Examples with RevertToVMSnapshotAnswer com.cloud.legacymodel.communication.answer.RevertToVMSnapshotAnswer used on opensource projects

Example 1 with RevertToVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RevertToVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class DefaultVMSnapshotStrategy method revertVMSnapshot.

@Override
public boolean revertVMSnapshot(final VMSnapshot vmSnapshot) {
    final VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    final UserVmVO userVm = userVmDao.findById(vmSnapshot.getVmId());
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshotVO, VMSnapshot.Event.RevertRequested);
    } catch (final NoTransitionException e) {
        throw new CloudRuntimeException(e.getMessage());
    }
    boolean result = false;
    try {
        final VMSnapshotVO snapshot = vmSnapshotDao.findById(vmSnapshotVO.getId());
        final List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(userVm.getId());
        final String vmInstanceName = userVm.getInstanceName();
        final VMSnapshotTO parent = vmSnapshotHelper.getSnapshotWithParents(snapshot).getParent();
        final VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(snapshot.getId(), snapshot.getName(), snapshot.getType(), snapshot.getCreated().getTime(), snapshot.getDescription(), snapshot.getCurrent(), parent, true);
        final Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
        final GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        final RevertToVMSnapshotCommand revertToSnapshotCommand = new RevertToVMSnapshotCommand(vmInstanceName, userVm.getUuid(), vmSnapshotTO, volumeTOs, guestOS.getDisplayName());
        final HostVO host = hostDao.findById(hostId);
        final GuestOSHypervisorVO guestOsMapping = guestOsHypervisorDao.findByOsIdAndHypervisor(guestOS.getId(), host.getHypervisorType().toString(), host.getHypervisorVersion());
        if (guestOsMapping == null) {
            revertToSnapshotCommand.setPlatformEmulator(null);
        } else {
            revertToSnapshotCommand.setPlatformEmulator(guestOsMapping.getGuestOsName());
        }
        final RevertToVMSnapshotAnswer answer = (RevertToVMSnapshotAnswer) agentMgr.send(hostId, revertToSnapshotCommand);
        if (answer != null && answer.getResult()) {
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            result = true;
        } else {
            String errMsg = "Revert VM: " + userVm.getInstanceName() + " to snapshot: " + vmSnapshotVO.getName() + " failed";
            if (answer != null && answer.getDetails() != null) {
                errMsg = errMsg + " due to " + answer.getDetails();
            }
            s_logger.error(errMsg);
            throw new CloudRuntimeException(errMsg);
        }
    } catch (final OperationTimedoutException e) {
        s_logger.debug("Failed to revert vm snapshot", e);
        throw new CloudRuntimeException(e.getMessage());
    } catch (final AgentUnavailableException e) {
        s_logger.debug("Failed to revert vm snapshot", e);
        throw new CloudRuntimeException(e.getMessage());
    } finally {
        if (!result) {
            try {
                vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.OperationFailed);
            } catch (final NoTransitionException e1) {
                s_logger.error("Cannot set vm snapshot state due to: " + e1.getMessage());
            }
        }
    }
    return result;
}

Example 2 with RevertToVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RevertToVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class DefaultVMSnapshotStrategy method processAnswer.

@DB
protected void processAnswer(final VMSnapshotVO vmSnapshot, final UserVm userVm, final Answer as, final Long hostId) {
    try {
        Transaction.execute(new TransactionCallbackWithExceptionNoReturn<NoTransitionException>() {

            @Override
            public void doInTransactionWithoutResult(final TransactionStatus status) throws NoTransitionException {
                if (as instanceof CreateVMSnapshotAnswer) {
                    final CreateVMSnapshotAnswer answer = (CreateVMSnapshotAnswer) as;
                    finalizeCreate(vmSnapshot, answer.getVolumeTOs());
                    vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.OperationSucceeded);
                } else if (as instanceof RevertToVMSnapshotAnswer) {
                    final RevertToVMSnapshotAnswer answer = (RevertToVMSnapshotAnswer) as;
                    finalizeRevert(vmSnapshot, answer.getVolumeTOs());
                    vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.OperationSucceeded);
                } else if (as instanceof DeleteVMSnapshotAnswer) {
                    final DeleteVMSnapshotAnswer answer = (DeleteVMSnapshotAnswer) as;
                    finalizeDelete(vmSnapshot, answer.getVolumeTOs());
                    vmSnapshotDao.remove(vmSnapshot.getId());
                }
            }
        });
    } catch (final Exception e) {
        final String errMsg = "Error while process answer: " + as.getClass() + " due to " + e.getMessage();
        s_logger.error(errMsg, e);
        throw new CloudRuntimeException(errMsg);
    }
}

Example 3 with RevertToVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RevertToVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class LibvirtRevertToVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final RevertToVMSnapshotCommand cmd, final LibvirtComputingResource libvirtComputingResource) {
    final String vmName = cmd.getVmName();
    final List<VolumeObjectTO> listVolumeTo = cmd.getVolumeTOs();
    final VMSnapshot.Type vmSnapshotType = cmd.getTarget().getType();
    final Boolean snapshotMemory = vmSnapshotType == VMSnapshot.Type.DiskAndMemory;
    final PowerState vmState;
    Domain dm = null;
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        final Connect conn = libvirtUtilitiesHelper.getConnection();
        dm = libvirtComputingResource.getDomain(conn, vmName);
        if (dm == null) {
            return new RevertToVMSnapshotAnswer(cmd, false, "Revert to VM Snapshot Failed due to can not find vm: " + vmName);
        }
        final DomainSnapshot snapshot = dm.snapshotLookupByName(cmd.getTarget().getSnapshotName());
        if (snapshot == null) {
            return new RevertToVMSnapshotAnswer(cmd, false, "Cannot find vmSnapshot with name: " + cmd.getTarget().getSnapshotName());
        }
        dm.revertToSnapshot(snapshot, VIR_DOMAIN_SNAPSHOT_REVERT_FORCE | VIR_DOMAIN_SNAPSHOT_REVERT_RUNNING);
        snapshot.free();
        if (!snapshotMemory) {
            dm.destroy();
            if (dm.isPersistent() == 1) {
                dm.undefine();
            }
            vmState = PowerState.PowerOff;
        } else {
            vmState = PowerState.PowerOn;
        }
        return new RevertToVMSnapshotAnswer(cmd, listVolumeTo, vmState);
    } catch (final LibvirtException e) {
        final String msg = " Revert to VM snapshot failed due to " + e.toString();
        s_logger.warn(msg, e);
        return new RevertToVMSnapshotAnswer(cmd, false, msg);
    } finally {
        if (dm != null) {
            try {
                dm.free();
            } catch (final LibvirtException l) {
                s_logger.trace("Ignoring libvirt error.", l);
            }
            ;
        }
    }
}

Example 4 with RevertToVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RevertToVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class VMSnapshotStrategyTest method testRevertSnapshot.

@Test
public void testRevertSnapshot() throws AgentUnavailableException, OperationTimedoutException {
    final Long hostId = 1L;
    final Long vmId = 1L;
    final Long guestOsId = 1L;
    final HypervisorType hypervisorType = HypervisorType.Any;
    final String hypervisorVersion = "default";
    final String guestOsName = "Other";
    final List<VolumeObjectTO> volumeObjectTOs = new ArrayList<>();
    final VMSnapshotVO vmSnapshot = Mockito.mock(VMSnapshotVO.class);
    final UserVmVO userVmVO = Mockito.mock(UserVmVO.class);
    Mockito.when(userVmVO.getGuestOSId()).thenReturn(guestOsId);
    Mockito.when(vmSnapshot.getVmId()).thenReturn(vmId);
    Mockito.when(vmSnapshotHelper.pickRunningHost(Matchers.anyLong())).thenReturn(hostId);
    Mockito.when(vmSnapshotHelper.getVolumeTOList(Matchers.anyLong())).thenReturn(volumeObjectTOs);
    Mockito.when(userVmDao.findById(Matchers.anyLong())).thenReturn(userVmVO);
    final GuestOSVO guestOSVO = Mockito.mock(GuestOSVO.class);
    Mockito.when(guestOSDao.findById(Matchers.anyLong())).thenReturn(guestOSVO);
    final GuestOSHypervisorVO guestOSHypervisorVO = Mockito.mock(GuestOSHypervisorVO.class);
    Mockito.when(guestOSHypervisorVO.getGuestOsName()).thenReturn(guestOsName);
    Mockito.when(guestOsHypervisorDao.findById(Matchers.anyLong())).thenReturn(guestOSHypervisorVO);
    Mockito.when(guestOsHypervisorDao.findByOsIdAndHypervisor(Matchers.anyLong(), Matchers.anyString(), Matchers.anyString())).thenReturn(guestOSHypervisorVO);
    final VMSnapshotTO vmSnapshotTO = Mockito.mock(VMSnapshotTO.class);
    Mockito.when(vmSnapshotHelper.getSnapshotWithParents(Matchers.any(VMSnapshotVO.class))).thenReturn(vmSnapshotTO);
    Mockito.when(vmSnapshotDao.findById(Matchers.anyLong())).thenReturn(vmSnapshot);
    Mockito.when(vmSnapshot.getId()).thenReturn(1L);
    Mockito.when(vmSnapshot.getCreated()).thenReturn(new Date());
    Mockito.when(agentMgr.send(Matchers.anyLong(), Matchers.any(Command.class))).thenReturn(null);
    final HostVO hostVO = Mockito.mock(HostVO.class);
    Mockito.when(hostDao.findById(Matchers.anyLong())).thenReturn(hostVO);
    Mockito.when(hostVO.getHypervisorType()).thenReturn(hypervisorType);
    Mockito.when(hostVO.getHypervisorVersion()).thenReturn(hypervisorVersion);
    Exception e = null;
    try {
        vmSnapshotStrategy.revertVMSnapshot(vmSnapshot);
    } catch (final CloudRuntimeException e1) {
        e = e1;
    }
    assertNotNull(e);
    final RevertToVMSnapshotAnswer answer = Mockito.mock(RevertToVMSnapshotAnswer.class);
    Mockito.when(answer.getResult()).thenReturn(Boolean.TRUE);
    Mockito.when(agentMgr.send(Matchers.anyLong(), Matchers.any(Command.class))).thenReturn(answer);
    final boolean result = vmSnapshotStrategy.revertVMSnapshot(vmSnapshot);
    assertTrue(result);
}

Example 5 with RevertToVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RevertToVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class CitrixRevertToVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final RevertToVMSnapshotCommand command, final CitrixResourceBase citrixResourceBase) {
    final String vmName = command.getVmName();
    final List<VolumeObjectTO> listVolumeTo = command.getVolumeTOs();
    final VMSnapshot.Type vmSnapshotType = command.getTarget().getType();
    final Boolean snapshotMemory = vmSnapshotType == VMSnapshot.Type.DiskAndMemory;
    final Connection conn = citrixResourceBase.getConnection();
    PowerState vmState = null;
    VM vm = null;
    try {
        final Set<VM> vmSnapshots = VM.getByNameLabel(conn, command.getTarget().getSnapshotName());
        if (vmSnapshots == null || vmSnapshots.size() == 0) {
            return new RevertToVMSnapshotAnswer(command, false, "Cannot find vmSnapshot with name: " + command.getTarget().getSnapshotName());
        }
        final VM vmSnapshot = vmSnapshots.iterator().next();
        // find target VM or creating a work VM
        try {
            vm = citrixResourceBase.getVM(conn, vmName);
        } catch (final Exception e) {
            vm = citrixResourceBase.createWorkingVM(conn, vmName, command.getGuestOSType(), command.getPlatformEmulator(), listVolumeTo);
        }
        if (vm == null) {
            return new RevertToVMSnapshotAnswer(command, false, "Revert to VM Snapshot Failed due to can not find vm: " + vmName);
        }
        // call plugin to execute revert
        citrixResourceBase.revertToSnapshot(conn, vmSnapshot, vmName, vm.getUuid(conn), snapshotMemory, citrixResourceBase.getHost().getUuid());
        vm = citrixResourceBase.getVM(conn, vmName);
        final Set<VBD> vbds = vm.getVBDs(conn);
        final Map<String, VDI> vdiMap = new HashMap<>();
        // get vdi:vbdr to a map
        for (final VBD vbd : vbds) {
            final VBD.Record vbdr = vbd.getRecord(conn);
            if (vbdr.type == Types.VbdType.DISK) {
                final VDI vdi = vbdr.VDI;
                vdiMap.put(vbdr.userdevice, vdi);
            }
        }
        if (!snapshotMemory) {
            vm.destroy(conn);
            vmState = PowerState.PowerOff;
        } else {
            vmState = PowerState.PowerOn;
        }
        // after revert, VM's volumes path have been changed, need to report to manager
        for (final VolumeObjectTO volumeTo : listVolumeTo) {
            final Long deviceId = volumeTo.getDeviceId();
            final VDI vdi = vdiMap.get(deviceId.toString());
            volumeTo.setPath(vdi.getUuid(conn));
        }
        return new RevertToVMSnapshotAnswer(command, listVolumeTo, vmState);
    } catch (final Exception e) {
        s_logger.error("revert vm " + vmName + " to snapshot " + command.getTarget().getSnapshotName() + " failed due to " + e.getMessage());
        return new RevertToVMSnapshotAnswer(command, false, e.getMessage());
    }
}