/**
* 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.blur.console.util;
import org.apache.blur.manager.clusterstatus.ZookeeperClusterStatus;
import org.apache.commons.collections.CollectionUtils;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.*;
public class NodeUtil {
@SuppressWarnings("unchecked")
public static Map<String, Object> getControllerStatus() throws IOException {
ZookeeperClusterStatus zk = Config.getZookeeper();
List<String> allControllers = new ArrayList<String>();
List<String> oControllers = new ArrayList<String>();
allControllers = zk.getOnlineControllerList();
oControllers = zk.getControllerServerList();
Collection<String> onlineControllers = CollectionUtils.intersection(allControllers, oControllers);
Collection<String> offlineControllers = CollectionUtils.subtract(allControllers, oControllers);
Map<String, Object> data = new HashMap<String, Object>();
data.put("online", onlineControllers);
data.put("offline", offlineControllers);
return data;
}
public static List<Map<String, Object>> getClusterStatus() throws IOException {
ZookeeperClusterStatus zk = Config.getZookeeper();
List<Map<String, Object>> data = new ArrayList<Map<String, Object>>();
List<String> clusters = zk.getClusterList(false);
for (String cluster : clusters) {
Map<String, Object> clusterObj = new HashMap<String, Object>();
clusterObj.put("name", cluster);
List<String> offlineShardServers = zk.getOfflineShardServers(false, cluster);
List<String> onlineShardServers = zk.getOnlineShardServers(false, cluster);
clusterObj.put("online", onlineShardServers);
clusterObj.put("offline", offlineShardServers);
data.add(clusterObj);
}
return data;
}
public static Map<String, Object> getZookeeperStatus() throws IOException {
String[] connections = Config.getBlurConfig().get("blur.zookeeper.connection").split(",");
Set<String> onlineZookeepers = new HashSet<String>();
Set<String> offlineZookeepers = new HashSet<String>();
for (String connection : connections) {
Socket socket = null;
InputStream response = null;
OutputStream question = null;
try {
URI parsedConnection = new URI("my://" + connection);
String host = parsedConnection.getHost();
int port = parsedConnection.getPort() >= 0 ? parsedConnection.getPort() : 2181;
byte[] reqBytes = new byte[4];
ByteBuffer req = ByteBuffer.wrap(reqBytes);
req.putInt(ByteBuffer.wrap("ruok".getBytes()).getInt());
socket = new Socket();
socket.setSoLinger(false, 10);
socket.setSoTimeout(20000);
parsedConnection.getPort();
socket.connect(new InetSocketAddress(host, port));
response = socket.getInputStream();
question = socket.getOutputStream();
question.write(reqBytes);
byte[] resBytes = new byte[4];
response.read(resBytes);
String status = new String(resBytes);
if (status.equals("imok")) {
onlineZookeepers.add(connection);
} else {
offlineZookeepers.add(connection);
}
socket.close();
response.close();
question.close();
} catch (Exception e) {
offlineZookeepers.add(connection);
} finally {
if (socket != null) {
socket.close();
}
if (response != null) {
response.close();
}
if (question != null) {
question.close();
}
}
}
Map<String, Object> data = new HashMap<String, Object>();
data.put("online", onlineZookeepers);
data.put("offline", offlineZookeepers);
return data;
}
}