Examples with Volume org.apache.accumulo.core.volume.Volume used on opensource projects

Example 11 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class CleanUp method archiveFile.

protected void archiveFile(VolumeManager fs, String dir, Table.ID tableId) throws IOException {
    Path tableDirectory = new Path(dir, tableId.canonicalID());
    Volume v = fs.getVolumeByPath(tableDirectory);
    String basePath = v.getBasePath();
    // Path component of URI
    String tableDirPath = tableDirectory.toUri().getPath();
    // Just the suffix of the path (after the Volume's base path)
    String tableDirSuffix = tableDirPath.substring(basePath.length());
    // Remove a leading path separator char because Path will treat the "child" as an absolute path with it
    if (Path.SEPARATOR_CHAR == tableDirSuffix.charAt(0)) {
        if (tableDirSuffix.length() > 1) {
            tableDirSuffix = tableDirSuffix.substring(1);
        } else {
            tableDirSuffix = "";
        }
    }
    // Get the file archive directory on this volume
    final Path fileArchiveDir = new Path(basePath, ServerConstants.FILE_ARCHIVE_DIR);
    // Make sure it exists just to be safe
    fs.mkdirs(fileArchiveDir);
    // The destination to archive this table to
    final Path destTableDir = new Path(fileArchiveDir, tableDirSuffix);
    log.debug("Archiving " + tableDirectory + " to " + tableDirectory);
    if (fs.exists(destTableDir)) {
        merge(fs, tableDirectory, destTableDir);
    } else {
        fs.rename(tableDirectory, destTableDir);
    }
}

Example 12 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class VolumeManagerImpl method createNewFile.

@Override
public boolean createNewFile(Path path) throws IOException {
    requireNonNull(path);
    Volume v = getVolumeByPath(path);
    return v.getFileSystem().createNewFile(path);
}

Example 13 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class VolumeManagerImpl method isReady.

@Override
public boolean isReady() throws IOException {
    for (Volume volume : getFileSystems().values()) {
        final FileSystem fs = volume.getFileSystem();
        if (!(fs instanceof DistributedFileSystem))
            continue;
        final DistributedFileSystem dfs = (DistributedFileSystem) fs;
        // Returns true when safemode is on
        if (dfs.setSafeMode(SafeModeAction.SAFEMODE_GET)) {
            return false;
        }
    }
    return true;
}

Example 14 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class VolumeManagerImpl method create.

@Override
public FSDataOutputStream create(Path path, boolean overwrite, int bufferSize, short replication, long blockSize) throws IOException {
    requireNonNull(path);
    Volume v = getVolumeByPath(path);
    FileSystem fs = v.getFileSystem();
    blockSize = correctBlockSize(fs.getConf(), blockSize);
    bufferSize = correctBufferSize(fs.getConf(), bufferSize);
    return fs.create(path, overwrite, bufferSize, replication, blockSize);
}

Example 15 with Volume

use of org.apache.accumulo.core.volume.Volume in project accumulo by apache.

the class ChangeSecret method verifyHdfsWritePermission.

private static void verifyHdfsWritePermission(VolumeManager fs) throws Exception {
    for (Volume v : fs.getVolumes()) {
        final Path instanceId = ServerConstants.getInstanceIdLocation(v);
        FileStatus fileStatus = v.getFileSystem().getFileStatus(instanceId);
        checkHdfsAccessPermissions(fileStatus, FsAction.WRITE);
    }
}