/**
* Describe a set of specific launch configurations.
*
* @param names the launch configuration names
* @return the launch configurations
*/
public List<LaunchConfiguration> describeLaunchConfigurations(String... names) {
if (names == null || names.length == 0) {
LOGGER.info("Getting all launch configurations.");
} else {
LOGGER.info(String.format("Getting launch configurations for %d names.", names.length));
}
List<LaunchConfiguration> lcs = new LinkedList<LaunchConfiguration>();
AmazonAutoScalingClient asgClient = asgClient();
DescribeLaunchConfigurationsRequest request =
new DescribeLaunchConfigurationsRequest().withLaunchConfigurationNames(names);
DescribeLaunchConfigurationsResult result = asgClient.describeLaunchConfigurations(request);
lcs.addAll(result.getLaunchConfigurations());
while (result.getNextToken() != null) {
request.setNextToken(result.getNextToken());
result = asgClient.describeLaunchConfigurations(request);
lcs.addAll(result.getLaunchConfigurations());
}
LOGGER.info(String.format("Got %d launch configurations.", lcs.size()));
return lcs;
}
private static void setupAutoScale(
AmazonAutoScalingClient autoScale,
AmazonCloudWatchClient cloudWatch,
String keyName,
String zone,
String securityGroup,
String imageId) {
List<LaunchConfiguration> launchList =
autoScale.describeLaunchConfigurations().getLaunchConfigurations();
for (LaunchConfiguration ll : launchList)
if (ll.getLaunchConfigurationName().equalsIgnoreCase("On DemandAWS")) {
System.out.println("Using Launch Configuration " + ll.getLaunchConfigurationName());
return;
}
CreateLaunchConfigurationRequest launchConfig = new CreateLaunchConfigurationRequest();
launchConfig.setImageId(imageId);
launchConfig.setKeyName(keyName);
launchConfig.setInstanceType("t1.micro");
List<String> securityGroups = new ArrayList<String>();
securityGroups.add(securityGroup);
launchConfig.setSecurityGroups(securityGroups);
launchConfig.setLaunchConfigurationName("On DemandAWS");
autoScale.createLaunchConfiguration(launchConfig);
CreateAutoScalingGroupRequest autoReq = new CreateAutoScalingGroupRequest();
autoReq.setLaunchConfigurationName("On DemandAWS");
List<String> availabilityZones = new ArrayList<String>();
availabilityZones.add(zone);
autoReq.setAvailabilityZones(availabilityZones);
autoReq.setMinSize(1);
autoReq.setMaxSize(1);
autoReq.setAutoScalingGroupName("OnDemand ASGroup");
autoScale.createAutoScalingGroup(autoReq);
System.out.println("Using Launch Configuration On DemandAWS created");
}