Examples with GPUDeviceTO com.cloud.agent.api.to.GPUDeviceTO used on opensource projects

Example 6 with GPUDeviceTO

use of com.cloud.agent.api.to.GPUDeviceTO in project cosmic by MissionCriticalCloud.

the class VirtualMachineManagerImpl method advanceStop.

private void advanceStop(final VMInstanceVO vm, final boolean cleanUpEvenIfUnableToStop) throws AgentUnavailableException, OperationTimedoutException, ConcurrentOperationException {
    final State state = vm.getState();
    if (state == State.Stopped) {
        s_logger.debug("VM is already stopped: " + vm);
        return;
    }
    if (state == State.Destroyed || state == State.Expunging || state == State.Error) {
        s_logger.debug("Stopped called on " + vm + " but the state is " + state);
        return;
    }
    // grab outstanding work item if any
    final ItWorkVO work = _workDao.findByOutstandingWork(vm.getId(), vm.getState());
    if (work != null) {
        s_logger.debug("Found an outstanding work item for this vm " + vm + " with state:" + vm.getState() + ", work id:" + work.getId());
    }
    final Long hostId = vm.getHostId();
    if (hostId == null) {
        if (!cleanUpEvenIfUnableToStop) {
            s_logger.debug("HostId is null but this is not a forced stop, cannot stop vm " + vm + " with state:" + vm.getState());
            throw new CloudRuntimeException("Unable to stop " + vm);
        }
        try {
            stateTransitTo(vm, Event.AgentReportStopped, null, null);
        } catch (final NoTransitionException e) {
            s_logger.warn(e.getMessage());
        }
        // mark outstanding work item if any as done
        if (work != null) {
            s_logger.debug("Updating work item to Done, id:" + work.getId());
            work.setStep(Step.Done);
            _workDao.update(work.getId(), work);
        }
        return;
    }
    final VirtualMachineGuru vmGuru = getVmGuru(vm);
    final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm);
    try {
        if (!stateTransitTo(vm, Event.StopRequested, vm.getHostId())) {
            throw new ConcurrentOperationException("VM is being operated on.");
        }
    } catch (final NoTransitionException e1) {
        if (!cleanUpEvenIfUnableToStop) {
            throw new CloudRuntimeException("We cannot stop " + vm + " when it is in state " + vm.getState());
        }
        final boolean doCleanup = true;
        s_logger.debug("Unable to transition the state but we're moving on because it's forced stop");
        if (doCleanup) {
            if (cleanup(vmGuru, new VirtualMachineProfileImpl(vm), work, Event.StopRequested, cleanUpEvenIfUnableToStop)) {
                try {
                    if (work != null) {
                        s_logger.debug("Updating work item to Done, id:" + work.getId());
                    }
                    if (!changeState(vm, Event.AgentReportStopped, null, work, Step.Done)) {
                        throw new CloudRuntimeException("Unable to stop " + vm);
                    }
                } catch (final NoTransitionException e) {
                    s_logger.warn("Unable to cleanup " + vm);
                    throw new CloudRuntimeException("Unable to stop " + vm, e);
                }
            } else {
                s_logger.debug("Failed to cleanup VM: " + vm);
                throw new CloudRuntimeException("Failed to cleanup " + vm + " , current state " + vm.getState());
            }
        }
    }
    if (vm.getState() != State.Stopping) {
        throw new CloudRuntimeException("We cannot proceed with stop VM " + vm + " since it is not in 'Stopping' state, current state: " + vm.getState());
    }
    vmGuru.prepareStop(profile);
    final StopCommand stop = new StopCommand(vm, getExecuteInSequence(vm.getHypervisorType()), false, cleanUpEvenIfUnableToStop);
    boolean stopped = false;
    Answer answer = null;
    try {
        answer = _agentMgr.send(vm.getHostId(), stop);
        if (answer != null) {
            if (answer instanceof StopAnswer) {
                final StopAnswer stopAns = (StopAnswer) answer;
                if (vm.getType() == VirtualMachine.Type.User) {
                    final String platform = stopAns.getPlatform();
                    if (platform != null) {
                        final UserVmVO userVm = _userVmDao.findById(vm.getId());
                        _userVmDao.loadDetails(userVm);
                        userVm.setDetail("platform", platform);
                        _userVmDao.saveDetails(userVm);
                    }
                }
            }
            stopped = answer.getResult();
            if (!stopped) {
                throw new CloudRuntimeException("Unable to stop the virtual machine due to " + answer.getDetails());
            }
            vmGuru.finalizeStop(profile, answer);
            final GPUDeviceTO gpuDevice = stop.getGpuDevice();
            if (gpuDevice != null) {
                _resourceMgr.updateGPUDetails(vm.getHostId(), gpuDevice.getGroupDetails());
            }
        } else {
            throw new CloudRuntimeException("Invalid answer received in response to a StopCommand on " + vm.instanceName);
        }
    } catch (final AgentUnavailableException e) {
        s_logger.warn("Unable to stop vm, agent unavailable: " + e.toString());
    } catch (final OperationTimedoutException e) {
        s_logger.warn("Unable to stop vm, operation timed out: " + e.toString());
    } finally {
        if (!stopped) {
            if (!cleanUpEvenIfUnableToStop) {
                s_logger.warn("Unable to stop vm " + vm);
                try {
                    stateTransitTo(vm, Event.OperationFailed, vm.getHostId());
                } catch (final NoTransitionException e) {
                    s_logger.warn("Unable to transition the state " + vm);
                }
                throw new CloudRuntimeException("Unable to stop " + vm);
            } else {
                s_logger.warn("Unable to actually stop " + vm + " but continue with release because it's a force stop");
                vmGuru.finalizeStop(profile, answer);
            }
        }
    }
    s_logger.debug(vm + " is stopped on the host.  Proceeding to release resource held.");
    try {
        _networkMgr.release(profile, cleanUpEvenIfUnableToStop);
        s_logger.debug("Successfully released network resources for the vm " + vm);
    } catch (final Exception e) {
        s_logger.warn("Unable to release some network resources.", e);
    }
    volumeMgr.release(profile);
    s_logger.debug("Successfully released storage resources for the vm " + vm);
    try {
        if (work != null) {
            s_logger.debug("Updating the outstanding work item to Done, id:" + work.getId());
            work.setStep(Step.Done);
            _workDao.update(work.getId(), work);
        }
        if (!stateTransitTo(vm, Event.OperationSucceeded, null)) {
            throw new CloudRuntimeException("unable to stop " + vm);
        }
    } catch (final NoTransitionException e) {
        s_logger.warn(e.getMessage());
        throw new CloudRuntimeException("Unable to stop " + vm);
    }
}

Example 7 with GPUDeviceTO

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

the class VirtualMachineManagerImpl method advanceStop.

private void advanceStop(final VMInstanceVO vm, final boolean cleanUpEvenIfUnableToStop) throws AgentUnavailableException, OperationTimedoutException, ConcurrentOperationException {
    final State state = vm.getState();
    if (state == State.Stopped) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("VM is already stopped: " + vm);
        }
        return;
    }
    if (state == State.Destroyed || state == State.Expunging || state == State.Error) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Stopped called on " + vm + " but the state is " + state);
        }
        return;
    }
    final ItWorkVO work = _workDao.findByOutstandingWork(vm.getId(), vm.getState());
    if (work != null) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Found an outstanding work item for this vm " + vm + " with state:" + vm.getState() + ", work id:" + work.getId());
        }
    }
    final Long hostId = vm.getHostId();
    if (hostId == null) {
        if (!cleanUpEvenIfUnableToStop) {
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("HostId is null but this is not a forced stop, cannot stop vm " + vm + " with state:" + vm.getState());
            }
            throw new CloudRuntimeException("Unable to stop " + vm);
        }
        try {
            stateTransitTo(vm, Event.AgentReportStopped, null, null);
        } catch (final NoTransitionException e) {
            s_logger.warn(e.getMessage());
        }
        if (work != null) {
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Updating work item to Done, id:" + work.getId());
            }
            work.setStep(Step.Done);
            _workDao.update(work.getId(), work);
        }
        return;
    } else {
        HostVO host = _hostDao.findById(hostId);
        if (!cleanUpEvenIfUnableToStop && vm.getState() == State.Running && host.getResourceState() == ResourceState.PrepareForMaintenance) {
            s_logger.debug("Host is in PrepareForMaintenance state - Stop VM operation on the VM id: " + vm.getId() + " is not allowed");
            throw new CloudRuntimeException("Stop VM operation on the VM id: " + vm.getId() + " is not allowed as host is preparing for maintenance mode");
        }
    }
    final VirtualMachineGuru vmGuru = getVmGuru(vm);
    final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm);
    try {
        if (!stateTransitTo(vm, Event.StopRequested, vm.getHostId())) {
            throw new ConcurrentOperationException(String.format("%s is being operated on.", vm.toString()));
        }
    } catch (final NoTransitionException e1) {
        if (!cleanUpEvenIfUnableToStop) {
            throw new CloudRuntimeException("We cannot stop " + vm + " when it is in state " + vm.getState());
        }
        final boolean doCleanup = true;
        if (s_logger.isDebugEnabled()) {
            s_logger.warn("Unable to transition the state but we're moving on because it's forced stop", e1);
        }
        if (doCleanup) {
            if (cleanup(vmGuru, new VirtualMachineProfileImpl(vm), work, Event.StopRequested, cleanUpEvenIfUnableToStop)) {
                try {
                    if (s_logger.isDebugEnabled() && work != null) {
                        s_logger.debug("Updating work item to Done, id:" + work.getId());
                    }
                    if (!changeState(vm, Event.AgentReportStopped, null, work, Step.Done)) {
                        throw new CloudRuntimeException("Unable to stop " + vm);
                    }
                } catch (final NoTransitionException e) {
                    s_logger.warn("Unable to cleanup " + vm);
                    throw new CloudRuntimeException("Unable to stop " + vm, e);
                }
            } else {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("Failed to cleanup VM: " + vm);
                }
                throw new CloudRuntimeException("Failed to cleanup " + vm + " , current state " + vm.getState());
            }
        }
    }
    if (vm.getState() != State.Stopping) {
        throw new CloudRuntimeException("We cannot proceed with stop VM " + vm + " since it is not in 'Stopping' state, current state: " + vm.getState());
    }
    vmGuru.prepareStop(profile);
    Map<String, Boolean> vlanToPersistenceMap = getVlanToPersistenceMapForVM(vm.getId());
    final StopCommand stop = new StopCommand(vm, getExecuteInSequence(vm.getHypervisorType()), false, cleanUpEvenIfUnableToStop);
    stop.setControlIp(getControlNicIpForVM(vm));
    if (MapUtils.isNotEmpty(vlanToPersistenceMap)) {
        stop.setVlanToPersistenceMap(vlanToPersistenceMap);
    }
    boolean stopped = false;
    Answer answer = null;
    try {
        answer = _agentMgr.send(vm.getHostId(), stop);
        if (answer != null) {
            if (answer instanceof StopAnswer) {
                final StopAnswer stopAns = (StopAnswer) answer;
                if (vm.getType() == VirtualMachine.Type.User) {
                    final String platform = stopAns.getPlatform();
                    if (platform != null) {
                        final UserVmVO userVm = _userVmDao.findById(vm.getId());
                        _userVmDao.loadDetails(userVm);
                        userVm.setDetail(VmDetailConstants.PLATFORM, platform);
                        _userVmDao.saveDetails(userVm);
                    }
                }
            }
            stopped = answer.getResult();
            if (!stopped) {
                throw new CloudRuntimeException("Unable to stop the virtual machine due to " + answer.getDetails());
            }
            vmGuru.finalizeStop(profile, answer);
            final GPUDeviceTO gpuDevice = stop.getGpuDevice();
            if (gpuDevice != null) {
                _resourceMgr.updateGPUDetails(vm.getHostId(), gpuDevice.getGroupDetails());
            }
        } else {
            throw new CloudRuntimeException("Invalid answer received in response to a StopCommand on " + vm.instanceName);
        }
    } catch (AgentUnavailableException | OperationTimedoutException e) {
        s_logger.warn(String.format("Unable to stop %s due to [%s].", profile.toString(), e.toString()), e);
    } finally {
        if (!stopped) {
            if (!cleanUpEvenIfUnableToStop) {
                s_logger.warn("Unable to stop vm " + vm);
                try {
                    stateTransitTo(vm, Event.OperationFailed, vm.getHostId());
                } catch (final NoTransitionException e) {
                    s_logger.warn("Unable to transition the state " + vm, e);
                }
                throw new CloudRuntimeException("Unable to stop " + vm);
            } else {
                s_logger.warn("Unable to actually stop " + vm + " but continue with release because it's a force stop");
                vmGuru.finalizeStop(profile, answer);
            }
        } else {
            if (VirtualMachine.systemVMs.contains(vm.getType())) {
                HostVO systemVmHost = ApiDBUtils.findHostByTypeNameAndZoneId(vm.getDataCenterId(), vm.getHostName(), VirtualMachine.Type.SecondaryStorageVm.equals(vm.getType()) ? Host.Type.SecondaryStorageVM : Host.Type.ConsoleProxy);
                if (systemVmHost != null) {
                    _agentMgr.agentStatusTransitTo(systemVmHost, Status.Event.ShutdownRequested, _nodeId);
                }
            }
        }
    }
    if (s_logger.isDebugEnabled()) {
        s_logger.debug(vm + " is stopped on the host.  Proceeding to release resource held.");
    }
    releaseVmResources(profile, cleanUpEvenIfUnableToStop);
    try {
        if (work != null) {
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Updating the outstanding work item to Done, id:" + work.getId());
            }
            work.setStep(Step.Done);
            _workDao.update(work.getId(), work);
        }
        boolean result = stateTransitTo(vm, Event.OperationSucceeded, null);
        if (result) {
            if (VirtualMachine.Type.User.equals(vm.type) && ResourceCountRunningVMsonly.value()) {
                ServiceOfferingVO offering = _offeringDao.findById(vm.getId(), vm.getServiceOfferingId());
                resourceCountDecrement(vm.getAccountId(), new Long(offering.getCpu()), new Long(offering.getRamSize()));
            }
        } else {
            throw new CloudRuntimeException("unable to stop " + vm);
        }
    } catch (final NoTransitionException e) {
        String message = String.format("Unable to stop %s due to [%s].", vm.toString(), e.getMessage());
        s_logger.warn(message, e);
        throw new CloudRuntimeException(message, e);
    }
}

Example 8 with GPUDeviceTO

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

the class VirtualMachineManagerImpl method sendStop.

protected boolean sendStop(final VirtualMachineGuru guru, final VirtualMachineProfile profile, final boolean force, final boolean checkBeforeCleanup) {
    final VirtualMachine vm = profile.getVirtualMachine();
    Map<String, Boolean> vlanToPersistenceMap = getVlanToPersistenceMapForVM(vm.getId());
    StopCommand stpCmd = new StopCommand(vm, getExecuteInSequence(vm.getHypervisorType()), checkBeforeCleanup);
    if (MapUtils.isNotEmpty(vlanToPersistenceMap)) {
        stpCmd.setVlanToPersistenceMap(vlanToPersistenceMap);
    }
    stpCmd.setControlIp(getControlNicIpForVM(vm));
    stpCmd.setVolumesToDisconnect(getVolumesToDisconnect(vm));
    final StopCommand stop = stpCmd;
    try {
        Answer answer = null;
        if (vm.getHostId() != null) {
            answer = _agentMgr.send(vm.getHostId(), stop);
        }
        if (answer != null && answer instanceof StopAnswer) {
            final StopAnswer stopAns = (StopAnswer) answer;
            if (vm.getType() == VirtualMachine.Type.User) {
                final String platform = stopAns.getPlatform();
                if (platform != null) {
                    final UserVmVO userVm = _userVmDao.findById(vm.getId());
                    _userVmDao.loadDetails(userVm);
                    userVm.setDetail(VmDetailConstants.PLATFORM, platform);
                    _userVmDao.saveDetails(userVm);
                }
            }
            final GPUDeviceTO gpuDevice = stop.getGpuDevice();
            if (gpuDevice != null) {
                _resourceMgr.updateGPUDetails(vm.getHostId(), gpuDevice.getGroupDetails());
            }
            if (!answer.getResult()) {
                final String details = answer.getDetails();
                s_logger.debug("Unable to stop VM due to " + details);
                return false;
            }
            guru.finalizeStop(profile, answer);
            final UserVmVO userVm = _userVmDao.findById(vm.getId());
            if (vm.getType() == VirtualMachine.Type.User) {
                if (userVm != null) {
                    userVm.setPowerState(PowerState.PowerOff);
                    _userVmDao.update(userVm.getId(), userVm);
                }
            }
        } else {
            s_logger.error("Invalid answer received in response to a StopCommand for " + vm.getInstanceName());
            return false;
        }
    } catch (final AgentUnavailableException | OperationTimedoutException e) {
        s_logger.warn(String.format("Unable to stop %s due to [%s].", vm.toString(), e.getMessage()), e);
        if (!force) {
            return false;
        }
    }
    return true;
}

Example 9 with GPUDeviceTO

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

the class CitrixStartCommandWrapper method execute.

@Override
public Answer execute(final StartCommand command, final CitrixResourceBase citrixResourceBase) {
    final Connection conn = citrixResourceBase.getConnection();
    final VirtualMachineTO vmSpec = command.getVirtualMachine();
    final String vmName = vmSpec.getName();
    VmPowerState state = VmPowerState.HALTED;
    VM vm = null;
    // if a VDI is created, record its UUID and its type (ex. VHD) to send back to the CS MS
    final Map<String, Map<String, String>> iqnToData = new HashMap<>();
    try {
        final Set<VM> vms = VM.getByNameLabel(conn, vmName);
        if (vms != null) {
            for (final VM v : vms) {
                final VM.Record vRec = v.getRecord(conn);
                if (vRec.powerState == VmPowerState.HALTED) {
                    v.destroy(conn);
                } else if (vRec.powerState == VmPowerState.RUNNING) {
                    final String host = vRec.residentOn.getUuid(conn);
                    final String msg = "VM " + vmName + " is runing on host " + host;
                    s_logger.debug(msg);
                    return new StartAnswer(command, msg, host);
                } else {
                    final String msg = "There is already a VM having the same name " + vmName + " vm record " + vRec.toString();
                    s_logger.warn(msg);
                    return new StartAnswer(command, msg);
                }
            }
        }
        s_logger.debug("1. The VM " + vmName + " is in Starting state.");
        final Host host = Host.getByUuid(conn, citrixResourceBase.getHost().getUuid());
        vm = citrixResourceBase.createVmFromTemplate(conn, vmSpec, host);
        final GPUDeviceTO gpuDevice = vmSpec.getGpuDevice();
        if (gpuDevice != null) {
            s_logger.debug("Creating VGPU for of VGPU type: " + gpuDevice.getVgpuType() + " in GPU group " + gpuDevice.getGpuGroup() + " for VM " + vmName);
            citrixResourceBase.createVGPU(conn, command, vm, gpuDevice);
        }
        if (vmSpec.getType() != VirtualMachine.Type.User) {
            citrixResourceBase.createPatchVbd(conn, vmName, vm);
        }
        prepareDisks(vmSpec, citrixResourceBase, conn, iqnToData, vmName, vm);
        for (final NicTO nic : vmSpec.getNics()) {
            citrixResourceBase.createVif(conn, vmName, vm, vmSpec, nic);
        }
        citrixResourceBase.startVM(conn, host, vm, vmName);
        if (citrixResourceBase.isOvs()) {
            // TODO(Salvatore-orlando): This code should go
            for (final NicTO nic : vmSpec.getNics()) {
                if (nic.getBroadcastType() == Networks.BroadcastDomainType.Vswitch) {
                    final HashMap<String, String> args = citrixResourceBase.parseDefaultOvsRuleComamnd(BroadcastDomainType.getValue(nic.getBroadcastUri()));
                    final OvsSetTagAndFlowCommand flowCmd = new OvsSetTagAndFlowCommand(args.get("vmName"), args.get("tag"), args.get("vlans"), args.get("seqno"), Long.parseLong(args.get("vmId")));
                    final CitrixRequestWrapper citrixRequestWrapper = CitrixRequestWrapper.getInstance();
                    final OvsSetTagAndFlowAnswer r = (OvsSetTagAndFlowAnswer) citrixRequestWrapper.execute(flowCmd, citrixResourceBase);
                    if (!r.getResult()) {
                        s_logger.warn("Failed to set flow for VM " + r.getVmId());
                    } else {
                        s_logger.info("Success to set flow for VM " + r.getVmId());
                    }
                }
            }
        }
        if (citrixResourceBase.canBridgeFirewall()) {
            String result = null;
            if (vmSpec.getType() != VirtualMachine.Type.User) {
                final NicTO[] nics = vmSpec.getNics();
                boolean secGrpEnabled = false;
                for (final NicTO nic : nics) {
                    if (nic.isSecurityGroupEnabled() || nic.getIsolationUri() != null && nic.getIsolationUri().getScheme().equalsIgnoreCase(IsolationType.Ec2.toString())) {
                        secGrpEnabled = true;
                        break;
                    }
                }
                if (secGrpEnabled) {
                    result = citrixResourceBase.callHostPlugin(conn, "vmops", "default_network_rules_systemvm", "vmName", vmName);
                    if (result == null || result.isEmpty() || !Boolean.parseBoolean(result)) {
                        s_logger.warn("Failed to program default network rules for " + vmName);
                    } else {
                        s_logger.info("Programmed default network rules for " + vmName);
                    }
                }
            } else {
                // For user vm, program the rules for each nic if the
                // isolation uri scheme is ec2
                final NicTO[] nics = vmSpec.getNics();
                for (final NicTO nic : nics) {
                    if (nic.isSecurityGroupEnabled() || nic.getIsolationUri() != null && nic.getIsolationUri().getScheme().equalsIgnoreCase(IsolationType.Ec2.toString())) {
                        final List<String> nicSecIps = nic.getNicSecIps();
                        String secIpsStr;
                        final StringBuilder sb = new StringBuilder();
                        if (nicSecIps != null) {
                            for (final String ip : nicSecIps) {
                                sb.append(ip).append(";");
                            }
                            secIpsStr = sb.toString();
                        } else {
                            secIpsStr = "0;";
                        }
                        result = citrixResourceBase.callHostPlugin(conn, "vmops", "default_network_rules", "vmName", vmName, "vmIP", nic.getIp(), "vmMAC", nic.getMac(), "vmID", Long.toString(vmSpec.getId()), "secIps", secIpsStr);
                        if (result == null || result.isEmpty() || !Boolean.parseBoolean(result)) {
                            s_logger.warn("Failed to program default network rules for " + vmName + " on nic with ip:" + nic.getIp() + " mac:" + nic.getMac());
                        } else {
                            s_logger.info("Programmed default network rules for " + vmName + " on nic with ip:" + nic.getIp() + " mac:" + nic.getMac());
                        }
                    }
                }
            }
        }
        state = VmPowerState.RUNNING;
        final StartAnswer startAnswer = new StartAnswer(command);
        startAnswer.setIqnToData(iqnToData);
        return startAnswer;
    } catch (final Exception e) {
        s_logger.warn("Catch Exception: " + e.getClass().toString() + " due to " + e.toString(), e);
        final String msg = citrixResourceBase.handleVmStartFailure(conn, vmName, vm, "", e);
        final StartAnswer startAnswer = new StartAnswer(command, msg);
        startAnswer.setIqnToData(iqnToData);
        return startAnswer;
    } finally {
        if (state != VmPowerState.HALTED) {
            s_logger.debug("2. The VM " + vmName + " is in " + state + " state.");
        } else {
            s_logger.debug("The VM is in stopped state, detected problem during startup : " + vmName);
        }
    }
}

Example 10 with GPUDeviceTO

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

the class CitrixStopCommandWrapper method execute.

@Override
public Answer execute(final StopCommand command, final CitrixResourceBase citrixResourceBase) {
    final String vmName = command.getVmName();
    final Map<String, Boolean> vlanToPersistenceMap = command.getVlanToPersistenceMap();
    String platformstring = null;
    try {
        final Connection conn = citrixResourceBase.getConnection();
        final Set<VM> vms = VM.getByNameLabel(conn, vmName);
        // stop vm which is running on this host or is in halted state
        final Iterator<VM> iter = vms.iterator();
        while (iter.hasNext()) {
            final VM vm = iter.next();
            final VM.Record vmr = vm.getRecord(conn);
            if (vmr.powerState != VmPowerState.RUNNING) {
                continue;
            }
            if (citrixResourceBase.isRefNull(vmr.residentOn)) {
                continue;
            }
            if (vmr.residentOn.getUuid(conn).equals(citrixResourceBase.getHost().getUuid())) {
                continue;
            }
            iter.remove();
        }
        if (vms.size() == 0) {
            return new StopAnswer(command, "VM does not exist", true);
        }
        for (final VM vm : vms) {
            final VM.Record vmr = vm.getRecord(conn);
            platformstring = StringUtils.mapToString(vmr.platform);
            if (vmr.isControlDomain) {
                final String msg = "Tring to Shutdown control domain";
                s_logger.warn(msg);
                return new StopAnswer(command, msg, false);
            }
            if (vmr.powerState == VmPowerState.RUNNING && !citrixResourceBase.isRefNull(vmr.residentOn) && !vmr.residentOn.getUuid(conn).equals(citrixResourceBase.getHost().getUuid())) {
                final String msg = "Stop Vm " + vmName + " failed due to this vm is not running on this host: " + citrixResourceBase.getHost().getUuid() + " but host:" + vmr.residentOn.getUuid(conn);
                s_logger.warn(msg);
                return new StopAnswer(command, msg, platformstring, false);
            }
            if (command.checkBeforeCleanup() && vmr.powerState == VmPowerState.RUNNING) {
                final String msg = "Vm " + vmName + " is running on host and checkBeforeCleanup flag is set, so bailing out";
                s_logger.debug(msg);
                return new StopAnswer(command, msg, false);
            }
            s_logger.debug("9. The VM " + vmName + " is in Stopping state");
            try {
                if (vmr.powerState == VmPowerState.RUNNING) {
                    /* when stop a vm, set affinity to current xenserver */
                    vm.setAffinity(conn, vm.getResidentOn(conn));
                    if (citrixResourceBase.canBridgeFirewall()) {
                        final String result = citrixResourceBase.callHostPlugin(conn, "vmops", "destroy_network_rules_for_vm", "vmName", command.getVmName());
                        if (result == null || result.isEmpty() || !Boolean.parseBoolean(result)) {
                            s_logger.warn("Failed to remove  network rules for vm " + command.getVmName());
                        } else {
                            s_logger.info("Removed  network rules for vm " + command.getVmName());
                        }
                    }
                    citrixResourceBase.shutdownVM(conn, vm, vmName, command.isForceStop());
                }
            } catch (final Exception e) {
                final String msg = "Catch exception " + e.getClass().getName() + " when stop VM:" + command.getVmName() + " due to " + e.toString();
                s_logger.debug(msg);
                return new StopAnswer(command, msg, platformstring, false);
            } finally {
                try {
                    if (vm.getPowerState(conn) == VmPowerState.HALTED) {
                        Set<VGPU> vGPUs = null;
                        // Get updated GPU details
                        try {
                            vGPUs = vm.getVGPUs(conn);
                        } catch (final XenAPIException e2) {
                            s_logger.debug("VM " + vmName + " does not have GPU support.");
                        }
                        if (vGPUs != null && !vGPUs.isEmpty()) {
                            final HashMap<String, HashMap<String, VgpuTypesInfo>> groupDetails = citrixResourceBase.getGPUGroupDetails(conn);
                            command.setGpuDevice(new GPUDeviceTO(null, null, groupDetails));
                        }
                        final Set<VIF> vifs = vm.getVIFs(conn);
                        final List<Network> networks = new ArrayList<Network>();
                        for (final VIF vif : vifs) {
                            networks.add(vif.getNetwork(conn));
                        }
                        vm.destroy(conn);
                        final SR sr = citrixResourceBase.getISOSRbyVmName(conn, command.getVmName());
                        citrixResourceBase.removeSR(conn, sr);
                        // anymore
                        for (final Network network : networks) {
                            try {
                                if (network.getNameLabel(conn).startsWith("VLAN")) {
                                    String networkLabel = network.getNameLabel(conn);
                                    citrixResourceBase.disableVlanNetwork(conn, network, shouldDeleteVlan(networkLabel, vlanToPersistenceMap));
                                }
                            } catch (final Exception e) {
                            // network might be destroyed by other host
                            }
                        }
                        return new StopAnswer(command, "Stop VM " + vmName + " Succeed", platformstring, true);
                    }
                } catch (final Exception e) {
                    final String msg = "VM destroy failed in Stop " + vmName + " Command due to " + e.getMessage();
                    s_logger.warn(msg, e);
                } finally {
                    s_logger.debug("10. The VM " + vmName + " is in Stopped state");
                }
            }
        }
    } catch (final Exception e) {
        final String msg = "Stop Vm " + vmName + " fail due to " + e.toString();
        s_logger.warn(msg, e);
        return new StopAnswer(command, msg, platformstring, false);
    }
    return new StopAnswer(command, "Stop VM failed", platformstring, false);
}