Examples with IZooReaderWriter org.apache.accumulo.fate.zookeeper.IZooReaderWriter used on opensource projects

Example 46 with IZooReaderWriter

use of org.apache.accumulo.fate.zookeeper.IZooReaderWriter in project accumulo by apache.

the class ZKPermHandler method cleanTablePermissions.

@Override
public void cleanTablePermissions(String table) throws AccumuloSecurityException {
    try {
        synchronized (zooCache) {
            zooCache.clear();
            IZooReaderWriter zoo = ZooReaderWriter.getInstance();
            for (String user : zooCache.getChildren(ZKUserPath)) zoo.recursiveDelete(ZKUserPath + "/" + user + ZKUserTablePerms + "/" + table, NodeMissingPolicy.SKIP);
        }
    } catch (KeeperException e) {
        log.error("{}", e.getMessage(), e);
        throw new AccumuloSecurityException("unknownUser", SecurityErrorCode.CONNECTION_ERROR, e);
    } catch (InterruptedException e) {
        log.error("{}", e.getMessage(), e);
        throw new RuntimeException(e);
    }
}

Example 47 with IZooReaderWriter

use of org.apache.accumulo.fate.zookeeper.IZooReaderWriter in project accumulo by apache.

the class ZKPermHandler method revokeTablePermission.

@Override
public void revokeTablePermission(String user, String table, TablePermission permission) throws AccumuloSecurityException {
    byte[] serializedPerms = zooCache.get(ZKUserPath + "/" + user + ZKUserTablePerms + "/" + table);
    // User had no table permission, nothing to revoke.
    if (serializedPerms == null)
        return;
    Set<TablePermission> tablePerms = ZKSecurityTool.convertTablePermissions(serializedPerms);
    try {
        if (tablePerms.remove(permission)) {
            zooCache.clear();
            IZooReaderWriter zoo = ZooReaderWriter.getInstance();
            if (tablePerms.size() == 0)
                zoo.recursiveDelete(ZKUserPath + "/" + user + ZKUserTablePerms + "/" + table, NodeMissingPolicy.SKIP);
            else
                zoo.putPersistentData(ZKUserPath + "/" + user + ZKUserTablePerms + "/" + table, ZKSecurityTool.convertTablePermissions(tablePerms), NodeExistsPolicy.OVERWRITE);
        }
    } catch (KeeperException e) {
        log.error("{}", e.getMessage(), e);
        throw new AccumuloSecurityException(user, SecurityErrorCode.CONNECTION_ERROR, e);
    } catch (InterruptedException e) {
        log.error("{}", e.getMessage(), e);
        throw new RuntimeException(e);
    }
}

Example 48 with IZooReaderWriter

use of org.apache.accumulo.fate.zookeeper.IZooReaderWriter in project accumulo by apache.

the class ZKPermHandler method cleanNamespacePermissions.

@Override
public void cleanNamespacePermissions(Namespace.ID namespace) throws AccumuloSecurityException {
    try {
        synchronized (zooCache) {
            zooCache.clear();
            IZooReaderWriter zoo = ZooReaderWriter.getInstance();
            for (String user : zooCache.getChildren(ZKUserPath)) zoo.recursiveDelete(ZKUserPath + "/" + user + ZKUserNamespacePerms + "/" + namespace, NodeMissingPolicy.SKIP);
        }
    } catch (KeeperException e) {
        log.error("{}", e.getMessage(), e);
        throw new AccumuloSecurityException("unknownUser", SecurityErrorCode.CONNECTION_ERROR, e);
    } catch (InterruptedException e) {
        log.error("{}", e.getMessage(), e);
        throw new RuntimeException(e);
    }
}

Example 49 with IZooReaderWriter

use of org.apache.accumulo.fate.zookeeper.IZooReaderWriter in project accumulo by apache.

the class TableManager method prepareNewNamespaceState.

public static void prepareNewNamespaceState(String instanceId, Namespace.ID namespaceId, String namespace, NodeExistsPolicy existsPolicy) throws KeeperException, InterruptedException {
    log.debug("Creating ZooKeeper entries for new namespace {} (ID: {})", namespace, namespaceId);
    String zPath = Constants.ZROOT + "/" + instanceId + Constants.ZNAMESPACES + "/" + namespaceId;
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zPath, new byte[0], existsPolicy);
    zoo.putPersistentData(zPath + Constants.ZNAMESPACE_NAME, namespace.getBytes(UTF_8), existsPolicy);
    zoo.putPersistentData(zPath + Constants.ZNAMESPACE_CONF, new byte[0], existsPolicy);
}

Example 50 with IZooReaderWriter

use of org.apache.accumulo.fate.zookeeper.IZooReaderWriter in project accumulo by apache.

the class TableManager method prepareNewTableState.

public static void prepareNewTableState(String instanceId, Table.ID tableId, Namespace.ID namespaceId, String tableName, TableState state, NodeExistsPolicy existsPolicy) throws KeeperException, InterruptedException {
    // state gets created last
    log.debug("Creating ZooKeeper entries for new table {} (ID: {}) in namespace (ID: {})", tableName, tableId, namespaceId);
    Pair<String, String> qualifiedTableName = Tables.qualify(tableName);
    tableName = qualifiedTableName.getSecond();
    String zTablePath = Constants.ZROOT + "/" + instanceId + Constants.ZTABLES + "/" + tableId;
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    zoo.putPersistentData(zTablePath, new byte[0], existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_CONF, new byte[0], existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_NAMESPACE, namespaceId.getUtf8(), existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_NAME, tableName.getBytes(UTF_8), existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_FLUSH_ID, ZERO_BYTE, existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_COMPACT_ID, ZERO_BYTE, existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_COMPACT_CANCEL_ID, ZERO_BYTE, existsPolicy);
    zoo.putPersistentData(zTablePath + Constants.ZTABLE_STATE, state.name().getBytes(UTF_8), existsPolicy);
}