protected boolean sendNetworkRulesToRouter(final long routerId, final long networkId)
      throws ResourceUnavailableException {
    final DomainRouterVO router = _routerDao.findById(routerId);
    final Commands cmds = new Commands(OnError.Continue);

    final VirtualRouterProvider vrProvider = _vrProviderDao.findById(router.getElementId());
    if (vrProvider == null) {
      throw new CloudRuntimeException(
          "Cannot find related virtual router provider of router: " + router.getHostName());
    }
    final Provider provider = Network.Provider.getProvider(vrProvider.getType().toString());
    if (provider == null) {
      throw new CloudRuntimeException(
          "Cannot find related provider of virtual router provider: "
              + vrProvider.getType().toString());
    }

    finalizeNetworkRulesForNetwork(cmds, router, provider, networkId);
    return _nwHelper.sendCommandsToRouter(router, cmds);
  }
  public DomainRouterVO deployELBVm(
      Network guestNetwork, DeployDestination dest, Account owner, Map<Param, Object> params)
      throws ConcurrentOperationException, ResourceUnavailableException,
          InsufficientCapacityException {
    long dcId = dest.getDataCenter().getId();

    // lock guest network
    Long guestNetworkId = guestNetwork.getId();
    guestNetwork = _networkDao.acquireInLockTable(guestNetworkId);

    if (guestNetwork == null) {
      throw new ConcurrentOperationException("Unable to acquire network lock: " + guestNetworkId);
    }

    try {

      if (_networkModel.isNetworkSystem(guestNetwork)
          || guestNetwork.getGuestType() == Network.GuestType.Shared) {
        owner = _accountService.getSystemAccount();
      }

      if (s_logger.isDebugEnabled()) {
        s_logger.debug(
            "Starting a ELB vm for network configurations: " + guestNetwork + " in " + dest);
      }
      assert guestNetwork.getState() == Network.State.Implemented
              || guestNetwork.getState() == Network.State.Setup
              || guestNetwork.getState() == Network.State.Implementing
          : "Network is not yet fully implemented: " + guestNetwork;

      DataCenterDeployment plan = null;
      DomainRouterVO elbVm = null;

      plan = new DataCenterDeployment(dcId, dest.getPod().getId(), null, null, null, null);

      if (elbVm == null) {
        long id = _routerDao.getNextInSequence(Long.class, "id");
        if (s_logger.isDebugEnabled()) {
          s_logger.debug("Creating the ELB vm " + id);
        }

        List<? extends NetworkOffering> offerings =
            _networkModel.getSystemAccountNetworkOfferings(NetworkOffering.SystemControlNetwork);
        NetworkOffering controlOffering = offerings.get(0);
        NetworkVO controlConfig =
            _networkMgr.setupNetwork(_systemAcct, controlOffering, plan, null, null, false).get(0);

        List<Pair<NetworkVO, NicProfile>> networks = new ArrayList<Pair<NetworkVO, NicProfile>>(2);
        NicProfile guestNic = new NicProfile();
        guestNic.setDefaultNic(true);
        networks.add(new Pair<NetworkVO, NicProfile>(controlConfig, null));
        networks.add(new Pair<NetworkVO, NicProfile>((NetworkVO) guestNetwork, guestNic));

        VMTemplateVO template = _templateDao.findSystemVMTemplate(dcId);

        String typeString = "ElasticLoadBalancerVm";
        Long physicalNetworkId = _networkModel.getPhysicalNetworkId(guestNetwork);
        PhysicalNetworkServiceProvider provider =
            _physicalProviderDao.findByServiceProvider(physicalNetworkId, typeString);
        if (provider == null) {
          throw new CloudRuntimeException(
              "Cannot find service provider "
                  + typeString
                  + " in physical network "
                  + physicalNetworkId);
        }
        VirtualRouterProvider vrProvider =
            _vrProviderDao.findByNspIdAndType(
                provider.getId(), VirtualRouterProviderType.ElasticLoadBalancerVm);
        if (vrProvider == null) {
          throw new CloudRuntimeException(
              "Cannot find virtual router provider "
                  + typeString
                  + " as service provider "
                  + provider.getId());
        }

        elbVm =
            new DomainRouterVO(
                id,
                _elasticLbVmOffering.getId(),
                vrProvider.getId(),
                VirtualMachineName.getSystemVmName(id, _instance, _elbVmNamePrefix),
                template.getId(),
                template.getHypervisorType(),
                template.getGuestOSId(),
                owner.getDomainId(),
                owner.getId(),
                false,
                0,
                false,
                RedundantState.UNKNOWN,
                _elasticLbVmOffering.getOfferHA(),
                false,
                VirtualMachine.Type.ElasticLoadBalancerVm,
                null);
        elbVm.setRole(Role.LB);
        elbVm = _itMgr.allocate(elbVm, template, _elasticLbVmOffering, networks, plan, null, owner);
        // TODO: create usage stats
      }

      State state = elbVm.getState();
      if (state != State.Running) {
        elbVm =
            this.start(
                elbVm, _accountService.getSystemUser(), _accountService.getSystemAccount(), params);
      }

      return elbVm;
    } finally {
      _networkDao.releaseFromLockTable(guestNetworkId);
    }
  }
  @Override
  public boolean finalizeCommandsOnStart(final Commands cmds, final VirtualMachineProfile profile) {
    final DomainRouterVO domainRouterVO = _routerDao.findById(profile.getId());

    final boolean isVpc = domainRouterVO.getVpcId() != null;
    if (!isVpc) {
      return super.finalizeCommandsOnStart(cmds, profile);
    }

    if (domainRouterVO.getState() == State.Starting || domainRouterVO.getState() == State.Running) {
      // 1) FORM SSH CHECK COMMAND
      final NicProfile controlNic = getControlNic(profile);
      if (controlNic == null) {
        s_logger.error("Control network doesn't exist for the router " + domainRouterVO);
        return false;
      }

      finalizeSshAndVersionAndNetworkUsageOnStart(cmds, profile, domainRouterVO, controlNic);

      // 2) FORM PLUG NIC COMMANDS
      final List<Pair<Nic, Network>> guestNics = new ArrayList<Pair<Nic, Network>>();
      final List<Pair<Nic, Network>> publicNics = new ArrayList<Pair<Nic, Network>>();
      final Map<String, String> vlanMacAddress = new HashMap<String, String>();

      final List<? extends Nic> routerNics = _nicDao.listByVmId(profile.getId());
      for (final Nic routerNic : routerNics) {
        final Network network = _networkModel.getNetwork(routerNic.getNetworkId());
        if (network.getTrafficType() == TrafficType.Guest) {
          final Pair<Nic, Network> guestNic = new Pair<Nic, Network>(routerNic, network);
          guestNics.add(guestNic);
        } else if (network.getTrafficType() == TrafficType.Public) {
          final Pair<Nic, Network> publicNic = new Pair<Nic, Network>(routerNic, network);
          publicNics.add(publicNic);
          final String vlanTag = BroadcastDomainType.getValue(routerNic.getBroadcastUri());
          vlanMacAddress.put(vlanTag, routerNic.getMacAddress());
        }
      }

      final List<Command> usageCmds = new ArrayList<Command>();

      // 3) PREPARE PLUG NIC COMMANDS
      try {
        // add VPC router to public networks
        final List<PublicIp> sourceNat = new ArrayList<PublicIp>(1);
        for (final Pair<Nic, Network> nicNtwk : publicNics) {
          final Nic publicNic = nicNtwk.first();
          final Network publicNtwk = nicNtwk.second();
          final IPAddressVO userIp =
              _ipAddressDao.findByIpAndSourceNetworkId(
                  publicNtwk.getId(), publicNic.getIPv4Address());

          if (userIp.isSourceNat()) {
            final PublicIp publicIp =
                PublicIp.createFromAddrAndVlan(userIp, _vlanDao.findById(userIp.getVlanId()));
            sourceNat.add(publicIp);

            if (domainRouterVO.getPublicIpAddress() == null) {
              final DomainRouterVO routerVO = _routerDao.findById(domainRouterVO.getId());
              routerVO.setPublicIpAddress(publicNic.getIPv4Address());
              routerVO.setPublicNetmask(publicNic.getIPv4Netmask());
              routerVO.setPublicMacAddress(publicNic.getMacAddress());
              _routerDao.update(routerVO.getId(), routerVO);
            }
          }
          final PlugNicCommand plugNicCmd =
              new PlugNicCommand(
                  _nwHelper.getNicTO(
                      domainRouterVO,
                      publicNic.getNetworkId(),
                      publicNic.getBroadcastUri().toString()),
                  domainRouterVO.getInstanceName(),
                  domainRouterVO.getType());
          cmds.addCommand(plugNicCmd);
          final VpcVO vpc = _vpcDao.findById(domainRouterVO.getVpcId());
          final NetworkUsageCommand netUsageCmd =
              new NetworkUsageCommand(
                  domainRouterVO.getPrivateIpAddress(),
                  domainRouterVO.getInstanceName(),
                  true,
                  publicNic.getIPv4Address(),
                  vpc.getCidr());
          usageCmds.add(netUsageCmd);
          UserStatisticsVO stats =
              _userStatsDao.findBy(
                  domainRouterVO.getAccountId(),
                  domainRouterVO.getDataCenterId(),
                  publicNtwk.getId(),
                  publicNic.getIPv4Address(),
                  domainRouterVO.getId(),
                  domainRouterVO.getType().toString());
          if (stats == null) {
            stats =
                new UserStatisticsVO(
                    domainRouterVO.getAccountId(),
                    domainRouterVO.getDataCenterId(),
                    publicNic.getIPv4Address(),
                    domainRouterVO.getId(),
                    domainRouterVO.getType().toString(),
                    publicNtwk.getId());
            _userStatsDao.persist(stats);
          }
        }

        // create ip assoc for source nat
        if (!sourceNat.isEmpty()) {
          _commandSetupHelper.createVpcAssociatePublicIPCommands(
              domainRouterVO, sourceNat, cmds, vlanMacAddress);
        }

        // add VPC router to guest networks
        for (final Pair<Nic, Network> nicNtwk : guestNics) {
          final Nic guestNic = nicNtwk.first();
          // plug guest nic
          final PlugNicCommand plugNicCmd =
              new PlugNicCommand(
                  _nwHelper.getNicTO(domainRouterVO, guestNic.getNetworkId(), null),
                  domainRouterVO.getInstanceName(),
                  domainRouterVO.getType());
          cmds.addCommand(plugNicCmd);
          if (!_networkModel.isPrivateGateway(guestNic.getNetworkId())) {
            // set guest network
            final VirtualMachine vm = _vmDao.findById(domainRouterVO.getId());
            final NicProfile nicProfile =
                _networkModel.getNicProfile(vm, guestNic.getNetworkId(), null);
            final SetupGuestNetworkCommand setupCmd =
                _commandSetupHelper.createSetupGuestNetworkCommand(
                    domainRouterVO, true, nicProfile);
            cmds.addCommand(setupCmd);
          } else {

            // set private network
            final PrivateIpVO ipVO =
                _privateIpDao.findByIpAndSourceNetworkId(
                    guestNic.getNetworkId(), guestNic.getIPv4Address());
            final Network network = _networkDao.findById(guestNic.getNetworkId());
            BroadcastDomainType.getValue(network.getBroadcastUri());
            final String netmask = NetUtils.getCidrNetmask(network.getCidr());
            final PrivateIpAddress ip =
                new PrivateIpAddress(
                    ipVO,
                    network.getBroadcastUri().toString(),
                    network.getGateway(),
                    netmask,
                    guestNic.getMacAddress());

            final List<PrivateIpAddress> privateIps = new ArrayList<PrivateIpAddress>(1);
            privateIps.add(ip);
            _commandSetupHelper.createVpcAssociatePrivateIPCommands(
                domainRouterVO, privateIps, cmds, true);

            final Long privateGwAclId =
                _vpcGatewayDao.getNetworkAclIdForPrivateIp(
                    ipVO.getVpcId(), ipVO.getNetworkId(), ipVO.getIpAddress());

            if (privateGwAclId != null) {
              // set network acl on private gateway
              final List<NetworkACLItemVO> networkACLs =
                  _networkACLItemDao.listByACL(privateGwAclId);
              s_logger.debug(
                  "Found "
                      + networkACLs.size()
                      + " network ACLs to apply as a part of VPC VR "
                      + domainRouterVO
                      + " start for private gateway ip = "
                      + ipVO.getIpAddress());

              _commandSetupHelper.createNetworkACLsCommands(
                  networkACLs, domainRouterVO, cmds, ipVO.getNetworkId(), true);
            }
          }
        }
      } catch (final Exception ex) {
        s_logger.warn(
            "Failed to add router " + domainRouterVO + " to network due to exception ", ex);
        return false;
      }

      // 4) RE-APPLY ALL STATIC ROUTE RULES
      final List<? extends StaticRoute> routes =
          _staticRouteDao.listByVpcId(domainRouterVO.getVpcId());
      final List<StaticRouteProfile> staticRouteProfiles =
          new ArrayList<StaticRouteProfile>(routes.size());
      final Map<Long, VpcGateway> gatewayMap = new HashMap<Long, VpcGateway>();
      for (final StaticRoute route : routes) {
        VpcGateway gateway = gatewayMap.get(route.getVpcGatewayId());
        if (gateway == null) {
          gateway = _entityMgr.findById(VpcGateway.class, route.getVpcGatewayId());
          gatewayMap.put(gateway.getId(), gateway);
        }
        staticRouteProfiles.add(new StaticRouteProfile(route, gateway));
      }

      s_logger.debug(
          "Found "
              + staticRouteProfiles.size()
              + " static routes to apply as a part of vpc route "
              + domainRouterVO
              + " start");
      if (!staticRouteProfiles.isEmpty()) {
        _commandSetupHelper.createStaticRouteCommands(staticRouteProfiles, domainRouterVO, cmds);
      }

      // 5) RE-APPLY ALL REMOTE ACCESS VPNs
      final RemoteAccessVpnVO vpn =
          _vpnDao.findByAccountAndVpc(domainRouterVO.getAccountId(), domainRouterVO.getVpcId());
      if (vpn != null) {
        _commandSetupHelper.createApplyVpnCommands(true, vpn, domainRouterVO, cmds);
      }

      // 6) REPROGRAM GUEST NETWORK
      boolean reprogramGuestNtwks = true;
      if (profile.getParameter(Param.ReProgramGuestNetworks) != null
          && (Boolean) profile.getParameter(Param.ReProgramGuestNetworks) == false) {
        reprogramGuestNtwks = false;
      }

      final VirtualRouterProvider vrProvider =
          _vrProviderDao.findById(domainRouterVO.getElementId());
      if (vrProvider == null) {
        throw new CloudRuntimeException(
            "Cannot find related virtual router provider of router: "
                + domainRouterVO.getHostName());
      }
      final Provider provider = Network.Provider.getProvider(vrProvider.getType().toString());
      if (provider == null) {
        throw new CloudRuntimeException(
            "Cannot find related provider of virtual router provider: "
                + vrProvider.getType().toString());
      }

      for (final Pair<Nic, Network> nicNtwk : guestNics) {
        final Nic guestNic = nicNtwk.first();
        final AggregationControlCommand startCmd =
            new AggregationControlCommand(
                Action.Start,
                domainRouterVO.getInstanceName(),
                controlNic.getIPv4Address(),
                _routerControlHelper.getRouterIpInNetwork(
                    guestNic.getNetworkId(), domainRouterVO.getId()));
        cmds.addCommand(startCmd);
        if (reprogramGuestNtwks) {
          finalizeIpAssocForNetwork(
              cmds, domainRouterVO, provider, guestNic.getNetworkId(), vlanMacAddress);
          finalizeNetworkRulesForNetwork(cmds, domainRouterVO, provider, guestNic.getNetworkId());
        }

        finalizeUserDataAndDhcpOnStart(cmds, domainRouterVO, provider, guestNic.getNetworkId());
        final AggregationControlCommand finishCmd =
            new AggregationControlCommand(
                Action.Finish,
                domainRouterVO.getInstanceName(),
                controlNic.getIPv4Address(),
                _routerControlHelper.getRouterIpInNetwork(
                    guestNic.getNetworkId(), domainRouterVO.getId()));
        cmds.addCommand(finishCmd);
      }

      // Add network usage commands
      cmds.addCommands(usageCmds);
    }
    return true;
  }