Examples with DescribeSpotPriceHistoryRequest com.amazonaws.services.ec2.model.DescribeSpotPriceHistoryRequest used on opensource projects

Example 1 with DescribeSpotPriceHistoryRequest

use of com.amazonaws.services.ec2.model.DescribeSpotPriceHistoryRequest in project herd by FINRAOS.

the class Ec2DaoImpl method getLatestSpotPrices.

/**
 * 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.
 */
@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;
}

Example 2 with DescribeSpotPriceHistoryRequest

use of com.amazonaws.services.ec2.model.DescribeSpotPriceHistoryRequest in project herd by FINRAOS.

the class MockEc2OperationsImpl method describeSpotPriceHistory.

@Override
public DescribeSpotPriceHistoryResult describeSpotPriceHistory(AmazonEC2Client ec2Client, DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest) {
    List<SpotPrice> spotPriceHistories = new ArrayList<>();
    String requestedAvailabilityZone = describeSpotPriceHistoryRequest.getAvailabilityZone();
    // Get availability zones to search for
    Set<MockAvailabilityZone> requestedAvailabilityZones = new HashSet<>();
    // If requested zone is specified, get and add
    if (requestedAvailabilityZone != null) {
        requestedAvailabilityZones.add(mockAvailabilityZones.get(requestedAvailabilityZone));
    } else // If requested zone is not specified, add all
    {
        requestedAvailabilityZones.addAll(mockAvailabilityZones.values());
    }
    // Get instance types to search for
    List<String> requestedInstanceTypes = describeSpotPriceHistoryRequest.getInstanceTypes();
    // If not specified, add all instance types
    if (requestedInstanceTypes.isEmpty()) {
        requestedInstanceTypes.addAll(mockInstanceTypes);
    }
    // search for price for all AZ and instance types requested
    for (MockAvailabilityZone mockAvailabilityZone : requestedAvailabilityZones) {
        for (String requestedInstanceType : requestedInstanceTypes) {
            MockSpotPrice mockSpotPrice = mockAvailabilityZone.getSpotPrices().get(requestedInstanceType);
            if (mockSpotPrice != null) {
                spotPriceHistories.add(mockSpotPrice.toAwsObject());
            }
        }
    }
    DescribeSpotPriceHistoryResult describeSpotPriceHistoryResult = new DescribeSpotPriceHistoryResult();
    describeSpotPriceHistoryResult.setSpotPriceHistory(spotPriceHistories);
    return describeSpotPriceHistoryResult;
}