Example usage for com.amazonaws.services.autoscaling.model DetachInstancesRequest withAutoScalingGroupName

List of usage examples for com.amazonaws.services.autoscaling.model DetachInstancesRequest withAutoScalingGroupName

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Introduction

In this page you can find the example usage for com.amazonaws.services.autoscaling.model DetachInstancesRequest withAutoScalingGroupName.

Prototype


public DetachInstancesRequest withAutoScalingGroupName(String autoScalingGroupName)

Source Link

Document

The name of the Auto Scaling group.

Usage

From source file:com.pinterest.arcee.autoscaling.AwsAutoScaleGroupManager.java

License:Apache License

@Override
public void detachInstancesFromAutoScalingGroup(Collection<String> instances, String groupName,
        boolean decreaseSize) throws Exception {
    DescribeAutoScalingGroupsRequest request = new DescribeAutoScalingGroupsRequest();
    request.setAutoScalingGroupNames(Arrays.asList(groupName));
    DescribeAutoScalingGroupsResult result = aasClient.describeAutoScalingGroups(request);
    List<AutoScalingGroup> groups = result.getAutoScalingGroups();
    if (groups.isEmpty()) {
        return;/*from   w  w  w . ja v  a2s .c  o  m*/
    }

    AutoScalingGroup group = groups.get(0);
    int curCapacity = group.getDesiredCapacity();
    int minSize = group.getMinSize();
    if (decreaseSize && (curCapacity == minSize)) {
        UpdateAutoScalingGroupRequest updateRequest = new UpdateAutoScalingGroupRequest();
        updateRequest.setAutoScalingGroupName(groupName);
        updateRequest.setMinSize(minSize - 1);
        aasClient.updateAutoScalingGroup(updateRequest);
    }

    DetachInstancesRequest detachInstancesRequest = new DetachInstancesRequest();
    detachInstancesRequest.withAutoScalingGroupName(groupName).setInstanceIds(instances);
    detachInstancesRequest.setShouldDecrementDesiredCapacity(decreaseSize);
    aasClient.detachInstances(detachInstancesRequest);
}

From source file:com.pinterest.arcee.autoscaling.AwsAutoScalingManager.java

License:Apache License

@Override
public void detachInstancesFromAutoScalingGroup(Collection<String> instances, String groupName,
        boolean decreaseSize) throws Exception {
    DescribeAutoScalingGroupsRequest request = new DescribeAutoScalingGroupsRequest();
    request.setAutoScalingGroupNames(Collections.singletonList(groupName));
    DescribeAutoScalingGroupsResult result = aasClient.describeAutoScalingGroups(request);
    List<AutoScalingGroup> groups = result.getAutoScalingGroups();
    if (groups.isEmpty()) {
        return;//from   w ww .j a  v a  2 s .  c o  m
    }

    AutoScalingGroup group = groups.get(0);
    int curCapacity = group.getDesiredCapacity();
    int minSize = group.getMinSize();
    if (decreaseSize && (curCapacity == minSize)) {
        UpdateAutoScalingGroupRequest updateRequest = new UpdateAutoScalingGroupRequest();
        updateRequest.setAutoScalingGroupName(groupName);
        updateRequest.setMinSize(minSize - 1);
        aasClient.updateAutoScalingGroup(updateRequest);
    }

    DetachInstancesRequest detachInstancesRequest = new DetachInstancesRequest();
    detachInstancesRequest.withAutoScalingGroupName(groupName).setInstanceIds(instances);
    detachInstancesRequest.setShouldDecrementDesiredCapacity(decreaseSize);
    aasClient.detachInstances(detachInstancesRequest);
}