Example usage for com.amazonaws.services.elasticloadbalancing.model CreateLoadBalancerRequest setAvailabilityZones

Introduction

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

Prototype

public void setAvailabilityZones(java.util.Collection<String> availabilityZones) 

Source Link

Document

One or more Availability Zones from the same region as the load balancer.

Usage

From source file:com.kpbird.aws.Main.java

public void createElasticLoadBalancing() {
    try {/*w  ww.j a va  2s . c  o m*/
        AmazonElasticLoadBalancingClient aebc = new AmazonElasticLoadBalancingClient(credentials);
        aebc.setEndpoint(endPoint);
        aebc.setRegion(region);

        String instanceid = Util.getInstanceId(InstanceName, credentials, endPoint, region);
        String azone = Util.getAvailabilityZone(instanceid, credentials, endPoint, region);

        CreateLoadBalancerRequest cbr = new CreateLoadBalancerRequest();
        cbr.setLoadBalancerName(elbName);

        ArrayList<Listener> arrListener = new ArrayList<Listener>();
        arrListener.add(new Listener().withInstancePort(ListenerInstancePort)
                .withInstanceProtocol(ListenerInstanceProtocol).withLoadBalancerPort(ListenerPort)
                .withProtocol(ListenerProtocol));
        cbr.setListeners(arrListener);

        ArrayList<String> arrAvailabilityZone = new ArrayList<String>();
        arrAvailabilityZone.add(azone);
        cbr.setAvailabilityZones(arrAvailabilityZone);

        CreateLoadBalancerResult cbresult = aebc.createLoadBalancer(cbr);
        log.Info("DNS Name " + cbresult.getDNSName());

        // wait for process complete

        ConfigureHealthCheckRequest chcr = new ConfigureHealthCheckRequest();
        chcr.setLoadBalancerName(elbName);
        HealthCheck healthCK = new HealthCheck();
        healthCK.withHealthyThreshold(HealthyThreshold);
        healthCK.withInterval(HealthInterval);
        healthCK.withTarget(HealthTarget);
        healthCK.withTimeout(HealthTimeout);
        healthCK.withUnhealthyThreshold(HealthUnhealthyThreshold);
        chcr.setHealthCheck(healthCK);

        aebc.configureHealthCheck(chcr);

        // wait for process complete         

        RegisterInstancesWithLoadBalancerRequest riwbr = new RegisterInstancesWithLoadBalancerRequest();
        riwbr.setLoadBalancerName(elbName);

        ArrayList<com.amazonaws.services.elasticloadbalancing.model.Instance> arrInstances = new ArrayList<com.amazonaws.services.elasticloadbalancing.model.Instance>();
        com.amazonaws.services.elasticloadbalancing.model.Instance i = new com.amazonaws.services.elasticloadbalancing.model.Instance(
                instanceid);
        arrInstances.add(i);
        riwbr.setInstances(arrInstances);

        RegisterInstancesWithLoadBalancerResult riwbresult = aebc.registerInstancesWithLoadBalancer(riwbr);

    } catch (Exception e) {
        e.printStackTrace();
    }

}

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From source file:com.swap.aws.elb.client.AWSHelper.java

License:Apache License

/**
 * Creates a load balancer and returns its DNS name. Useful when a new
 * cluster is added./*from  ww w . jav  a 2  s  . c o  m*/
 * 
 * @param name
 * @param listeners
 * @return DNS name of newly created load balancer
 */
public String createLoadBalancer(String name, List<Listener> listeners) {
    try {
        CreateLoadBalancerRequest createLoadBalancerRequest = new CreateLoadBalancerRequest(name);

        createLoadBalancerRequest.setListeners(listeners);

        Set<String> availabilityZones = new HashSet<String>();
        availabilityZones.add(availabilityZone);

        createLoadBalancerRequest.setAvailabilityZones(availabilityZones);

        AmazonElasticLoadBalancingClient lbClient = new AmazonElasticLoadBalancingClient(awsCredentials,
                clientConfiguration);

        lbClient.setEndpoint("elasticloadbalancing." + this.region + ".amazonaws.com");

        CreateLoadBalancerResult clbResult = lbClient.createLoadBalancer(createLoadBalancerRequest);

        System.out.println("Created load balancer : " + clbResult.getDNSName());

        return clbResult.getDNSName();
    } catch (Exception e) {
        log.error("Could not create load balancer : " + name + ".");
        e.printStackTrace();
        return null;
    }
}

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From source file:org.apache.stratos.aws.extension.AWSHelper.java

License:Apache License

/**
 * Creates a load balancer and returns its DNS name. Useful when a new
 * cluster is added.//  w w w .  j  av  a2  s  .c o  m
 *
 * @param name      of the load balancer to be created
 * @param listeners to be attached to the load balancer
 * @param region    in which the load balancer needs to be created
 * @return DNS name of newly created load balancer
 * @throws LoadBalancerExtensionException
 */
public String createLoadBalancer(String name, List<Listener> listeners, String region,
        Set<String> availabilityZones, boolean inVPC) throws LoadBalancerExtensionException {

    log.info("Creating load balancer " + name);

    CreateLoadBalancerRequest createLoadBalancerRequest = new CreateLoadBalancerRequest(name);

    createLoadBalancerRequest.setListeners(listeners);

    // don't need this now since we are anyway updating zone according to the member
    //      Set<String> availabilityZones = new HashSet<String>();
    //      availabilityZones.add(getAvailabilityZoneFromRegion(region));
    //
    //      createLoadBalancerRequest.setAvailabilityZones(availabilityZones);

    try {
        if (inVPC) {

            List<String> securityGroups = new ArrayList<String>();
            if (!vpcIds.isEmpty()) {
                for (String vpcId : vpcIds) {
                    String securityGroupId = getSecurityGroupIdForRegion(region, vpcId);
                    securityGroups.add(securityGroupId);
                }
            } else {
                String securityGroupId = getSecurityGroupIdForRegion(region, null);
                securityGroups.add(securityGroupId);
            }

            createLoadBalancerRequest.setSecurityGroups(securityGroups);

            // set subnet ids
            if (!getSubnetIds().isEmpty()) {
                createLoadBalancerRequest.setSubnets(subnetIds);
            }

            // set scheme to 'internal' if specified
            if (getLbScheme() != null && getLbScheme().equals(Constants.LB_SCHEME_INTERNAL)) {
                createLoadBalancerRequest.setScheme(getLbScheme());
            }
        } else {
            // set initial availability zones
            createLoadBalancerRequest.setAvailabilityZones(availabilityZones);
        }

        elbClient.setEndpoint(String.format(Constants.ELB_ENDPOINT_URL_FORMAT, region));

        CreateLoadBalancerResult clbResult = elbClient.createLoadBalancer(createLoadBalancerRequest);

        return clbResult.getDNSName();

    } catch (AmazonClientException e) {
        String errorMsg = "Could not create load balancer " + name;
        log.error(errorMsg, e);
        throw new LoadBalancerExtensionException(errorMsg, e);
    }
}

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