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

Example 21 with VirtualMachineTO

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

the class CitrixPrepareForMigrationCommandWrapper method execute.

@Override
public Answer execute(final PrepareForMigrationCommand command, final CitrixResourceBase citrixResourceBase) {
    final Connection conn = citrixResourceBase.getConnection();
    final VirtualMachineTO vm = command.getVirtualMachine();
    List<String[]> vmDataList = vm.getVmData();
    String configDriveLabel = vm.getConfigDriveLabel();
    if (configDriveLabel == null) {
        configDriveLabel = "config";
    }
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Preparing host for migrating " + vm);
    }
    final NicTO[] nics = vm.getNics();
    try {
        citrixResourceBase.prepareISO(conn, vm.getName(), vmDataList, configDriveLabel);
        for (final NicTO nic : nics) {
            citrixResourceBase.getNetwork(conn, nic);
        }
        s_logger.debug("4. The VM " + vm.getName() + " is in Migrating state");
        return new PrepareForMigrationAnswer(command);
    } catch (final Exception e) {
        s_logger.warn("Catch Exception " + e.getClass().getName() + " prepare for migration failed due to " + e.toString(), e);
        return new PrepareForMigrationAnswer(command, e);
    }
}

Example 22 with VirtualMachineTO

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

the class VpcVirtualNetworkApplianceManagerImpl method finalizeCommandsOnStart.

@Override
public boolean finalizeCommandsOnStart(final Commands cmds, final VirtualMachineProfile profile) {
    final DomainRouterVO domainRouterVO = _routerDao.findById(profile.getId());
    Map<String, String> details = new HashMap<String, String>();
    if (profile.getHypervisorType() == Hypervisor.HypervisorType.VMware) {
        HypervisorGuru hvGuru = _hvGuruMgr.getGuru(profile.getHypervisorType());
        VirtualMachineTO vmTO = hvGuru.implement(profile);
        if (vmTO.getDetails() != null) {
            details = vmTO.getDetails();
        }
    }
    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(), details);
                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(), details);
                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;
}

Example 23 with VirtualMachineTO

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

the class OvmResourceBase method execute.

protected PrepareForMigrationAnswer execute(PrepareForMigrationCommand cmd) {
    VirtualMachineTO vm = cmd.getVirtualMachine();
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Preparing host for migrating " + vm);
    }
    NicTO[] nics = vm.getNics();
    try {
        for (NicTO nic : nics) {
            getNetwork(nic);
        }
        return new PrepareForMigrationAnswer(cmd);
    } catch (Exception e) {
        s_logger.warn("Catch Exception " + e.getClass().getName() + " prepare for migration failed due to " + e.toString(), e);
        return new PrepareForMigrationAnswer(cmd, e);
    }
}

Example 24 with VirtualMachineTO

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

the class OvmResourceBase method execute.

@Override
public synchronized StartAnswer execute(StartCommand cmd) {
    VirtualMachineTO vmSpec = cmd.getVirtualMachine();
    String vmName = vmSpec.getName();
    OvmVm.Details vmDetails = null;
    try {
        vmDetails = new OvmVm.Details();
        applySpecToVm(vmDetails, vmSpec);
        createVbds(vmDetails, vmSpec);
        createVifs(vmDetails, vmSpec);
        startVm(vmDetails);
        // Add security group rules
        NicTO[] nics = vmSpec.getNics();
        for (NicTO nic : nics) {
            if (nic.isSecurityGroupEnabled()) {
                if (vmSpec.getType().equals(VirtualMachine.Type.User)) {
                    defaultNetworkRulesForUserVm(vmName, vmSpec.getId(), nic);
                }
            }
        }
        return new StartAnswer(cmd);
    } catch (Exception e) {
        s_logger.debug("Start vm " + vmName + " failed", e);
        cleanup(vmDetails);
        return new StartAnswer(cmd, e.getMessage());
    }
}

Example 25 with VirtualMachineTO

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

the class VirtualMachineManagerImpl method orchestrateStart.

@Override
public void orchestrateStart(final String vmUuid, final Map<VirtualMachineProfile.Param, Object> params, final DeploymentPlan planToDeploy, final DeploymentPlanner planner) throws InsufficientCapacityException, ConcurrentOperationException, ResourceUnavailableException {
    final CallContext cctxt = CallContext.current();
    final Account account = cctxt.getCallingAccount();
    final User caller = cctxt.getCallingUser();
    VMInstanceVO vm = _vmDao.findByUuid(vmUuid);
    final VirtualMachineGuru vmGuru = getVmGuru(vm);
    final Ternary<VMInstanceVO, ReservationContext, ItWorkVO> start = changeToStartState(vmGuru, vm, caller, account);
    if (start == null) {
        return;
    }
    vm = start.first();
    final ReservationContext ctx = start.second();
    ItWorkVO work = start.third();
    VMInstanceVO startedVm = null;
    final ServiceOfferingVO offering = _offeringDao.findById(vm.getId(), vm.getServiceOfferingId());
    final VirtualMachineTemplate template = _entityMgr.findByIdIncludingRemoved(VirtualMachineTemplate.class, vm.getTemplateId());
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Trying to deploy VM, vm has dcId: " + vm.getDataCenterId() + " and podId: " + vm.getPodIdToDeployIn());
    }
    DataCenterDeployment plan = new DataCenterDeployment(vm.getDataCenterId(), vm.getPodIdToDeployIn(), null, null, null, null, ctx);
    if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("advanceStart: DeploymentPlan is provided, using dcId:" + planToDeploy.getDataCenterId() + ", podId: " + planToDeploy.getPodId() + ", clusterId: " + planToDeploy.getClusterId() + ", hostId: " + planToDeploy.getHostId() + ", poolId: " + planToDeploy.getPoolId());
        }
        plan = new DataCenterDeployment(planToDeploy.getDataCenterId(), planToDeploy.getPodId(), planToDeploy.getClusterId(), planToDeploy.getHostId(), planToDeploy.getPoolId(), planToDeploy.getPhysicalNetworkId(), ctx);
    }
    final HypervisorGuru hvGuru = _hvGuruMgr.getGuru(vm.getHypervisorType());
    boolean canRetry = true;
    ExcludeList avoids = null;
    try {
        final Journal journal = start.second().getJournal();
        if (planToDeploy != null) {
            avoids = planToDeploy.getAvoids();
        }
        if (avoids == null) {
            avoids = new ExcludeList();
        }
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Deploy avoids pods: " + avoids.getPodsToAvoid() + ", clusters: " + avoids.getClustersToAvoid() + ", hosts: " + avoids.getHostsToAvoid());
        }
        boolean planChangedByVolume = false;
        boolean reuseVolume = true;
        final DataCenterDeployment originalPlan = plan;
        int retry = StartRetry.value();
        while (retry-- != 0) {
            if (reuseVolume) {
                // edit plan if this vm's ROOT volume is in READY state already
                final List<VolumeVO> vols = _volsDao.findReadyRootVolumesByInstance(vm.getId());
                for (final VolumeVO vol : vols) {
                    // make sure if the templateId is unchanged. If it is changed,
                    // let planner
                    // reassign pool for the volume even if it ready.
                    final Long volTemplateId = vol.getTemplateId();
                    if (volTemplateId != null && volTemplateId.longValue() != template.getId()) {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug(vol + " of " + vm + " is READY, but template ids don't match, let the planner reassign a new pool");
                        }
                        continue;
                    }
                    final StoragePool pool = (StoragePool) dataStoreMgr.getPrimaryDataStore(vol.getPoolId());
                    if (!pool.isInMaintenance()) {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug("Root volume is ready, need to place VM in volume's cluster");
                        }
                        final long rootVolDcId = pool.getDataCenterId();
                        final Long rootVolPodId = pool.getPodId();
                        final Long rootVolClusterId = pool.getClusterId();
                        if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
                            final Long clusterIdSpecified = planToDeploy.getClusterId();
                            if (clusterIdSpecified != null && rootVolClusterId != null) {
                                if (rootVolClusterId.longValue() != clusterIdSpecified.longValue()) {
                                    // planner
                                    if (s_logger.isDebugEnabled()) {
                                        s_logger.debug("Cannot satisfy the deployment plan passed in since the ready Root volume is in different cluster. volume's cluster: " + rootVolClusterId + ", cluster specified: " + clusterIdSpecified);
                                    }
                                    throw new ResourceUnavailableException("Root volume is ready in different cluster, Deployment plan provided cannot be satisfied, unable to create a deployment for " + vm, Cluster.class, clusterIdSpecified);
                                }
                            }
                            plan = new DataCenterDeployment(planToDeploy.getDataCenterId(), planToDeploy.getPodId(), planToDeploy.getClusterId(), planToDeploy.getHostId(), vol.getPoolId(), null, ctx);
                        } else {
                            plan = new DataCenterDeployment(rootVolDcId, rootVolPodId, rootVolClusterId, null, vol.getPoolId(), null, ctx);
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug(vol + " is READY, changing deployment plan to use this pool's dcId: " + rootVolDcId + " , podId: " + rootVolPodId + " , and clusterId: " + rootVolClusterId);
                            }
                            planChangedByVolume = true;
                        }
                    }
                }
            }
            final Account owner = _entityMgr.findById(Account.class, vm.getAccountId());
            final VirtualMachineProfileImpl vmProfile = new VirtualMachineProfileImpl(vm, template, offering, owner, params);
            DeployDestination dest = null;
            try {
                dest = _dpMgr.planDeployment(vmProfile, plan, avoids, planner);
            } catch (final AffinityConflictException e2) {
                s_logger.warn("Unable to create deployment, affinity rules associted to the VM conflict", e2);
                throw new CloudRuntimeException("Unable to create deployment, affinity rules associted to the VM conflict");
            }
            if (dest == null) {
                if (planChangedByVolume) {
                    plan = originalPlan;
                    planChangedByVolume = false;
                    //do not enter volume reuse for next retry, since we want to look for resources outside the volume's cluster
                    reuseVolume = false;
                    continue;
                }
                throw new InsufficientServerCapacityException("Unable to create a deployment for " + vmProfile, DataCenter.class, plan.getDataCenterId(), areAffinityGroupsAssociated(vmProfile));
            }
            if (dest != null) {
                avoids.addHost(dest.getHost().getId());
                journal.record("Deployment found ", vmProfile, dest);
            }
            long destHostId = dest.getHost().getId();
            vm.setPodIdToDeployIn(dest.getPod().getId());
            final Long cluster_id = dest.getCluster().getId();
            final ClusterDetailsVO cluster_detail_cpu = _clusterDetailsDao.findDetail(cluster_id, "cpuOvercommitRatio");
            final ClusterDetailsVO cluster_detail_ram = _clusterDetailsDao.findDetail(cluster_id, "memoryOvercommitRatio");
            //storing the value of overcommit in the vm_details table for doing a capacity check in case the cluster overcommit ratio is changed.
            if (_uservmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio") == null && (Float.parseFloat(cluster_detail_cpu.getValue()) > 1f || Float.parseFloat(cluster_detail_ram.getValue()) > 1f)) {
                _uservmDetailsDao.addDetail(vm.getId(), "cpuOvercommitRatio", cluster_detail_cpu.getValue(), true);
                _uservmDetailsDao.addDetail(vm.getId(), "memoryOvercommitRatio", cluster_detail_ram.getValue(), true);
            } else if (_uservmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio") != null) {
                _uservmDetailsDao.addDetail(vm.getId(), "cpuOvercommitRatio", cluster_detail_cpu.getValue(), true);
                _uservmDetailsDao.addDetail(vm.getId(), "memoryOvercommitRatio", cluster_detail_ram.getValue(), true);
            }
            vmProfile.setCpuOvercommitRatio(Float.parseFloat(cluster_detail_cpu.getValue()));
            vmProfile.setMemoryOvercommitRatio(Float.parseFloat(cluster_detail_ram.getValue()));
            StartAnswer startAnswer = null;
            try {
                if (!changeState(vm, Event.OperationRetry, destHostId, work, Step.Prepare)) {
                    throw new ConcurrentOperationException("Unable to update the state of the Virtual Machine " + vm.getUuid() + " oldstate: " + vm.getState() + "Event :" + Event.OperationRetry);
                }
            } catch (final NoTransitionException e1) {
                throw new ConcurrentOperationException(e1.getMessage());
            }
            try {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("VM is being created in podId: " + vm.getPodIdToDeployIn());
                }
                _networkMgr.prepare(vmProfile, new DeployDestination(dest.getDataCenter(), dest.getPod(), null, null), ctx);
                if (vm.getHypervisorType() != HypervisorType.BareMetal) {
                    volumeMgr.prepare(vmProfile, dest);
                }
                //since StorageMgr succeeded in volume creation, reuse Volume for further tries until current cluster has capacity
                if (!reuseVolume) {
                    reuseVolume = true;
                }
                Commands cmds = null;
                vmGuru.finalizeVirtualMachineProfile(vmProfile, dest, ctx);
                final VirtualMachineTO vmTO = hvGuru.implement(vmProfile);
                handlePath(vmTO.getDisks(), vm.getHypervisorType());
                cmds = new Commands(Command.OnError.Stop);
                cmds.addCommand(new StartCommand(vmTO, dest.getHost(), getExecuteInSequence(vm.getHypervisorType())));
                vmGuru.finalizeDeployment(cmds, vmProfile, dest, ctx);
                work = _workDao.findById(work.getId());
                if (work == null || work.getStep() != Step.Prepare) {
                    throw new ConcurrentOperationException("Work steps have been changed: " + work);
                }
                _workDao.updateStep(work, Step.Starting);
                _agentMgr.send(destHostId, cmds);
                _workDao.updateStep(work, Step.Started);
                startAnswer = cmds.getAnswer(StartAnswer.class);
                if (startAnswer != null && startAnswer.getResult()) {
                    handlePath(vmTO.getDisks(), startAnswer.getIqnToPath());
                    final String host_guid = startAnswer.getHost_guid();
                    if (host_guid != null) {
                        final HostVO finalHost = _resourceMgr.findHostByGuid(host_guid);
                        if (finalHost == null) {
                            throw new CloudRuntimeException("Host Guid " + host_guid + " doesn't exist in DB, something went wrong while processing start answer: " + startAnswer);
                        }
                        destHostId = finalHost.getId();
                    }
                    if (vmGuru.finalizeStart(vmProfile, destHostId, cmds, ctx)) {
                        syncDiskChainChange(startAnswer);
                        if (!changeState(vm, Event.OperationSucceeded, destHostId, work, Step.Done)) {
                            s_logger.error("Unable to transition to a new state. VM uuid: " + vm.getUuid() + "VM oldstate:" + vm.getState() + "Event:" + Event.OperationSucceeded);
                            throw new ConcurrentOperationException("Failed to deploy VM" + vm.getUuid());
                        }
                        // Update GPU device capacity
                        final GPUDeviceTO gpuDevice = startAnswer.getVirtualMachine().getGpuDevice();
                        if (gpuDevice != null) {
                            _resourceMgr.updateGPUDetails(destHostId, gpuDevice.getGroupDetails());
                        }
                        // information isn't set,
                        if (_uservmDetailsDao.findDetail(vm.getId(), "deployvm") != null) {
                            _uservmDetailsDao.removeDetail(vm.getId(), "deployvm");
                        }
                        startedVm = vm;
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug("Start completed for VM " + vm);
                        }
                        return;
                    } else {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.info("The guru did not like the answers so stopping " + vm);
                        }
                        StopCommand stopCmd = new StopCommand(vm, getExecuteInSequence(vm.getHypervisorType()), false);
                        stopCmd.setControlIp(getControlNicIpForVM(vm));
                        final StopCommand cmd = stopCmd;
                        final Answer answer = _agentMgr.easySend(destHostId, cmd);
                        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 Map<String, String> vmmetadata = new HashMap<String, String>();
                                    vmmetadata.put(vm.getInstanceName(), platform);
                                    syncVMMetaData(vmmetadata);
                                }
                            }
                        }
                        if (answer == null || !answer.getResult()) {
                            s_logger.warn("Unable to stop " + vm + " due to " + (answer != null ? answer.getDetails() : "no answers"));
                            _haMgr.scheduleStop(vm, destHostId, WorkType.ForceStop);
                            throw new ExecutionException("Unable to stop this VM, " + vm.getUuid() + " so we are unable to retry the start operation");
                        }
                        throw new ExecutionException("Unable to start  VM:" + vm.getUuid() + " due to error in finalizeStart, not retrying");
                    }
                }
                s_logger.info("Unable to start VM on " + dest.getHost() + " due to " + (startAnswer == null ? " no start answer" : startAnswer.getDetails()));
                if (startAnswer != null && startAnswer.getContextParam("stopRetry") != null) {
                    break;
                }
            } catch (OperationTimedoutException e) {
                s_logger.debug("Unable to send the start command to host " + dest.getHost() + " failed to start VM: " + vm.getUuid());
                if (e.isActive()) {
                    _haMgr.scheduleStop(vm, destHostId, WorkType.CheckStop);
                }
                canRetry = false;
                throw new AgentUnavailableException("Unable to start " + vm.getHostName(), destHostId, e);
            } catch (final ResourceUnavailableException e) {
                s_logger.info("Unable to contact resource.", e);
                if (!avoids.add(e)) {
                    if (e.getScope() == Volume.class || e.getScope() == Nic.class) {
                        throw e;
                    } else {
                        s_logger.warn("unexpected ResourceUnavailableException : " + e.getScope().getName(), e);
                        throw e;
                    }
                }
            } catch (final InsufficientCapacityException e) {
                s_logger.info("Insufficient capacity ", e);
                if (!avoids.add(e)) {
                    if (e.getScope() == Volume.class || e.getScope() == Nic.class) {
                        throw e;
                    } else {
                        s_logger.warn("unexpected InsufficientCapacityException : " + e.getScope().getName(), e);
                    }
                }
            } catch (final ExecutionException e) {
                s_logger.error("Failed to start instance " + vm, e);
                throw new AgentUnavailableException("Unable to start instance due to " + e.getMessage(), destHostId, e);
            } catch (final NoTransitionException e) {
                s_logger.error("Failed to start instance " + vm, e);
                throw new AgentUnavailableException("Unable to start instance due to " + e.getMessage(), destHostId, e);
            } finally {
                if (startedVm == null && canRetry) {
                    final Step prevStep = work.getStep();
                    _workDao.updateStep(work, Step.Release);
                    // If previous step was started/ing && we got a valid answer
                    if ((prevStep == Step.Started || prevStep == Step.Starting) && startAnswer != null && startAnswer.getResult()) {
                        //TODO check the response of cleanup and record it in DB for retry
                        cleanup(vmGuru, vmProfile, work, Event.OperationFailed, false);
                    } else {
                        //if step is not starting/started, send cleanup command with force=true
                        cleanup(vmGuru, vmProfile, work, Event.OperationFailed, true);
                    }
                }
            }
        }
    } finally {
        if (startedVm == null) {
            if (canRetry) {
                try {
                    changeState(vm, Event.OperationFailed, null, work, Step.Done);
                } catch (final NoTransitionException e) {
                    throw new ConcurrentOperationException(e.getMessage());
                }
            }
        }
        if (planToDeploy != null) {
            planToDeploy.setAvoids(avoids);
        }
    }
    if (startedVm == null) {
        throw new CloudRuntimeException("Unable to start instance '" + vm.getHostName() + "' (" + vm.getUuid() + "), see management server log for details");
    }
}