List of usage examples for com.amazonaws.services.ec2.model Address getDomain
public String getDomain()
Indicates whether this Elastic IP address is for use with instances in EC2-Classic (standard
) or instances in a VPC (vpc
).
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 va 2 s . c om "Found address with public IP %s, " + "domain %s, " + "allocation id %s " + "and NIC id %s", address.getPublicIp(), address.getDomain(), address.getAllocationId(), address.getNetworkInterfaceId()); } }
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 .j a v a2 s . c om * * 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. *///w ww .j av a 2 s . com 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 .j a va 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.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 .j a v a 2s . 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); } } }
From source file: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("Found address with public IP %s, domain %s, allocation id %s and NIC id %s", address.getPublicIp(), address.getDomain(), address.getAllocationId(), address.getNetworkInterfaceId()); }// www .ja v a 2 s .co m }
From source file:edu.umass.cs.aws.support.AWSEC2.java
License:Apache License
/** * * @param ec2// w ww. jav a 2 s. c o m * @param ip * @param instance */ public static void associateAddress(AmazonEC2 ec2, String ip, Instance instance) { Address address; if ((address = findElasticIP(ec2, ip)) != null) { if (address.getDomain().equals("vpc")) { System.out.println("VPC Elastic IP: " + ip); ec2.associateAddress(new AssociateAddressRequest().withInstanceId(instance.getInstanceId()) .withAllocationId(address.getAllocationId())); } else { System.out.println("EC2 Classic Elastic IP: " + ip); ec2.associateAddress(new AssociateAddressRequest(instance.getInstanceId(), ip)); } } }