}
@Override
@DB
public boolean deleteVlanAndPublicIpRange(long userId, final long vlanDbId, Account caller) {
VlanVO vlanRange = _vlanDao.findById(vlanDbId);
if (vlanRange == null) {
throw new InvalidParameterValueException("Please specify a valid IP range id.");
}
boolean isAccountSpecific = false;
List<AccountVlanMapVO> acctVln = _accountVlanMapDao.listAccountVlanMapsByVlan(vlanRange.getId());
// Check for account wide pool. It will have an entry for
// account_vlan_map.
if (acctVln != null && !acctVln.isEmpty()) {
isAccountSpecific = true;
}
// Check if the VLAN has any allocated public IPs
long allocIpCount = _publicIpAddressDao.countIPs(vlanRange.getDataCenterId(), vlanDbId, true);
List<IPAddressVO> ips = _publicIpAddressDao.listByVlanId(vlanDbId);
boolean success = true;
if (allocIpCount > 0) {
if (isAccountSpecific) {
try {
vlanRange = _vlanDao.acquireInLockTable(vlanDbId, 30);
if (vlanRange == null) {
throw new CloudRuntimeException("Unable to acquire vlan configuration: " + vlanDbId);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("lock vlan " + vlanDbId + " is acquired");
}
for (IPAddressVO ip : ips) {
if (ip.isOneToOneNat()) {
throw new InvalidParameterValueException(
"Can't delete account specific vlan "
+ vlanDbId
+ " as ip "
+ ip
+ " belonging to the range is used for static nat purposes. Cleanup the rules first");
}
if (ip.isSourceNat()) {
throw new InvalidParameterValueException(
"Can't delete account specific vlan "
+ vlanDbId
+ " as ip "
+ ip
+ " belonging to the range is a source nat ip for the network id="
+ ip.getSourceNetworkId()
+ ". IP range with the source nat ip address can be removed either as a part of Network, or account removal");
}
if (_firewallDao.countRulesByIpId(ip.getId()) > 0) {
throw new InvalidParameterValueException("Can't delete account specific vlan " + vlanDbId
+ " as ip " + ip
+ " belonging to the range has firewall rules applied. Cleanup the rules first");
}
// release public ip address here
success = success && _ipAddrMgr.disassociatePublicIpAddress(ip.getId(), userId, caller);
}
if (!success) {
s_logger.warn("Some ip addresses failed to be released as a part of vlan " + vlanDbId
+ " removal");
}
else {
for (IPAddressVO ip : ips) {
UsageEventUtils.publishUsageEvent(EventTypes.EVENT_NET_IP_RELEASE, acctVln.get(0).getId(), ip
.getDataCenterId(), ip.getId(), ip.getAddress().toString(), ip.isSourceNat(), vlanRange
.getVlanType().toString(), ip.getSystem(), ip.getClass().getName(), ip.getUuid());
}
}
} finally {
_vlanDao.releaseFromLockTable(vlanDbId);
}
}
else { // !isAccountSpecific
NicIpAliasVO ipAlias = _nicIpAliasDao.findByGatewayAndNetworkIdAndState(vlanRange.getVlanGateway(), vlanRange.getNetworkId(), NicIpAlias.state.active);
//check if the ipalias belongs to the vlan range being deleted.
if (ipAlias != null && vlanDbId == _publicIpAddressDao.findByIpAndSourceNetworkId(vlanRange.getNetworkId(), ipAlias.getIp4Address()).getVlanId()) {
throw new InvalidParameterValueException("Cannot delete vlan range "+vlanDbId+" as "+ipAlias.getIp4Address() +
"is being used for providing dhcp service in this subnet. Delete all VMs in this subnet and try again");
}
allocIpCount = _publicIpAddressDao.countIPs(vlanRange.getDataCenterId(), vlanDbId, true);
if (allocIpCount > 0) {
throw new InvalidParameterValueException(allocIpCount + " Ips are in use. Cannot delete this vlan");
}
}
}