/*
* 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.core.trace;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.client.Instance;
import org.apache.accumulo.core.zookeeper.ZooUtil;
import org.apache.zookeeper.KeeperException;
import cloudtrace.instrument.Tracer;
import cloudtrace.instrument.receivers.ZooSpanClient;
public class DistributedTrace {
public static void enable(Instance instance, String application, String address) throws IOException, KeeperException, InterruptedException {
String path = ZooUtil.getRoot(instance) + Constants.ZTRACERS;
if (address == null) {
try {
address = InetAddress.getLocalHost().getHostAddress().toString();
} catch (UnknownHostException e) {
address = "unknown";
}
}
Tracer.getInstance().addReceiver(new ZooSpanClient(instance.getZooKeepers(), path, address, application, 1000));
}
}