if (ready) { fs.createNewFile(new Path(p, READY_MARKER)); } } } matcher = hourPathPattern.matcher(p.toUri().getPath()); if (matcher.matches()) { LOG.debug("Checking hour directory"); // If this is already done, then skip it. So only process if it // doesn't exist. if (fs.exists(new Path(p, READY_MARKER)) == false) { // Check each subdirectory. If they all have ready markers, then I // guess we're ready. boolean ready = true; for (FileStatus c : children) { if (c.isDirectory() && fs.exists(new Path(c.getPath(), READY_MARKER)) == false) { ready = false; break; } } if (ready) { fs.createNewFile(new Path(p, READY_MARKER)); } } } // Check to see if we have to run a merge matcher = incomingPathPattern.matcher(p.toUri().getPath()); if (matcher.matches()) { LOG.debug("Checking incoming directory"); String matchDate = matcher.group(1); String matchHour = matcher.group(2); String matchComponent = matcher.group(3); String timestamp = matchDate + matchHour; if (doDelete && timestamp.compareTo(deleteCutoffDate) < 0) { LOG.info("Deleting old directory: {}", p); fs.delete(p, true); addChildren = false; } else if (doMerge) { // old, looks right, and has children? Run it! boolean hasMatchingChildren = false; boolean subdirTooYoung = false; for (FileStatus child : children) { if (!hasMatchingChildren) { FileStatus[] grandchildren = fs.listStatus(child.getPath()); for (FileStatus gc : grandchildren) { if (VALID_FILE.matcher(gc.getPath().getName()).matches()) { hasMatchingChildren = true; break; } } } if (!subdirTooYoung) { if (child.getModificationTime() >= now - WAIT_TIME) { subdirTooYoung = true; LOG.debug(" Subdir {} is too young.", child.getPath()); } } } if (!hasMatchingChildren) { LOG.debug(" No files match the expected pattern ({})", VALID_FILE.pattern()); } if (hasMatchingChildren && !subdirTooYoung) { LOG.info(" Run Merge job {} :: {} {} {} {} {}", new Object[] { p.toString(), dcNumber, service, matchDate, matchHour, matchComponent }); Properties jobProps = new Properties(); jobProps.load(new FileInputStream(mergeJobPropertiesFile)); jobProps.setProperty("jobType", "merge"); jobProps.setProperty("rootDir", rootDir); jobProps.setProperty("dcNumber", dcNumber); jobProps.setProperty("service", service); jobProps.setProperty("date", matchDate); jobProps.setProperty("hour", matchHour); jobProps.setProperty("component", matchComponent); jobProps.setProperty("user.name", userName); jobProps.setProperty("logdir", logdir); jobRunner.submit(jobProps); addChildren = false; } } } // Check to see if we need to run a filter and archive matcher = dataPathPattern.matcher(p.toUri().getPath()); if (matcher.matches()) { String matchDate = matcher.group(1); String matchHour = matcher.group(2); String matchComponent = matcher.group(3); String timestamp = matchDate + matchHour; if (doDelete && timestamp.compareTo(deleteCutoffDate) < 0) { LOG.info("Deleting old directory: {}", p); fs.delete(p, true); addChildren = false; } else if (doArchive && timestamp.compareTo(filterCutoffDate) < 0) { Properties jobProps = new Properties(); jobProps.load(new FileInputStream(filterJobPropertiesFile)); jobProps.setProperty("jobType", "filter"); jobProps.setProperty("rootDir", rootDir); jobProps.setProperty("dcNumber", dcNumber); jobProps.setProperty("service", service); jobProps.setProperty("date", matchDate); jobProps.setProperty("hour", matchHour); jobProps.setProperty("component", matchComponent); jobProps.setProperty("user.name", userName); jobProps.setProperty("logdir", logdir); // Check to see if we should just keep all or delete all here. // The filter file should be here String appPath = jobProps.getProperty("oozie.wf.application.path"); appPath = appPath.replaceFirst("\\$\\{.*?\\}", ""); Path filterFile = new Path( appPath + "/" + conf.get("filter.definition.file", service + ".yaml")); LOG.info("Filter file is {}", filterFile); if (fs.exists(filterFile)) { List<BoomFilterMapper.Filter> filters = BoomFilterMapper.loadFilters(matchComponent, fs.open(filterFile)); if (filters == null) { LOG.warn( " Got null when getting filters. Not processing. {} :: {} {} {} {} {}", new Object[] { p.toString(), dcNumber, service, matchDate, matchHour, matchComponent }); } else if (filters.size() == 0) { LOG.warn(" Got no filters. Not processing. {} :: {} {} {} {} {}", new Object[] { p.toString(), dcNumber, service, matchDate, matchHour, matchComponent }); } else if (filters.size() == 1 && filters.get(0) instanceof BoomFilterMapper.KeepAllFilter) { LOG.info(" Keeping everything. {} :: {} {} {} {} {}", new Object[] { p.toString(), dcNumber, service, matchDate, matchHour, matchComponent }); // Move files from data to archive // delete it all! String destination = rootDir + "/" + dcNumber + "/" + service + "/" + logdir + "/" + matchDate + "/" + matchHour + "/" + matchComponent + "/archive/"; PathInfo pathInfo = new PathInfo(); pathInfo.setDcNumber(dcNumber); pathInfo.setService(service); pathInfo.setLogdir(logdir); pathInfo.setDate(matchDate); pathInfo.setHour(matchHour); pathInfo.setComponent(matchComponent); try { lockUtil.acquireWriteLock(lockUtil.getLockPath(pathInfo)); fs.mkdirs(new Path(destination)); for (FileStatus f : fs.listStatus(p)) { fs.rename(f.getPath(), new Path(destination)); } } finally { lockUtil.releaseWriteLock(lockUtil.getLockPath(pathInfo)); } } else if (filters.size() == 1 && filters.get(0) instanceof BoomFilterMapper.DropAllFilter) { LOG.info(" Dropping everything. {} :: {} {} {} {} {}", new Object[] { p.toString(), dcNumber, service, matchDate, matchHour, matchComponent }); PathInfo pathInfo = new PathInfo(); pathInfo.setDcNumber(dcNumber); pathInfo.setService(service); pathInfo.setLogdir(logdir); pathInfo.setDate(matchDate); pathInfo.setHour(matchHour); pathInfo.setComponent(matchComponent); try { lockUtil.acquireWriteLock(lockUtil.getLockPath(pathInfo)); fs.delete(p, true); } finally { lockUtil.releaseWriteLock(lockUtil.getLockPath(pathInfo)); } } else { LOG.info(" Run Filter/Archive job {} :: {} {} {} {} {}", new Object[] { p.toString(), dcNumber, service, matchDate, matchHour, matchComponent }); jobRunner.submit(jobProps); } } else { LOG.warn("Skipping filter job, since no filter file exists"); } addChildren = false; } } matcher = archivePathPattern.matcher(p.toUri().getPath()); if (matcher.matches()) { String matchDate = matcher.group(1); String matchHour = matcher.group(2); String timestamp = matchDate + matchHour; if (doDelete && timestamp.compareTo(deleteCutoffDate) < 0) { LOG.info("Deleting old directory: {}", p); fs.delete(p, true); addChildren = false; } } matcher = workingPathPattern.matcher(p.toUri().getPath()); if (matcher.matches()) { LOG.info(" Matches working pattern ({})", p); if (resetOrphanedJobs) { String matchDate = matcher.group(1); String matchHour = matcher.group(2); String matchComponent = matcher.group(3); // Move everything from working/xxx/incoming/ to incoming/ PathInfo lockPathInfo = new PathInfo(logdir, rootDir + "/" + dcNumber + "/" + service + "/" + logdir + "/" + matchDate + "/" + matchHour + "/" + matchComponent); lockUtil.acquireWriteLock(lockUtil.getLockPath(lockPathInfo)); FileStatus[] fileStatuses = fs.listStatus(new Path(p.toUri().getPath() + "/incoming/")); if (fileStatuses != null) { for (FileStatus fileStatus : fileStatuses) { Path toPath = new Path( fileStatus.getPath().getParent().getParent().getParent().getParent(), "incoming/" + fileStatus.getPath().getName()); LOG.info(" Moving data from {} to {}", fileStatus.getPath(), toPath); LOG.info(" mkdir {}", toPath); fs.mkdirs(toPath); Path fromDir = new Path(p.toUri().getPath(), "incoming/" + fileStatus.getPath().getName()); LOG.info(" moving from {}", fromDir); FileStatus[] files = fs.listStatus(fromDir); if (files == null || files.length == 0) { LOG.info(" Nothing to move from {}", fromDir); } else { for (FileStatus f : files) { LOG.info(" rename {} {}", f.getPath(), new Path(toPath, f.getPath().getName())); fs.rename(f.getPath(), new Path(toPath, f.getPath().getName())); } } LOG.info(" rm {}", fileStatus.getPath()); fs.delete(fileStatus.getPath(), true); } lockUtil.releaseWriteLock(lockUtil.getLockPath(lockPathInfo)); fs.delete(new Path(p.toUri().getPath()), true); } } addChildren = false; } } // Add any children which are directories to the stack. if (addChildren) { for (int i = children.length - 1; i >= 0; i--) { FileStatus child = children[i]; if (child.isDirectory()) { paths.push(child.getPath()); } } } } // Since we may have deleted a bunch of directories, delete any unused // locks // from ZooKeeper. { LOG.info("Checking for unused locks in ZooKeeper"); String scanPath = rootDir + "/" + dcNumber + "/" + service + "/" + logdir; if (date != null) { scanPath += "/" + date; if (hour != null) { scanPath += "/" + hour; } } List<LockInfo> lockInfo = lockUtil.scan(scanPath); for (LockInfo li : lockInfo) { // Check if the lock path still exists in HDFS. If it doesn't, then // delete it from ZooKeeper. String path = li.getPath(); String hdfsPath = path.substring(LockUtil.ROOT.length()); if (!fs.exists(new Path(hdfsPath))) { ZooKeeper zk = lockUtil.getZkClient(); while (!path.equals(LockUtil.ROOT)) { try { zk.delete(path, -1); } catch (KeeperException.NotEmptyException e) { // That's fine. just stop trying then. break; } catch (Exception e) { LOG.error("Caught exception trying to delete from ZooKeeper.", e); break; } LOG.info("Deleted from ZooKeeper: {}", path); path = path.substring(0, path.lastIndexOf('/')); } } } } // Now that we're done, wait for the Oozie Runner to stop, and print the // results. LOG.info("Waiting for Oozie jobs to complete."); jobRunner.shutdown(); jobRunnerThread.join(); LOG.info("Job Stats : Started={} Succeeded={} failed={} errors={}", new Object[] { jobRunner.getStarted(), jobRunner.getSucceeded(), jobRunner.getFailed(), jobRunner.getErrors() }); lockUtil.close(); } catch (Exception e) { LOG.error("Unexpected exception caught.", e); return 1; } return 0; }
From source file:com.ceph.rados.fs.hdfs.RadosFileSystem.java
License:Apache License
@Override public boolean rename(Path src, Path dst) throws IOException { Path absoluteSrc = makeAbsolute(src); final String debugPreamble = "Renaming '" + src + "' to '" + dst + "' - "; INode srcINode = store.retrieveINode(absoluteSrc); boolean debugEnabled = LOG.isDebugEnabled(); if (srcINode == null) { // src path doesn't exist if (debugEnabled) { LOG.debug(debugPreamble + "returning false as src does not exist"); }// ww w .j a v a 2 s . c o m return false; } Path absoluteDst = makeAbsolute(dst); //validate the parent dir of the destination Path dstParent = absoluteDst.getParent(); if (dstParent != null) { //if the dst parent is not root, make sure it exists INode dstParentINode = store.retrieveINode(dstParent); if (dstParentINode == null) { // dst parent doesn't exist if (debugEnabled) { LOG.debug(debugPreamble + "returning false as dst parent does not exist"); } return false; } if (dstParentINode.isFile()) { // dst parent exists but is a file if (debugEnabled) { LOG.debug(debugPreamble + "returning false as dst parent exists and is a file"); } return false; } } //get status of source boolean srcIsFile = srcINode.isFile(); INode dstINode = store.retrieveINode(absoluteDst); boolean destExists = dstINode != null; boolean destIsDir = destExists && !dstINode.isFile(); if (srcIsFile) { //source is a simple file if (destExists) { if (destIsDir) { //outcome #1 dest exists and is dir -filename to subdir of dest if (debugEnabled) { LOG.debug(debugPreamble + "copying src file under dest dir to " + absoluteDst); } absoluteDst = new Path(absoluteDst, absoluteSrc.getName()); } else { //outcome #2 dest it's a file: fail iff different from src boolean renamingOnToSelf = absoluteSrc.equals(absoluteDst); if (debugEnabled) { LOG.debug(debugPreamble + "copying file onto file, outcome is " + renamingOnToSelf); } return renamingOnToSelf; } } else { // #3 dest does not exist: use dest as path for rename if (debugEnabled) { LOG.debug(debugPreamble + "copying file onto file"); } } } else { //here the source exists and is a directory // outcomes (given we know the parent dir exists if we get this far) // #1 destination is a file: fail // #2 destination is a directory: create a new dir under that one // #3 destination doesn't exist: create a new dir with that name // #3 and #4 are only allowed if the dest path is not == or under src if (destExists) { if (!destIsDir) { // #1 destination is a file: fail if (debugEnabled) { LOG.debug(debugPreamble + "returning false as src is a directory, but not dest"); } return false; } else { // the destination dir exists // destination for rename becomes a subdir of the target name absoluteDst = new Path(absoluteDst, absoluteSrc.getName()); if (debugEnabled) { LOG.debug(debugPreamble + "copying src dir under dest dir to " + absoluteDst); } } } //the final destination directory is now know, so validate it for //illegal moves if (absoluteSrc.equals(absoluteDst)) { //you can't rename a directory onto itself if (debugEnabled) { LOG.debug(debugPreamble + "Dest==source && isDir -failing"); } return false; } if (absoluteDst.toString().startsWith(absoluteSrc.toString() + "/")) { //you can't move a directory under itself if (debugEnabled) { LOG.debug(debugPreamble + "dst is equal to or under src dir -failing"); } return false; } } //here the dest path is set up -so rename return renameRecursive(absoluteSrc, absoluteDst); }
From source file:com.cloudera.cdk.morphline.hadoop.rcfile.SingleStreamFileSystem.java
License:Apache License
@Override public FSDataInputStream open(final Path f, final int bufferSize) throws IOException { if (f.equals(path)) { return inputStream; }/*from w ww. j ava2 s . c o m*/ throw new UnsupportedOperationException("Path " + f.getName() + " is not found"); }
From source file:com.cloudera.hadoop.hdfs.nfs.nfs4.BaseClient.java
License:Apache License
protected FileHandle lookup(Path path) throws NFS4Exception { Path parent;//from ww w. j av a2s. c o m LOGGER.info("Lookup on " + path); if (path.equals(ROOT)) { parent = path; } else { parent = path.getParent(); } FileHandle parentFileHandle = mPathFileHandleMap.get(parent); if (parentFileHandle == null) { parentFileHandle = lookup(parent); } if (parent.equals(path)) { return parentFileHandle; } CompoundRequest compoundRequest = newRequest(); List<OperationRequest> operations = Lists.newArrayList(); PUTFHRequest putFhRequest = new PUTFHRequest(); putFhRequest.setFileHandle(parentFileHandle); operations.add(putFhRequest); LOOKUPRequest lookupRequest = new LOOKUPRequest(); lookupRequest.setName(path.getName()); operations.add(lookupRequest); operations.add(new GETFHRequest()); operations.add(newGETATTRRequest()); compoundRequest.setOperations(operations); List<OperationResponse> operationResponses = getResult(compoundRequest); getResponse(operationResponses.remove(0), PUTFHResponse.class); getResponse(operationResponses.remove(0), LOOKUPResponse.class); GETFHResponse getFHResponse = getResponse(operationResponses.remove(0), GETFHResponse.class); FileHandle fileHandle = getFHResponse.getFileHandle(); mPathFileHandleMap.put(path, fileHandle); mFileHandlePathMap.put(fileHandle, path); GETATTRResponse getAttrResponse = getResponse(operationResponses.remove(0), GETATTRResponse.class); mFileHandleAttributeMap.put(fileHandle, getAttrResponse.getAttrValues()); return fileHandle; }