/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.cluster.impl;
import com.hazelcast.aws.AWSClient;
import com.hazelcast.cluster.impl.TcpIpJoiner;
import com.hazelcast.config.AwsConfig;
import com.hazelcast.instance.Node;
import com.hazelcast.logging.ILogger;
import com.hazelcast.util.ExceptionUtil;
import java.util.Collection;
public class TcpIpJoinerOverAWS extends TcpIpJoiner {
final AWSClient aws;
final ILogger logger;
public TcpIpJoinerOverAWS(Node node) {
super(node);
logger = node.getLogger(getClass());
AwsConfig awsConfig = node.getConfig().getNetworkConfig().getJoin().getAwsConfig();
aws = new AWSClient(awsConfig);
if (awsConfig.getRegion() != null && awsConfig.getRegion().length() > 0) {
aws.setEndpoint("ec2." + awsConfig.getRegion() + ".amazonaws.com");
}
}
@Override
protected Collection<String> getMembers() {
try {
Collection<String> list = aws.getPrivateIpAddresses();
if (list.isEmpty()) {
logger.warning("No EC2 instances found!");
} else {
if (logger.isFinestEnabled()) {
StringBuilder sb = new StringBuilder("Found the following EC2 instances:\n");
for (String ip : list) {
sb.append(" ").append(ip).append("\n");
}
logger.finest(sb.toString());
}
}
return list;
} catch (Exception e) {
logger.warning(e);
throw ExceptionUtil.rethrow(e);
}
}
@Override
protected int getConnTimeoutSeconds() {
AwsConfig awsConfig = node.getConfig().getNetworkConfig().getJoin().getAwsConfig();
return awsConfig.getConnectionTimeoutSeconds();
}
@Override
public String getType() {
return "aws";
}
}