@DB
public LoadBalancer createLoadBalancer(CreateLoadBalancerRuleCmd lb, boolean openFirewall)
throws NetworkRuleConflictException {
long ipId = lb.getSourceIpAddressId();
UserContext caller = UserContext.current();
int srcPortStart = lb.getSourcePortStart();
int defPortStart = lb.getDefaultPortStart();
int srcPortEnd = lb.getSourcePortEnd();
IPAddressVO ipAddr = _ipAddressDao.findById(lb.getSourceIpAddressId());
Long networkId = ipAddr.getSourceNetworkId();
// make sure ip address exists
if (ipAddr == null || !ipAddr.readyToUse()) {
throw new InvalidParameterValueException(
"Unable to create load balancer rule, invalid IP address id" + ipId);
}
_firewallMgr.validateFirewallRule(
caller.getCaller(),
ipAddr,
srcPortStart,
srcPortEnd,
lb.getProtocol(),
Purpose.LoadBalancing);
networkId = ipAddr.getAssociatedWithNetworkId();
if (networkId == null) {
throw new InvalidParameterValueException(
"Unable to create load balancer rule ; ip id="
+ ipId
+ " is not associated with any network");
}
NetworkVO network = _networkDao.findById(networkId);
_accountMgr.checkAccess(caller.getCaller(), null, ipAddr);
// verify that lb service is supported by the network
if (!_networkMgr.isServiceSupported(network.getNetworkOfferingId(), Service.Lb)) {
throw new InvalidParameterValueException(
"LB service is not supported in network id= " + networkId);
}
Transaction txn = Transaction.currentTxn();
txn.start();
LoadBalancerVO newRule =
new LoadBalancerVO(
lb.getXid(),
lb.getName(),
lb.getDescription(),
lb.getSourceIpAddressId(),
lb.getSourcePortEnd(),
lb.getDefaultPortStart(),
lb.getAlgorithm(),
network.getId(),
ipAddr.getAccountId(),
ipAddr.getDomainId());
newRule = _lbDao.persist(newRule);
if (openFirewall) {
_firewallMgr.createRuleForAllCidrs(
ipId,
caller.getCaller(),
lb.getSourcePortStart(),
lb.getSourcePortEnd(),
lb.getProtocol(),
null,
null,
newRule.getId());
}
boolean success = true;
try {
_firewallMgr.detectRulesConflict(newRule, ipAddr);
if (!_firewallDao.setStateToAdd(newRule)) {
throw new CloudRuntimeException("Unable to update the state to add for " + newRule);
}
s_logger.debug(
"Load balancer "
+ newRule.getId()
+ " for Ip address id="
+ ipId
+ ", public port "
+ srcPortStart
+ ", private port "
+ defPortStart
+ " is added successfully.");
UserContext.current().setEventDetails("Load balancer Id: " + newRule.getId());
UsageEventVO usageEvent =
new UsageEventVO(
EventTypes.EVENT_LOAD_BALANCER_CREATE,
ipAddr.getAllocatedToAccountId(),
ipAddr.getDataCenterId(),
newRule.getId(),
null);
_usageEventDao.persist(usageEvent);
txn.commit();
return newRule;
} catch (Exception e) {
success = false;
if (e instanceof NetworkRuleConflictException) {
throw (NetworkRuleConflictException) e;
}
throw new CloudRuntimeException(
"Unable to add rule for ip address id=" + newRule.getSourceIpAddressId(), e);
} finally {
if (!success && newRule != null) {
txn.start();
_firewallMgr.revokeRelatedFirewallRule(newRule.getId(), false);
_lbDao.remove(newRule.getId());
txn.commit();
}
}
}