Example usage for com.amazonaws.auth AWSSessionCredentials AWSSessionCredentials

Introduction

In this page you can find the example usage for com.amazonaws.auth AWSSessionCredentials AWSSessionCredentials.

Prototype

AWSSessionCredentials

Source Link

Usage

From source file:com.netflix.ice.processor.ReservationCapacityPoller.java

License:Apache License

@Override
protected void poll() throws Exception {
    ProcessorConfig config = ProcessorConfig.getInstance();

    // read from s3 if not exists
    File file = new File(config.localDir, "reservation_capacity.txt");

    if (!file.exists()) {
        logger.info("downloading " + file + "...");
        AwsUtils.downloadFileIfNotExist(config.workS3BucketName, config.workS3BucketPrefix, file);
        logger.info("downloaded " + file);
    }//  w  w  w .j a v  a  2 s.c o  m

    // read from file
    Map<String, ReservedInstances> reservations = Maps.newTreeMap();
    if (file.exists()) {
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new FileReader(file));
            String line;

            while ((line = reader.readLine()) != null) {
                String[] tokens = line.split(",");
                String accountId = tokens[0];
                String region = tokens[1];
                String reservationId = tokens[2];
                String zone = tokens[3];
                Long start = Long.parseLong(tokens[4]);
                long duration = Long.parseLong(tokens[5]);
                String instanceType = tokens[6];
                String productDescription = tokens[7];
                int instanceCount = Integer.parseInt(tokens[8]);
                String offeringType = tokens[9];
                String state = tokens[10];
                Long end = tokens.length > 11 ? Long.parseLong(tokens[11]) : null;
                float fixedPrice = tokens.length > 12 ? Float.parseFloat(tokens[12]) : 0;
                float usagePrice = tokens.length > 13 ? Float.parseFloat(tokens[13]) : 0;

                ReservedInstances reservation = new ReservedInstances().withAvailabilityZone(zone)
                        .withStart(new Date(start)).withDuration(duration).withInstanceType(instanceType)
                        .withProductDescription(productDescription).withInstanceCount(instanceCount)
                        .withOfferingType(offeringType).withState(state).withFixedPrice(fixedPrice)
                        .withUsagePrice(usagePrice);
                if (end != null)
                    reservation.setEnd(new Date(end));
                else
                    reservation.setEnd(new Date(start + duration * 1000));

                reservations.put(accountId + "," + region + "," + reservationId, reservation);
            }
        } catch (Exception e) {
            logger.error("error in reading " + file, e);
        } finally {
            if (reader != null)
                try {
                    reader.close();
                } catch (Exception e) {
                }
        }
    }
    logger.info("read " + reservations.size() + " reservations.");

    for (Account account : config.accountService.getReservationAccounts().keySet()) {
        try {
            AmazonEC2Client ec2Client;
            String assumeRole = config.accountService.getReservationAccessRoles().get(account);
            if (assumeRole != null) {
                String externalId = config.accountService.getReservationAccessExternalIds().get(account);
                final Credentials credentials = AwsUtils.getAssumedCredentials(account.id, assumeRole,
                        externalId);
                ec2Client = new AmazonEC2Client(new AWSSessionCredentials() {
                    public String getAWSAccessKeyId() {
                        return credentials.getAccessKeyId();
                    }

                    public String getAWSSecretKey() {
                        return credentials.getSecretAccessKey();
                    }

                    public String getSessionToken() {
                        return credentials.getSessionToken();
                    }
                });
            } else
                ec2Client = new AmazonEC2Client(AwsUtils.awsCredentialsProvider.getCredentials(),
                        AwsUtils.clientConfig);

            for (Region region : Region.getAllRegions()) {

                ec2Client.setEndpoint("ec2." + region.name + ".amazonaws.com");

                try {
                    DescribeReservedInstancesResult result = ec2Client.describeReservedInstances();
                    for (ReservedInstances reservation : result.getReservedInstances()) {
                        String key = account.id + "," + region.name + ","
                                + reservation.getReservedInstancesId();
                        reservations.put(key, reservation);
                        if (reservation.getEnd() == null)
                            reservation.setEnd(new Date(
                                    reservation.getStart().getTime() + reservation.getDuration() * 1000L));
                        if (reservation.getFixedPrice() == null)
                            reservation.setFixedPrice(0f);
                        if (reservation.getUsagePrice() == null)
                            reservation.setUsagePrice(0f);
                    }
                } catch (Exception e) {
                    logger.error("error in describeReservedInstances for " + region.name + " " + account.name,
                            e);
                }
            }

            ec2Client.shutdown();
        } catch (Exception e) {
            logger.error("Error in describeReservedInstances for " + account.name, e);
        }
    }

    config.reservationService.updateEc2Reservations(reservations);
    updatedConfig = true;

    // archive to disk
    BufferedWriter writer = null;
    try {
        writer = new BufferedWriter(new FileWriter(file));
        for (String key : reservations.keySet()) {
            ReservedInstances reservation = reservations.get(key);
            String[] line = new String[] { key, reservation.getAvailabilityZone(),
                    reservation.getStart().getTime() + "", reservation.getDuration().toString(),
                    reservation.getInstanceType(), reservation.getProductDescription(),
                    reservation.getInstanceCount().toString(), reservation.getOfferingType(),
                    reservation.getState(), reservation.getEnd().getTime() + "",
                    reservation.getFixedPrice() + "", reservation.getUsagePrice() + "", };
            writer.write(StringUtils.join(line, ","));
            writer.newLine();
        }
    } catch (Exception e) {
        logger.error("", e);
    } finally {
        if (writer != null)
            try {
                writer.close();
            } catch (Exception e) {
            }
    }
    logger.info("archived " + reservations.size() + " reservations.");

    // archive to s3
    logger.info("uploading " + file + "...");
    AwsUtils.upload(config.workS3BucketName, config.workS3BucketPrefix, config.localDir, file.getName());
    logger.info("uploaded " + file);
}

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From source file:io.druid.common.aws.FileSessionCredentialsProvider.java

License:Apache License

@Override
public AWSCredentials getCredentials() {
    return new AWSSessionCredentials() {
        @Override/*  w  w  w .  java  2 s . c om*/
        public String getSessionToken() {
            return sessionToken;
        }

        @Override
        public String getAWSAccessKeyId() {
            return accessKey;
        }

        @Override
        public String getAWSSecretKey() {
            return secretKey;
        }
    };
}

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