Examples with BlockLocation alluxio.wire.BlockLocation used on opensource projects

Example 11 with BlockLocation

use of alluxio.wire.BlockLocation in project alluxio by Alluxio.

the class AlluxioMasterRestServiceHandler method getWebUIBrowse.

/**
 * Gets Web UI browse page data.
 *
 * @param requestPath the request path
 * @param requestOffset the request offset
 * @param requestEnd the request end
 * @param requestLimit the request limit
 * @return the response object
 */
@GET
@Path(WEBUI_BROWSE)
public Response getWebUIBrowse(@DefaultValue("/") @QueryParam("path") String requestPath, @DefaultValue("0") @QueryParam("offset") String requestOffset, @DefaultValue("") @QueryParam("end") String requestEnd, @DefaultValue("20") @QueryParam("limit") String requestLimit) {
    return RestUtils.call(() -> {
        MasterWebUIBrowse response = new MasterWebUIBrowse();
        if (!ServerConfiguration.getBoolean(PropertyKey.WEB_FILE_INFO_ENABLED)) {
            return response;
        }
        if (SecurityUtils.isSecurityEnabled(ServerConfiguration.global()) && AuthenticatedClientUser.get(ServerConfiguration.global()) == null) {
            AuthenticatedClientUser.set(ServerUserState.global().getUser().getName());
        }
        response.setDebug(ServerConfiguration.getBoolean(PropertyKey.DEBUG)).setShowPermissions(ServerConfiguration.getBoolean(PropertyKey.SECURITY_AUTHORIZATION_PERMISSION_ENABLED)).setMasterNodeAddress(mMasterProcess.getRpcAddress().toString()).setInvalidPathError("");
        List<FileInfo> filesInfo;
        String path = URLDecoder.decode(requestPath, "UTF-8");
        if (path.isEmpty()) {
            path = AlluxioURI.SEPARATOR;
        }
        AlluxioURI currentPath = new AlluxioURI(path);
        response.setCurrentPath(currentPath.toString()).setViewingOffset(0);
        try {
            long fileId = mFileSystemMaster.getFileId(currentPath);
            FileInfo fileInfo = mFileSystemMaster.getFileInfo(fileId);
            UIFileInfo currentFileInfo = new UIFileInfo(fileInfo, ServerConfiguration.global(), new MasterStorageTierAssoc().getOrderedStorageAliases());
            if (currentFileInfo.getAbsolutePath() == null) {
                throw new FileDoesNotExistException(currentPath.toString());
            }
            response.setCurrentDirectory(currentFileInfo).setBlockSizeBytes(currentFileInfo.getBlockSizeBytes());
            if (!currentFileInfo.getIsDirectory()) {
                long relativeOffset = 0;
                long offset;
                try {
                    if (requestOffset != null) {
                        relativeOffset = Long.parseLong(requestOffset);
                    }
                } catch (NumberFormatException e) {
                // ignore the exception
                }
                // relative to the end of the file.
                if (requestEnd.equals("")) {
                    offset = relativeOffset;
                } else {
                    offset = fileInfo.getLength() - relativeOffset;
                }
                if (offset < 0) {
                    offset = 0;
                } else if (offset > fileInfo.getLength()) {
                    offset = fileInfo.getLength();
                }
                try {
                    AlluxioURI absolutePath = new AlluxioURI(currentFileInfo.getAbsolutePath());
                    FileSystem fs = mFsClient;
                    String fileData;
                    URIStatus status = fs.getStatus(absolutePath);
                    if (status.isCompleted()) {
                        OpenFilePOptions options = OpenFilePOptions.newBuilder().setReadType(ReadPType.NO_CACHE).build();
                        try (FileInStream is = fs.openFile(absolutePath, options)) {
                            int len = (int) Math.min(5L * Constants.KB, status.getLength() - offset);
                            byte[] data = new byte[len];
                            long skipped = is.skip(offset);
                            if (skipped < 0) {
                                // nothing was skipped
                                fileData = "Unable to traverse to offset; is file empty?";
                            } else if (skipped < offset) {
                                // couldn't skip all the way to offset
                                fileData = "Unable to traverse to offset; is offset larger than the file?";
                            } else {
                                // read may not read up to len, so only convert what was read
                                int read = is.read(data, 0, len);
                                if (read < 0) {
                                    // stream couldn't read anything, skip went to EOF?
                                    fileData = "Unable to read file";
                                } else {
                                    fileData = WebUtils.convertByteArrayToStringWithoutEscape(data, 0, read);
                                }
                            }
                        }
                    } else {
                        fileData = "The requested file is not complete yet.";
                    }
                    List<UIFileBlockInfo> uiBlockInfo = new ArrayList<>();
                    for (FileBlockInfo fileBlockInfo : mFileSystemMaster.getFileBlockInfoList(absolutePath)) {
                        uiBlockInfo.add(new UIFileBlockInfo(fileBlockInfo, ServerConfiguration.global()));
                    }
                    response.setFileBlocks(uiBlockInfo).setFileData(fileData).setHighestTierAlias(mBlockMaster.getGlobalStorageTierAssoc().getAlias(0));
                } catch (AlluxioException e) {
                    throw new IOException(e);
                }
                response.setViewingOffset(offset);
                return response;
            }
            if (currentPath.isRoot()) {
                response.setPathInfos(new UIFileInfo[0]);
            } else {
                String[] splitPath = PathUtils.getPathComponents(currentPath.toString());
                UIFileInfo[] pathInfos = new UIFileInfo[splitPath.length - 1];
                fileId = mFileSystemMaster.getFileId(currentPath);
                pathInfos[0] = new UIFileInfo(mFileSystemMaster.getFileInfo(fileId), ServerConfiguration.global(), new MasterStorageTierAssoc().getOrderedStorageAliases());
                AlluxioURI breadcrumb = new AlluxioURI(AlluxioURI.SEPARATOR);
                for (int i = 1; i < splitPath.length - 1; i++) {
                    breadcrumb = breadcrumb.join(splitPath[i]);
                    fileId = mFileSystemMaster.getFileId(breadcrumb);
                    pathInfos[i] = new UIFileInfo(mFileSystemMaster.getFileInfo(fileId), ServerConfiguration.global(), new MasterStorageTierAssoc().getOrderedStorageAliases());
                }
                response.setPathInfos(pathInfos);
            }
            filesInfo = mFileSystemMaster.listStatus(currentPath, ListStatusContext.defaults());
        } catch (FileDoesNotExistException e) {
            response.setInvalidPathError("Error: Invalid Path " + e.getMessage());
            return response;
        } catch (InvalidPathException e) {
            response.setInvalidPathError("Error: Invalid Path " + e.getLocalizedMessage());
            return response;
        } catch (UnavailableException e) {
            response.setInvalidPathError("The service is temporarily unavailable. " + e.getMessage());
            return response;
        } catch (IOException e) {
            response.setInvalidPathError("Error: File " + currentPath + " is not available " + e.getMessage());
            return response;
        } catch (AccessControlException e) {
            response.setInvalidPathError("Error: File " + currentPath + " cannot be accessed " + e.getMessage());
            return response;
        }
        List<UIFileInfo> fileInfos = new ArrayList<>(filesInfo.size());
        for (FileInfo fileInfo : filesInfo) {
            UIFileInfo toAdd = new UIFileInfo(fileInfo, ServerConfiguration.global(), new MasterStorageTierAssoc().getOrderedStorageAliases());
            try {
                if (!toAdd.getIsDirectory() && fileInfo.getLength() > 0) {
                    FileBlockInfo blockInfo = mFileSystemMaster.getFileBlockInfoList(new AlluxioURI(toAdd.getAbsolutePath())).get(0);
                    List<String> locations = new ArrayList<>();
                    // add the in-Alluxio block locations
                    for (BlockLocation location : blockInfo.getBlockInfo().getLocations()) {
                        WorkerNetAddress address = location.getWorkerAddress();
                        locations.add(address.getHost() + ":" + address.getDataPort());
                    }
                    // add underFS locations
                    locations.addAll(blockInfo.getUfsLocations());
                    toAdd.setFileLocations(locations);
                }
            } catch (FileDoesNotExistException e) {
                response.setFileDoesNotExistException("Error: non-existing file " + e.getMessage());
                return response;
            } catch (InvalidPathException e) {
                response.setInvalidPathException("Error: invalid path " + e.getMessage());
                return response;
            } catch (AccessControlException e) {
                response.setAccessControlException("Error: File " + currentPath + " cannot be accessed " + e.getMessage());
                return response;
            }
            fileInfos.add(toAdd);
        }
        fileInfos.sort(UIFileInfo.PATH_STRING_COMPARE);
        response.setNTotalFile(fileInfos.size());
        try {
            int offset = Integer.parseInt(requestOffset);
            int limit = Integer.parseInt(requestLimit);
            limit = offset == 0 && limit > fileInfos.size() ? fileInfos.size() : limit;
            limit = offset + limit > fileInfos.size() ? fileInfos.size() - offset : limit;
            int sum = Math.addExact(offset, limit);
            fileInfos = fileInfos.subList(offset, sum);
            response.setFileInfos(fileInfos);
        } catch (NumberFormatException e) {
            response.setFatalError("Error: offset or limit parse error, " + e.getLocalizedMessage());
            return response;
        } catch (ArithmeticException e) {
            response.setFatalError("Error: offset or offset + limit is out of bound, " + e.getLocalizedMessage());
            return response;
        } catch (IllegalArgumentException e) {
            response.setFatalError(e.getLocalizedMessage());
            return response;
        }
        return response;
    }, ServerConfiguration.global());
}

Example 12 with BlockLocation

use of alluxio.wire.BlockLocation in project alluxio by Alluxio.

the class ReplicationChecker method findMisplacedBlock.

/**
 * Find a set of from and to locations for our moveBlock operation.
 * After the move, the file will be in the desired pinned medium at least minReplication times.
 *
 * @param file the file to scan for misplaced blocks
 * @param blockInfo blockInfo containing information about the block locations
 * @return a map that maps from workerHost to desired medium
 */
private Map<String, String> findMisplacedBlock(InodeFile file, BlockInfo blockInfo) {
    Set<String> pinnedMediumTypes = file.getMediumTypes();
    if (pinnedMediumTypes.isEmpty()) {
        // nothing needs to be moved
        return Collections.emptyMap();
    }
    Map<String, String> movement = new HashMap<>();
    // at least pinned to one medium type
    String firstPinnedMedium = pinnedMediumTypes.iterator().next();
    int minReplication = file.getReplicationMin();
    int correctReplication = 0;
    List<String> candidates = new ArrayList<>();
    for (BlockLocation loc : blockInfo.getLocations()) {
        if (pinnedMediumTypes.contains(loc.getMediumType())) {
            correctReplication++;
        } else {
            candidates.add(loc.getWorkerAddress().getHost());
        }
    }
    if (correctReplication >= minReplication) {
        // there are more than minReplication in the right location
        return Collections.emptyMap();
    } else {
        int toMove = minReplication - correctReplication;
        for (String candidate : candidates) {
            // We are only addressing pinning to a single medium case, in the future we might
            // address pinning to multiple medium types.
            movement.put(candidate, firstPinnedMedium);
            toMove--;
            if (toMove == 0) {
                return movement;
            }
        }
    }
    return movement;
}

Example 13 with BlockLocation

use of alluxio.wire.BlockLocation in project alluxio by Alluxio.

the class BlockMasterTestUtils method verifyBlockOnWorkers.

public static void verifyBlockOnWorkers(BlockMaster blockMaster, long blockId, long blockLength, List<WorkerInfo> workers) throws Exception {
    BlockInfo blockInfo = blockMaster.getBlockInfo(blockId);
    assertEquals(blockLength, blockInfo.getLength());
    assertEquals(workers.size(), blockInfo.getLocations().size());
    List<BlockLocation> expectedLocations = new ArrayList<>();
    for (WorkerInfo w : workers) {
        expectedLocations.add(new BlockLocation().setWorkerAddress(w.getAddress()).setWorkerId(w.getId()).setMediumType("MEM").setTierAlias("MEM"));
    }
    assertEquals(blockLength, blockInfo.getLength());
    assertEquals(expectedLocations.size(), blockInfo.getLocations().size());
    assertEquals(new HashSet<>(expectedLocations), new HashSet<>(blockInfo.getLocations()));
}

Example 14 with BlockLocation

use of alluxio.wire.BlockLocation in project alluxio by Alluxio.

the class BatchedJobDefinitionTest method batchPersist.

@Test
public void batchPersist() throws Exception {
    AlluxioURI uri = new AlluxioURI("/test");
    PersistConfig config = new PersistConfig(uri.getPath(), -1, true, "");
    HashSet<Map<String, String>> configs = Sets.newHashSet();
    ObjectMapper oMapper = new ObjectMapper();
    Map<String, String> map = oMapper.convertValue(config, Map.class);
    configs.add(map);
    BatchedJobConfig batchedJobConfig = new BatchedJobConfig("Persist", configs);
    WorkerNetAddress workerNetAddress = new WorkerNetAddress().setDataPort(10);
    WorkerInfo workerInfo = new WorkerInfo().setAddress(workerNetAddress);
    long blockId = 1;
    BlockInfo blockInfo = new BlockInfo().setBlockId(blockId);
    FileBlockInfo fileBlockInfo = new FileBlockInfo().setBlockInfo(blockInfo);
    BlockLocation location = new BlockLocation();
    location.setWorkerAddress(workerNetAddress);
    blockInfo.setLocations(Lists.newArrayList(location));
    FileInfo testFileInfo = new FileInfo();
    testFileInfo.setFileBlockInfos(Lists.newArrayList(fileBlockInfo));
    Mockito.when(mMockFileSystem.getStatus(uri)).thenReturn(new URIStatus(testFileInfo));
    Set<Pair<WorkerInfo, BatchedJobDefinition.BatchedJobTask>> result = new BatchedJobDefinition().selectExecutors(batchedJobConfig, Lists.newArrayList(workerInfo), new SelectExecutorsContext(1, mJobServerContext));
    System.out.println(result);
    Assert.assertNull(result.iterator().next().getSecond().getJobTaskArgs());
    Assert.assertEquals(1, result.size());
    Assert.assertEquals(workerInfo, result.iterator().next().getFirst());
}

Example 15 with BlockLocation

use of alluxio.wire.BlockLocation in project alluxio by Alluxio.

the class MigrateDefinitionSelectExecutorsTest method createFileWithBlocksOnWorkers.

/**
 * Creates a file with the given name and a block on each specified worker. Workers may be
 * repeated to give them multiple blocks.
 *
 * @param testFile the name of the file to create
 * @param fileInfo file info to apply to the created file
 * @param workerInds the workers to put blocks on, specified by their indices
 * @return file info for the created file
 */
private FileInfo createFileWithBlocksOnWorkers(String testFile, FileInfo fileInfo, int... workerInds) throws Exception {
    AlluxioURI uri = new AlluxioURI(testFile);
    List<FileBlockInfo> blockInfos = Lists.newArrayList();
    for (int workerInd : workerInds) {
        WorkerNetAddress address = JOB_WORKERS.get(workerInd).getAddress();
        blockInfos.add(new FileBlockInfo().setBlockInfo(new BlockInfo().setLocations(Lists.newArrayList(new BlockLocation().setWorkerAddress(address)))));
    }
    FileInfo testFileInfo = fileInfo.setFolder(false).setPath(testFile).setFileBlockInfos(blockInfos);
    when(mMockFileSystem.listStatus(uri)).thenReturn(Lists.newArrayList(new URIStatus(testFileInfo)));
    when(mMockFileSystem.getStatus(uri)).thenReturn(new URIStatus(testFileInfo));
    return testFileInfo;
}