Example usage for com.amazonaws.services.ec2.model DescribeSpotPriceHistoryResult getSpotPriceHistory

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2.model DescribeSpotPriceHistoryResult getSpotPriceHistory.

Prototype

public java.util.List<SpotPrice> getSpotPriceHistory() 

Source Link

Document

The historical Spot prices.

Usage

From source file:imperial.modaclouds.monitoring.datacollectors.monitors.EC2SpotPriceMonitor.java

License:BSD License

@Override
public void run() {

    String accessKeyId = null;/*from  w ww.ja  va 2 s.c  om*/

    String secretKey = null;

    long startTime = 0;

    while (!spmt.isInterrupted()) {

        if (System.currentTimeMillis() - startTime > 10000) {
            spotInstanceVec = new ArrayList<SpotInstance>();

            for (String metric : getProvidedMetrics()) {
                try {
                    VM resource = new VM(Config.getInstance().getVmType(), Config.getInstance().getVmId());
                    if (dcAgent.shouldMonitor(resource, metric)) {

                        Map<String, String> parameters = dcAgent.getParameters(resource, metric);

                        String endpoint = null;
                        String productDes = null;
                        String instanceType = null;

                        accessKeyId = parameters.get("accessKey");
                        secretKey = parameters.get("secretKey");
                        endpoint = parameters.get("endPoint");
                        productDes = parameters.get("productDescription");
                        instanceType = parameters.get("productDescription");
                        period = Integer.valueOf(parameters.get("samplingTime")) * 1000;
                        samplingProb = Double.valueOf(parameters.get("samplingProbability"));

                        SpotInstance spotInstance = new SpotInstance();
                        spotInstance.productDes = new ArrayList<String>();
                        spotInstance.instanceType = new ArrayList<String>();

                        spotInstance.endpoint = endpoint;
                        spotInstance.productDes.add(productDes);
                        spotInstance.instanceType.add(instanceType);

                        spotInstanceVec.add(spotInstance);
                    }
                } catch (NumberFormatException | ConfigurationException e) {
                    e.printStackTrace();
                }
            }

            startTime = System.currentTimeMillis();
        }

        AWSCredentials credentials = new BasicAWSCredentials(accessKeyId, secretKey);
        AmazonEC2 ec2 = new AmazonEC2Client(credentials);

        //////

        boolean isSent = false;
        if (Math.random() < this.samplingProb) {
            isSent = true;
        }

        for (int i = 0; i < spotInstanceVec.size(); i++) {
            ec2.setEndpoint(spotInstanceVec.get(i).endpoint);

            DescribeSpotPriceHistoryRequest request = new DescribeSpotPriceHistoryRequest();

            request.setProductDescriptions(spotInstanceVec.get(i).productDes);
            request.setInstanceTypes(spotInstanceVec.get(i).instanceType);
            //request.setStartTime(startTime);
            //request.setMaxResults(maxResult);

            String nextToken = "";
            //do {
            request.withNextToken(nextToken);

            DescribeSpotPriceHistoryResult result = ec2.describeSpotPriceHistory(request);

            List<String> splitString = Arrays.asList(result.getSpotPriceHistory().get(0).toString().split(","));

            if (isSent) {
                for (String temp : splitString) {
                    if (temp.contains("SpotPrice")) {
                        temp = temp.replace("SpotPrice: ", "");
                        System.out.println(temp);
                        try {
                            logger.info("Sending datum: {} {} {}", temp, "SpotPrice", monitoredTarget);
                            dcAgent.send(
                                    new VM(Config.getInstance().getVmType(), Config.getInstance().getVmId()),
                                    "SpotPrice", temp);
                        } catch (Exception e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                }
            }
            //for (int j = 0; j < result.getSpotPriceHistory().size(); j++) {
            //System.out.println(result.getSpotPriceHistory().get(0));
            //break;
            //}

            //result = result.withNextToken(result.getNextToken());
            //nextToken = result.getNextToken();
            //} while(!nextToken.isEmpty());
        }
        try {
            Thread.sleep(period);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            break;
        }

    }
}

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From source file:org.excalibur.service.aws.ec2.EC2.java

License:Open Source License

public List<SpotPriceHistory> getSpotPriceHistory(SpotPriceHistoryRequest request) {
    List<SpotPriceHistory> history = new ArrayList<SpotPriceHistory>();

    DescribeSpotPriceHistoryRequest spotPriceRequest = new DescribeSpotPriceHistoryRequest()
            .withEndTime(request.getUntil()).withStartTime(request.getFrom())
            .withAvailabilityZone(request.getRegion() != null ? request.getRegion().getName() : null)
            .withMaxResults(request.getMaxResult()).withProductDescriptions(request.getImageTypes());

    List<InstanceType> types = request.getInstanceTypes();
    String[] instanceTypes = new String[types.size()];

    for (int i = 0; i < instanceTypes.length; i++) {
        instanceTypes[i] = types.get(i).getName();
    }/*from www. j  a  v  a 2 s .  c  o  m*/

    spotPriceRequest.withInstanceTypes(instanceTypes);

    DescribeSpotPriceHistoryResult describeSpotPriceHistory = ec2_.describeSpotPriceHistory(spotPriceRequest);

    for (SpotPrice spot : describeSpotPriceHistory.getSpotPriceHistory()) {
        history.add(new SpotPriceHistory().withInstanceType(new InstanceType().setName(spot.getInstanceType()))
                .withPrice(spot.getSpotPrice()).withImageTypeDescription(spot.getProductDescription())
                .withRegion(new Region(spot.getAvailabilityZone())).withTime(spot.getTimestamp()));
    }

    return history;
}

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From source file:org.finra.dm.dao.impl.Ec2DaoImpl.java

License:Apache License

/**
 * This implementation uses DescribeSpotPriceHistory API which returns the latest spot price history for the specified AZ and instance types. This method
 * then filters the returned list to only contain the latest spot price for each instance type.
 *///from   w ww .j a  va  2  s .c o  m
@Override
public List<SpotPrice> getLatestSpotPrices(String availabilityZone, Collection<String> instanceTypes,
        AwsParamsDto awsParamsDto) {
    AmazonEC2Client ec2Client = getEc2Client(awsParamsDto);
    DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest = new DescribeSpotPriceHistoryRequest();
    describeSpotPriceHistoryRequest.setAvailabilityZone(availabilityZone);
    describeSpotPriceHistoryRequest.setInstanceTypes(instanceTypes);
    DescribeSpotPriceHistoryResult describeSpotPriceHistoryResult = ec2Operations
            .describeSpotPriceHistory(ec2Client, describeSpotPriceHistoryRequest);
    List<SpotPrice> spotPrices = new ArrayList<>();
    Set<String> instanceTypesFound = new HashSet<>();
    for (SpotPrice spotPriceHistoryEntry : describeSpotPriceHistoryResult.getSpotPriceHistory()) {
        if (instanceTypesFound.add(spotPriceHistoryEntry.getInstanceType())) {
            spotPrices.add(spotPriceHistoryEntry);
        }
    }
    return spotPrices;
}

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From source file:org.finra.herd.dao.impl.Ec2DaoImpl.java

License:Apache License

/**
 * This implementation uses DescribeSpotPriceHistory API which returns the latest spot price history for the specified AZ and instance types. This method
 * then filters the returned list to only contain the latest spot price for each instance type.
 *//*from  ww w .ja  va  2s  . co m*/
@Override
public List<SpotPrice> getLatestSpotPrices(String availabilityZone, Collection<String> instanceTypes,
        Collection<String> productDescriptions, AwsParamsDto awsParamsDto) {
    AmazonEC2Client ec2Client = getEc2Client(awsParamsDto);
    DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest = new DescribeSpotPriceHistoryRequest();
    describeSpotPriceHistoryRequest.setAvailabilityZone(availabilityZone);
    describeSpotPriceHistoryRequest.setInstanceTypes(instanceTypes);
    describeSpotPriceHistoryRequest.setProductDescriptions(productDescriptions);
    DescribeSpotPriceHistoryResult describeSpotPriceHistoryResult = ec2Operations
            .describeSpotPriceHistory(ec2Client, describeSpotPriceHistoryRequest);
    List<SpotPrice> spotPrices = new ArrayList<>();
    Set<String> instanceTypesFound = new HashSet<>();
    for (SpotPrice spotPriceHistoryEntry : describeSpotPriceHistoryResult.getSpotPriceHistory()) {
        if (instanceTypesFound.add(spotPriceHistoryEntry.getInstanceType())) {
            spotPrices.add(spotPriceHistoryEntry);
        }
    }
    return spotPrices;
}

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