Example usage for com.amazonaws.services.elasticloadbalancing.model DescribeInstanceHealthResult getInstanceStates

Introduction

In this page you can find the example usage for com.amazonaws.services.elasticloadbalancing.model DescribeInstanceHealthResult getInstanceStates.

Prototype

public java.util.List<InstanceState> getInstanceStates() 

Source Link

Document

Information about the health of the instances.

Usage

From source file:com.mentation.alfonso.aws.ElasticLoadBalancer.java

License:Apache License

public boolean isInstanceHealthy() {
    List<Instance> instances = new ArrayList<>();
    instances.add(_instance);/*from  w ww. j av  a  2  s. com*/

    DescribeInstanceHealthRequest describeInstanceHealthRequest = new DescribeInstanceHealthRequest(_name);
    describeInstanceHealthRequest.withInstances(instances);

    DescribeInstanceHealthResult describeInstanceHealthResult = _elbClient
            .describeInstanceHealth(describeInstanceHealthRequest);

    for (InstanceState state : describeInstanceHealthResult.getInstanceStates()) {
        System.out.println(state);

        if (!state.getState().equals("InService"))
            continue;

        if (state.getInstanceId().equals(getInstanceId())) {
            return true;
        }
    }

    return false;
}

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From source file:tools.descartes.bungee.cloud.aws.AWSImpl.java

License:Apache License

ResourcesInfo getResourceInfo(String hostName) {
    ResourcesInfo resources = new ResourcesInfo();
    boolean ok = false;
    try {/*from ww w  . j  av a2s .  co  m*/
        LoadBalancerDescription lb = getLoadBalancerForHostName(hostName);
        if (lb != null) {
            List<Instance> instances = lb.getInstances();
            Filter filterRunning = new Filter().withName("instance-state-name").withValues("running");
            List<String> instanceIds = new LinkedList<>();
            for (Instance instance : instances) {
                instanceIds.add(instance.getInstanceId());
            }
            resources.total = lb.getInstances().size();

            DescribeInstanceStatusResult describeInstanceStatus = ec2
                    .describeInstanceStatus(new DescribeInstanceStatusRequest().withInstanceIds(instanceIds)
                            .withFilters(filterRunning));
            resources.running = describeInstanceStatus.getInstanceStatuses().size();

            DescribeInstanceHealthRequest request = new DescribeInstanceHealthRequest()
                    .withLoadBalancerName(lb.getLoadBalancerName());
            DescribeInstanceHealthResult describeInstanceHealth = elasticLB.describeInstanceHealth(request);
            List<InstanceState> instanceStates = describeInstanceHealth.getInstanceStates();
            for (InstanceState instState : instanceStates) {
                if (instState.getState().equals("InService")) {
                    resources.inService++;
                }
                ;
            }
            ok = true;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (!ok) {
        resources = lastResourceInfo;
    } else {
        lastResourceInfo = resources;
    }
    //System.out.println("size: " + resources.total  + " running: " + resources.running + " inService: " + resources.inService);
    return resources;
}

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