Example usage for com.amazonaws.services.elasticloadbalancing AmazonElasticLoadBalancingClient createLoadBalancer

List of usage examples for com.amazonaws.services.elasticloadbalancing AmazonElasticLoadBalancingClient createLoadBalancer

Introduction

In this page you can find the example usage for com.amazonaws.services.elasticloadbalancing AmazonElasticLoadBalancingClient createLoadBalancer.

Prototype

@Override
public CreateLoadBalancerResult createLoadBalancer(CreateLoadBalancerRequest request) 

Source Link

Document

Creates a Classic Load Balancer.

Usage

From source file:AwsAuto.java

License:Open Source License

public static void main(String[] args) throws Exception {

    // initialize/determine parameters
    String instanceType = "m3.medium";
    String loadGeneratorAmi = "ami-8ac4e9e0";
    String dataCenterAmi = "ami-349fbb5e";
    String bidPrice = "0.1";
    String loadGeneratorDns = null; // load generator DNS
    String dashboardUrl = null; // the URL where we check our performance
    String testId = null;//from   w  ww.  ja  v  a  2s.c  o  m

    // create project tag for instances
    ArrayList<com.amazonaws.services.ec2.model.Tag> loadGeneratorTags = new ArrayList<>();
    com.amazonaws.services.ec2.model.Tag loadGeneratorTag = new com.amazonaws.services.ec2.model.Tag("Project",
            "2.1");
    loadGeneratorTags.add(loadGeneratorTag);

    // create project tag for auto-scaling
    com.amazonaws.services.autoscaling.model.Tag asgTag = new com.amazonaws.services.autoscaling.model.Tag();
    asgTag.setKey("Project");
    asgTag.setValue("2.1");

    // create project tag for load balancer
    ArrayList<com.amazonaws.services.elasticloadbalancing.model.Tag> loadBalancerTags = new ArrayList<>();
    com.amazonaws.services.elasticloadbalancing.model.Tag loadBalancerTag = new com.amazonaws.services.elasticloadbalancing.model.Tag();
    loadBalancerTag.setKey("Project");
    loadBalancerTag.setValue("2.1");
    loadBalancerTags.add(loadBalancerTag);

    /**
     * =========================================================================
     * ================= Create security groups
     * =========================================================================
     * =================
     */

    String loadGeneratorSecurityName = "LoadGeneratorSGP2";
    String allPurposeSecurityName = "AllPurposeSGP2";
    SecurityGroup loadGeneratorSecurityGroup = new SecurityGroup(loadGeneratorSecurityName);
    SecurityGroup allPurposeSecurityGroup = new SecurityGroup(allPurposeSecurityName);

    /**
     * =========================================================================
     * ================= Grant permission and credentials
     * =========================================================================
     * =================
     */

    AWSCredentials credentials = null;
    try {
        credentials = new ProfileCredentialsProvider("School").getCredentials();
    } catch (Exception e) {
        throw new AmazonClientException("Cannot load the credentials from the credential profiles file. "
                + "Please make sure that your credentials file is at the correct "
                + "location (C:\\Users\\Jiabei\\.aws\\credentials), and is in valid format.", e);
    }

    // set region
    AmazonEC2 ec2 = new AmazonEC2Client(credentials);
    Region usEast1 = Region.getRegion(Regions.US_EAST_1);
    ec2.setRegion(usEast1);

    /**
     * =========================================================================
     * ================= Create a load generator and submit password
     * =========================================================================
     * =================
     */

    Requests requestsLg = new Requests(instanceType, loadGeneratorAmi, bidPrice, loadGeneratorSecurityName,
            loadGeneratorTags);
    loadGeneratorDns = requestsLg.submitRequests();
    String submissionUrl = "http://" + loadGeneratorDns
            + "/password?passwd=0WSb4ufhYI7SkxfLWnnIWU0MC1NdcNKT&andrewId=jiabeip";
    sendGET(submissionUrl);

    try {

        /**
         * =======================================================================
         * =================== Create a load balancer
         * =======================================================================
         * ===================
         */

        String loadBalancerDns = null;
        String loadBalancerName = "LoadBalancerProj2";
        String healthCheckPage = "/heartbeat?lg=" + loadGeneratorDns;
        AmazonElasticLoadBalancingClient loadBalancerClient = new AmazonElasticLoadBalancingClient(credentials);

        // configure a request
        CreateLoadBalancerRequest loadBalancerRequest = new CreateLoadBalancerRequest()
                .withAvailabilityZones("us-east-1b").withListeners(new Listener("HTTP", 80, 80))
                .withLoadBalancerName(loadBalancerName).withSecurityGroups(allPurposeSecurityGroup.getGroupId())
                .withTags(loadBalancerTags);

        CreateLoadBalancerResult loadBalancerResult = loadBalancerClient
                .createLoadBalancer(loadBalancerRequest);
        loadBalancerDns = loadBalancerResult.getDNSName();

        // configure health check setting
        HealthCheck loadBalancerHealthCheck = new HealthCheck().withTarget("HTTP:80" + healthCheckPage)
                .withTimeout(5).withInterval(30).withUnhealthyThreshold(2).withHealthyThreshold(10);

        ConfigureHealthCheckRequest healthCheckRequest = new ConfigureHealthCheckRequest()
                .withLoadBalancerName(loadBalancerName).withHealthCheck(loadBalancerHealthCheck);

        // attach health check setting to load balancer
        ConfigureHealthCheckResult healthCheckResult = loadBalancerClient
                .configureHealthCheck(healthCheckRequest);

        System.out.println("Load balancer created!\nDNS: " + loadBalancerDns);

        /**
         * =======================================================================
         * =================== Create launch configuration
         * =======================================================================
         * ===================
         */

        String launchConfigName = "LaunchConfigProj2";
        String autoScalingGroupName = "AutoScalingGroupProj2";

        AmazonAutoScalingClient autoScalingGroupClient = new AmazonAutoScalingClient(credentials);
        AmazonCloudWatchClient cloudWatchClient = new AmazonCloudWatchClient(credentials);

        System.out.println("Creating launch configuration...");

        // configure the request
        CreateLaunchConfigurationRequest launchConfigRequest = new CreateLaunchConfigurationRequest()
                .withImageId(dataCenterAmi).withInstanceType(instanceType)
                .withLaunchConfigurationName(launchConfigName)
                .withSecurityGroups(allPurposeSecurityGroup.getGroupId()).withSpotPrice(bidPrice)
                .withKeyName("primary");

        // enable detail monitoring
        InstanceMonitoring monitor = new InstanceMonitoring();
        monitor.setEnabled(true);
        launchConfigRequest.setInstanceMonitoring(monitor);

        // attach the configuration to the ASG client
        autoScalingGroupClient.createLaunchConfiguration(launchConfigRequest);

        System.out.println("Configuration complete!\nCreating auto-scaling group...");

        /**
         * =======================================================================
         * =================== Create auto-scaling group
         * =======================================================================
         * ===================
         */

        // configure ASG request
        CreateAutoScalingGroupRequest asgRequest = new CreateAutoScalingGroupRequest()
                .withAutoScalingGroupName(autoScalingGroupName).withAvailabilityZones("us-east-1b")
                .withLoadBalancerNames(loadBalancerName).withNewInstancesProtectedFromScaleIn(false)
                .withTags(asgTag).withDefaultCooldown(120).withMinSize(1).withMaxSize(8).withDesiredCapacity(1) // Start
                // from
                // one
                .withHealthCheckGracePeriod(120).withHealthCheckType("ELB")
                .withLaunchConfigurationName(launchConfigName);

        // attach group configuration to ASG client
        autoScalingGroupClient.createAutoScalingGroup(asgRequest);

        /**
         * =======================================================================
         * =================== Create scaling up policy for ASG
         * =======================================================================
         * ===================
         */

        StepAdjustment upRule1 = new StepAdjustment().withMetricIntervalLowerBound(0.0)
                .withMetricIntervalUpperBound(25.0).withScalingAdjustment(1);

        StepAdjustment upRule2 = new StepAdjustment().withMetricIntervalLowerBound(25.0)
                .withMetricIntervalUpperBound(30.0).withScalingAdjustment(2);

        StepAdjustment upRule3 = new StepAdjustment().withMetricIntervalLowerBound(30.0)
                .withMetricIntervalUpperBound(null).withScalingAdjustment(3);

        String upPolicyName = "Scaling Up";

        PutScalingPolicyRequest scalingUpPolicy = new PutScalingPolicyRequest()
                .withAdjustmentType("ChangeInCapacity").withPolicyType("StepScaling")
                .withStepAdjustments(upRule1, upRule2, upRule3).withAutoScalingGroupName(autoScalingGroupName)
                .withPolicyName(upPolicyName).withEstimatedInstanceWarmup(120);

        StepAdjustment downRule1 = new StepAdjustment().withMetricIntervalLowerBound(-20.0)
                .withMetricIntervalUpperBound(-0.0).withScalingAdjustment(-1);

        StepAdjustment downRule2 = new StepAdjustment().withMetricIntervalLowerBound(-30.0)
                .withMetricIntervalUpperBound(-20.0).withScalingAdjustment(-2);

        StepAdjustment downRule3 = new StepAdjustment().withMetricIntervalLowerBound(null)
                .withMetricIntervalUpperBound(-30.0).withScalingAdjustment(-3);

        String downPolicyName = "Scaling Down";

        PutScalingPolicyRequest scalingDownPolicy = new PutScalingPolicyRequest().withAdjustmentType("")
                .withPolicyType("ChangeInCapacity").withStepAdjustments(downRule1, downRule2, downRule3)
                .withAutoScalingGroupName(autoScalingGroupName).withPolicyName(downPolicyName)
                .withEstimatedInstanceWarmup(60);

        // attach policies to ASG and get ARN for setting alarm
        PutScalingPolicyResult scaleUpResult = autoScalingGroupClient.putScalingPolicy(scalingUpPolicy);
        String upArn = scaleUpResult.getPolicyARN();
        PutScalingPolicyResult scaleDownResult = autoScalingGroupClient.putScalingPolicy(scalingDownPolicy);
        String downArn = scaleDownResult.getPolicyARN();

        /**
         * =======================================================================
         * =================== Create alarms for policies
         * =======================================================================
         * ===================
         */

        String upAlarmName = "UpAlarm_Mild";
        String downAlarmName = "DownAlarm_Mild";
        Dimension dimension = new Dimension();
        dimension.setName("AutoScalingGroupName");
        dimension.setValue(autoScalingGroupName);

        PutMetricAlarmRequest upAlarmRequest = new PutMetricAlarmRequest().withAlarmName(upAlarmName)
                .withMetricName("CPUUtilization").withNamespace("AWS/EC2").withDimensions(dimension)
                .withStatistic(Statistic.SampleCount)
                .withComparisonOperator(ComparisonOperator.GreaterThanOrEqualToThreshold).withThreshold(65.0)
                .withEvaluationPeriods(1).withPeriod(120).withAlarmActions(upArn);

        PutMetricAlarmRequest downAlarmRequest = new PutMetricAlarmRequest().withAlarmName(downAlarmName)
                .withNamespace("AWS/EC2").withDimensions(dimension).withMetricName("CPUUtilization")
                .withStatistic(Statistic.Average)
                .withComparisonOperator(ComparisonOperator.LessThanOrEqualToThreshold).withThreshold(60.0)
                .withEvaluationPeriods(1).withPeriod(120).withAlarmActions(downArn);

        cloudWatchClient.putMetricAlarm(upAlarmRequest);
        cloudWatchClient.putMetricAlarm(downAlarmRequest);

        System.out.println("All settings complete! \nReady for warmup...");

        /**
         * =======================================================================
         * =================== Warm up ELB
         * =======================================================================
         * ===================
         */

        String warmUpUrl = "http://" + loadGeneratorDns + "/warmup?dns=" + loadBalancerDns;
        sendGET(warmUpUrl);
        System.out.println("Warmup link: " + warmUpUrl);

        try {
            Thread.sleep(15 * 60 * 1000);
        } catch (Exception e) {
            e.printStackTrace();
        }

        System.out.println("Warmup complete!\nReady for battle...");

        /**
         * =======================================================================
         * =================== Start the test
         * =======================================================================
         * ===================
         */

        String testUrl = "http://" + loadGeneratorDns + "/junior?dns=" + loadBalancerDns;
        testId = sendGET(testUrl);
        System.out.println("Test ID is: " + testId);

        System.out.println("Test link: " + testUrl);

        try {
            Thread.sleep(60 * 60 * 1000);
        } catch (Exception e) {
            e.printStackTrace();
        }

        System.out.println("Test finished!");

        /**
         * =======================================================================
         * =================== Delete resources
         * =======================================================================
         * ===================
         */

        // clear ASG
        UpdateAutoScalingGroupRequest asgClearRequest = new UpdateAutoScalingGroupRequest()
                .withAutoScalingGroupName(autoScalingGroupName).withMaxSize(0).withMinSize(0);
        autoScalingGroupClient.updateAutoScalingGroup(asgClearRequest);

        // delete policies
        DeletePolicyRequest upPolicyDeleteRequest = new DeletePolicyRequest()
                .withAutoScalingGroupName(autoScalingGroupName).withPolicyName(upPolicyName);
        autoScalingGroupClient.deletePolicy(upPolicyDeleteRequest);

        DeletePolicyRequest downPolicyDeleteRequest = new DeletePolicyRequest()
                .withAutoScalingGroupName(autoScalingGroupName).withPolicyName(downPolicyName);
        autoScalingGroupClient.deletePolicy(downPolicyDeleteRequest);
        System.out.println("Policies deleted...");

        // delete alarms
        DeleteAlarmsRequest alarmsDeleteRequest = new DeleteAlarmsRequest().withAlarmNames(upAlarmName,
                downAlarmName);
        cloudWatchClient.deleteAlarms(alarmsDeleteRequest);
        System.out.println("Alarms deleted...");

        // delete load balancer
        DeleteLoadBalancerRequest lgDeleteRequest = new DeleteLoadBalancerRequest()
                .withLoadBalancerName(loadBalancerName);
        loadBalancerClient.deleteLoadBalancer(lgDeleteRequest);
        System.out.println("Load generator deleted...");

        // delete ASG
        DeleteAutoScalingGroupRequest asgDeleteRequest = new DeleteAutoScalingGroupRequest()
                .withForceDelete(true).withAutoScalingGroupName(autoScalingGroupName);
        autoScalingGroupClient.deleteAutoScalingGroup(asgDeleteRequest);
        System.out.println("ASG deleted...");

        // delete launch configuration
        DeleteLaunchConfigurationRequest launchConfigDeleteRequest = new DeleteLaunchConfigurationRequest()
                .withLaunchConfigurationName(launchConfigName);
        autoScalingGroupClient.deleteLaunchConfiguration(launchConfigDeleteRequest);
        System.out.println("Launch configuration deleted...");

        // delete security group
        DeleteSecurityGroupRequest sgDeleteRequest = new DeleteSecurityGroupRequest()
                .withGroupName(allPurposeSecurityName);
        ec2.deleteSecurityGroup(sgDeleteRequest);
        System.out.println("Security group deleted...");

        /**
         * =======================================================================
         * =================== All done
         * =======================================================================
         * ===================
         */
        System.out.println("All done :)");

    } catch (AmazonServiceException ase) {
        // Write out any exceptions that may have occurred.
        System.out.println("Caught Exception: " + ase.getMessage());
        System.out.println("Reponse Status Code: " + ase.getStatusCode());
        System.out.println("Error Code: " + ase.getErrorCode());
        System.out.println("Request ID: " + ase.getRequestId());

    } catch (Exception e) {
        System.out.println("Unexcepted error!");
        System.out.println(e.getMessage());
    }

}

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();
    }

}

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 www .j a v a2s  .  c om
 * 
 * @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;
    }
}