private String getHostName(EC2Computer computer)
throws AmazonClientException, InterruptedException {
Instance instance;
instance = computer.updateInstanceDescription();
String vpc_id = instance.getVpcId();
String host;
if (computer.getNode().usePrivateDnsName) {
host = instance.getPrivateDnsName();
} else {
/* VPC hosts don't have public DNS names, so we need to use an IP address instead */
if (vpc_id == null || vpc_id.equals("")) {
host = instance.getPublicDnsName();
} else {
host = instance.getPrivateIpAddress();
}
}
return host;
}
