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

Example 6 with VMSnapshotTO

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

the class LibvirtRestoreVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final RestoreVMSnapshotCommand cmd, final LibvirtComputingResource libvirtComputingResource) {
    String vmName = cmd.getVmName();
    List<VolumeObjectTO> listVolumeTo = cmd.getVolumeTOs();
    VirtualMachine.PowerState vmState = VirtualMachine.PowerState.PowerOn;
    Domain dm = null;
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        Connect conn = libvirtUtilitiesHelper.getConnection();
        dm = libvirtComputingResource.getDomain(conn, vmName);
        if (dm == null) {
            return new RestoreVMSnapshotAnswer(cmd, false, "Restore VM Snapshot Failed due to can not find vm: " + vmName);
        }
        String xmlDesc = dm.getXMLDesc(0);
        List<VMSnapshotTO> snapshots = cmd.getSnapshots();
        Map<Long, VMSnapshotTO> snapshotAndParents = cmd.getSnapshotAndParents();
        for (VMSnapshotTO snapshot : snapshots) {
            VMSnapshotTO parent = snapshotAndParents.get(snapshot.getId());
            String vmSnapshotXML = libvirtUtilitiesHelper.generateVMSnapshotXML(snapshot, parent, xmlDesc);
            s_logger.debug("Restoring vm snapshot " + snapshot.getSnapshotName() + " on " + vmName + " with XML:\n " + vmSnapshotXML);
            try {
                // VIR_DOMAIN_SNAPSHOT_CREATE_REDEFINE = 1
                int flags = 1;
                if (snapshot.getCurrent()) {
                    // VIR_DOMAIN_SNAPSHOT_CREATE_CURRENT = 2
                    flags += 2;
                }
                dm.snapshotCreateXML(vmSnapshotXML, flags);
            } catch (LibvirtException e) {
                s_logger.debug("Failed to restore vm snapshot " + snapshot.getSnapshotName() + " on " + vmName);
                return new RestoreVMSnapshotAnswer(cmd, false, e.toString());
            }
        }
        return new RestoreVMSnapshotAnswer(cmd, listVolumeTo, vmState);
    } catch (LibvirtException e) {
        String msg = " Restore snapshot failed due to " + e.toString();
        s_logger.warn(msg, e);
        return new RestoreVMSnapshotAnswer(cmd, false, msg);
    } finally {
        if (dm != null) {
            try {
                dm.free();
            } catch (LibvirtException l) {
                s_logger.trace("Ignoring libvirt error.", l);
            }
            ;
        }
    }
}

Example 7 with VMSnapshotTO

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

the class VMSnapshotManagerImpl method createRestoreCommand.

@Override
public RestoreVMSnapshotCommand createRestoreCommand(UserVmVO userVm, List<VMSnapshotVO> vmSnapshotVOs) {
    if (!HypervisorType.KVM.equals(userVm.getHypervisorType()))
        return null;
    List<VMSnapshotTO> snapshots = new ArrayList<VMSnapshotTO>();
    Map<Long, VMSnapshotTO> snapshotAndParents = new HashMap<Long, VMSnapshotTO>();
    for (VMSnapshotVO vmSnapshotVO : vmSnapshotVOs) {
        if (vmSnapshotVO.getType() == VMSnapshot.Type.DiskAndMemory) {
            VMSnapshotVO snapshot = _vmSnapshotDao.findById(vmSnapshotVO.getId());
            VMSnapshotTO parent = getSnapshotWithParents(snapshot).getParent();
            VMSnapshotOptions options = snapshot.getOptions();
            boolean quiescevm = true;
            if (options != null)
                quiescevm = options.needQuiesceVM();
            VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(snapshot.getId(), snapshot.getName(), snapshot.getType(), snapshot.getCreated().getTime(), snapshot.getDescription(), snapshot.getCurrent(), parent, quiescevm);
            snapshots.add(vmSnapshotTO);
            snapshotAndParents.put(vmSnapshotVO.getId(), parent);
        }
    }
    if (snapshotAndParents.isEmpty())
        return null;
    // prepare RestoreVMSnapshotCommand
    String vmInstanceName = userVm.getInstanceName();
    List<VolumeObjectTO> volumeTOs = getVolumeTOList(userVm.getId());
    GuestOSVO guestOS = _guestOSDao.findById(userVm.getGuestOSId());
    RestoreVMSnapshotCommand restoreSnapshotCommand = new RestoreVMSnapshotCommand(vmInstanceName, null, volumeTOs, guestOS.getDisplayName());
    restoreSnapshotCommand.setSnapshots(snapshots);
    restoreSnapshotCommand.setSnapshotAndParents(snapshotAndParents);
    return restoreSnapshotCommand;
}

Example 8 with VMSnapshotTO

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

the class VMSnapshotManagerImpl method getSnapshotWithParents.

private VMSnapshotTO getSnapshotWithParents(VMSnapshotVO snapshot) {
    Map<Long, VMSnapshotVO> snapshotMap = new HashMap<Long, VMSnapshotVO>();
    List<VMSnapshotVO> allSnapshots = _vmSnapshotDao.findByVm(snapshot.getVmId());
    for (VMSnapshotVO vmSnapshotVO : allSnapshots) {
        snapshotMap.put(vmSnapshotVO.getId(), vmSnapshotVO);
    }
    VMSnapshotTO currentTO = convert2VMSnapshotTO(snapshot);
    VMSnapshotTO result = currentTO;
    VMSnapshotVO current = snapshot;
    while (current.getParent() != null) {
        VMSnapshotVO parent = snapshotMap.get(current.getParent());
        if (parent == null) {
            break;
        }
        currentTO.setParent(convert2VMSnapshotTO(parent));
        current = snapshotMap.get(current.getParent());
        currentTO = currentTO.getParent();
    }
    return result;
}

Example 9 with VMSnapshotTO

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

the class DefaultVMSnapshotStrategy method takeVMSnapshot.

@Override
public VMSnapshot takeVMSnapshot(VMSnapshot vmSnapshot) {
    Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
    UserVm userVm = userVmDao.findById(vmSnapshot.getVmId());
    VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshotVO, VMSnapshot.Event.CreateRequested);
    } catch (NoTransitionException e) {
        throw new CloudRuntimeException(e.getMessage());
    }
    CreateVMSnapshotAnswer answer = null;
    boolean result = false;
    try {
        GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(userVm.getId());
        VMSnapshotTO current = null;
        VMSnapshotVO currentSnapshot = vmSnapshotDao.findCurrentSnapshotByVmId(userVm.getId());
        if (currentSnapshot != null)
            current = vmSnapshotHelper.getSnapshotWithParents(currentSnapshot);
        VMSnapshotOptions options = ((VMSnapshotVO) vmSnapshot).getOptions();
        boolean quiescevm = true;
        if (options != null)
            quiescevm = options.needQuiesceVM();
        VMSnapshotTO target = new VMSnapshotTO(vmSnapshot.getId(), vmSnapshot.getName(), vmSnapshot.getType(), null, vmSnapshot.getDescription(), false, current, quiescevm);
        if (current == null)
            vmSnapshotVO.setParent(null);
        else
            vmSnapshotVO.setParent(current.getId());
        HostVO host = hostDao.findById(hostId);
        GuestOSHypervisorVO guestOsMapping = guestOsHypervisorDao.findByOsIdAndHypervisor(guestOS.getId(), host.getHypervisorType().toString(), host.getHypervisorVersion());
        CreateVMSnapshotCommand ccmd = new CreateVMSnapshotCommand(userVm.getInstanceName(), userVm.getUuid(), target, volumeTOs, guestOS.getDisplayName());
        if (guestOsMapping == null) {
            ccmd.setPlatformEmulator(null);
        } else {
            ccmd.setPlatformEmulator(guestOsMapping.getGuestOsName());
        }
        ccmd.setWait(_wait);
        answer = (CreateVMSnapshotAnswer) agentMgr.send(hostId, ccmd);
        if (answer != null && answer.getResult()) {
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            s_logger.debug("Create vm snapshot " + vmSnapshot.getName() + " succeeded for vm: " + userVm.getInstanceName());
            result = true;
            for (VolumeObjectTO volumeTo : answer.getVolumeTOs()) {
                publishUsageEvent(EventTypes.EVENT_VM_SNAPSHOT_CREATE, vmSnapshot, userVm, volumeTo);
            }
            return vmSnapshot;
        } else {
            String errMsg = "Creating VM snapshot: " + vmSnapshot.getName() + " failed";
            if (answer != null && answer.getDetails() != null)
                errMsg = errMsg + " due to " + answer.getDetails();
            s_logger.error(errMsg);
            throw new CloudRuntimeException(errMsg);
        }
    } catch (OperationTimedoutException e) {
        s_logger.debug("Creating VM snapshot: " + vmSnapshot.getName() + " failed: " + e.toString());
        throw new CloudRuntimeException("Creating VM snapshot: " + vmSnapshot.getName() + " failed: " + e.toString());
    } catch (AgentUnavailableException e) {
        s_logger.debug("Creating VM snapshot: " + vmSnapshot.getName() + " failed", e);
        throw new CloudRuntimeException("Creating VM snapshot: " + vmSnapshot.getName() + " failed: " + e.toString());
    } finally {
        if (!result) {
            try {
                vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.OperationFailed);
            } catch (NoTransitionException e1) {
                s_logger.error("Cannot set vm snapshot state due to: " + e1.getMessage());
            }
        }
    }
}

Example 10 with VMSnapshotTO

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

the class DefaultVMSnapshotStrategy method deleteVMSnapshot.

@Override
public boolean deleteVMSnapshot(VMSnapshot vmSnapshot) {
    UserVmVO userVm = userVmDao.findById(vmSnapshot.getVmId());
    VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.ExpungeRequested);
    } catch (NoTransitionException e) {
        s_logger.debug("Failed to change vm snapshot state with event ExpungeRequested");
        throw new CloudRuntimeException("Failed to change vm snapshot state with event ExpungeRequested: " + e.getMessage());
    }
    try {
        Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
        List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(vmSnapshot.getVmId());
        String vmInstanceName = userVm.getInstanceName();
        VMSnapshotTO parent = vmSnapshotHelper.getSnapshotWithParents(vmSnapshotVO).getParent();
        VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(vmSnapshot.getId(), vmSnapshot.getName(), vmSnapshot.getType(), vmSnapshot.getCreated().getTime(), vmSnapshot.getDescription(), vmSnapshot.getCurrent(), parent, true);
        GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        DeleteVMSnapshotCommand deleteSnapshotCommand = new DeleteVMSnapshotCommand(vmInstanceName, vmSnapshotTO, volumeTOs, guestOS.getDisplayName());
        Answer answer = agentMgr.send(hostId, deleteSnapshotCommand);
        if (answer != null && answer.getResult()) {
            DeleteVMSnapshotAnswer deleteVMSnapshotAnswer = (DeleteVMSnapshotAnswer) answer;
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            for (VolumeObjectTO volumeTo : deleteVMSnapshotAnswer.getVolumeTOs()) {
                publishUsageEvent(EventTypes.EVENT_VM_SNAPSHOT_DELETE, vmSnapshot, userVm, volumeTo);
            }
            return true;
        } else {
            String errMsg = (answer == null) ? null : answer.getDetails();
            s_logger.error("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + errMsg);
            throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + errMsg);
        }
    } catch (OperationTimedoutException e) {
        throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + e.getMessage());
    } catch (AgentUnavailableException e) {
        throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + e.getMessage());
    }
}