Example usage for com.amazonaws.services.ec2.model DescribeAddressesResult getAddresses

Introduction

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

Prototype

public java.util.List<Address> getAddresses() 

Source Link

Document

Information about the Elastic IP addresses.

Usage

From source file:aws.example.ec2.DescribeAddresses.java

License:Open Source License

public static void main(String[] args) {
    final AmazonEC2 ec2 = AmazonEC2ClientBuilder.defaultClient();

    DescribeAddressesResult response = ec2.describeAddresses();

    for (Address address : response.getAddresses()) {
        System.out.printf(/*from  w w w  .j a v a2  s  .co m*/
                "Found address with public IP %s, " + "domain %s, " + "allocation id %s " + "and NIC id %s",
                address.getPublicIp(), address.getDomain(), address.getAllocationId(),
                address.getNetworkInterfaceId());
    }
}

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From source file:com.hpcloud.daas.ec2.AwsConsoleApp.java

License:Open Source License

public static void describeAddresses() {
    DescribeAddressesResult result = ec2.describeAddresses();
    List<Address> addresses = result.getAddresses();
    for (Address address : addresses) {
        System.out.println(address);
    }//from ww  w  .  ja  va2 s.c om
}

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From source file:com.hpcloud.daas.ec2.AwsConsoleApp.java

License:Open Source License

public static void cleanupPublicIPs() {
    DescribeAddressesResult result = ec2.describeAddresses();
    List<Address> addresses = result.getAddresses();

    for (Address address : addresses) {

        ReleaseAddressRequest releaseReq = new ReleaseAddressRequest();
        releaseReq.setAllocationId(address.getAllocationId());
        releaseReq.setPublicIp(address.getPublicIp());

        if (address.getInstanceId() == null || address.getInstanceId().equals("")) {
            ec2.releaseAddress(releaseReq);
        }// ww w. j a  va  2 s .  c om
    }
}

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From source file:com.netflix.eureka.aws.EIPManager.java

License:Apache License

/**
 * Checks if an EIP is bound and optionally binds the EIP.
 *
 * The list of EIPs are arranged with the EIPs allocated in the zone first
 * followed by other EIPs.//from   ww w .  ja  v a  2  s . c o m
 *
 * If an EIP is already bound to this instance this method simply returns. Otherwise, this method tries to find
 * an unused EIP based on information from AWS. If it cannot find any unused EIP this method, it will be retried
 * for a specified interval.
 *
 * One of the following scenarios can happen here :
 *
 *  1) If the instance is already bound to an EIP as deemed by AWS, no action is taken.
 *  2) If an EIP is already bound to another instance as deemed by AWS, that EIP is skipped.
 *  3) If an EIP is not already bound to an instance and if this instance is not bound to an EIP, then
 *     the EIP is bound to this instance.
 */
public void bindEIP() {
    InstanceInfo myInfo = applicationInfoManager.getInfo();
    String myInstanceId = ((AmazonInfo) myInfo.getDataCenterInfo()).get(MetaDataKey.instanceId);
    String myZone = ((AmazonInfo) myInfo.getDataCenterInfo()).get(MetaDataKey.availabilityZone);

    Collection<String> candidateEIPs = getCandidateEIPs(myInstanceId, myZone);

    AmazonEC2 ec2Service = getEC2Service();
    boolean isMyinstanceAssociatedWithEIP = false;
    Address selectedEIP = null;

    for (String eipEntry : candidateEIPs) {
        try {
            String associatedInstanceId;

            // Check with AWS, if this EIP is already been used by another instance
            DescribeAddressesRequest describeAddressRequest = new DescribeAddressesRequest()
                    .withPublicIps(eipEntry);
            DescribeAddressesResult result = ec2Service.describeAddresses(describeAddressRequest);
            if ((result.getAddresses() != null) && (!result.getAddresses().isEmpty())) {
                Address eipAddress = result.getAddresses().get(0);
                associatedInstanceId = eipAddress.getInstanceId();
                // This EIP is not used by any other instance, hence mark it for selection if it is not
                // already marked.
                if (((associatedInstanceId == null) || (associatedInstanceId.isEmpty()))) {
                    if (selectedEIP == null) {
                        selectedEIP = eipAddress;
                    }
                } else if (isMyinstanceAssociatedWithEIP = (associatedInstanceId.equals(myInstanceId))) {
                    // This EIP is associated with an instance, check if this is the same as the current instance.
                    // If it is the same, stop searching for an EIP as this instance is already associated with an
                    // EIP
                    selectedEIP = eipAddress;
                    break;
                } else {
                    // The EIP is used by some other instance, hence skip it
                    logger.warn("The selected EIP {} is associated with another instance {} according to AWS,"
                            + " hence skipping this", eipEntry, associatedInstanceId);
                }
            }
        } catch (Throwable t) {
            logger.error("Failed to bind elastic IP: {} to {}", eipEntry, myInstanceId, t);
        }
    }
    if (null != selectedEIP) {
        String publicIp = selectedEIP.getPublicIp();
        // Only bind if the EIP is not already associated
        if (!isMyinstanceAssociatedWithEIP) {

            AssociateAddressRequest associateAddressRequest = new AssociateAddressRequest()
                    .withInstanceId(myInstanceId);

            String domain = selectedEIP.getDomain();
            if ("vpc".equals(domain)) {
                associateAddressRequest.setAllocationId(selectedEIP.getAllocationId());
            } else {
                associateAddressRequest.setPublicIp(publicIp);
            }

            ec2Service.associateAddress(associateAddressRequest);
            logger.info("\n\n\nAssociated {} running in zone: {} to elastic IP: {}", myInstanceId, myZone,
                    publicIp);
        }
        logger.info("My instance {} seems to be already associated with the EIP {}", myInstanceId, publicIp);
    } else {
        logger.info("No EIP is free to be associated with this instance. Candidate EIPs are: {}",
                candidateEIPs);
    }
}

---

From source file:com.netflix.eureka.aws.EIPManager.java

License:Apache License

/**
 * Unbind the EIP that this instance is associated with.
 *///from   w  w  w  .j av a2s  . c om
public void unbindEIP() throws Exception {
    InstanceInfo myInfo = applicationInfoManager.getInfo();
    String myPublicIP = null;
    if (myInfo != null && myInfo.getDataCenterInfo().getName() == Name.Amazon) {
        myPublicIP = ((AmazonInfo) myInfo.getDataCenterInfo()).get(MetaDataKey.publicIpv4);
        if (myPublicIP == null) {
            logger.info("Instance is not associated with an EIP. Will not try to unbind");
            return;
        }

        try {
            AmazonEC2 ec2Service = getEC2Service();
            DescribeAddressesRequest describeAddressRequest = new DescribeAddressesRequest()
                    .withPublicIps(myPublicIP);
            DescribeAddressesResult result = ec2Service.describeAddresses(describeAddressRequest);
            if ((result.getAddresses() != null) && (!result.getAddresses().isEmpty())) {
                Address eipAddress = result.getAddresses().get(0);
                DisassociateAddressRequest dissociateRequest = new DisassociateAddressRequest();
                String domain = eipAddress.getDomain();
                if ("vpc".equals(domain)) {
                    dissociateRequest.setAssociationId(eipAddress.getAssociationId());
                } else {
                    dissociateRequest.setPublicIp(eipAddress.getPublicIp());
                }

                ec2Service.disassociateAddress(dissociateRequest);
                logger.info("Dissociated the EIP {} from this instance", myPublicIP);
            }
        } catch (Throwable e) {
            throw new RuntimeException("Cannot dissociate address from this instance", e);
        }
    }

}

---

From source file:com.netflix.eureka.util.EIPManager.java

License:Apache License

/**
 * Checks if an EIP is bound and optionally binds the EIP.
 *
 * The list of EIPs are arranged with the EIPs allocated in the zone first
 * followed by other EIPs.//from  w ww .ja va  2s .c  o  m
 *
 * If an EIP is already bound to this instance this method simply returns. Otherwise, this method tries to find
 * an unused EIP based on information from AWS. If it cannot find any unused EIP this method, it will be retried
 * for a specified interval.
 *
 * One of the following scenarios can happen here :
 *
 *  1) If the instance is already bound to an EIP as deemed by AWS, no action is taken.
 *  2) If an EIP is already bound to another instance as deemed by AWS, that EIP is skipped.
 *  3) If an EIP is not already bound to an instance and if this instance is not bound to an EIP, then
 *     the EIP is bound to this instance.
 */
public void bindEIP() {
    InstanceInfo myInfo = ApplicationInfoManager.getInstance().getInfo();
    String myInstanceId = ((AmazonInfo) myInfo.getDataCenterInfo()).get(MetaDataKey.instanceId);
    String myZone = ((AmazonInfo) myInfo.getDataCenterInfo()).get(MetaDataKey.availabilityZone);

    Collection<String> candidateEIPs = getCandidateEIPs(myInstanceId, myZone);

    AmazonEC2 ec2Service = getEC2Service();
    boolean isMyinstanceAssociatedWithEIP = false;
    Address selectedEIP = null;

    for (String eipEntry : candidateEIPs) {
        try {
            String associatedInstanceId;

            // Check with AWS, if this EIP is already been used by another instance
            DescribeAddressesRequest describeAddressRequest = new DescribeAddressesRequest()
                    .withPublicIps(eipEntry);
            DescribeAddressesResult result = ec2Service.describeAddresses(describeAddressRequest);
            if ((result.getAddresses() != null) && (!result.getAddresses().isEmpty())) {
                Address eipAddress = result.getAddresses().get(0);
                associatedInstanceId = eipAddress.getInstanceId();
                // This EIP is not used by any other instance, hence mark it for selection if it is not
                // already marked.
                if (((associatedInstanceId == null) || (associatedInstanceId.isEmpty()))) {
                    if (selectedEIP == null) {
                        selectedEIP = eipAddress;
                    }
                } else if (isMyinstanceAssociatedWithEIP = (associatedInstanceId.equals(myInstanceId))) {
                    // This EIP is associated with an instance, check if this is the same as the current instance.
                    // If it is the same, stop searching for an EIP as this instance is already associated with an
                    // EIP
                    selectedEIP = eipAddress;
                    break;
                } else {
                    // The EIP is used by some other instance, hence skip it
                    logger.warn(
                            "The selected EIP {} is associated with another instance {} according to AWS, hence "
                                    + "skipping this",
                            eipEntry, associatedInstanceId);
                }
            }
        } catch (Throwable t) {
            logger.error("Failed to bind elastic IP: " + eipEntry + " to " + myInstanceId, t);
        }
    }
    if (null != selectedEIP) {
        String publicIp = selectedEIP.getPublicIp();
        // Only bind if the EIP is not already associated
        if (!isMyinstanceAssociatedWithEIP) {

            AssociateAddressRequest associateAddressRequest = new AssociateAddressRequest()
                    .withInstanceId(myInstanceId);

            String domain = selectedEIP.getDomain();
            if ("vpc".equals(domain)) {
                associateAddressRequest.setAllocationId(selectedEIP.getAllocationId());
            } else {
                associateAddressRequest.setPublicIp(publicIp);
            }

            ec2Service.associateAddress(associateAddressRequest);
            logger.info("\n\n\nAssociated " + myInstanceId + " running in zone: " + myZone + " to elastic IP: "
                    + publicIp);
        }
        logger.info("My instance {} seems to be already associated with the EIP {}", myInstanceId, publicIp);
    } else {
        logger.info("No EIP is free to be associated with this instance. Candidate EIPs are: " + candidateEIPs);
    }
}

---

From source file:com.netflix.eureka.util.EIPManager.java

License:Apache License

/**
 * Unbind the EIP that this instance is associated with.
 *//*  w  ww  .  ja va 2  s .  c  om*/
public void unbindEIP() {
    InstanceInfo myInfo = ApplicationInfoManager.getInstance().getInfo();
    String myPublicIP = null;
    if (myInfo != null && myInfo.getDataCenterInfo().getName() == Name.Amazon) {
        myPublicIP = ((AmazonInfo) myInfo.getDataCenterInfo()).get(MetaDataKey.publicIpv4);
        try {
            AmazonEC2 ec2Service = getEC2Service();
            DescribeAddressesRequest describeAddressRequest = new DescribeAddressesRequest()
                    .withPublicIps(myPublicIP);
            DescribeAddressesResult result = ec2Service.describeAddresses(describeAddressRequest);
            if ((result.getAddresses() != null) && (!result.getAddresses().isEmpty())) {
                Address eipAddress = result.getAddresses().get(0);
                DisassociateAddressRequest dissociateRequest = new DisassociateAddressRequest();
                String domain = eipAddress.getDomain();
                if ("vpc".equals(domain)) {
                    dissociateRequest.setAssociationId(eipAddress.getAssociationId());
                } else {
                    dissociateRequest.setPublicIp(eipAddress.getPublicIp());
                }

                ec2Service.disassociateAddress(dissociateRequest);
                logger.info("Dissociated the EIP {} from this instance", myPublicIP);
            }
        } catch (Throwable e) {
            throw new RuntimeException("Cannot dissociate address" + myPublicIP + "from this instance", e);
        }
    }

}

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From source file:com.oracle.coherence.cloud.amazon.EC2AddressProvider.java

License:Open Source License

/**
 * Generates the WKA list using an AmazonEC2 client.
 * //from   ww  w  .  jav  a2s  .  c  om
 * @param ec2 the {@link AmazonEC2} client to use.
 * 
 * @return the WKA list
 */
protected List<InetSocketAddress> generateWKAList(AmazonEC2 ec2) {
    String portString = System.getProperty("tangosol.coherence.ec2addressprovider.port", "8088");
    int wkaPort = Integer.parseInt(portString);

    List<InetSocketAddress> resultList = new ArrayList<InetSocketAddress>();

    DescribeInstancesResult describeInstancesResult = ec2.describeInstances();
    List<Reservation> reservations = describeInstancesResult.getReservations();
    Set<Instance> instances = new HashSet<Instance>();

    for (Reservation reservation : reservations) {
        instances.addAll(reservation.getInstances());
        if (logger.isLoggable(Level.CONFIG)) {
            logger.log(Level.CONFIG, "Examining EC2 reservation:" + reservation);
        }
    }
    logAllInstances(instances);
    DescribeAddressesResult elasticAddressesResult = ec2.describeAddresses();

    if (elasticAddressesResult != null) {
        for (Iterator<Address> elasticAddressIter = elasticAddressesResult.getAddresses()
                .iterator(); elasticAddressIter.hasNext();) {
            Address elasticAddress = elasticAddressIter.next();

            for (Iterator<Instance> instIter = instances.iterator(); instIter.hasNext();) {
                Instance instance = instIter.next();

                if (instance.getInstanceId().equals(elasticAddress.getInstanceId())) {
                    //Now we have a match - add with default port
                    if (logger.isLoggable(Level.CONFIG)) {
                        logger.log(Level.CONFIG,
                                "EC2AddressProvider - adding {0} from instance {1} to WKA list",
                                new Object[] { instance.getPrivateIpAddress(), instance });
                    }
                    resultList.add(new InetSocketAddress(instance.getPrivateIpAddress(), wkaPort));
                }
            }
        }
        if (resultList.size() == 0) {
            throw new RuntimeException(
                    "The EC2AddressProvider could not find any instance mapped to an Elastic IP");
        }
    } else {
        throw new RuntimeException("The EC2AddressProvider could not enumerate the Elastic IP Addresses");
    }
    return resultList;
}

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From source file:com.urbancode.terraform.tasks.aws.helpers.AWSHelper.java

License:Apache License

/**
 * Cleans up any elastic ips that are not associated with anything (via associationId).
 * The addresses are released./*w  ww  .  j  a va  2s .c  o m*/
 *
 * @param ec2Client
 */
public void cleanupElasticIps(AmazonEC2 ec2Client) {
    DescribeAddressesResult result = ec2Client.describeAddresses();
    List<Address> addresses = result.getAddresses();
    if (addresses != null) {
        for (Address address : addresses) {
            if (address.getAssociationId() != null && !address.getAssociationId().equals("")) {
                ReleaseAddressRequest request = new ReleaseAddressRequest()
                        .withAllocationId(address.getAllocationId());
                ec2Client.releaseAddress(request);
            }
        }
    }
}

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From source file:com.urbancode.terraform.tasks.aws.helpers.AWSHelper.java

License:Apache License

/**
 * Retrieves the AssocaitionId (given when you associate an elastic IP with an instance)
 *  from the AllocationId (given when you request an elastic IP)
 *
 * @param allocId//from w w w .j av  a 2  s.  c  o m
 * @param ec2Client
 * @return
 */
public String getAssociationIdForAllocationId(String allocId, AmazonEC2 ec2Client) {
    String assocId = null;
    try {
        DescribeAddressesRequest request = new DescribeAddressesRequest().withAllocationIds(allocId);
        DescribeAddressesResult result = ec2Client.describeAddresses(request);
        List<Address> addresses = result.getAddresses();
        if (addresses != null & !addresses.isEmpty()) {
            if (addresses.size() > 1) {
                log.error("Found more than one Address for allocationId ( " + allocId + " ) !");
            }
            assocId = addresses.get(0).getAssociationId();
        }
    } catch (AmazonServiceException e) {
        log.error("AmazonSerivceException caught while trying to get Association Id", e);
        if (!"InvalidAllocationID.NotFound".equals(e.getErrorCode())) {
            throw e;
        }
    }
    return assocId;
}

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