public CreateVolumeResponseType CreateVolume(final CreateVolumeType request)
throws EucalyptusCloudException, AuthException {
Context ctx = Contexts.lookup();
Long volSize = request.getSize() != null ? Long.parseLong(request.getSize()) : null;
final String snapId = request.getSnapshotId();
String partition = request.getAvailabilityZone();
if ((request.getSnapshotId() == null && request.getSize() == null)) {
throw new EucalyptusCloudException("One of size or snapshotId is required as a parameter.");
}
if (snapId != null) {
try {
Transactions.find(Snapshot.named(null, snapId));
} catch (ExecutionException ex) {
throw new EucalyptusCloudException(
"Failed to create volume because the referenced snapshot id is invalid: " + snapId);
}
}
final Integer newSize = new Integer(request.getSize() != null ? request.getSize() : "-1");
Exception lastEx = null;
for (int i = 0; i < VOL_CREATE_RETRIES; i++) {
try {
final ServiceConfiguration sc =
Topology.lookup(Storage.class, Partitions.lookupByName(partition));
final UserFullName owner = ctx.getUserFullName();
Function<Long, Volume> allocator =
new Function<Long, Volume>() {
@Override
public Volume apply(Long size) {
try {
return Volumes.createStorageVolume(
sc, owner, snapId, Ints.checkedCast(size), request);
} catch (ExecutionException ex) {
throw Exceptions.toUndeclared(ex);
}
}
};
Volume newVol = RestrictedTypes.allocateMeasurableResource(newSize.longValue(), allocator);
CreateVolumeResponseType reply = request.getReply();
reply.setVolume(newVol.morph(new edu.ucsb.eucalyptus.msgs.Volume()));
return reply;
} catch (RuntimeException ex) {
LOG.error(ex, ex);
if (!(ex.getCause() instanceof ExecutionException)) {
throw ex;
} else {
lastEx = ex;
}
}
}
throw new EucalyptusCloudException(
"Failed to create volume after " + VOL_CREATE_RETRIES + " because of: " + lastEx, lastEx);
}
