@Override
public List<UserVmVO> listLoadBalancerInstances(ListLoadBalancerRuleInstancesCmd cmd)
throws PermissionDeniedException {
Account caller = UserContext.current().getCaller();
Long loadBalancerId = cmd.getId();
Boolean applied = cmd.isApplied();
if (applied == null) {
applied = Boolean.TRUE;
}
LoadBalancerVO loadBalancer = _lbDao.findById(loadBalancerId);
if (loadBalancer == null) {
return null;
}
_accountMgr.checkAccess(caller, null, loadBalancer);
List<UserVmVO> loadBalancerInstances = new ArrayList<UserVmVO>();
List<LoadBalancerVMMapVO> vmLoadBalancerMappings = null;
vmLoadBalancerMappings = _lb2VmMapDao.listByLoadBalancerId(loadBalancerId);
List<Long> appliedInstanceIdList = new ArrayList<Long>();
if ((vmLoadBalancerMappings != null) && !vmLoadBalancerMappings.isEmpty()) {
for (LoadBalancerVMMapVO vmLoadBalancerMapping : vmLoadBalancerMappings) {
appliedInstanceIdList.add(vmLoadBalancerMapping.getInstanceId());
}
}
IPAddressVO addr = _ipAddressDao.findById(loadBalancer.getSourceIpAddressId());
List<UserVmVO> userVms =
_vmDao.listVirtualNetworkInstancesByAcctAndZone(
loadBalancer.getAccountId(), addr.getDataCenterId(), loadBalancer.getNetworkId());
for (UserVmVO userVm : userVms) {
// if the VM is destroyed, being expunged, in an error state, or in an unknown state, skip it
switch (userVm.getState()) {
case Destroyed:
case Expunging:
case Error:
case Unknown:
continue;
}
boolean isApplied = appliedInstanceIdList.contains(userVm.getId());
if ((isApplied && applied) || (!isApplied && !applied)) {
loadBalancerInstances.add(userVm);
}
}
return loadBalancerInstances;
}
@Override
@DB
public void deallocate(
Network network, NicProfile nic, VirtualMachineProfile<? extends VirtualMachine> vm) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"Deallocate network: networkId: " + nic.getNetworkId() + ", ip: " + nic.getIp4Address());
}
IPAddressVO ip =
_ipAddressDao.findByIpAndSourceNetworkId(nic.getNetworkId(), nic.getIp4Address());
if (ip != null) {
Transaction txn = Transaction.currentTxn();
txn.start();
_networkMgr.markIpAsUnavailable(ip.getId());
_ipAddressDao.unassignIpAddress(ip.getId());
txn.commit();
}
nic.deallocate();
}
@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();
}
}
}