public void createAutoScalingGroup(
String name, String launchConfigurationName, String loadBalancerName) {
CreateAutoScalingGroupRequest scalingGroupRequest = new CreateAutoScalingGroupRequest();
scalingGroupRequest.setAutoScalingGroupName(name);
scalingGroupRequest.setLaunchConfigurationName(launchConfigurationName);
// scalingGroupRequest.setLoadBalancerNames(Arrays
// .asList(loadBalancerName));
scalingGroupRequest.setMaxSize(3);
scalingGroupRequest.setMinSize(1);
scalingGroupRequest.setAvailabilityZones(Arrays.asList("us-east-1a", "us-east-1b"));
scalingClient.createAutoScalingGroup(scalingGroupRequest);
}
public static void setUpAutoScaling() {
System.out.println("Setting up autoscale group..");
CreateAutoScalingGroupRequest scaleRequest = new CreateAutoScalingGroupRequest();
scaleRequest.setAutoScalingGroupName("ProjectTwoAutoScaleGroup");
scaleRequest.setLaunchConfigurationName("ProjectTwoLaunchConfiguration");
// Start with one instance
scaleRequest.setMinSize(1);
scaleRequest.setMaxSize(10);
// Same zone
List<String> zones = new ArrayList<String>(1);
zones.add("us-east-1c");
scaleRequest.setAvailabilityZones(zones);
// Choose ELB
List<String> loadBalancerName = new ArrayList<String>();
loadBalancerName.add("projecttwoelb");
scaleRequest.setLoadBalancerNames(loadBalancerName);
scaleRequest.setHealthCheckType("ELB");
scaleRequest.setHealthCheckGracePeriod(100);
scaleRequest.setDefaultCooldown(60);
// Adding tags
Collection<com.amazonaws.services.autoscaling.model.Tag> tags =
new ArrayList<com.amazonaws.services.autoscaling.model.Tag>();
com.amazonaws.services.autoscaling.model.Tag tag =
new com.amazonaws.services.autoscaling.model.Tag();
tag.setKey("Project");
tag.setValue("2.1");
tags.add(tag);
scaleRequest.setTags(tags);
scaleClient.createAutoScalingGroup(scaleRequest);
System.out.println("Autoscale group set up successfully..");
System.out.println("Setting up autoscale policies..");
setUpPolicies();
}
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");
}