/**
* Describe a set of specific auto scaling groups.
*
* @param names the ASG names
* @return the auto scaling groups
*/
public List<AutoScalingGroup> describeAutoScalingGroups(String... names) {
if (names == null || names.length == 0) {
LOGGER.info("Getting all auto-scaling groups.");
} else {
LOGGER.info(String.format("Getting auto-scaling groups for %d names.", names.length));
}
List<AutoScalingGroup> asgs = new LinkedList<AutoScalingGroup>();
AmazonAutoScalingClient asgClient = asgClient();
DescribeAutoScalingGroupsRequest request = new DescribeAutoScalingGroupsRequest();
if (names != null) {
request.setAutoScalingGroupNames(Arrays.asList(names));
}
DescribeAutoScalingGroupsResult result = asgClient.describeAutoScalingGroups(request);
asgs.addAll(result.getAutoScalingGroups());
while (result.getNextToken() != null) {
request.setNextToken(result.getNextToken());
result = asgClient.describeAutoScalingGroups(request);
asgs.addAll(result.getAutoScalingGroups());
}
LOGGER.info(String.format("Got %d auto-scaling groups.", asgs.size()));
return asgs;
}
public Request<DescribeAutoScalingGroupsRequest> marshall(
DescribeAutoScalingGroupsRequest describeAutoScalingGroupsRequest) {
if (describeAutoScalingGroupsRequest == null) {
throw new AmazonClientException("Invalid argument passed to marshall(...)");
}
Request<DescribeAutoScalingGroupsRequest> request =
new DefaultRequest<DescribeAutoScalingGroupsRequest>(
describeAutoScalingGroupsRequest, "AmazonAutoScaling");
request.addParameter("Action", "DescribeAutoScalingGroups");
request.addParameter("Version", "2011-01-01");
java.util.List<String> autoScalingGroupNamesList =
describeAutoScalingGroupsRequest.getAutoScalingGroupNames();
int autoScalingGroupNamesListIndex = 1;
for (String autoScalingGroupNamesListValue : autoScalingGroupNamesList) {
if (autoScalingGroupNamesListValue != null) {
request.addParameter(
"AutoScalingGroupNames.member." + autoScalingGroupNamesListIndex,
StringUtils.fromString(autoScalingGroupNamesListValue));
}
autoScalingGroupNamesListIndex++;
}
if (describeAutoScalingGroupsRequest.getNextToken() != null) {
request.addParameter(
"NextToken", StringUtils.fromString(describeAutoScalingGroupsRequest.getNextToken()));
}
if (describeAutoScalingGroupsRequest.getMaxRecords() != null) {
request.addParameter(
"MaxRecords", StringUtils.fromInteger(describeAutoScalingGroupsRequest.getMaxRecords()));
}
return request;
}
