Example usage for com.amazonaws.services.ec2 AmazonEC2Client describeReservedInstancesOfferings

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2 AmazonEC2Client describeReservedInstancesOfferings.

Prototype

@Override
public DescribeReservedInstancesOfferingsResult describeReservedInstancesOfferings(
        DescribeReservedInstancesOfferingsRequest request) 

Source Link

Document

Describes Reserved Instance offerings that are available for purchase.

Usage

From source file:com.netflix.ice.basic.BasicReservationService.java

License:Apache License

private void pollAPI() throws Exception {
    long currentTime = new DateMidnight().getMillis();

    DescribeReservedInstancesOfferingsRequest req = new DescribeReservedInstancesOfferingsRequest().withFilters(
            new com.amazonaws.services.ec2.model.Filter().withName("marketplace").withValues("false"));
    String token = null;//  ww w . j a  va  2 s  .c  o  m
    boolean hasNewPrice = false;
    AmazonEC2Client ec2Client = new AmazonEC2Client(AwsUtils.awsCredentialsProvider, AwsUtils.clientConfig);

    for (Region region : Region.getAllRegions()) {
        ec2Client.setEndpoint("ec2." + region.name + ".amazonaws.com");
        do {
            if (!StringUtils.isEmpty(token))
                req.setNextToken(token);
            DescribeReservedInstancesOfferingsResult offers = ec2Client.describeReservedInstancesOfferings(req);
            token = offers.getNextToken();

            for (ReservedInstancesOffering offer : offers.getReservedInstancesOfferings()) {
                if (offer.getProductDescription().indexOf("Amazon VPC") >= 0)
                    continue;
                ReservationUtilization utilization = ReservationUtilization.get(offer.getOfferingType());
                Ec2InstanceReservationPrice.ReservationPeriod term = offer.getDuration() / 24 / 3600 > 366
                        ? Ec2InstanceReservationPrice.ReservationPeriod.threeyear
                        : Ec2InstanceReservationPrice.ReservationPeriod.oneyear;
                if (term != this.term)
                    continue;

                double hourly = offer.getUsagePrice();
                if (hourly <= 0) {
                    for (RecurringCharge recurringCharge : offer.getRecurringCharges()) {
                        if (recurringCharge.getFrequency().equals("Hourly")) {
                            hourly = recurringCharge.getAmount();
                            break;
                        }
                    }
                }
                UsageType usageType = getUsageType(offer.getInstanceType(), offer.getProductDescription());
                hasNewPrice = setPrice(utilization, currentTime,
                        Zone.getZone(offer.getAvailabilityZone()).region, usageType, offer.getFixedPrice(),
                        hourly) || hasNewPrice;

                logger.info("Setting RI price for " + Zone.getZone(offer.getAvailabilityZone()).region + " "
                        + utilization + " " + usageType + " " + offer.getFixedPrice() + " " + hourly);
            }
        } while (!StringUtils.isEmpty(token));
    }

    ec2Client.shutdown();
    if (hasNewPrice) {
        for (ReservationUtilization utilization : files.keySet()) {
            File file = files.get(utilization);
            DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
            try {
                Serializer.serialize(out, this.ec2InstanceReservationPrices.get(utilization));
                AwsUtils.upload(config.workS3BucketName, config.workS3BucketPrefix, file);
            } finally {
                out.close();
            }
        }
    }
}

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