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

Example 1 with DeleteVMSnapshotAnswer

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

the class LibvirtDeleteVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final DeleteVMSnapshotCommand cmd, final LibvirtComputingResource libvirtComputingResource) {
    String vmName = cmd.getVmName();
    final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    Domain dm = null;
    DomainSnapshot snapshot = null;
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        Connect conn = libvirtUtilitiesHelper.getConnection();
        dm = libvirtComputingResource.getDomain(conn, vmName);
        snapshot = dm.snapshotLookupByName(cmd.getTarget().getSnapshotName());
        // only remove this snapshot, not children
        snapshot.delete(0);
        return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
    } catch (LibvirtException e) {
        String msg = " Delete VM snapshot failed due to " + e.toString();
        if (dm == null) {
            s_logger.debug("Can not find running vm: " + vmName + ", now we are trying to delete the vm snapshot using qemu-img if the format of root volume is QCOW2");
            VolumeObjectTO rootVolume = null;
            for (VolumeObjectTO volume : cmd.getVolumeTOs()) {
                if (volume.getVolumeType() == Volume.Type.ROOT) {
                    rootVolume = volume;
                    break;
                }
            }
            if (rootVolume != null && ImageFormat.QCOW2.equals(rootVolume.getFormat())) {
                PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) rootVolume.getDataStore();
                KVMPhysicalDisk rootDisk = storagePoolMgr.getPhysicalDisk(primaryStore.getPoolType(), primaryStore.getUuid(), rootVolume.getPath());
                String qemu_img_snapshot = Script.runSimpleBashScript("qemu-img snapshot -l " + rootDisk.getPath() + " | tail -n +3 | awk -F ' ' '{print $2}' | grep ^" + cmd.getTarget().getSnapshotName() + "$");
                if (qemu_img_snapshot == null) {
                    s_logger.info("Cannot find snapshot " + cmd.getTarget().getSnapshotName() + " in file " + rootDisk.getPath() + ", return true");
                    return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
                }
                int result = Script.runSimpleBashScriptForExitValue("qemu-img snapshot -d " + cmd.getTarget().getSnapshotName() + " " + rootDisk.getPath());
                if (result != 0) {
                    return new DeleteVMSnapshotAnswer(cmd, false, "Delete VM Snapshot Failed due to can not remove snapshot from image file " + rootDisk.getPath() + " : " + result);
                } else {
                    return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
                }
            }
        } else if (snapshot == null) {
            s_logger.debug("Can not find vm snapshot " + cmd.getTarget().getSnapshotName() + " on vm: " + vmName + ", return true");
            return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
        }
        s_logger.warn(msg, e);
        return new DeleteVMSnapshotAnswer(cmd, false, msg);
    } finally {
        if (dm != null) {
            try {
                dm.free();
            } catch (LibvirtException l) {
                s_logger.trace("Ignoring libvirt error.", l);
            }
            ;
        }
    }
}

Example 2 with DeleteVMSnapshotAnswer

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

the class VMSnapshotStrategyTest method testDeleteVMSnapshot.

@Test
public void testDeleteVMSnapshot() throws AgentUnavailableException, OperationTimedoutException {
    Long hostId = 1L;
    Long vmId = 1L;
    Long guestOsId = 1L;
    HypervisorType hypervisorType = HypervisorType.Any;
    String hypervisorVersion = "default";
    String guestOsName = "Other";
    List<VolumeObjectTO> volumeObjectTOs = new ArrayList<VolumeObjectTO>();
    VMSnapshotVO vmSnapshot = Mockito.mock(VMSnapshotVO.class);
    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);
    GuestOSVO guestOSVO = Mockito.mock(GuestOSVO.class);
    Mockito.when(guestOSDao.findById(Matchers.anyLong())).thenReturn(guestOSVO);
    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);
    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);
    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.deleteVMSnapshot(vmSnapshot);
    } catch (CloudRuntimeException e1) {
        e = e1;
    }
    assertNotNull(e);
    DeleteVMSnapshotAnswer answer = Mockito.mock(DeleteVMSnapshotAnswer.class);
    Mockito.when(answer.getResult()).thenReturn(true);
    Mockito.when(agentMgr.send(Matchers.anyLong(), Matchers.any(Command.class))).thenReturn(answer);
    boolean result = vmSnapshotStrategy.deleteVMSnapshot(vmSnapshot);
    assertTrue(result);
}

Example 3 with DeleteVMSnapshotAnswer

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

the class DefaultVMSnapshotStrategy method processAnswer.

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

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

Example 4 with DeleteVMSnapshotAnswer

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

the class VmwareResource method execute.

protected Answer execute(DeleteVMSnapshotCommand cmd) {
    try {
        VmwareContext context = getServiceContext();
        VmwareManager mgr = context.getStockObject(VmwareManager.CONTEXT_STOCK_NAME);
        return mgr.getStorageManager().execute(this, cmd);
    } catch (Exception e) {
        e.printStackTrace();
        return new DeleteVMSnapshotAnswer(cmd, false, "");
    }
}

Example 5 with DeleteVMSnapshotAnswer

use of com.cloud.agent.api.DeleteVMSnapshotAnswer 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());
    }
}