Examples with PlugNicCommand com.cloud.agent.api.PlugNicCommand used on opensource projects

Example 6 with PlugNicCommand

use of com.cloud.agent.api.PlugNicCommand in project cloudstack by apache.

the class VirtualMachineManagerImpl method plugNic.

public boolean plugNic(final Network network, final NicTO nic, final VirtualMachineTO vm, final ReservationContext context, final DeployDestination dest) throws ConcurrentOperationException, ResourceUnavailableException, InsufficientCapacityException {
    boolean result = true;
    final VMInstanceVO router = _vmDao.findById(vm.getId());
    if (router.getState() == State.Running) {
        try {
            final PlugNicCommand plugNicCmd = new PlugNicCommand(nic, vm.getName(), vm.getType(), vm.getDetails());
            final Commands cmds = new Commands(Command.OnError.Stop);
            cmds.addCommand("plugnic", plugNicCmd);
            _agentMgr.send(dest.getHost().getId(), cmds);
            final PlugNicAnswer plugNicAnswer = cmds.getAnswer(PlugNicAnswer.class);
            if (!(plugNicAnswer != null && plugNicAnswer.getResult())) {
                s_logger.warn("Unable to plug nic for vm " + vm.getName());
                result = false;
            }
        } catch (final OperationTimedoutException e) {
            throw new AgentUnavailableException("Unable to plug nic for router " + vm.getName() + " in network " + network, dest.getHost().getId(), e);
        }
    } else {
        s_logger.warn("Unable to apply PlugNic, vm " + router + " is not in the right state " + router.getState());
        throw new ResourceUnavailableException("Unable to apply PlugNic on the backend," + " vm " + vm + " is not in the right state", DataCenter.class, router.getDataCenterId());
    }
    return result;
}

Example 7 with PlugNicCommand

use of com.cloud.agent.api.PlugNicCommand in project cloudstack by apache.

the class LibvirtComputingResourceTest method testPlugNicCommandInternalError.

@SuppressWarnings("unchecked")
@Test
public void testPlugNicCommandInternalError() {
    final NicTO nic = Mockito.mock(NicTO.class);
    final String instanceName = "Test";
    final Type vmtype = Type.DomainRouter;
    final PlugNicCommand command = new PlugNicCommand(nic, instanceName, vmtype);
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = Mockito.mock(LibvirtUtilitiesHelper.class);
    final Connect conn = Mockito.mock(Connect.class);
    final Domain vm = Mockito.mock(Domain.class);
    final VifDriver vifDriver = Mockito.mock(VifDriver.class);
    final List<InterfaceDef> nics = new ArrayList<InterfaceDef>();
    final InterfaceDef intDef = Mockito.mock(InterfaceDef.class);
    nics.add(intDef);
    when(libvirtComputingResource.getLibvirtUtilitiesHelper()).thenReturn(libvirtUtilitiesHelper);
    when(libvirtComputingResource.getInterfaces(conn, command.getVmName())).thenReturn(nics);
    when(intDef.getDevName()).thenReturn("eth0");
    when(intDef.getBrName()).thenReturn("br0");
    when(intDef.getMacAddress()).thenReturn("00:00:00:00");
    when(nic.getMac()).thenReturn("00:00:00:01");
    try {
        when(libvirtUtilitiesHelper.getConnectionByVmName(command.getVmName())).thenReturn(conn);
        when(libvirtComputingResource.getDomain(conn, instanceName)).thenReturn(vm);
        when(libvirtComputingResource.getVifDriver(nic.getType())).thenReturn(vifDriver);
        when(vifDriver.plug(nic, "Other PV", "")).thenThrow(InternalErrorException.class);
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    } catch (final InternalErrorException e) {
        fail(e.getMessage());
    }
    final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
    assertNotNull(wrapper);
    final Answer answer = wrapper.execute(command, libvirtComputingResource);
    assertFalse(answer.getResult());
    verify(libvirtComputingResource, times(1)).getLibvirtUtilitiesHelper();
    try {
        verify(libvirtUtilitiesHelper, times(1)).getConnectionByVmName(command.getVmName());
        verify(libvirtComputingResource, times(1)).getDomain(conn, instanceName);
        verify(libvirtComputingResource, times(1)).getVifDriver(nic.getType());
        verify(vifDriver, times(1)).plug(nic, "Other PV", "");
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    } catch (final InternalErrorException e) {
        fail(e.getMessage());
    }
}

Example 8 with PlugNicCommand

use of com.cloud.agent.api.PlugNicCommand in project cloudstack by apache.

the class VmwareResource method executeRequest.

@Override
public Answer executeRequest(Command cmd) {
    if (s_logger.isTraceEnabled())
        s_logger.trace("Begin executeRequest(), cmd: " + cmd.getClass().getSimpleName());
    Answer answer = null;
    NDC.push(getCommandLogTitle(cmd));
    try {
        long cmdSequence = _cmdSequence++;
        Date startTime = DateUtil.currentGMTTime();
        PropertyMapDynamicBean mbean = new PropertyMapDynamicBean();
        mbean.addProp("StartTime", DateUtil.getDateDisplayString(TimeZone.getDefault(), startTime));
        mbean.addProp("Command", _gson.toJson(cmd));
        mbean.addProp("Sequence", String.valueOf(cmdSequence));
        mbean.addProp("Name", cmd.getClass().getSimpleName());
        Class<? extends Command> clz = cmd.getClass();
        if (cmd instanceof NetworkElementCommand) {
            return _vrResource.executeRequest((NetworkElementCommand) cmd);
        } else if (clz == ReadyCommand.class) {
            answer = execute((ReadyCommand) cmd);
        } else if (clz == GetHostStatsCommand.class) {
            answer = execute((GetHostStatsCommand) cmd);
        } else if (clz == GetVmStatsCommand.class) {
            answer = execute((GetVmStatsCommand) cmd);
        } else if (clz == GetVmDiskStatsCommand.class) {
            answer = execute((GetVmDiskStatsCommand) cmd);
        } else if (clz == CheckHealthCommand.class) {
            answer = execute((CheckHealthCommand) cmd);
        } else if (clz == StopCommand.class) {
            answer = execute((StopCommand) cmd);
        } else if (clz == RebootRouterCommand.class) {
            answer = execute((RebootRouterCommand) cmd);
        } else if (clz == RebootCommand.class) {
            answer = execute((RebootCommand) cmd);
        } else if (clz == CheckVirtualMachineCommand.class) {
            answer = execute((CheckVirtualMachineCommand) cmd);
        } else if (clz == PrepareForMigrationCommand.class) {
            answer = execute((PrepareForMigrationCommand) cmd);
        } else if (clz == MigrateCommand.class) {
            answer = execute((MigrateCommand) cmd);
        } else if (clz == MigrateWithStorageCommand.class) {
            answer = execute((MigrateWithStorageCommand) cmd);
        } else if (clz == MigrateVolumeCommand.class) {
            answer = execute((MigrateVolumeCommand) cmd);
        } else if (clz == DestroyCommand.class) {
            answer = execute((DestroyCommand) cmd);
        } else if (clz == CreateStoragePoolCommand.class) {
            return execute((CreateStoragePoolCommand) cmd);
        } else if (clz == ModifyTargetsCommand.class) {
            answer = execute((ModifyTargetsCommand) cmd);
        } else if (clz == ModifyStoragePoolCommand.class) {
            answer = execute((ModifyStoragePoolCommand) cmd);
        } else if (clz == DeleteStoragePoolCommand.class) {
            answer = execute((DeleteStoragePoolCommand) cmd);
        } else if (clz == CopyVolumeCommand.class) {
            answer = execute((CopyVolumeCommand) cmd);
        } else if (clz == AttachIsoCommand.class) {
            answer = execute((AttachIsoCommand) cmd);
        } else if (clz == ValidateSnapshotCommand.class) {
            answer = execute((ValidateSnapshotCommand) cmd);
        } else if (clz == ManageSnapshotCommand.class) {
            answer = execute((ManageSnapshotCommand) cmd);
        } else if (clz == BackupSnapshotCommand.class) {
            answer = execute((BackupSnapshotCommand) cmd);
        } else if (clz == CreateVolumeFromSnapshotCommand.class) {
            answer = execute((CreateVolumeFromSnapshotCommand) cmd);
        } else if (clz == CreatePrivateTemplateFromVolumeCommand.class) {
            answer = execute((CreatePrivateTemplateFromVolumeCommand) cmd);
        } else if (clz == CreatePrivateTemplateFromSnapshotCommand.class) {
            answer = execute((CreatePrivateTemplateFromSnapshotCommand) cmd);
        } else if (clz == UpgradeSnapshotCommand.class) {
            answer = execute((UpgradeSnapshotCommand) cmd);
        } else if (clz == GetStorageStatsCommand.class) {
            answer = execute((GetStorageStatsCommand) cmd);
        } else if (clz == PrimaryStorageDownloadCommand.class) {
            answer = execute((PrimaryStorageDownloadCommand) cmd);
        } else if (clz == GetVncPortCommand.class) {
            answer = execute((GetVncPortCommand) cmd);
        } else if (clz == SetupCommand.class) {
            answer = execute((SetupCommand) cmd);
        } else if (clz == MaintainCommand.class) {
            answer = execute((MaintainCommand) cmd);
        } else if (clz == PingTestCommand.class) {
            answer = execute((PingTestCommand) cmd);
        } else if (clz == CheckOnHostCommand.class) {
            answer = execute((CheckOnHostCommand) cmd);
        } else if (clz == ModifySshKeysCommand.class) {
            answer = execute((ModifySshKeysCommand) cmd);
        } else if (clz == NetworkUsageCommand.class) {
            answer = execute((NetworkUsageCommand) cmd);
        } else if (clz == StartCommand.class) {
            answer = execute((StartCommand) cmd);
        } else if (clz == CheckSshCommand.class) {
            answer = execute((CheckSshCommand) cmd);
        } else if (clz == CheckNetworkCommand.class) {
            answer = execute((CheckNetworkCommand) cmd);
        } else if (clz == PlugNicCommand.class) {
            answer = execute((PlugNicCommand) cmd);
        } else if (clz == UnPlugNicCommand.class) {
            answer = execute((UnPlugNicCommand) cmd);
        } else if (cmd instanceof CreateVMSnapshotCommand) {
            return execute((CreateVMSnapshotCommand) cmd);
        } else if (cmd instanceof DeleteVMSnapshotCommand) {
            return execute((DeleteVMSnapshotCommand) cmd);
        } else if (cmd instanceof RevertToVMSnapshotCommand) {
            return execute((RevertToVMSnapshotCommand) cmd);
        } else if (clz == ResizeVolumeCommand.class) {
            return execute((ResizeVolumeCommand) cmd);
        } else if (clz == UnregisterVMCommand.class) {
            return execute((UnregisterVMCommand) cmd);
        } else if (cmd instanceof StorageSubSystemCommand) {
            checkStorageProcessorAndHandlerNfsVersionAttribute((StorageSubSystemCommand) cmd);
            return storageHandler.handleStorageCommands((StorageSubSystemCommand) cmd);
        } else if (clz == ScaleVmCommand.class) {
            return execute((ScaleVmCommand) cmd);
        } else if (clz == PvlanSetupCommand.class) {
            return execute((PvlanSetupCommand) cmd);
        } else if (clz == GetVmIpAddressCommand.class) {
            return execute((GetVmIpAddressCommand) cmd);
        } else if (clz == UnregisterNicCommand.class) {
            answer = execute((UnregisterNicCommand) cmd);
        } else {
            answer = Answer.createUnsupportedCommandAnswer(cmd);
        }
        if (cmd.getContextParam("checkpoint") != null) {
            answer.setContextParam("checkpoint", cmd.getContextParam("checkpoint"));
        }
        Date doneTime = DateUtil.currentGMTTime();
        mbean.addProp("DoneTime", DateUtil.getDateDisplayString(TimeZone.getDefault(), doneTime));
        mbean.addProp("Answer", _gson.toJson(answer));
        synchronized (this) {
            try {
                JmxUtil.registerMBean("VMware " + _morHyperHost.getValue(), "Command " + cmdSequence + "-" + cmd.getClass().getSimpleName(), mbean);
                _cmdMBeans.add(mbean);
                if (_cmdMBeans.size() >= MazCmdMBean) {
                    PropertyMapDynamicBean mbeanToRemove = _cmdMBeans.get(0);
                    _cmdMBeans.remove(0);
                    JmxUtil.unregisterMBean("VMware " + _morHyperHost.getValue(), "Command " + mbeanToRemove.getProp("Sequence") + "-" + mbeanToRemove.getProp("Name"));
                }
            } catch (Exception e) {
                if (s_logger.isTraceEnabled())
                    s_logger.trace("Unable to register JMX monitoring due to exception " + ExceptionUtil.toString(e));
            }
        }
    } finally {
        recycleServiceContext();
        NDC.pop();
    }
    if (s_logger.isTraceEnabled())
        s_logger.trace("End executeRequest(), cmd: " + cmd.getClass().getSimpleName());
    return answer;
}

Example 9 with PlugNicCommand

use of com.cloud.agent.api.PlugNicCommand in project cloudstack by apache.

the class Ovm3VmSupportTest method PlugNicBreakTest.

@Test
public void PlugNicBreakTest() throws ConfigurationException, URISyntaxException {
    hypervisor = support.prepare(configTest.getParams());
    NicTO nic = prepNic(xen.getVmNicMac(), 240, TrafficType.Guest);
    PlugNicCommand plug = new PlugNicCommand(nic, xen.getVmName(), VirtualMachine.Type.User);
    Answer ra = hypervisor.executeRequest(plug);
    results.basicBooleanTest(ra.getResult(), false);
}

Example 10 with PlugNicCommand

use of com.cloud.agent.api.PlugNicCommand in project cloudstack by apache.

the class SimulatorManagerImpl method simulate.

@DB
@Override
public Answer simulate(final Command cmd, final String hostGuid) {
    Answer answer = null;
    Exception exception = null;
    TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.SIMULATOR_DB);
    try {
        final MockHost host = _mockHost.findByGuid(hostGuid);
        String cmdName = cmd.toString();
        final int index = cmdName.lastIndexOf(".");
        if (index != -1) {
            cmdName = cmdName.substring(index + 1);
        }
        final SimulatorInfo info = new SimulatorInfo();
        info.setHostUuid(hostGuid);
        final MockConfigurationVO config = _mockConfigDao.findByNameBottomUP(host.getDataCenterId(), host.getPodId(), host.getClusterId(), host.getId(), cmdName);
        if (config != null && (config.getCount() == null || config.getCount().intValue() > 0)) {
            final Map<String, String> configParameters = config.getParameters();
            for (final Map.Entry<String, String> entry : configParameters.entrySet()) {
                if (entry.getKey().equalsIgnoreCase("enabled")) {
                    info.setEnabled(Boolean.parseBoolean(entry.getValue()));
                } else if (entry.getKey().equalsIgnoreCase("timeout")) {
                    try {
                        info.setTimeout(Integer.valueOf(entry.getValue()));
                    } catch (final NumberFormatException e) {
                        s_logger.debug("invalid timeout parameter: " + e.toString());
                    }
                }
                if (entry.getKey().equalsIgnoreCase("wait")) {
                    try {
                        final int wait = Integer.valueOf(entry.getValue());
                        Thread.sleep(wait);
                    } catch (final NumberFormatException e) {
                        s_logger.debug("invalid wait parameter: " + e.toString());
                    } catch (final InterruptedException e) {
                        s_logger.debug("thread is interrupted: " + e.toString());
                    }
                }
                if (entry.getKey().equalsIgnoreCase("result")) {
                    final String value = entry.getValue();
                    if (value.equalsIgnoreCase("fail")) {
                        answer = new Answer(cmd, false, "Simulated failure");
                    } else if (value.equalsIgnoreCase("fault")) {
                        exception = new Exception("Simulated fault");
                    }
                }
            }
            if (exception != null) {
                throw exception;
            }
            if (answer == null) {
                final String message = config.getJsonResponse();
                if (message != null) {
                    // json response looks like {"<Type>":....}
                    final String objectType = message.split(":")[0].substring(2).replace("\"", "");
                    final String objectData = message.substring(message.indexOf(':') + 1, message.length() - 1);
                    if (objectType != null) {
                        Class<?> clz = null;
                        try {
                            clz = Class.forName(objectType);
                        } catch (final ClassNotFoundException e) {
                        }
                        if (clz != null) {
                            final StringReader reader = new StringReader(objectData);
                            final JsonReader jsonReader = new JsonReader(reader);
                            jsonReader.setLenient(true);
                            answer = (Answer) s_gson.fromJson(jsonReader, clz);
                        }
                    }
                }
            }
        }
        if (answer == null) {
            if (cmd instanceof GetHostStatsCommand) {
                answer = _mockAgentMgr.getHostStatistic((GetHostStatsCommand) cmd);
            } else if (cmd instanceof CheckHealthCommand) {
                answer = _mockAgentMgr.checkHealth((CheckHealthCommand) cmd);
            } else if (cmd instanceof PingTestCommand) {
                answer = _mockAgentMgr.pingTest((PingTestCommand) cmd);
            } else if (cmd instanceof PrepareForMigrationCommand) {
                answer = _mockVmMgr.prepareForMigrate((PrepareForMigrationCommand) cmd);
            } else if (cmd instanceof MigrateCommand) {
                answer = _mockVmMgr.migrate((MigrateCommand) cmd, info);
            } else if (cmd instanceof StartCommand) {
                answer = _mockVmMgr.startVM((StartCommand) cmd, info);
            } else if (cmd instanceof CheckSshCommand) {
                answer = _mockVmMgr.checkSshCommand((CheckSshCommand) cmd);
            } else if (cmd instanceof CheckVirtualMachineCommand) {
                answer = _mockVmMgr.checkVmState((CheckVirtualMachineCommand) cmd);
            } else if (cmd instanceof SetStaticNatRulesCommand) {
                answer = _mockNetworkMgr.SetStaticNatRules((SetStaticNatRulesCommand) cmd);
            } else if (cmd instanceof SetFirewallRulesCommand) {
                answer = _mockNetworkMgr.SetFirewallRules((SetFirewallRulesCommand) cmd);
            } else if (cmd instanceof SetPortForwardingRulesCommand) {
                answer = _mockNetworkMgr.SetPortForwardingRules((SetPortForwardingRulesCommand) cmd);
            } else if (cmd instanceof NetworkUsageCommand) {
                answer = _mockNetworkMgr.getNetworkUsage((NetworkUsageCommand) cmd);
            } else if (cmd instanceof IpAssocCommand) {
                answer = _mockNetworkMgr.IpAssoc((IpAssocCommand) cmd);
            } else if (cmd instanceof LoadBalancerConfigCommand) {
                answer = _mockNetworkMgr.LoadBalancerConfig((LoadBalancerConfigCommand) cmd);
            } else if (cmd instanceof DhcpEntryCommand) {
                answer = _mockNetworkMgr.AddDhcpEntry((DhcpEntryCommand) cmd);
            } else if (cmd instanceof VmDataCommand) {
                answer = _mockVmMgr.setVmData((VmDataCommand) cmd);
            } else if (cmd instanceof CleanupNetworkRulesCmd) {
                answer = _mockVmMgr.cleanupNetworkRules((CleanupNetworkRulesCmd) cmd, info);
            } else if (cmd instanceof CheckNetworkCommand) {
                answer = _mockAgentMgr.checkNetworkCommand((CheckNetworkCommand) cmd);
            } else if (cmd instanceof StopCommand) {
                answer = _mockVmMgr.stopVM((StopCommand) cmd);
            } else if (cmd instanceof RebootCommand) {
                answer = _mockVmMgr.rebootVM((RebootCommand) cmd);
            } else if (cmd instanceof GetVncPortCommand) {
                answer = _mockVmMgr.getVncPort((GetVncPortCommand) cmd);
            } else if (cmd instanceof CheckConsoleProxyLoadCommand) {
                answer = _mockVmMgr.checkConsoleProxyLoad((CheckConsoleProxyLoadCommand) cmd);
            } else if (cmd instanceof WatchConsoleProxyLoadCommand) {
                answer = _mockVmMgr.watchConsoleProxyLoad((WatchConsoleProxyLoadCommand) cmd);
            } else if (cmd instanceof SecurityGroupRulesCmd) {
                answer = _mockVmMgr.addSecurityGroupRules((SecurityGroupRulesCmd) cmd, info);
            } else if (cmd instanceof SavePasswordCommand) {
                answer = _mockVmMgr.savePassword((SavePasswordCommand) cmd);
            } else if (cmd instanceof PrimaryStorageDownloadCommand) {
                answer = _mockStorageMgr.primaryStorageDownload((PrimaryStorageDownloadCommand) cmd);
            } else if (cmd instanceof CreateCommand) {
                answer = _mockStorageMgr.createVolume((CreateCommand) cmd);
            } else if (cmd instanceof AttachIsoCommand) {
                answer = _mockStorageMgr.AttachIso((AttachIsoCommand) cmd);
            } else if (cmd instanceof DeleteStoragePoolCommand) {
                answer = _mockStorageMgr.DeleteStoragePool((DeleteStoragePoolCommand) cmd);
            } else if (cmd instanceof ModifyStoragePoolCommand) {
                answer = _mockStorageMgr.ModifyStoragePool((ModifyStoragePoolCommand) cmd);
            } else if (cmd instanceof CreateStoragePoolCommand) {
                answer = _mockStorageMgr.CreateStoragePool((CreateStoragePoolCommand) cmd);
            } else if (cmd instanceof SecStorageSetupCommand) {
                answer = _mockStorageMgr.SecStorageSetup((SecStorageSetupCommand) cmd);
            } else if (cmd instanceof ListTemplateCommand) {
                answer = _mockStorageMgr.ListTemplates((ListTemplateCommand) cmd);
            } else if (cmd instanceof ListVolumeCommand) {
                answer = _mockStorageMgr.ListVolumes((ListVolumeCommand) cmd);
            } else if (cmd instanceof DestroyCommand) {
                answer = _mockStorageMgr.Destroy((DestroyCommand) cmd);
            } else if (cmd instanceof DownloadProgressCommand) {
                answer = _mockStorageMgr.DownloadProcess((DownloadProgressCommand) cmd);
            } else if (cmd instanceof DownloadCommand) {
                answer = _mockStorageMgr.Download((DownloadCommand) cmd);
            } else if (cmd instanceof GetStorageStatsCommand) {
                answer = _mockStorageMgr.GetStorageStats((GetStorageStatsCommand) cmd);
            } else if (cmd instanceof ManageSnapshotCommand) {
                answer = _mockStorageMgr.ManageSnapshot((ManageSnapshotCommand) cmd);
            } else if (cmd instanceof BackupSnapshotCommand) {
                answer = _mockStorageMgr.BackupSnapshot((BackupSnapshotCommand) cmd, info);
            } else if (cmd instanceof CreateVolumeFromSnapshotCommand) {
                answer = _mockStorageMgr.CreateVolumeFromSnapshot((CreateVolumeFromSnapshotCommand) cmd);
            } else if (cmd instanceof DeleteCommand) {
                answer = _mockStorageMgr.Delete((DeleteCommand) cmd);
            } else if (cmd instanceof SecStorageVMSetupCommand) {
                answer = _mockStorageMgr.SecStorageVMSetup((SecStorageVMSetupCommand) cmd);
            } else if (cmd instanceof CreatePrivateTemplateFromSnapshotCommand) {
                answer = _mockStorageMgr.CreatePrivateTemplateFromSnapshot((CreatePrivateTemplateFromSnapshotCommand) cmd);
            } else if (cmd instanceof ComputeChecksumCommand) {
                answer = _mockStorageMgr.ComputeChecksum((ComputeChecksumCommand) cmd);
            } else if (cmd instanceof CreatePrivateTemplateFromVolumeCommand) {
                answer = _mockStorageMgr.CreatePrivateTemplateFromVolume((CreatePrivateTemplateFromVolumeCommand) cmd);
            } else if (cmd instanceof UploadStatusCommand) {
                answer = _mockStorageMgr.getUploadStatus((UploadStatusCommand) cmd);
            } else if (cmd instanceof MaintainCommand) {
                answer = _mockAgentMgr.maintain((MaintainCommand) cmd);
            } else if (cmd instanceof GetVmStatsCommand) {
                answer = _mockVmMgr.getVmStats((GetVmStatsCommand) cmd);
            } else if (cmd instanceof CheckRouterCommand) {
                answer = _mockVmMgr.checkRouter((CheckRouterCommand) cmd);
            } else if (cmd instanceof GetDomRVersionCmd) {
                answer = _mockVmMgr.getDomRVersion((GetDomRVersionCmd) cmd);
            } else if (cmd instanceof CopyVolumeCommand) {
                answer = _mockStorageMgr.CopyVolume((CopyVolumeCommand) cmd);
            } else if (cmd instanceof PlugNicCommand) {
                answer = _mockNetworkMgr.plugNic((PlugNicCommand) cmd);
            } else if (cmd instanceof UnPlugNicCommand) {
                answer = _mockNetworkMgr.unplugNic((UnPlugNicCommand) cmd);
            } else if (cmd instanceof IpAssocVpcCommand) {
                answer = _mockNetworkMgr.ipAssoc((IpAssocVpcCommand) cmd);
            } else if (cmd instanceof SetSourceNatCommand) {
                answer = _mockNetworkMgr.setSourceNat((SetSourceNatCommand) cmd);
            } else if (cmd instanceof SetNetworkACLCommand) {
                answer = _mockNetworkMgr.setNetworkAcl((SetNetworkACLCommand) cmd);
            } else if (cmd instanceof SetupGuestNetworkCommand) {
                answer = _mockNetworkMgr.setUpGuestNetwork((SetupGuestNetworkCommand) cmd);
            } else if (cmd instanceof SetPortForwardingRulesVpcCommand) {
                answer = _mockNetworkMgr.setVpcPortForwards((SetPortForwardingRulesVpcCommand) cmd);
            } else if (cmd instanceof SetStaticNatRulesCommand) {
                answer = _mockNetworkMgr.setVPCStaticNatRules((SetStaticNatRulesCommand) cmd);
            } else if (cmd instanceof SetStaticRouteCommand) {
                answer = _mockNetworkMgr.setStaticRoute((SetStaticRouteCommand) cmd);
            } else if (cmd instanceof Site2SiteVpnCfgCommand) {
                answer = _mockNetworkMgr.siteToSiteVpn((Site2SiteVpnCfgCommand) cmd);
            } else if (cmd instanceof CheckS2SVpnConnectionsCommand) {
                answer = _mockNetworkMgr.checkSiteToSiteVpnConnection((CheckS2SVpnConnectionsCommand) cmd);
            } else if (cmd instanceof CreateVMSnapshotCommand) {
                answer = _mockVmMgr.createVmSnapshot((CreateVMSnapshotCommand) cmd);
            } else if (cmd instanceof DeleteVMSnapshotCommand) {
                answer = _mockVmMgr.deleteVmSnapshot((DeleteVMSnapshotCommand) cmd);
            } else if (cmd instanceof RevertToVMSnapshotCommand) {
                answer = _mockVmMgr.revertVmSnapshot((RevertToVMSnapshotCommand) cmd);
            } else if (cmd instanceof NetworkRulesVmSecondaryIpCommand) {
                answer = _mockVmMgr.plugSecondaryIp((NetworkRulesVmSecondaryIpCommand) cmd);
            } else if (cmd instanceof ScaleVmCommand) {
                answer = _mockVmMgr.scaleVm((ScaleVmCommand) cmd);
            } else if (cmd instanceof PvlanSetupCommand) {
                answer = _mockNetworkMgr.setupPVLAN((PvlanSetupCommand) cmd);
            } else if (cmd instanceof StorageSubSystemCommand) {
                answer = storageHandler.handleStorageCommands((StorageSubSystemCommand) cmd);
            } else if (cmd instanceof FenceCommand) {
                answer = _mockVmMgr.fence((FenceCommand) cmd);
            } else if (cmd instanceof GetRouterAlertsCommand || cmd instanceof VpnUsersCfgCommand || cmd instanceof RemoteAccessVpnCfgCommand || cmd instanceof SetMonitorServiceCommand || cmd instanceof AggregationControlCommand || cmd instanceof SecStorageFirewallCfgCommand) {
                answer = new Answer(cmd);
            } else {
                s_logger.error("Simulator does not implement command of type " + cmd.toString());
                answer = Answer.createUnsupportedCommandAnswer(cmd);
            }
        }
        if (config != null && config.getCount() != null && config.getCount().intValue() > 0) {
            if (answer != null) {
                config.setCount(config.getCount().intValue() - 1);
                _mockConfigDao.update(config.getId(), config);
            }
        }
        return answer;
    } catch (final Exception e) {
        s_logger.error("Failed execute cmd: ", e);
        txn.rollback();
        return new Answer(cmd, false, e.toString());
    } finally {
        txn.close();
        txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB);
        txn.close();
    }
}