Examples with DeserializationException org.apache.hadoop.hbase.exceptions.DeserializationException used on opensource projects

Example 56 with DeserializationException

use of org.apache.hadoop.hbase.exceptions.DeserializationException in project hbase by apache.

the class VisibilityController method preScannerOpen.

@Override
public RegionScanner preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e, Scan scan, RegionScanner s) throws IOException {
    if (!initialized) {
        throw new VisibilityControllerNotReadyException("VisibilityController not yet initialized!");
    }
    // Nothing to do if authorization is not enabled
    if (!authorizationEnabled) {
        return s;
    }
    Region region = e.getEnvironment().getRegion();
    Authorizations authorizations = null;
    try {
        authorizations = scan.getAuthorizations();
    } catch (DeserializationException de) {
        throw new IOException(de);
    }
    if (authorizations == null) {
        // No Authorizations present for this scan/Get!
        // In case of system tables other than "labels" just scan with out visibility check and
        // filtering. Checking visibility labels for META and NAMESPACE table is not needed.
        TableName table = region.getRegionInfo().getTable();
        if (table.isSystemTable() && !table.equals(LABELS_TABLE_NAME)) {
            return s;
        }
    }
    Filter visibilityLabelFilter = VisibilityUtils.createVisibilityLabelFilter(region, authorizations);
    if (visibilityLabelFilter != null) {
        Filter filter = scan.getFilter();
        if (filter != null) {
            scan.setFilter(new FilterList(filter, visibilityLabelFilter));
        } else {
            scan.setFilter(visibilityLabelFilter);
        }
    }
    return s;
}

Example 57 with DeserializationException

use of org.apache.hadoop.hbase.exceptions.DeserializationException in project hbase by apache.

the class FSUtils method getClusterId.

/**
 * Returns the value of the unique cluster ID stored for this HBase instance.
 * @param fs the root directory FileSystem
 * @param rootdir the path to the HBase root directory
 * @return the unique cluster identifier
 * @throws IOException if reading the cluster ID file fails
 */
public static ClusterId getClusterId(FileSystem fs, Path rootdir) throws IOException {
    Path idPath = new Path(rootdir, HConstants.CLUSTER_ID_FILE_NAME);
    ClusterId clusterId = null;
    FileStatus status = fs.exists(idPath) ? fs.getFileStatus(idPath) : null;
    if (status != null) {
        int len = Ints.checkedCast(status.getLen());
        byte[] content = new byte[len];
        FSDataInputStream in = fs.open(idPath);
        try {
            in.readFully(content);
        } catch (EOFException eof) {
            LOG.warn("Cluster ID file {} is empty", idPath);
        } finally {
            in.close();
        }
        try {
            clusterId = ClusterId.parseFrom(content);
        } catch (DeserializationException e) {
            throw new IOException("content=" + Bytes.toString(content), e);
        }
        // If not pb'd, make it so.
        if (!ProtobufUtil.isPBMagicPrefix(content)) {
            String cid = null;
            in = fs.open(idPath);
            try {
                cid = in.readUTF();
                clusterId = new ClusterId(cid);
            } catch (EOFException eof) {
                LOG.warn("Cluster ID file {} is empty", idPath);
            } finally {
                in.close();
            }
            rewriteAsPb(fs, rootdir, idPath, clusterId);
        }
        return clusterId;
    } else {
        LOG.warn("Cluster ID file does not exist at {}", idPath);
    }
    return clusterId;
}

Example 58 with DeserializationException

use of org.apache.hadoop.hbase.exceptions.DeserializationException in project hbase by apache.

the class RegionInfo method parseFrom.

/**
 * @param bytes A pb RegionInfo serialized with a pb magic prefix.
 * @param offset starting point in the byte array
 * @param len length to read on the byte array
 * @return A deserialized {@link RegionInfo}
 */
@InterfaceAudience.Private
static RegionInfo parseFrom(final byte[] bytes, int offset, int len) throws DeserializationException {
    if (ProtobufUtil.isPBMagicPrefix(bytes, offset, len)) {
        int pblen = ProtobufUtil.lengthOfPBMagic();
        try {
            HBaseProtos.RegionInfo.Builder builder = HBaseProtos.RegionInfo.newBuilder();
            ProtobufUtil.mergeFrom(builder, bytes, pblen + offset, len - pblen);
            HBaseProtos.RegionInfo ri = builder.build();
            return ProtobufUtil.toRegionInfo(ri);
        } catch (IOException e) {
            throw new DeserializationException(e);
        }
    } else {
        throw new DeserializationException("PB encoded RegionInfo expected");
    }
}

Example 59 with DeserializationException

use of org.apache.hadoop.hbase.exceptions.DeserializationException in project hbase by apache.

the class VisibilityController method createNewCellWithTags.

private Cell createNewCellWithTags(Mutation mutation, Cell newCell) throws IOException {
    List<Tag> tags = Lists.newArrayList();
    CellVisibility cellVisibility = null;
    try {
        cellVisibility = mutation.getCellVisibility();
    } catch (DeserializationException e) {
        throw new IOException(e);
    }
    if (cellVisibility == null) {
        return newCell;
    }
    // Prepend new visibility tags to a new list of tags for the cell
    // Don't check user auths for labels with Mutations when the user is super user
    boolean authCheck = authorizationEnabled && checkAuths && !(isSystemOrSuperUser());
    tags.addAll(this.visibilityLabelService.createVisibilityExpTags(cellVisibility.getExpression(), true, authCheck));
    // Carry forward all other tags
    Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(newCell);
    while (tagsItr.hasNext()) {
        Tag tag = tagsItr.next();
        if (tag.getType() != TagType.VISIBILITY_TAG_TYPE && tag.getType() != TagType.VISIBILITY_EXP_SERIALIZATION_FORMAT_TAG_TYPE) {
            tags.add(tag);
        }
    }
    return PrivateCellUtil.createCell(newCell, tags);
}

Example 60 with DeserializationException

use of org.apache.hadoop.hbase.exceptions.DeserializationException in project hbase by apache.

the class VisibilityController method preScannerOpen.

@Override
public void preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e, Scan scan) throws IOException {
    if (!initialized) {
        throw new VisibilityControllerNotReadyException("VisibilityController not yet initialized!");
    }
    // Nothing to do if authorization is not enabled
    if (!authorizationEnabled) {
        return;
    }
    Region region = e.getEnvironment().getRegion();
    Authorizations authorizations = null;
    try {
        authorizations = scan.getAuthorizations();
    } catch (DeserializationException de) {
        throw new IOException(de);
    }
    if (authorizations == null) {
        // No Authorizations present for this scan/Get!
        // In case of system tables other than "labels" just scan with out visibility check and
        // filtering. Checking visibility labels for META and NAMESPACE table is not needed.
        TableName table = region.getRegionInfo().getTable();
        if (table.isSystemTable() && !table.equals(LABELS_TABLE_NAME)) {
            return;
        }
    }
    Filter visibilityLabelFilter = VisibilityUtils.createVisibilityLabelFilter(region, authorizations);
    if (visibilityLabelFilter != null) {
        Filter filter = scan.getFilter();
        if (filter != null) {
            scan.setFilter(new FilterList(filter, visibilityLabelFilter));
        } else {
            scan.setFilter(visibilityLabelFilter);
        }
    }
}