protected IPAssignment allocateIp(IpAddress ipAddress, Network network) {
Instance instance = getInstanceForPrimaryIp(ipAddress);
IPAssignment ip = null;
String requestedIp = null;
if (instance != null) {
String allocatedIpAddress =
DataAccessor.fieldString(instance, InstanceConstants.FIELD_ALLOCATED_IP_ADDRESS);
if (allocatedIpAddress != null) {
ip = new IPAssignment(allocatedIpAddress, null);
}
requestedIp =
DataAccessor.fieldString(instance, InstanceConstants.FIELD_REQUESTED_IP_ADDRESS);
}
if (ip == null) {
ip = networkService.assignIpAddress(network, ipAddress, requestedIp);
if (ip == null) {
objectProcessManager.scheduleStandardProcess(StandardProcess.DEACTIVATE, ipAddress, null);
throw new ResourceExhaustionException(
"IP allocation error", "Failed to allocate IP from subnet", ipAddress);
}
}
return ip;
}
@Override
public HandlerResult handle(ProcessState state, ProcessInstance process) {
IpAddress ipAddress = (IpAddress) state.getResource();
Network network = objectManager.loadResource(Network.class, ipAddress.getNetworkId());
if (!networkService.shouldAssignIpAddress(network)) {
return null;
}
String assignedIp = ipAddress.getAddress();
Long subnetId = ipAddress.getSubnetId();
IPAssignment assignment = allocateIp(ipAddress, network);
if (assignment != null) {
assignedIp = assignment.getIpAddress();
if (assignment.getSubnet() != null) {
subnetId = assignment.getSubnet().getId();
}
}
return new HandlerResult(
IP_ADDRESS.ADDRESS, assignedIp,
IP_ADDRESS.SUBNET_ID, subnetId,
IP_ADDRESS.NAME,
StringUtils.isBlank(ipAddress.getName()) ? assignedIp : ipAddress.getName());
}