Package com.amazonaws.services.autoscaling

Examples of com.amazonaws.services.autoscaling.AmazonAutoScaling

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    /**
     * 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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    }

    @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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     * 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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    }

    @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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        }
    }

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

  • com.netflix.priam.aws.AWSMembership
  • com.netflix.servo.aws.AwsServiceClients
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