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A server for Apache Accumulo that proxies connections from any language supported by Apache Thrift.
There is a newer version: 2.0.0-alpha-2
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.accumulo.proxy;

import static java.nio.charset.StandardCharsets.UTF_8;

import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import javax.security.sasl.SaslException;

import org.apache.accumulo.core.client.IteratorSetting;
import org.apache.accumulo.core.iterators.user.RegExFilter;
import org.apache.accumulo.core.rpc.UGIAssumingTransport;
import org.apache.accumulo.proxy.thrift.AccumuloProxy;
import org.apache.accumulo.proxy.thrift.ColumnUpdate;
import org.apache.accumulo.proxy.thrift.Key;
import org.apache.accumulo.proxy.thrift.ScanResult;
import org.apache.accumulo.proxy.thrift.TimeType;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.thrift.protocol.TCompactProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TSaslClientTransport;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportException;

public class TestProxyClient {

  protected AccumuloProxy.Client proxy;
  protected TTransport transport;

  public TestProxyClient(String host, int port) throws TTransportException {
    this(host, port, new TCompactProtocol.Factory());
  }

  public TestProxyClient(String host, int port, TProtocolFactory protoFactory) throws TTransportException {
    final TSocket socket = new TSocket(host, port);
    socket.setTimeout(600000);
    transport = new TFramedTransport(socket);
    final TProtocol protocol = protoFactory.getProtocol(transport);
    proxy = new AccumuloProxy.Client(protocol);
    transport.open();
  }

  public TestProxyClient(String host, int port, TProtocolFactory protoFactory, String proxyPrimary, UserGroupInformation ugi) throws SaslException,
      TTransportException {
    TSocket socket = new TSocket(host, port);
    TSaslClientTransport saslTransport = new TSaslClientTransport("GSSAPI", null, proxyPrimary, host, Collections.singletonMap("javax.security.sasl.qop",
        "auth"), null, socket);

    transport = new UGIAssumingTransport(saslTransport, ugi);

    // UGI transport will perform the doAs for us
    transport.open();

    AccumuloProxy.Client.Factory factory = new AccumuloProxy.Client.Factory();
    final TProtocol protocol = protoFactory.getProtocol(transport);
    proxy = factory.getClient(protocol);
  }

  public synchronized void close() {
    if (null != transport) {
      transport.close();
      transport = null;
    }
  }

  public AccumuloProxy.Client proxy() {
    return proxy;
  }

  public static void main(String[] args) throws Exception {

    TestProxyClient tpc = new TestProxyClient("localhost", 42424);
    String principal = "root";
    Map props = new TreeMap();
    props.put("password", "secret");

    System.out.println("Logging in");
    ByteBuffer login = tpc.proxy.login(principal, props);

    System.out.println("Creating user: ");
    if (!tpc.proxy().listLocalUsers(login).contains("testuser")) {
      tpc.proxy().createLocalUser(login, "testuser", ByteBuffer.wrap("testpass".getBytes(UTF_8)));
    }
    System.out.println("UserList: " + tpc.proxy().listLocalUsers(login));

    System.out.println("Listing: " + tpc.proxy().listTables(login));

    System.out.println("Deleting: ");
    String testTable = "testtableOMGOMGOMG";

    System.out.println("Creating: ");

    if (tpc.proxy().tableExists(login, testTable))
      tpc.proxy().deleteTable(login, testTable);

    tpc.proxy().createTable(login, testTable, true, TimeType.MILLIS);

    System.out.println("Listing: " + tpc.proxy().listTables(login));

    System.out.println("Writing: ");
    Date start = new Date();
    Date then = new Date();
    int maxInserts = 1000000;
    String format = "%1$05d";
    Map> mutations = new HashMap>();
    for (int i = 0; i < maxInserts; i++) {
      String result = String.format(format, i);
      ColumnUpdate update = new ColumnUpdate(ByteBuffer.wrap(("cf" + i).getBytes(UTF_8)), ByteBuffer.wrap(("cq" + i).getBytes(UTF_8)));
      update.setValue(Util.randStringBuffer(10));
      mutations.put(ByteBuffer.wrap(result.getBytes(UTF_8)), Collections.singletonList(update));

      if (i % 1000 == 0) {
        tpc.proxy().updateAndFlush(login, testTable, mutations);
        mutations.clear();
      }
    }
    tpc.proxy().updateAndFlush(login, testTable, mutations);
    Date end = new Date();
    System.out.println(" End of writing: " + (end.getTime() - start.getTime()));

    tpc.proxy().deleteTable(login, testTable);
    tpc.proxy().createTable(login, testTable, true, TimeType.MILLIS);

    // Thread.sleep(1000);

    System.out.println("Writing async: ");
    start = new Date();
    then = new Date();
    mutations.clear();
    String writer = tpc.proxy().createWriter(login, testTable, null);
    for (int i = 0; i < maxInserts; i++) {
      String result = String.format(format, i);
      Key pkey = new Key();
      pkey.setRow(result.getBytes(UTF_8));
      ColumnUpdate update = new ColumnUpdate(ByteBuffer.wrap(("cf" + i).getBytes(UTF_8)), ByteBuffer.wrap(("cq" + i).getBytes(UTF_8)));
      update.setValue(Util.randStringBuffer(10));
      mutations.put(ByteBuffer.wrap(result.getBytes(UTF_8)), Collections.singletonList(update));
      tpc.proxy().update(writer, mutations);
      mutations.clear();
    }

    end = new Date();
    System.out.println(" End of writing: " + (end.getTime() - start.getTime()));
    start = end;
    System.out.println("Closing...");
    tpc.proxy().closeWriter(writer);
    end = new Date();
    System.out.println(" End of closing: " + (end.getTime() - start.getTime()));

    System.out.println("Reading: ");

    String regex = "cf1.*";

    IteratorSetting is = new IteratorSetting(50, regex, RegExFilter.class);
    RegExFilter.setRegexs(is, null, regex, null, null, false);

    String cookie = tpc.proxy().createScanner(login, testTable, null);

    int i = 0;
    start = new Date();
    then = new Date();
    boolean hasNext = true;

    int k = 1000;
    while (hasNext) {
      ScanResult kvList = tpc.proxy().nextK(cookie, k);

      Date now = new Date();
      System.out.println(i + " " + (now.getTime() - then.getTime()));
      then = now;

      i += kvList.getResultsSize();
      // for (TKeyValue kv:kvList.getResults()) System.out.println(new Key(kv.getKey()));
      hasNext = kvList.isMore();
    }
    end = new Date();
    System.out.println("Total entries: " + i + " total time " + (end.getTime() - start.getTime()));
  }
}