Example usage for com.amazonaws.services.autoscaling.model UpdateAutoScalingGroupRequest setDesiredCapacity

Introduction

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

Prototype

public void setDesiredCapacity(Integer desiredCapacity) 

Source Link

Document

The number of EC2 instances that should be running in the Auto Scaling group.

Usage

From source file:com.netflix.dynomitemanager.sidecore.aws.AWSMembership.java

License:Apache License

@Override
public void expandRacMembership(int count) {
    AmazonAutoScaling client = null;/*www.j a  v a2s.  co m*/
    try {
        client = getAutoScalingClient();
        DescribeAutoScalingGroupsRequest asgReq = new DescribeAutoScalingGroupsRequest()
                .withAutoScalingGroupNames(config.getASGName());
        DescribeAutoScalingGroupsResult res = client.describeAutoScalingGroups(asgReq);
        AutoScalingGroup asg = res.getAutoScalingGroups().get(0);
        UpdateAutoScalingGroupRequest ureq = new UpdateAutoScalingGroupRequest();
        ureq.setAutoScalingGroupName(asg.getAutoScalingGroupName());
        ureq.setMinSize(asg.getMinSize() + 1);
        ureq.setMaxSize(asg.getMinSize() + 1);
        ureq.setDesiredCapacity(asg.getMinSize() + 1);
        client.updateAutoScalingGroup(ureq);
    } finally {
        if (client != null)
            client.shutdown();
    }
}

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

License:Apache License

@Override
public void increaseASGDesiredCapacityBySize(String groupName, int instanceCnt) 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;/* www .  j a  v a 2 s  .c  o  m*/
    }

    AutoScalingGroup group = groups.get(0);
    int curCapacity = group.getDesiredCapacity();

    UpdateAutoScalingGroupRequest updateRequest = new UpdateAutoScalingGroupRequest();
    updateRequest.setAutoScalingGroupName(groupName);
    updateRequest.setDesiredCapacity(curCapacity + instanceCnt);
    updateRequest.setMaxSize(Math.max(group.getMaxSize(), curCapacity + instanceCnt));
    aasClient.updateAutoScalingGroup(updateRequest);
}

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

License:Apache License

private void changeGroupCapacity(String groupName, int size, boolean increment) throws Exception {
    AutoScalingGroup group = getAutoScalingGroup(groupName);
    if (group == null) {
        return;//from  w  ww  .jav  a  2 s  .c om
    }

    int currCapacity = group.getDesiredCapacity();
    int currMinSize = group.getMinSize();
    int currMaxSize = group.getMaxSize();
    if (increment) {
        currCapacity += size;
        if (currMaxSize == currMinSize) {
            currMinSize = currCapacity;
            currMaxSize = currCapacity;
        } else {
            currMaxSize = Math.max(currMaxSize, currCapacity);
        }
    } else {
        currCapacity = Math.max(currCapacity - size, 0);
        if (currMaxSize == currMinSize) {
            currMinSize = currCapacity;
            currMaxSize = currCapacity;
        } else {
            currMinSize = Math.min(currMinSize, currCapacity);
        }
    }

    UpdateAutoScalingGroupRequest updateRequest = new UpdateAutoScalingGroupRequest();
    updateRequest.setAutoScalingGroupName(groupName);
    updateRequest.setDesiredCapacity(currCapacity);
    updateRequest.setMaxSize(currMaxSize);
    updateRequest.setMinSize(currMinSize);
    aasClient.updateAutoScalingGroup(updateRequest);
}

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From source file:com.pinterest.clusterservice.cm.AwsVmManager.java

License:Apache License

@Override
public void launchHosts(String clusterName, int num) throws Exception {
    AutoScalingGroup group = getAutoScalingGroup(clusterName);
    if (group == null) {
        LOG.error(String.format("Failed to launch hosts: auto scaling group %s does not exist", clusterName));
        throw new Exception(
                String.format("Failed to launch hosts: auto scaling group %s does not exist", clusterName));
    }/*  w w w. j  a  v a 2s.c o  m*/

    try {
        UpdateAutoScalingGroupRequest updateRequest = new UpdateAutoScalingGroupRequest();
        updateRequest.setAutoScalingGroupName(clusterName);
        updateRequest.setDesiredCapacity(group.getDesiredCapacity() + num);
        updateRequest.setMaxSize(Math.max(group.getDesiredCapacity(), group.getDesiredCapacity() + num));
        aasClient.updateAutoScalingGroup(updateRequest);
    } catch (AmazonClientException e) {
        LOG.error(String.format("Failed to launch %d hosts to auto scaling group %s: %s", num, clusterName,
                e.getMessage()));
        throw new Exception(String.format("Failed to launch %d hosts to auto scaling group %s: %s", num,
                clusterName, e.getMessage()));
    }
}

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