private List<BlockDeviceMapping> getNewEphemeralDeviceMapping() {
final List<BlockDeviceMapping> oldDeviceMapping = getAmiBlockDeviceMappings();
final Set<String> occupiedDevices = new HashSet<String>();
for (final BlockDeviceMapping mapping : oldDeviceMapping) {
occupiedDevices.add(mapping.getDeviceName());
}
final List<String> available =
new ArrayList<String>(
Arrays.asList("ephemeral0", "ephemeral1", "ephemeral2", "ephemeral3"));
final List<BlockDeviceMapping> newDeviceMapping = new ArrayList<BlockDeviceMapping>(4);
for (char suffix = 'b'; suffix <= 'z' && !available.isEmpty(); suffix++) {
final String deviceName = String.format("/dev/xvd%s", suffix);
if (occupiedDevices.contains(deviceName)) continue;
final BlockDeviceMapping newMapping =
new BlockDeviceMapping().withDeviceName(deviceName).withVirtualName(available.get(0));
newDeviceMapping.add(newMapping);
available.remove(0);
}
return newDeviceMapping;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (obj instanceof BlockDeviceMapping == false) return false;
BlockDeviceMapping other = (BlockDeviceMapping) obj;
if (other.getVirtualName() == null ^ this.getVirtualName() == null) return false;
if (other.getVirtualName() != null
&& other.getVirtualName().equals(this.getVirtualName()) == false) return false;
if (other.getDeviceName() == null ^ this.getDeviceName() == null) return false;
if (other.getDeviceName() != null
&& other.getDeviceName().equals(this.getDeviceName()) == false) return false;
if (other.getEbs() == null ^ this.getEbs() == null) return false;
if (other.getEbs() != null && other.getEbs().equals(this.getEbs()) == false) return false;
if (other.getNoDevice() == null ^ this.getNoDevice() == null) return false;
if (other.getNoDevice() != null && other.getNoDevice().equals(this.getNoDevice()) == false)
return false;
return true;
}
public Request<CreateImageRequest> marshall(CreateImageRequest createImageRequest) {
if (createImageRequest == null) {
throw new AmazonClientException("Invalid argument passed to marshall(...)");
}
Request<CreateImageRequest> request =
new DefaultRequest<CreateImageRequest>(createImageRequest, "AmazonEC2");
request.addParameter("Action", "CreateImage");
request.addParameter("Version", "2014-06-15");
if (createImageRequest.getInstanceId() != null) {
request.addParameter(
"InstanceId", StringUtils.fromString(createImageRequest.getInstanceId()));
}
if (createImageRequest.getName() != null) {
request.addParameter("Name", StringUtils.fromString(createImageRequest.getName()));
}
if (createImageRequest.getDescription() != null) {
request.addParameter(
"Description", StringUtils.fromString(createImageRequest.getDescription()));
}
if (createImageRequest.isNoReboot() != null) {
request.addParameter("NoReboot", StringUtils.fromBoolean(createImageRequest.isNoReboot()));
}
java.util.List<BlockDeviceMapping> blockDeviceMappingsList =
createImageRequest.getBlockDeviceMappings();
int blockDeviceMappingsListIndex = 1;
for (BlockDeviceMapping blockDeviceMappingsListValue : blockDeviceMappingsList) {
BlockDeviceMapping blockDeviceMappingMember = blockDeviceMappingsListValue;
if (blockDeviceMappingMember != null) {
if (blockDeviceMappingMember.getVirtualName() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".VirtualName",
StringUtils.fromString(blockDeviceMappingMember.getVirtualName()));
}
if (blockDeviceMappingMember.getDeviceName() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".DeviceName",
StringUtils.fromString(blockDeviceMappingMember.getDeviceName()));
}
EbsBlockDevice ebsBlockDeviceEbs = blockDeviceMappingMember.getEbs();
if (ebsBlockDeviceEbs != null) {
if (ebsBlockDeviceEbs.getSnapshotId() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.SnapshotId",
StringUtils.fromString(ebsBlockDeviceEbs.getSnapshotId()));
}
if (ebsBlockDeviceEbs.getVolumeSize() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.VolumeSize",
StringUtils.fromInteger(ebsBlockDeviceEbs.getVolumeSize()));
}
if (ebsBlockDeviceEbs.isDeleteOnTermination() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.DeleteOnTermination",
StringUtils.fromBoolean(ebsBlockDeviceEbs.isDeleteOnTermination()));
}
if (ebsBlockDeviceEbs.getVolumeType() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.VolumeType",
StringUtils.fromString(ebsBlockDeviceEbs.getVolumeType()));
}
if (ebsBlockDeviceEbs.getIops() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.Iops",
StringUtils.fromInteger(ebsBlockDeviceEbs.getIops()));
}
if (ebsBlockDeviceEbs.isEncrypted() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.Encrypted",
StringUtils.fromBoolean(ebsBlockDeviceEbs.isEncrypted()));
}
}
if (blockDeviceMappingMember.getNoDevice() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".NoDevice",
StringUtils.fromString(blockDeviceMappingMember.getNoDevice()));
}
}
blockDeviceMappingsListIndex++;
}
return request;
}
public Request<RegisterImageRequest> marshall(RegisterImageRequest registerImageRequest) {
if (registerImageRequest == null) {
throw new AmazonClientException("Invalid argument passed to marshall(...)");
}
Request<RegisterImageRequest> request =
new DefaultRequest<RegisterImageRequest>(registerImageRequest, "AmazonEC2");
request.addParameter("Action", "RegisterImage");
request.addParameter("Version", "2014-05-01");
if (registerImageRequest.getImageLocation() != null) {
request.addParameter(
"ImageLocation", StringUtils.fromString(registerImageRequest.getImageLocation()));
}
if (registerImageRequest.getName() != null) {
request.addParameter("Name", StringUtils.fromString(registerImageRequest.getName()));
}
if (registerImageRequest.getDescription() != null) {
request.addParameter(
"Description", StringUtils.fromString(registerImageRequest.getDescription()));
}
if (registerImageRequest.getArchitecture() != null) {
request.addParameter(
"Architecture", StringUtils.fromString(registerImageRequest.getArchitecture()));
}
if (registerImageRequest.getKernelId() != null) {
request.addParameter("KernelId", StringUtils.fromString(registerImageRequest.getKernelId()));
}
if (registerImageRequest.getRamdiskId() != null) {
request.addParameter(
"RamdiskId", StringUtils.fromString(registerImageRequest.getRamdiskId()));
}
if (registerImageRequest.getRootDeviceName() != null) {
request.addParameter(
"RootDeviceName", StringUtils.fromString(registerImageRequest.getRootDeviceName()));
}
java.util.List<BlockDeviceMapping> blockDeviceMappingsList =
registerImageRequest.getBlockDeviceMappings();
int blockDeviceMappingsListIndex = 1;
for (BlockDeviceMapping blockDeviceMappingsListValue : blockDeviceMappingsList) {
BlockDeviceMapping blockDeviceMappingMember = blockDeviceMappingsListValue;
if (blockDeviceMappingMember != null) {
if (blockDeviceMappingMember.getVirtualName() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".VirtualName",
StringUtils.fromString(blockDeviceMappingMember.getVirtualName()));
}
if (blockDeviceMappingMember.getDeviceName() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".DeviceName",
StringUtils.fromString(blockDeviceMappingMember.getDeviceName()));
}
EbsBlockDevice ebsBlockDeviceEbs = blockDeviceMappingMember.getEbs();
if (ebsBlockDeviceEbs != null) {
if (ebsBlockDeviceEbs.getSnapshotId() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.SnapshotId",
StringUtils.fromString(ebsBlockDeviceEbs.getSnapshotId()));
}
if (ebsBlockDeviceEbs.getVolumeSize() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.VolumeSize",
StringUtils.fromInteger(ebsBlockDeviceEbs.getVolumeSize()));
}
if (ebsBlockDeviceEbs.isDeleteOnTermination() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.DeleteOnTermination",
StringUtils.fromBoolean(ebsBlockDeviceEbs.isDeleteOnTermination()));
}
if (ebsBlockDeviceEbs.getVolumeType() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.VolumeType",
StringUtils.fromString(ebsBlockDeviceEbs.getVolumeType()));
}
if (ebsBlockDeviceEbs.getIops() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.Iops",
StringUtils.fromInteger(ebsBlockDeviceEbs.getIops()));
}
if (ebsBlockDeviceEbs.isEncrypted() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".Ebs.Encrypted",
StringUtils.fromBoolean(ebsBlockDeviceEbs.isEncrypted()));
}
}
if (blockDeviceMappingMember.getNoDevice() != null) {
request.addParameter(
"BlockDeviceMapping." + blockDeviceMappingsListIndex + ".NoDevice",
StringUtils.fromString(blockDeviceMappingMember.getNoDevice()));
}
}
blockDeviceMappingsListIndex++;
}
if (registerImageRequest.getVirtualizationType() != null) {
request.addParameter(
"VirtualizationType",
StringUtils.fromString(registerImageRequest.getVirtualizationType()));
}
if (registerImageRequest.getSriovNetSupport() != null) {
request.addParameter(
"SriovNetSupport", StringUtils.fromString(registerImageRequest.getSriovNetSupport()));
}
return request;
}
/** @param args */
public static void main(String[] args) {
// ============================================================================================//
// =============================== Submitting a Request
// =======================================//
// ============================================================================================//
// Create the AmazonEC2Client object so we can call various APIs.
AmazonEC2 ec2 = new AmazonEC2Client(new ClasspathPropertiesFileCredentialsProvider());
Region usWest2 = Region.getRegion(Regions.US_WEST_2);
ec2.setRegion(usWest2);
// Initializes a Spot Instance Request
RequestSpotInstancesRequest requestRequest = new RequestSpotInstancesRequest();
// *************************** Required Parameters Settings ************************//
// Request 1 x t1.micro instance with a bid price of $0.03.
requestRequest.setSpotPrice("0.03");
requestRequest.setInstanceCount(Integer.valueOf(1));
// Setup the specifications of the launch. This includes the instance type (e.g. t1.micro)
// and the latest Amazon Linux AMI id available. Note, you should always use the latest
// Amazon Linux AMI id or another of your choosing.
LaunchSpecification launchSpecification = new LaunchSpecification();
launchSpecification.setImageId("ami-8c1fece5");
launchSpecification.setInstanceType("t1.micro");
// Add the security group to the request.
ArrayList<String> securityGroups = new ArrayList<String>();
securityGroups.add("GettingStartedGroup");
launchSpecification.setSecurityGroups(securityGroups);
// *************************** Bid Type Settings ************************//
// Set the type of the bid to persistent.
requestRequest.setType("persistent");
// *************************** Valid From/To Settings ************************//
// Set the valid start time to be two minutes from now.
Calendar from = Calendar.getInstance();
from.add(Calendar.MINUTE, 2);
requestRequest.setValidFrom(from.getTime());
// Set the valid end time to be two minutes and two hours from now.
Calendar until = (Calendar) from.clone();
until.add(Calendar.HOUR, 2);
requestRequest.setValidUntil(until.getTime());
// *************************** Launch Group Settings ************************//
// Set the launch group.
requestRequest.setLaunchGroup("ADVANCED-DEMO-LAUNCH-GROUP");
// *************************** Availability Zone Group Settings ************************//
// Set the availability zone group.
requestRequest.setAvailabilityZoneGroup("ADVANCED-DEMO-AZ-GROUP");
// *************************** Add the block device mapping ************************//
// Goal: Setup block device mappings to ensure that we will not delete
// the root partition on termination.
// Create the block device mapping to describe the root partition.
BlockDeviceMapping blockDeviceMapping = new BlockDeviceMapping();
blockDeviceMapping.setDeviceName("/dev/sda1");
// Set the delete on termination flag to false.
EbsBlockDevice ebs = new EbsBlockDevice();
ebs.setDeleteOnTermination(Boolean.FALSE);
blockDeviceMapping.setEbs(ebs);
// Add the block device mapping to the block list.
ArrayList<BlockDeviceMapping> blockList = new ArrayList<BlockDeviceMapping>();
blockList.add(blockDeviceMapping);
// Set the block device mapping configuration in the launch specifications.
launchSpecification.setBlockDeviceMappings(blockList);
// *************************** Add the availability zone ************************//
// Setup the availability zone to use. Note we could retrieve the availability
// zones using the ec2.describeAvailabilityZones() API. For this demo we will just use
// us-east-1b.
SpotPlacement placement = new SpotPlacement("us-east-1b");
launchSpecification.setPlacement(placement);
// *************************** Add the placement group ************************//
// Setup the placement group to use with whatever name you desire.
// For this demo we will just use "ADVANCED-DEMO-PLACEMENT-GROUP".
// Note: We have commented this out, because we are not leveraging cc1.4xlarge or
// cg1.4xlarge in this example.
/*
SpotPlacement pg = new SpotPlacement();
pg.setGroupName("ADVANCED-DEMO-PLACEMENT-GROUP");
launchSpecification.setPlacement(pg);
*/
// *************************** Add the launch specification ************************//
// Add the launch specification.
requestRequest.setLaunchSpecification(launchSpecification);
// ============================================================================================//
// =========================== Getting the Request ID from the Request
// ========================//
// ============================================================================================//
// Call the RequestSpotInstance API.
RequestSpotInstancesResult requestResult = ec2.requestSpotInstances(requestRequest);
List<SpotInstanceRequest> requestResponses = requestResult.getSpotInstanceRequests();
// Setup an arraylist to collect all of the request ids we want to watch hit the running
// state.
ArrayList<String> spotInstanceRequestIds = new ArrayList<String>();
// Add all of the request ids to the hashset, so we can determine when they hit the
// active state.
for (SpotInstanceRequest requestResponse : requestResponses) {
System.out.println("Created Spot Request: " + requestResponse.getSpotInstanceRequestId());
spotInstanceRequestIds.add(requestResponse.getSpotInstanceRequestId());
}
// ============================================================================================//
// =========================== Determining the State of the Spot Request
// ======================//
// ============================================================================================//
// Create a variable that will track whether there are any requests still in the open state.
boolean anyOpen;
// Initialize variables.
ArrayList<String> instanceIds = new ArrayList<String>();
do {
// Create the describeRequest with tall of the request id to monitor (e.g. that we started).
DescribeSpotInstanceRequestsRequest describeRequest =
new DescribeSpotInstanceRequestsRequest();
describeRequest.setSpotInstanceRequestIds(spotInstanceRequestIds);
// Initialize the anyOpen variable to false ??? which assumes there are no requests open
// unless
// we find one that is still open.
anyOpen = false;
try {
// Retrieve all of the requests we want to monitor.
DescribeSpotInstanceRequestsResult describeResult =
ec2.describeSpotInstanceRequests(describeRequest);
List<SpotInstanceRequest> describeResponses = describeResult.getSpotInstanceRequests();
// Look through each request and determine if they are all in the active state.
for (SpotInstanceRequest describeResponse : describeResponses) {
// If the state is open, it hasn't changed since we attempted to request it.
// There is the potential for it to transition almost immediately to closed or
// cancelled so we compare against open instead of active.
if (describeResponse.getState().equals("open")) {
anyOpen = true;
break;
}
// Add the instance id to the list we will eventually terminate.
instanceIds.add(describeResponse.getInstanceId());
}
} catch (AmazonServiceException e) {
// If we have an exception, ensure we don't break out of the loop.
// This prevents the scenario where there was blip on the wire.
anyOpen = true;
}
try {
// Sleep for 60 seconds.
Thread.sleep(60 * 1000);
} catch (Exception e) {
// Do nothing because it woke up early.
}
} while (anyOpen);
// ============================================================================================//
// ====================================== Canceling the Request ==============================//
// ============================================================================================//
try {
// Cancel requests.
CancelSpotInstanceRequestsRequest cancelRequest =
new CancelSpotInstanceRequestsRequest(spotInstanceRequestIds);
ec2.cancelSpotInstanceRequests(cancelRequest);
} catch (AmazonServiceException e) {
// Write out any exceptions that may have occurred.
System.out.println("Error cancelling instances");
System.out.println("Caught Exception: " + e.getMessage());
System.out.println("Reponse Status Code: " + e.getStatusCode());
System.out.println("Error Code: " + e.getErrorCode());
System.out.println("Request ID: " + e.getRequestId());
}
// ============================================================================================//
// =================================== Terminating any Instances
// ==============================//
// ============================================================================================//
try {
// Terminate instances.
TerminateInstancesRequest terminateRequest = new TerminateInstancesRequest(instanceIds);
ec2.terminateInstances(terminateRequest);
} catch (AmazonServiceException e) {
// Write out any exceptions that may have occurred.
System.out.println("Error terminating instances");
System.out.println("Caught Exception: " + e.getMessage());
System.out.println("Reponse Status Code: " + e.getStatusCode());
System.out.println("Error Code: " + e.getErrorCode());
System.out.println("Request ID: " + e.getRequestId());
}
}