/**
* Describe a set of specific auto-scaling instances.
*
* @param instanceIds the instance ids
* @return the instances
*/
public List<AutoScalingInstanceDetails> describeAutoScalingInstances(String... instanceIds) {
if (instanceIds == null || instanceIds.length == 0) {
LOGGER.info("Getting all auto-scaling instances.");
} else {
LOGGER.info(String.format("Getting auto-scaling instances for %d ids.", instanceIds.length));
}
List<AutoScalingInstanceDetails> instances = new LinkedList<AutoScalingInstanceDetails>();
AmazonAutoScalingClient asgClient = asgClient();
DescribeAutoScalingInstancesRequest request = new DescribeAutoScalingInstancesRequest();
if (instanceIds != null) {
request.setInstanceIds(Arrays.asList(instanceIds));
}
DescribeAutoScalingInstancesResult result = asgClient.describeAutoScalingInstances(request);
instances.addAll(result.getAutoScalingInstances());
while (result.getNextToken() != null) {
request = request.withNextToken(result.getNextToken());
result = asgClient.describeAutoScalingInstances(request);
instances.addAll(result.getAutoScalingInstances());
}
LOGGER.info(String.format("Got %d auto-scaling instances.", instances.size()));
return instances;
}
