Examples of AmazonAutoScaling

com.amazonaws.services.autoscaling.AmazonAutoScaling
Interface for accessing AmazonAutoScaling.
Amazon Auto Scaling is an easy-to-use web service designed to automatically launch or terminate EC2 instances based on user defined triggers. Users can set up Auto Scaling groups and associate triggers with these groups to automatically scale computing resources based on parameters such as bandwidth usage or CPU utilization. Auto Scaling groups can work across multiple Availability Zones - distinct physical locations for the hosted EC2 instances - so that if an Availability Zone becomes unhealthy or unavailable, Auto Scaling will automatically re-distribute applications to a healthy Availability Zone.

Examples of com.amazonaws.services.autoscaling.AmazonAutoScaling


    /**
     * Get an AutoScaling client whose endpoint is configured based on properties.
     */
    public static AmazonAutoScaling autoScaling(AWSCredentials credentials) {
        AmazonAutoScaling client = new AmazonAutoScalingClient(credentials);
        client.setEndpoint(System.getProperty(
                AwsPropertyKeys.AWS_AUTO_SCALING_END_POINT.getBundle(),
                "autoscaling.amazonaws.com"));
        return client;
    }

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Examples of com.amazonaws.services.autoscaling.AmazonAutoScaling

    }


    @Override
    public List<String> getRacMembership()
    {
        AmazonAutoScaling client = null;
        try
        {
            client = getAutoScalingClient();
            DescribeAutoScalingGroupsRequest asgReq = new DescribeAutoScalingGroupsRequest().withAutoScalingGroupNames(config.getASGName());
            DescribeAutoScalingGroupsResult res = client.describeAutoScalingGroups(asgReq);


            List<String> instanceIds = Lists.newArrayList();
            for (AutoScalingGroup asg : res.getAutoScalingGroups())
            {
                for (Instance ins : asg.getInstances())
                    if (!(ins.getLifecycleState().equalsIgnoreCase("Terminating") || ins.getLifecycleState().equalsIgnoreCase("shutting-down") || ins.getLifecycleState()
                            .equalsIgnoreCase("Terminated")))
                        instanceIds.add(ins.getInstanceId());
            }
            logger.info(String.format("Querying Amazon returned following instance in the ASG: %s --> %s", config.getRac(), StringUtils.join(instanceIds, ",")));
            return instanceIds;
        }
        finally
        {
            if (client != null)
                client.shutdown();
        }
    }

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Examples of com.amazonaws.services.autoscaling.AmazonAutoScaling

     * Actual membership AWS source of truth...
     */
    @Override
    public int getRacMembershipSize()
    {
        AmazonAutoScaling client = null;
        try
        {
            client = getAutoScalingClient();
            DescribeAutoScalingGroupsRequest asgReq = new DescribeAutoScalingGroupsRequest().withAutoScalingGroupNames(config.getASGName());
            DescribeAutoScalingGroupsResult res = client.describeAutoScalingGroups(asgReq);
            int size = 0;
            for (AutoScalingGroup asg : res.getAutoScalingGroups())
            {
                size += asg.getMaxSize();
            }
            logger.info(String.format("Query on ASG returning %d instances", size));
            return size;
        }
        finally
        {
            if (client != null)
                client.shutdown();
        }
    }

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Examples of com.amazonaws.services.autoscaling.AmazonAutoScaling

    }


    @Override
    public void expandRacMembership(int count)
    {
        AmazonAutoScaling client = null;
        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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Examples of com.amazonaws.services.autoscaling.AmazonAutoScaling

        }
    }


    protected AmazonAutoScaling getAutoScalingClient()
    {
        AmazonAutoScaling client = new AmazonAutoScalingClient(provider.getAwsCredentialProvider());
        client.setEndpoint("autoscaling." + config.getDC() + ".amazonaws.com");
        return client;
    }

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