private boolean releaseIpAddressInternal(long ipAddressId) throws InsufficientAddressCapacityException {
Long userId = UserContext.current().getCallerUserId();
Account caller = UserContext.current().getCaller();
// Verify input parameters
IPAddressVO ipVO = _ipAddressDao.findById(ipAddressId);
if (ipVO == null) {
throw new InvalidParameterValueException("Unable to find ip address by id");
}
if (ipVO.getAllocatedTime() == null) {
s_logger.debug("Ip Address id= " + ipAddressId + " is not allocated, so do nothing.");
return true;
}
// verify permissions
if (ipVO.getAllocatedToAccountId() != null) {
_accountMgr.checkAccess(caller, null, true, ipVO);
}
if (ipVO.isSourceNat()) {
throw new IllegalArgumentException("ip address is used for source nat purposes and can not be disassociated.");
}
VlanVO vlan = _vlanDao.findById(ipVO.getVlanId());
if (!vlan.getVlanType().equals(VlanType.VirtualNetwork)) {
throw new IllegalArgumentException("only ip addresses that belong to a virtual network may be disassociated.");
}
// don't allow releasing system ip address
if (ipVO.getSystem()) {
InvalidParameterValueException ex = new InvalidParameterValueException("Can't release system IP address with specified id");
ex.addProxyObject(ipVO.getUuid(), "systemIpAddrId");
throw ex;
}
boolean success = _networkMgr.disassociatePublicIpAddress(ipAddressId, userId, caller);
if (success) {
Long networkId = ipVO.getAssociatedWithNetworkId();
if (networkId != null) {
Network guestNetwork = getNetwork(networkId);
NetworkOffering offering = _configMgr.getNetworkOffering(guestNetwork.getNetworkOfferingId());
Long vmId = ipVO.getAssociatedWithVmId();
if (offering.getElasticIp() && vmId != null) {
_rulesMgr.getSystemIpAndEnableStaticNatForVm(_userVmDao.findById(vmId), true);
return true;
}
}