Examples with VirtualMachineDiskInfoBuilder com.cloud.hypervisor.vmware.mo.VirtualMachineDiskInfoBuilder used on opensource projects

Example 6 with VirtualMachineDiskInfoBuilder

use of com.cloud.hypervisor.vmware.mo.VirtualMachineDiskInfoBuilder in project cloudstack by apache.

the class VmwareResource method execute.

protected StartAnswer execute(StartCommand cmd) {
    VirtualMachineTO vmSpec = cmd.getVirtualMachine();
    boolean vmAlreadyExistsInVcenter = false;
    String existingVmName = null;
    VirtualMachineFileInfo existingVmFileInfo = null;
    VirtualMachineFileLayoutEx existingVmFileLayout = null;
    List<DatastoreMO> existingDatastores = new ArrayList<DatastoreMO>();
    String diskStoragePolicyId = null;
    String vmStoragePolicyId = null;
    VirtualMachineDefinedProfileSpec diskProfileSpec = null;
    VirtualMachineDefinedProfileSpec vmProfileSpec = null;
    DeployAsIsInfoTO deployAsIsInfo = vmSpec.getDeployAsIsInfo();
    boolean deployAsIs = deployAsIsInfo != null;
    Pair<String, String> names = composeVmNames(vmSpec);
    String vmInternalCSName = names.first();
    String vmNameOnVcenter = names.second();
    DiskTO rootDiskTO = null;
    String bootMode = getBootModeFromVmSpec(vmSpec, deployAsIs);
    Pair<String, String> controllerInfo = getControllerInfoFromVmSpec(vmSpec);
    Boolean systemVm = vmSpec.getType().isUsedBySystem();
    // Thus, vmInternalCSName always holds i-x-y, the cloudstack generated internal VM name.
    VmwareContext context = getServiceContext();
    DatacenterMO dcMo = null;
    try {
        VmwareManager mgr = context.getStockObject(VmwareManager.CONTEXT_STOCK_NAME);
        VmwareHypervisorHost hyperHost = getHyperHost(context);
        dcMo = new DatacenterMO(hyperHost.getContext(), hyperHost.getHyperHostDatacenter());
        // Validate VM name is unique in Datacenter
        VirtualMachineMO vmInVcenter = dcMo.checkIfVmAlreadyExistsInVcenter(vmNameOnVcenter, vmInternalCSName);
        if (vmInVcenter != null) {
            vmAlreadyExistsInVcenter = true;
            String msg = "VM with name: " + vmNameOnVcenter + " already exists in vCenter.";
            s_logger.error(msg);
            throw new Exception(msg);
        }
        DiskTO[] specDisks = vmSpec.getDisks();
        String guestOsId = getGuestOsIdFromVmSpec(vmSpec, deployAsIs);
        DiskTO[] disks = validateDisks(vmSpec.getDisks());
        assert (disks.length > 0);
        NicTO[] nics = vmSpec.getNics();
        HashMap<String, Pair<ManagedObjectReference, DatastoreMO>> dataStoresDetails = inferDatastoreDetailsFromDiskInfo(hyperHost, context, disks, cmd);
        if ((dataStoresDetails == null) || (dataStoresDetails.isEmpty())) {
            String msg = "Unable to locate datastore details of the volumes to be attached";
            s_logger.error(msg);
            throw new Exception(msg);
        }
        VirtualMachineDiskInfoBuilder diskInfoBuilder = null;
        VirtualDevice[] nicDevices = null;
        VirtualMachineMO vmMo = hyperHost.findVmOnHyperHost(vmInternalCSName);
        DiskControllerType systemVmScsiControllerType = DiskControllerType.lsilogic;
        int firstScsiControllerBusNum = 0;
        int numScsiControllerForSystemVm = 1;
        boolean hasSnapshot = false;
        List<Pair<Integer, ManagedObjectReference>> diskDatastores = null;
        if (vmMo != null) {
            s_logger.info("VM " + vmInternalCSName + " already exists, tear down devices for reconfiguration");
            if (getVmPowerState(vmMo) != PowerState.PowerOff)
                vmMo.safePowerOff(_shutdownWaitMs);
            // retrieve disk information before we tear down
            diskDatastores = vmMo.getAllDiskDatastores();
            diskInfoBuilder = vmMo.getDiskInfoBuilder();
            hasSnapshot = vmMo.hasSnapshot();
            nicDevices = vmMo.getNicDevices();
            tearDownVmDevices(vmMo, hasSnapshot, deployAsIs);
            ensureDiskControllersInternal(vmMo, systemVm, controllerInfo, systemVmScsiControllerType, numScsiControllerForSystemVm, firstScsiControllerBusNum, deployAsIs);
        } else {
            ManagedObjectReference morDc = hyperHost.getHyperHostDatacenter();
            assert (morDc != null);
            vmMo = hyperHost.findVmOnPeerHyperHost(vmInternalCSName);
            if (vmMo != null) {
                if (s_logger.isInfoEnabled()) {
                    s_logger.info("Found vm " + vmInternalCSName + " at other host, relocate to " + hyperHost.getHyperHostName());
                }
                takeVmFromOtherHyperHost(hyperHost, vmInternalCSName);
                if (getVmPowerState(vmMo) != PowerState.PowerOff)
                    vmMo.safePowerOff(_shutdownWaitMs);
                diskInfoBuilder = vmMo.getDiskInfoBuilder();
                hasSnapshot = vmMo.hasSnapshot();
                diskDatastores = vmMo.getAllDiskDatastores();
                tearDownVmDevices(vmMo, hasSnapshot, deployAsIs);
                ensureDiskControllersInternal(vmMo, systemVm, controllerInfo, systemVmScsiControllerType, numScsiControllerForSystemVm, firstScsiControllerBusNum, deployAsIs);
            } else {
                // If a VM with the same name is found in a different cluster in the DC, unregister the old VM and configure a new VM (cold-migration).
                VirtualMachineMO existingVmInDc = dcMo.findVm(vmInternalCSName);
                if (existingVmInDc != null) {
                    s_logger.debug("Found VM: " + vmInternalCSName + " on a host in a different cluster. Unregistering the exisitng VM.");
                    existingVmName = existingVmInDc.getName();
                    existingVmFileInfo = existingVmInDc.getFileInfo();
                    existingVmFileLayout = existingVmInDc.getFileLayout();
                    existingDatastores = existingVmInDc.getAllDatastores();
                    existingVmInDc.unregisterVm();
                }
                if (deployAsIs) {
                    vmMo = hyperHost.findVmOnHyperHost(vmInternalCSName);
                    if (vmMo == null) {
                        s_logger.info("Cloned deploy-as-is VM " + vmInternalCSName + " is not in this host, relocating it");
                        vmMo = takeVmFromOtherHyperHost(hyperHost, vmInternalCSName);
                    }
                } else {
                    DiskTO rootDisk = null;
                    for (DiskTO vol : disks) {
                        if (vol.getType() == Volume.Type.ROOT) {
                            rootDisk = vol;
                        }
                    }
                    Pair<ManagedObjectReference, DatastoreMO> rootDiskDataStoreDetails = getDatastoreThatDiskIsOn(dataStoresDetails, rootDisk);
                    assert (vmSpec.getMinSpeed() != null) && (rootDiskDataStoreDetails != null);
                    DatastoreMO dsRootVolumeIsOn = rootDiskDataStoreDetails.second();
                    if (dsRootVolumeIsOn == null) {
                        String msg = "Unable to locate datastore details of root volume";
                        s_logger.error(msg);
                        throw new Exception(msg);
                    }
                    if (rootDisk.getDetails().get(DiskTO.PROTOCOL_TYPE) != null && rootDisk.getDetails().get(DiskTO.PROTOCOL_TYPE).equalsIgnoreCase(Storage.StoragePoolType.DatastoreCluster.toString())) {
                        if (diskInfoBuilder != null) {
                            DatastoreMO diskDatastoreMofromVM = getDataStoreWhereDiskExists(hyperHost, context, diskInfoBuilder, rootDisk, diskDatastores);
                            if (diskDatastoreMofromVM != null) {
                                String actualPoolUuid = diskDatastoreMofromVM.getCustomFieldValue(CustomFieldConstants.CLOUD_UUID);
                                if (!actualPoolUuid.equalsIgnoreCase(rootDisk.getData().getDataStore().getUuid())) {
                                    dsRootVolumeIsOn = diskDatastoreMofromVM;
                                }
                            }
                        }
                    }
                    boolean vmFolderExists = dsRootVolumeIsOn.folderExists(String.format("[%s]", dsRootVolumeIsOn.getName()), vmNameOnVcenter);
                    String vmxFileFullPath = dsRootVolumeIsOn.searchFileInSubFolders(vmNameOnVcenter + ".vmx", false, VmwareManager.s_vmwareSearchExcludeFolder.value());
                    if (vmFolderExists && vmxFileFullPath != null) {
                        // VM can be registered only if .vmx is present.
                        registerVm(vmNameOnVcenter, dsRootVolumeIsOn);
                        vmMo = hyperHost.findVmOnHyperHost(vmInternalCSName);
                        if (vmMo != null) {
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Found registered vm " + vmInternalCSName + " at host " + hyperHost.getHyperHostName());
                            }
                        }
                        tearDownVm(vmMo);
                    } else if (!hyperHost.createBlankVm(vmNameOnVcenter, vmInternalCSName, vmSpec.getCpus(), vmSpec.getMaxSpeed().intValue(), getReservedCpuMHZ(vmSpec), vmSpec.getLimitCpuUse(), (int) (vmSpec.getMaxRam() / ResourceType.bytesToMiB), getReservedMemoryMb(vmSpec), guestOsId, rootDiskDataStoreDetails.first(), false, controllerInfo, systemVm)) {
                        throw new Exception("Failed to create VM. vmName: " + vmInternalCSName);
                    }
                }
            }
            vmMo = hyperHost.findVmOnHyperHost(vmInternalCSName);
            if (vmMo == null) {
                throw new Exception("Failed to find the newly create or relocated VM. vmName: " + vmInternalCSName);
            }
        }
        if (deployAsIs) {
            s_logger.info("Mapping VM disks to spec disks and tearing down datadisks (if any)");
            mapSpecDisksToClonedDisksAndTearDownDatadisks(vmMo, vmInternalCSName, specDisks);
        }
        int disksChanges = getDisksChangesNumberFromDisksSpec(disks, deployAsIs);
        int totalChangeDevices = disksChanges + nics.length;
        if (deployAsIsInfo != null && deployAsIsInfo.getProperties() != null) {
            totalChangeDevices++;
        }
        DiskTO volIso = null;
        if (vmSpec.getType() != VirtualMachine.Type.User) {
            // system VM needs a patch ISO
            totalChangeDevices++;
        } else {
            volIso = getIsoDiskTO(disks);
            if (volIso == null && !deployAsIs) {
                totalChangeDevices++;
            }
        }
        VirtualMachineConfigSpec vmConfigSpec = new VirtualMachineConfigSpec();
        int i = 0;
        int ideUnitNumber = !deployAsIs ? 0 : vmMo.getNextIDEDeviceNumber();
        int scsiUnitNumber = !deployAsIs ? 0 : vmMo.getNextScsiDiskDeviceNumber();
        int ideControllerKey = vmMo.getIDEDeviceControllerKey();
        int scsiControllerKey = vmMo.getScsiDeviceControllerKeyNoException();
        VirtualDeviceConfigSpec[] deviceConfigSpecArray = new VirtualDeviceConfigSpec[totalChangeDevices];
        DiskTO[] sortedDisks = sortVolumesByDeviceId(disks);
        VmwareHelper.setBasicVmConfig(vmConfigSpec, vmSpec.getCpus(), vmSpec.getMaxSpeed(), getReservedCpuMHZ(vmSpec), (int) (vmSpec.getMaxRam() / (1024 * 1024)), getReservedMemoryMb(vmSpec), guestOsId, vmSpec.getLimitCpuUse(), deployAsIs);
        // Check for multi-cores per socket settings
        int numCoresPerSocket = 1;
        String coresPerSocket = vmSpec.getDetails().get(VmDetailConstants.CPU_CORE_PER_SOCKET);
        if (coresPerSocket != null) {
            String apiVersion = HypervisorHostHelper.getVcenterApiVersion(vmMo.getContext());
            // Property 'numCoresPerSocket' is supported since vSphere API 5.0
            if (apiVersion.compareTo("5.0") >= 0) {
                numCoresPerSocket = NumbersUtil.parseInt(coresPerSocket, 1);
                vmConfigSpec.setNumCoresPerSocket(numCoresPerSocket);
            }
        }
        // Check for hotadd settings
        vmConfigSpec.setMemoryHotAddEnabled(vmMo.isMemoryHotAddSupported(guestOsId) && vmSpec.isEnableDynamicallyScaleVm());
        String hostApiVersion = ((HostMO) hyperHost).getHostAboutInfo().getApiVersion();
        if (numCoresPerSocket > 1 && hostApiVersion.compareTo("5.0") < 0) {
            s_logger.warn("Dynamic scaling of CPU is not supported for Virtual Machines with multi-core vCPUs in case of ESXi hosts 4.1 and prior. Hence CpuHotAdd will not be" + " enabled for Virtual Machine: " + vmInternalCSName);
            vmConfigSpec.setCpuHotAddEnabled(false);
        } else {
            vmConfigSpec.setCpuHotAddEnabled(vmMo.isCpuHotAddSupported(guestOsId) && vmSpec.isEnableDynamicallyScaleVm());
        }
        if (!vmMo.isMemoryHotAddSupported(guestOsId) && vmSpec.isEnableDynamicallyScaleVm()) {
            s_logger.warn("hotadd of memory is not supported, dynamic scaling feature can not be applied to vm: " + vmInternalCSName);
        }
        if (!vmMo.isCpuHotAddSupported(guestOsId) && vmSpec.isEnableDynamicallyScaleVm()) {
            s_logger.warn("hotadd of cpu is not supported, dynamic scaling feature can not be applied to vm: " + vmInternalCSName);
        }
        configNestedHVSupport(vmMo, vmSpec, vmConfigSpec);
        // prepare systemvm patch ISO
        if (vmSpec.getType() != VirtualMachine.Type.User) {
            // attach ISO (for patching of system VM)
            Pair<String, Long> secStoreUrlAndId = mgr.getSecondaryStorageStoreUrlAndId(Long.parseLong(_dcId));
            String secStoreUrl = secStoreUrlAndId.first();
            Long secStoreId = secStoreUrlAndId.second();
            if (secStoreUrl == null) {
                String msg = "secondary storage for dc " + _dcId + " is not ready yet?";
                throw new Exception(msg);
            }
            mgr.prepareSecondaryStorageStore(secStoreUrl, secStoreId);
            ManagedObjectReference morSecDs = prepareSecondaryDatastoreOnHost(secStoreUrl);
            if (morSecDs == null) {
                String msg = "Failed to prepare secondary storage on host, secondary store url: " + secStoreUrl;
                throw new Exception(msg);
            }
            DatastoreMO secDsMo = new DatastoreMO(hyperHost.getContext(), morSecDs);
            deviceConfigSpecArray[i] = new VirtualDeviceConfigSpec();
            Pair<VirtualDevice, Boolean> isoInfo = VmwareHelper.prepareIsoDevice(vmMo, String.format("[%s] systemvm/%s", secDsMo.getName(), mgr.getSystemVMIsoFileNameOnDatastore()), secDsMo.getMor(), true, true, ideUnitNumber++, i + 1);
            deviceConfigSpecArray[i].setDevice(isoInfo.first());
            if (isoInfo.second()) {
                if (s_logger.isDebugEnabled())
                    s_logger.debug("Prepare ISO volume at new device " + _gson.toJson(isoInfo.first()));
                deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.ADD);
            } else {
                if (s_logger.isDebugEnabled())
                    s_logger.debug("Prepare ISO volume at existing device " + _gson.toJson(isoInfo.first()));
                deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.EDIT);
            }
            i++;
        } else if (!deployAsIs) {
            // Note: we will always plug a CDROM device
            if (volIso != null) {
                for (DiskTO vol : disks) {
                    if (vol.getType() == Volume.Type.ISO) {
                        configureIso(hyperHost, vmMo, vol, deviceConfigSpecArray, ideUnitNumber++, i);
                        i++;
                    }
                }
            } else {
                deviceConfigSpecArray[i] = new VirtualDeviceConfigSpec();
                Pair<VirtualDevice, Boolean> isoInfo = VmwareHelper.prepareIsoDevice(vmMo, null, null, true, true, ideUnitNumber++, i + 1);
                deviceConfigSpecArray[i].setDevice(isoInfo.first());
                if (isoInfo.second()) {
                    if (s_logger.isDebugEnabled())
                        s_logger.debug("Prepare ISO volume at existing device " + _gson.toJson(isoInfo.first()));
                    deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.ADD);
                } else {
                    if (s_logger.isDebugEnabled())
                        s_logger.debug("Prepare ISO volume at existing device " + _gson.toJson(isoInfo.first()));
                    deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.EDIT);
                }
                i++;
            }
        }
        int controllerKey;
        // 
        if (multipleIsosAtached(sortedDisks) && deployAsIs) {
            sortedDisks = getDisks(sortedDisks);
        }
        for (DiskTO vol : sortedDisks) {
            if (vol.getType() == Volume.Type.ISO) {
                if (deployAsIs) {
                    configureIso(hyperHost, vmMo, vol, deviceConfigSpecArray, ideUnitNumber++, i);
                    i++;
                }
                continue;
            }
            if (deployAsIs && vol.getType() == Volume.Type.ROOT) {
                rootDiskTO = vol;
                resizeRootDiskOnVMStart(vmMo, rootDiskTO, hyperHost, context);
                continue;
            }
            VirtualMachineDiskInfo matchingExistingDisk = getMatchingExistingDisk(diskInfoBuilder, vol, hyperHost, context);
            String diskController = getDiskController(vmMo, matchingExistingDisk, vol, controllerInfo, deployAsIs);
            if (DiskControllerType.getType(diskController) == DiskControllerType.osdefault) {
                diskController = vmMo.getRecommendedDiskController(null);
            }
            if (DiskControllerType.getType(diskController) == DiskControllerType.ide) {
                controllerKey = vmMo.getIDEControllerKey(ideUnitNumber);
                if (vol.getType() == Volume.Type.DATADISK) {
                    // Ensure maximum of 2 data volumes over IDE controller, 3 includeing root volume
                    if (vmMo.getNumberOfVirtualDisks() > 3) {
                        throw new CloudRuntimeException("Found more than 3 virtual disks attached to this VM [" + vmMo.getVmName() + "]. Unable to implement the disks over " + diskController + " controller, as maximum number of devices supported over IDE controller is 4 includeing CDROM device.");
                    }
                }
            } else {
                if (VmwareHelper.isReservedScsiDeviceNumber(scsiUnitNumber)) {
                    scsiUnitNumber++;
                }
                controllerKey = vmMo.getScsiDiskControllerKeyNoException(diskController, scsiUnitNumber);
                if (controllerKey == -1) {
                    // This may happen for ROOT legacy VMs which doesn't have recommended disk controller when global configuration parameter 'vmware.root.disk.controller' is set to "osdefault"
                    // Retrieve existing controller and use.
                    Ternary<Integer, Integer, DiskControllerType> vmScsiControllerInfo = vmMo.getScsiControllerInfo();
                    DiskControllerType existingControllerType = vmScsiControllerInfo.third();
                    controllerKey = vmMo.getScsiDiskControllerKeyNoException(existingControllerType.toString(), scsiUnitNumber);
                }
            }
            if (!hasSnapshot) {
                deviceConfigSpecArray[i] = new VirtualDeviceConfigSpec();
                VolumeObjectTO volumeTO = (VolumeObjectTO) vol.getData();
                DataStoreTO primaryStore = volumeTO.getDataStore();
                Map<String, String> details = vol.getDetails();
                boolean managed = false;
                String iScsiName = null;
                if (details != null) {
                    managed = Boolean.parseBoolean(details.get(DiskTO.MANAGED));
                    iScsiName = details.get(DiskTO.IQN);
                }
                String primaryStoreUuid = primaryStore.getUuid();
                // if the storage is managed, iScsiName should not be null
                String datastoreName = managed ? VmwareResource.getDatastoreName(iScsiName) : primaryStoreUuid;
                Pair<ManagedObjectReference, DatastoreMO> volumeDsDetails = dataStoresDetails.get(datastoreName);
                assert (volumeDsDetails != null);
                if (volumeDsDetails == null) {
                    throw new Exception("Primary datastore " + primaryStore.getUuid() + " is not mounted on host.");
                }
                if (vol.getDetails().get(DiskTO.PROTOCOL_TYPE) != null && vol.getDetails().get(DiskTO.PROTOCOL_TYPE).equalsIgnoreCase("DatastoreCluster")) {
                    if (diskInfoBuilder != null && matchingExistingDisk != null) {
                        String[] diskChain = matchingExistingDisk.getDiskChain();
                        if (diskChain != null && diskChain.length > 0) {
                            DatastoreFile file = new DatastoreFile(diskChain[0]);
                            if (!file.getFileBaseName().equalsIgnoreCase(volumeTO.getPath())) {
                                if (s_logger.isInfoEnabled())
                                    s_logger.info("Detected disk-chain top file change on volume: " + volumeTO.getId() + " " + volumeTO.getPath() + " -> " + file.getFileBaseName());
                                volumeTO.setPath(file.getFileBaseName());
                            }
                        }
                        DatastoreMO diskDatastoreMofromVM = getDataStoreWhereDiskExists(hyperHost, context, diskInfoBuilder, vol, diskDatastores);
                        if (diskDatastoreMofromVM != null) {
                            String actualPoolUuid = diskDatastoreMofromVM.getCustomFieldValue(CustomFieldConstants.CLOUD_UUID);
                            if (actualPoolUuid != null && !actualPoolUuid.equalsIgnoreCase(primaryStore.getUuid())) {
                                volumeDsDetails = new Pair<>(diskDatastoreMofromVM.getMor(), diskDatastoreMofromVM);
                                if (s_logger.isInfoEnabled())
                                    s_logger.info("Detected datastore uuid change on volume: " + volumeTO.getId() + " " + primaryStore.getUuid() + " -> " + actualPoolUuid);
                                ((PrimaryDataStoreTO) primaryStore).setUuid(actualPoolUuid);
                            }
                        }
                    }
                }
                String[] diskChain = syncDiskChain(dcMo, vmMo, vol, matchingExistingDisk, volumeDsDetails.second());
                int deviceNumber = -1;
                if (controllerKey == vmMo.getIDEControllerKey(ideUnitNumber)) {
                    deviceNumber = ideUnitNumber % VmwareHelper.MAX_ALLOWED_DEVICES_IDE_CONTROLLER;
                    ideUnitNumber++;
                } else {
                    deviceNumber = scsiUnitNumber % VmwareHelper.MAX_ALLOWED_DEVICES_SCSI_CONTROLLER;
                    scsiUnitNumber++;
                }
                VirtualDevice device = VmwareHelper.prepareDiskDevice(vmMo, null, controllerKey, diskChain, volumeDsDetails.first(), deviceNumber, i + 1);
                diskStoragePolicyId = volumeTO.getvSphereStoragePolicyId();
                if (StringUtils.isNotEmpty(diskStoragePolicyId)) {
                    PbmProfileManagerMO profMgrMo = new PbmProfileManagerMO(context);
                    diskProfileSpec = profMgrMo.getProfileSpec(diskStoragePolicyId);
                    deviceConfigSpecArray[i].getProfile().add(diskProfileSpec);
                    if (s_logger.isDebugEnabled()) {
                        s_logger.debug(String.format("Adding vSphere storage profile: %s to virtual disk [%s]", diskStoragePolicyId, _gson.toJson(device)));
                    }
                }
                if (vol.getType() == Volume.Type.ROOT) {
                    rootDiskTO = vol;
                    vmStoragePolicyId = diskStoragePolicyId;
                    vmProfileSpec = diskProfileSpec;
                }
                deviceConfigSpecArray[i].setDevice(device);
                deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.ADD);
                if (s_logger.isDebugEnabled())
                    s_logger.debug("Prepare volume at new device " + _gson.toJson(device));
                i++;
            } else {
                if (controllerKey == vmMo.getIDEControllerKey(ideUnitNumber))
                    ideUnitNumber++;
                else
                    scsiUnitNumber++;
            }
        }
        // 
        if (StringUtils.isNotBlank(guestOsId) && guestOsId.startsWith("darwin")) {
            // Mac OS
            VirtualDevice[] devices = vmMo.getMatchedDevices(new Class<?>[] { VirtualUSBController.class });
            if (devices.length == 0) {
                s_logger.debug("No USB Controller device on VM Start. Add USB Controller device for Mac OS VM " + vmInternalCSName);
                // For Mac OS X systems, the EHCI+UHCI controller is enabled by default and is required for USB mouse and keyboard access.
                VirtualDevice usbControllerDevice = VmwareHelper.prepareUSBControllerDevice();
                deviceConfigSpecArray[i] = new VirtualDeviceConfigSpec();
                deviceConfigSpecArray[i].setDevice(usbControllerDevice);
                deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.ADD);
                if (s_logger.isDebugEnabled())
                    s_logger.debug("Prepare USB controller at new device " + _gson.toJson(deviceConfigSpecArray[i]));
                i++;
            } else {
                s_logger.debug("USB Controller device exists on VM Start for Mac OS VM " + vmInternalCSName);
            }
        }
        // 
        // Setup NIC devices
        // 
        VirtualDevice nic;
        int nicMask = 0;
        int nicCount = 0;
        VirtualEthernetCardType nicDeviceType;
        NiciraNvpApiVersion.logNiciraApiVersion();
        Map<String, String> nicUuidToDvSwitchUuid = new HashMap<String, String>();
        for (NicTO nicTo : sortNicsByDeviceId(nics)) {
            s_logger.info("Prepare NIC device based on NicTO: " + _gson.toJson(nicTo));
            String adapterTypeStr = deployAsIs ? mapAdapterType(deployAsIsInfo.getNicAdapterMap().get(nicTo.getDeviceId())) : vmSpec.getDetails().get(VmDetailConstants.NIC_ADAPTER);
            nicDeviceType = VirtualEthernetCardType.valueOf(adapterTypeStr);
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("VM " + vmInternalCSName + " will be started with NIC device type: " + nicDeviceType + " on NIC device " + nicTo.getDeviceId());
            }
            boolean configureVServiceInNexus = (nicTo.getType() == TrafficType.Guest) && (vmSpec.getDetails().containsKey("ConfigureVServiceInNexus"));
            VirtualMachine.Type vmType = cmd.getVirtualMachine().getType();
            Pair<ManagedObjectReference, String> networkInfo = prepareNetworkFromNicInfo(vmMo.getRunningHost(), nicTo, configureVServiceInNexus, vmType);
            if ((nicTo.getBroadcastType() != BroadcastDomainType.Lswitch) || (nicTo.getBroadcastType() == BroadcastDomainType.Lswitch && NiciraNvpApiVersion.isApiVersionLowerThan("4.2"))) {
                if (VmwareHelper.isDvPortGroup(networkInfo.first())) {
                    String dvSwitchUuid;
                    ManagedObjectReference dcMor = hyperHost.getHyperHostDatacenter();
                    DatacenterMO dataCenterMo = new DatacenterMO(context, dcMor);
                    ManagedObjectReference dvsMor = dataCenterMo.getDvSwitchMor(networkInfo.first());
                    dvSwitchUuid = dataCenterMo.getDvSwitchUuid(dvsMor);
                    s_logger.info("Preparing NIC device on dvSwitch : " + dvSwitchUuid);
                    nic = VmwareHelper.prepareDvNicDevice(vmMo, networkInfo.first(), nicDeviceType, networkInfo.second(), dvSwitchUuid, nicTo.getMac(), i + 1, true, true);
                    if (nicTo.getUuid() != null) {
                        nicUuidToDvSwitchUuid.put(nicTo.getUuid(), dvSwitchUuid);
                    }
                } else {
                    s_logger.info("Preparing NIC device on network " + networkInfo.second());
                    nic = VmwareHelper.prepareNicDevice(vmMo, networkInfo.first(), nicDeviceType, networkInfo.second(), nicTo.getMac(), i + 1, true, true);
                }
            } else {
                // if NSX API VERSION >= 4.2, connect to br-int (nsx.network), do not create portgroup else previous behaviour
                nic = VmwareHelper.prepareNicOpaque(vmMo, nicDeviceType, networkInfo.second(), nicTo.getMac(), i + 1, true, true);
            }
            deviceConfigSpecArray[i] = new VirtualDeviceConfigSpec();
            deviceConfigSpecArray[i].setDevice(nic);
            deviceConfigSpecArray[i].setOperation(VirtualDeviceConfigSpecOperation.ADD);
            if (s_logger.isDebugEnabled())
                s_logger.debug("Prepare NIC at new device " + _gson.toJson(deviceConfigSpecArray[i]));
            // this is really a hacking for DomR, upon DomR startup, we will reset all the NIC allocation after eth3
            if (nicCount < 3)
                nicMask |= (1 << nicCount);
            i++;
            nicCount++;
        }
        for (int j = 0; j < i; j++) vmConfigSpec.getDeviceChange().add(deviceConfigSpecArray[j]);
        // 
        // Setup VM options
        // 
        // pass boot arguments through machine.id & perform customized options to VMX
        ArrayList<OptionValue> extraOptions = new ArrayList<OptionValue>();
        configBasicExtraOption(extraOptions, vmSpec);
        if (deployAsIs) {
            setDeployAsIsProperties(vmMo, deployAsIsInfo, vmConfigSpec, hyperHost);
        }
        configNvpExtraOption(extraOptions, vmSpec, nicUuidToDvSwitchUuid);
        configCustomExtraOption(extraOptions, vmSpec);
        // config for NCC
        VirtualMachine.Type vmType = cmd.getVirtualMachine().getType();
        if (vmType.equals(VirtualMachine.Type.NetScalerVm)) {
            NicTO mgmtNic = vmSpec.getNics()[0];
            OptionValue option = new OptionValue();
            option.setKey("machine.id");
            option.setValue("ip=" + mgmtNic.getIp() + "&netmask=" + mgmtNic.getNetmask() + "&gateway=" + mgmtNic.getGateway());
            extraOptions.add(option);
        }
        configureVNC(vmSpec, extraOptions, vmConfigSpec, hyperHost, vmInternalCSName);
        // config video card
        configureVideoCard(vmMo, vmSpec, vmConfigSpec);
        setBootOptions(vmSpec, bootMode, vmConfigSpec);
        if (StringUtils.isNotEmpty(vmStoragePolicyId)) {
            vmConfigSpec.getVmProfile().add(vmProfileSpec);
            if (s_logger.isTraceEnabled()) {
                s_logger.trace(String.format("Configuring the VM %s with storage policy: %s", vmInternalCSName, vmStoragePolicyId));
            }
        }
        // 
        if (!vmMo.configureVm(vmConfigSpec)) {
            throw new Exception("Failed to configure VM before start. vmName: " + vmInternalCSName);
        }
        if (vmSpec.getType() == VirtualMachine.Type.DomainRouter) {
            hyperHost.setRestartPriorityForVM(vmMo, DasVmPriority.HIGH.value());
        }
        // Resizing root disk only when explicit requested by user
        final Map<String, String> vmDetails = cmd.getVirtualMachine().getDetails();
        if (!deployAsIs && rootDiskTO != null && !hasSnapshot && (vmDetails != null && vmDetails.containsKey(ApiConstants.ROOT_DISK_SIZE))) {
            resizeRootDiskOnVMStart(vmMo, rootDiskTO, hyperHost, context);
        }
        // 
        // Post Configuration
        // 
        vmMo.setCustomFieldValue(CustomFieldConstants.CLOUD_NIC_MASK, String.valueOf(nicMask));
        postNvpConfigBeforeStart(vmMo, vmSpec);
        Map<String, Map<String, String>> iqnToData = new HashMap<>();
        postDiskConfigBeforeStart(vmMo, vmSpec, sortedDisks, ideControllerKey, scsiControllerKey, iqnToData, hyperHost, context);
        // 
        if (!vmMo.powerOn()) {
            throw new Exception("Failed to start VM. vmName: " + vmInternalCSName + " with hostname " + vmNameOnVcenter);
        }
        StartAnswer startAnswer = new StartAnswer(cmd);
        startAnswer.setIqnToData(iqnToData);
        // Since VM was successfully powered-on, if there was an existing VM in a different cluster that was unregistered, delete all the files associated with it.
        if (existingVmName != null && existingVmFileLayout != null) {
            List<String> vmDatastoreNames = new ArrayList<String>();
            for (DatastoreMO vmDatastore : vmMo.getAllDatastores()) {
                vmDatastoreNames.add(vmDatastore.getName());
            }
            // Don't delete files that are in a datastore that is being used by the new VM as well (zone-wide datastore).
            List<String> skipDatastores = new ArrayList<String>();
            for (DatastoreMO existingDatastore : existingDatastores) {
                if (vmDatastoreNames.contains(existingDatastore.getName())) {
                    skipDatastores.add(existingDatastore.getName());
                }
            }
            deleteUnregisteredVmFiles(existingVmFileLayout, dcMo, true, skipDatastores);
        }
        return startAnswer;
    } catch (Throwable e) {
        StartAnswer startAnswer = new StartAnswer(cmd, createLogMessageException(e, cmd));
        if (vmAlreadyExistsInVcenter) {
            startAnswer.setContextParam("stopRetry", "true");
        }
        if (existingVmName != null && existingVmFileInfo != null) {
            s_logger.debug(String.format("Since VM start failed, registering back an existing VM: [%s] that was unregistered.", existingVmName));
            try {
                DatastoreFile fileInDatastore = new DatastoreFile(existingVmFileInfo.getVmPathName());
                DatastoreMO existingVmDsMo = new DatastoreMO(dcMo.getContext(), dcMo.findDatastore(fileInDatastore.getDatastoreName()));
                registerVm(existingVmName, existingVmDsMo);
            } catch (Exception ex) {
                String message = String.format("Failed to register an existing VM: [%s] due to [%s].", existingVmName, VmwareHelper.getExceptionMessage(ex));
                s_logger.error(message, ex);
            }
        }
        return startAnswer;
    }
}

Example 7 with VirtualMachineDiskInfoBuilder

use of com.cloud.hypervisor.vmware.mo.VirtualMachineDiskInfoBuilder in project cloudstack by apache.

the class VmwareResource method execute.

// OfflineVmwareMigration: refactor to be able to handle a detached volume
private Answer execute(MigrateVolumeCommand cmd) {
    String volumePath = cmd.getVolumePath();
    String chainInfo = cmd.getChainInfo();
    StorageFilerTO poolTo = cmd.getPool();
    VolumeObjectTO volumeObjectTO = (VolumeObjectTO) cmd.getSrcData();
    String vmName = cmd.getAttachedVmName();
    VirtualMachineMO vmMo = null;
    VmwareHypervisorHost srcHyperHost = null;
    // OfflineVmwareMigration: ifhost is null ???
    if (StringUtils.isBlank(cmd.getAttachedVmName())) {
        return migrateVolume(cmd);
    }
    ManagedObjectReference morDs = null;
    ManagedObjectReference morDc = null;
    VirtualMachineRelocateSpec relocateSpec = new VirtualMachineRelocateSpec();
    List<VirtualMachineRelocateSpecDiskLocator> diskLocators = new ArrayList<VirtualMachineRelocateSpecDiskLocator>();
    VirtualMachineRelocateSpecDiskLocator diskLocator = null;
    String tgtDsName = "";
    try {
        srcHyperHost = getHyperHost(getServiceContext());
        morDc = srcHyperHost.getHyperHostDatacenter();
        tgtDsName = poolTo.getUuid();
        // find VM in this datacenter not just in this cluster.
        DatacenterMO dcMo = new DatacenterMO(getServiceContext(), morDc);
        vmMo = dcMo.findVm(vmName);
        if (vmMo == null) {
            String msg = "VM " + vmName + " does not exist in VMware datacenter " + morDc.getValue();
            s_logger.error(msg);
            throw new CloudRuntimeException(msg);
        }
        vmName = vmMo.getName();
        morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(srcHyperHost, tgtDsName);
        if (morDs == null) {
            String msg = "Unable to find the mounted datastore with name: " + tgtDsName + " on source host: " + srcHyperHost.getHyperHostName() + " to execute MigrateVolumeCommand";
            s_logger.error(msg);
            throw new Exception(msg);
        }
        DatastoreMO targetDsMo = new DatastoreMO(srcHyperHost.getContext(), morDs);
        if (cmd.getContextParam(DiskTO.PROTOCOL_TYPE) != null && cmd.getContextParam(DiskTO.PROTOCOL_TYPE).equalsIgnoreCase("DatastoreCluster")) {
            VmwareContext context = getServiceContext();
            VmwareHypervisorHost hyperHost = getHyperHost(context);
            VirtualMachineDiskInfoBuilder diskInfoBuilder = vmMo.getDiskInfoBuilder();
            VirtualMachineDiskInfo matchingExistingDisk = getMatchingExistingDiskWithVolumeDetails(diskInfoBuilder, volumePath, chainInfo, false, null, poolTo.getUuid(), hyperHost, context);
            if (diskInfoBuilder != null && matchingExistingDisk != null) {
                String[] diskChain = matchingExistingDisk.getDiskChain();
                DatastoreFile file = new DatastoreFile(diskChain[0]);
                if (!file.getFileBaseName().equalsIgnoreCase(volumePath)) {
                    if (s_logger.isInfoEnabled())
                        s_logger.info("Detected disk-chain top file change on volume: " + volumePath + " -> " + file.getFileBaseName());
                    volumePath = file.getFileBaseName();
                }
            }
        }
        String fullVolumePath = VmwareStorageLayoutHelper.getVmwareDatastorePathFromVmdkFileName(targetDsMo, vmName, volumePath + VMDK_EXTENSION);
        Pair<VirtualDisk, String> diskInfo = getVirtualDiskInfo(vmMo, appendFileType(volumePath, VMDK_EXTENSION));
        String vmdkAbsFile = getAbsoluteVmdkFile(diskInfo.first());
        if (vmdkAbsFile != null && !vmdkAbsFile.isEmpty()) {
            vmMo.updateAdapterTypeIfRequired(vmdkAbsFile);
        }
        int diskId = diskInfo.first().getKey();
        diskLocator = new VirtualMachineRelocateSpecDiskLocator();
        diskLocator.setDatastore(morDs);
        diskLocator.setDiskId(diskId);
        diskLocators.add(diskLocator);
        if (cmd.getVolumeType() == Volume.Type.ROOT) {
            relocateSpec.setDatastore(morDs);
            // If a target datastore is provided for the VM, then by default all volumes associated with the VM will be migrated to that target datastore.
            // Hence set the existing datastore as target datastore for volumes that are not to be migrated.
            List<Pair<Integer, ManagedObjectReference>> diskDatastores = vmMo.getAllDiskDatastores();
            for (Pair<Integer, ManagedObjectReference> diskDatastore : diskDatastores) {
                if (diskDatastore.first().intValue() != diskId) {
                    diskLocator = new VirtualMachineRelocateSpecDiskLocator();
                    diskLocator.setDiskId(diskDatastore.first().intValue());
                    diskLocator.setDatastore(diskDatastore.second());
                    diskLocators.add(diskLocator);
                }
            }
        }
        relocateSpec.getDisk().addAll(diskLocators);
        // Change datastore
        if (!vmMo.changeDatastore(relocateSpec)) {
            throw new Exception("Change datastore operation failed during volume migration");
        } else {
            s_logger.debug("Successfully migrated volume " + volumePath + " to target datastore " + tgtDsName);
        }
        // further volume operations on the ROOT volume such as volume snapshot etc. will result in DB inconsistencies.
        if (!vmMo.consolidateVmDisks()) {
            s_logger.warn("VM disk consolidation failed after storage migration.");
        } else {
            s_logger.debug("Successfully consolidated disks of VM " + vmName + ".");
        }
        // Update and return volume path and chain info because that could have changed after migration
        if (!targetDsMo.fileExists(fullVolumePath)) {
            VirtualDisk[] disks = vmMo.getAllDiskDevice();
            for (VirtualDisk disk : disks) if (disk.getKey() == diskId) {
                volumePath = vmMo.getVmdkFileBaseName(disk);
            }
        }
        VirtualMachineDiskInfoBuilder diskInfoBuilder = vmMo.getDiskInfoBuilder();
        chainInfo = _gson.toJson(diskInfoBuilder.getDiskInfoByBackingFileBaseName(volumePath, targetDsMo.getName()));
        MigrateVolumeAnswer answer = new MigrateVolumeAnswer(cmd, true, null, volumePath);
        answer.setVolumeChainInfo(chainInfo);
        return answer;
    } catch (Exception e) {
        String msg = "Catch Exception " + e.getClass().getName() + " due to " + e.toString();
        s_logger.error(msg, e);
        return new MigrateVolumeAnswer(cmd, false, msg, null);
    }
}

Example 8 with VirtualMachineDiskInfoBuilder

use of com.cloud.hypervisor.vmware.mo.VirtualMachineDiskInfoBuilder in project cloudstack by apache.

the class VmwareResource method postDiskConfigBeforeStart.

private void postDiskConfigBeforeStart(VirtualMachineMO vmMo, VirtualMachineTO vmSpec, DiskTO[] sortedDisks, int ideControllerKey, int scsiControllerKey, Map<String, Map<String, String>> iqnToData, VmwareHypervisorHost hyperHost, VmwareContext context) throws Exception {
    VirtualMachineDiskInfoBuilder diskInfoBuilder = vmMo.getDiskInfoBuilder();
    for (DiskTO vol : sortedDisks) {
        if (vol.getType() == Volume.Type.ISO)
            continue;
        VolumeObjectTO volumeTO = (VolumeObjectTO) vol.getData();
        VirtualMachineDiskInfo diskInfo = getMatchingExistingDisk(diskInfoBuilder, vol, hyperHost, context);
        assert (diskInfo != null);
        String[] diskChain = diskInfo.getDiskChain();
        assert (diskChain.length > 0);
        Map<String, String> details = vol.getDetails();
        boolean managed = false;
        if (details != null) {
            managed = Boolean.parseBoolean(details.get(DiskTO.MANAGED));
        }
        DatastoreFile file = new DatastoreFile(diskChain[0]);
        if (managed) {
            DatastoreFile originalFile = new DatastoreFile(volumeTO.getPath());
            if (!file.getFileBaseName().equalsIgnoreCase(originalFile.getFileBaseName())) {
                if (s_logger.isInfoEnabled())
                    s_logger.info("Detected disk-chain top file change on volume: " + volumeTO.getId() + " " + volumeTO.getPath() + " -> " + diskChain[0]);
            }
        } else {
            if (!file.getFileBaseName().equalsIgnoreCase(volumeTO.getPath())) {
                if (s_logger.isInfoEnabled())
                    s_logger.info("Detected disk-chain top file change on volume: " + volumeTO.getId() + " " + volumeTO.getPath() + " -> " + file.getFileBaseName());
            }
        }
        VolumeObjectTO volInSpec = getVolumeInSpec(vmSpec, volumeTO);
        if (volInSpec != null) {
            if (managed) {
                Map<String, String> data = new HashMap<>();
                String datastoreVolumePath = diskChain[0];
                data.put(StartAnswer.PATH, datastoreVolumePath);
                data.put(StartAnswer.IMAGE_FORMAT, Storage.ImageFormat.OVA.toString());
                iqnToData.put(details.get(DiskTO.IQN), data);
                vol.setPath(datastoreVolumePath);
                volumeTO.setPath(datastoreVolumePath);
                volInSpec.setPath(datastoreVolumePath);
            } else {
                volInSpec.setPath(file.getFileBaseName());
                if (vol.getDetails().get(DiskTO.PROTOCOL_TYPE) != null && vol.getDetails().get(DiskTO.PROTOCOL_TYPE).equalsIgnoreCase("DatastoreCluster")) {
                    volInSpec.setUpdatedDataStoreUUID(volumeTO.getDataStore().getUuid());
                }
            }
            volInSpec.setChainInfo(_gson.toJson(diskInfo));
        }
    }
}

Example 9 with VirtualMachineDiskInfoBuilder

use of com.cloud.hypervisor.vmware.mo.VirtualMachineDiskInfoBuilder in project cloudstack by apache.

the class VmwareResource method getNewPoolUUIDAndChainInfoInDatastoreCluster.

private Pair<String, String> getNewPoolUUIDAndChainInfoInDatastoreCluster(VirtualMachineMO vmMo, String path, String chainInfo, boolean managed, String iscsiName, String poolUUID, String poolType) throws Exception {
    VmwareContext context = getServiceContext();
    VmwareHypervisorHost hyperHost = getHyperHost(context);
    if (poolType != null && poolType.equalsIgnoreCase(Storage.StoragePoolType.DatastoreCluster.toString())) {
        VirtualMachineDiskInfoBuilder diskInfoBuilder = vmMo.getDiskInfoBuilder();
        VirtualMachineDiskInfo matchingExistingDisk = getMatchingExistingDiskWithVolumeDetails(diskInfoBuilder, path, chainInfo, managed, iscsiName, poolUUID, hyperHost, context);
        if (diskInfoBuilder != null && matchingExistingDisk != null) {
            String[] diskChain = matchingExistingDisk.getDiskChain();
            DatastoreFile file = new DatastoreFile(diskChain[0]);
            DatacenterMO dcMo = new DatacenterMO(hyperHost.getContext(), hyperHost.getHyperHostDatacenter());
            DatastoreMO diskDatastoreMofromVM = new DatastoreMO(context, dcMo.findDatastore(file.getDatastoreName()));
            if (diskDatastoreMofromVM != null) {
                String actualPoolUuid = diskDatastoreMofromVM.getCustomFieldValue(CustomFieldConstants.CLOUD_UUID);
                if (!actualPoolUuid.equalsIgnoreCase(poolUUID)) {
                    s_logger.warn(String.format("Volume %s found to be in a different storage pool %s", path, actualPoolUuid));
                    poolUUID = actualPoolUuid;
                    chainInfo = _gson.toJson(matchingExistingDisk);
                    return new Pair<>(poolUUID, chainInfo);
                }
            }
        }
    }
    return null;
}

Example 10 with VirtualMachineDiskInfoBuilder

use of com.cloud.hypervisor.vmware.mo.VirtualMachineDiskInfoBuilder in project cloudstack by apache.

the class VmwareStorageProcessor method attachVolume.

private Answer attachVolume(Command cmd, DiskTO disk, boolean isAttach, boolean isManaged, String vmName, String iScsiName, String storageHost, int storagePort, Map<String, String> controllerInfo) {
    VolumeObjectTO volumeTO = (VolumeObjectTO) disk.getData();
    DataStoreTO primaryStore = volumeTO.getDataStore();
    String volumePath = volumeTO.getPath();
    String storagePolicyId = volumeTO.getvSphereStoragePolicyId();
    String vmdkPath = isManaged ? resource.getVmdkPath(volumePath) : null;
    try {
        VmwareContext context = hostService.getServiceContext(null);
        VmwareHypervisorHost hyperHost = hostService.getHyperHost(context, null);
        VirtualMachineMO vmMo = hyperHost.findVmOnHyperHost(vmName);
        if (vmMo == null) {
            vmMo = hyperHost.findVmOnPeerHyperHost(vmName);
            if (vmMo == null) {
                String msg = "Unable to find the VM to execute AttachCommand, vmName: " + vmName;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        }
        vmName = vmMo.getName();
        ManagedObjectReference morDs;
        String diskUuid = volumeTO.getUuid().replace("-", "");
        if (isAttach && isManaged) {
            Map<String, String> details = disk.getDetails();
            morDs = prepareManagedStorage(context, hyperHost, diskUuid, iScsiName, storageHost, storagePort, vmdkPath, details.get(DiskTO.CHAP_INITIATOR_USERNAME), details.get(DiskTO.CHAP_INITIATOR_SECRET), details.get(DiskTO.CHAP_TARGET_USERNAME), details.get(DiskTO.CHAP_TARGET_SECRET), volumeTO.getSize(), cmd);
        } else {
            if (storagePort == DEFAULT_NFS_PORT) {
                morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, isManaged ? VmwareResource.getDatastoreName(diskUuid) : primaryStore.getUuid());
            } else {
                morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, isManaged ? VmwareResource.getDatastoreName(iScsiName) : primaryStore.getUuid());
            }
        }
        if (morDs == null) {
            String msg = "Unable to find the mounted datastore to execute AttachCommand, vmName: " + vmName;
            s_logger.error(msg);
            throw new Exception(msg);
        }
        DatastoreMO dsMo = new DatastoreMO(context, morDs);
        String datastoreVolumePath;
        boolean datastoreChangeObserved = false;
        boolean volumePathChangeObserved = false;
        String chainInfo = null;
        if (isAttach) {
            if (isManaged) {
                datastoreVolumePath = dsMo.getDatastorePath((vmdkPath != null ? vmdkPath : dsMo.getName()) + ".vmdk");
            } else {
                if (dsMo.getDatastoreType().equalsIgnoreCase("VVOL")) {
                    datastoreVolumePath = VmwareStorageLayoutHelper.getLegacyDatastorePathFromVmdkFileName(dsMo, volumePath + ".vmdk");
                    if (!dsMo.fileExists(datastoreVolumePath)) {
                        datastoreVolumePath = VmwareStorageLayoutHelper.getVmwareDatastorePathFromVmdkFileName(dsMo, vmName, volumePath + ".vmdk");
                    }
                    if (!dsMo.folderExists(String.format("[%s]", dsMo.getName()), vmName) || !dsMo.fileExists(datastoreVolumePath)) {
                        datastoreVolumePath = VmwareStorageLayoutHelper.getVmwareDatastorePathFromVmdkFileName(dsMo, volumePath, volumePath + ".vmdk");
                    }
                    if (!dsMo.folderExists(String.format("[%s]", dsMo.getName()), volumePath) || !dsMo.fileExists(datastoreVolumePath)) {
                        datastoreVolumePath = dsMo.searchFileInSubFolders(volumePath + ".vmdk", true, null);
                    }
                } else {
                    datastoreVolumePath = VmwareStorageLayoutHelper.syncVolumeToVmDefaultFolder(dsMo.getOwnerDatacenter().first(), vmName, dsMo, volumePath, VmwareManager.s_vmwareSearchExcludeFolder.value());
                }
            }
        } else {
            if (isManaged) {
                datastoreVolumePath = dsMo.getDatastorePath((vmdkPath != null ? vmdkPath : dsMo.getName()) + ".vmdk");
            } else {
                String datastoreUUID = primaryStore.getUuid();
                if (disk.getDetails().get(DiskTO.PROTOCOL_TYPE) != null && disk.getDetails().get(DiskTO.PROTOCOL_TYPE).equalsIgnoreCase("DatastoreCluster")) {
                    VirtualMachineDiskInfo matchingExistingDisk = getMatchingExistingDisk(hyperHost, context, vmMo, disk);
                    VirtualMachineDiskInfoBuilder diskInfoBuilder = vmMo.getDiskInfoBuilder();
                    if (diskInfoBuilder != null && matchingExistingDisk != null) {
                        String[] diskChain = matchingExistingDisk.getDiskChain();
                        assert (diskChain.length > 0);
                        DatastoreFile file = new DatastoreFile(diskChain[0]);
                        if (!file.getFileBaseName().equalsIgnoreCase(volumePath)) {
                            if (s_logger.isInfoEnabled())
                                s_logger.info("Detected disk-chain top file change on volume: " + volumeTO.getId() + " " + volumePath + " -> " + file.getFileBaseName());
                            volumePathChangeObserved = true;
                            volumePath = file.getFileBaseName();
                            volumeTO.setPath(volumePath);
                            chainInfo = _gson.toJson(matchingExistingDisk);
                        }
                        DatastoreMO diskDatastoreMofromVM = getDiskDatastoreMofromVM(hyperHost, context, vmMo, disk, diskInfoBuilder);
                        if (diskDatastoreMofromVM != null) {
                            String actualPoolUuid = diskDatastoreMofromVM.getCustomFieldValue(CustomFieldConstants.CLOUD_UUID);
                            if (!actualPoolUuid.equalsIgnoreCase(primaryStore.getUuid())) {
                                s_logger.warn(String.format("Volume %s found to be in a different storage pool %s", volumePath, actualPoolUuid));
                                datastoreChangeObserved = true;
                                datastoreUUID = actualPoolUuid;
                                chainInfo = _gson.toJson(matchingExistingDisk);
                            }
                        }
                    }
                }
                if (storagePort == DEFAULT_NFS_PORT) {
                    morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, isManaged ? VmwareResource.getDatastoreName(diskUuid) : datastoreUUID);
                } else {
                    morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, isManaged ? VmwareResource.getDatastoreName(iScsiName) : datastoreUUID);
                }
                dsMo = new DatastoreMO(context, morDs);
                datastoreVolumePath = VmwareStorageLayoutHelper.getLegacyDatastorePathFromVmdkFileName(dsMo, volumePath + ".vmdk");
                if (!dsMo.fileExists(datastoreVolumePath)) {
                    datastoreVolumePath = VmwareStorageLayoutHelper.getVmwareDatastorePathFromVmdkFileName(dsMo, vmName, volumePath + ".vmdk");
                }
                if (!dsMo.folderExists(String.format("[%s]", dsMo.getName()), vmName) || !dsMo.fileExists(datastoreVolumePath)) {
                    datastoreVolumePath = VmwareStorageLayoutHelper.getVmwareDatastorePathFromVmdkFileName(dsMo, volumePath, volumePath + ".vmdk");
                }
                if (!dsMo.folderExists(String.format("[%s]", dsMo.getName()), volumePath) || !dsMo.fileExists(datastoreVolumePath)) {
                    datastoreVolumePath = dsMo.searchFileInSubFolders(volumePath + ".vmdk", true, null);
                }
            }
        }
        disk.setPath(datastoreVolumePath);
        AttachAnswer answer = new AttachAnswer(disk);
        if (isAttach) {
            String diskController = getLegacyVmDataDiskController();
            if (controllerInfo != null && StringUtils.isNotEmpty(controllerInfo.get(VmDetailConstants.DATA_DISK_CONTROLLER))) {
                diskController = controllerInfo.get(VmDetailConstants.DATA_DISK_CONTROLLER);
            }
            if (DiskControllerType.getType(diskController) == DiskControllerType.osdefault) {
                diskController = vmMo.getRecommendedDiskController(null);
            }
            vmMo.attachDisk(new String[] { datastoreVolumePath }, morDs, diskController, storagePolicyId);
            VirtualMachineDiskInfoBuilder diskInfoBuilder = vmMo.getDiskInfoBuilder();
            VirtualMachineDiskInfo diskInfo = diskInfoBuilder.getDiskInfoByBackingFileBaseName(volumePath, dsMo.getName());
            chainInfo = _gson.toJson(diskInfo);
            if (isManaged) {
                expandVirtualDisk(vmMo, datastoreVolumePath, volumeTO.getSize());
            }
        } else {
            vmMo.removeAllSnapshots();
            vmMo.detachDisk(datastoreVolumePath, false);
            if (isManaged) {
                handleDatastoreAndVmdkDetachManaged(cmd, diskUuid, iScsiName, storageHost, storagePort);
            } else {
                if (!dsMo.getDatastoreType().equalsIgnoreCase("VVOL")) {
                    VmwareStorageLayoutHelper.syncVolumeToRootFolder(dsMo.getOwnerDatacenter().first(), dsMo, volumePath, vmName, VmwareManager.s_vmwareSearchExcludeFolder.value());
                }
            }
            if (datastoreChangeObserved) {
                answer.setContextParam("datastoreName", dsMo.getCustomFieldValue(CustomFieldConstants.CLOUD_UUID));
            }
            if (volumePathChangeObserved) {
                answer.setContextParam("volumePath", volumePath);
            }
        }
        if (chainInfo != null && !chainInfo.isEmpty())
            answer.setContextParam("chainInfo", chainInfo);
        return answer;
    } catch (Throwable e) {
        String msg = String.format("Failed to %s volume!", isAttach ? "attach" : "detach");
        s_logger.error(msg, e);
        hostService.createLogMessageException(e, cmd);
        // Sending empty error message - too many duplicate errors in UI
        return new AttachAnswer("");
    }
}