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

Example 1 with MigrateVolumeAnswer

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

the class LibvirtMigrateVolumeCommandWrapper method execute.

@Override
public Answer execute(final MigrateVolumeCommand command, final LibvirtComputingResource libvirtComputingResource) {
    String result = null;
    final String vmName = command.getAttachedVmName();
    LibvirtDiskDef disk = null;
    final List<LibvirtDiskDef> disks;
    boolean isMigrationSuccessfull = false;
    Domain dm = null;
    Connect conn = null;
    String currentVolumePath = null;
    final String newVolumePath;
    final CountDownLatch completeSignal = new CountDownLatch(1);
    final BlockJobListener blockJobListener = new BlockJobListener() {

        @Override
        public void onBlockJobCompleted(final Domain domain, final String disk, final int type) throws LibvirtException {
            onBlockJobReady(domain, disk, type);
        }

        @Override
        public void onBlockJobFailed(final Domain domain, final String disk, final int type) throws LibvirtException {
            throw new LibvirtException("BlockJobFailed");
        }

        @Override
        public void onBlockJobCanceled(final Domain domain, final String disk, final int type) throws LibvirtException {
            throw new LibvirtException("BlockJobCanceled");
        }

        @Override
        public void onBlockJobReady(final Domain domain, final String disk, final int type) throws LibvirtException {
            domain.blockJobAbort(disk, DomainBlockJobAbortFlags.VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT);
            completeSignal.countDown();
        }
    };
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
        disks = libvirtComputingResource.getDisks(conn, vmName);
        dm = conn.domainLookupByName(vmName);
        newVolumePath = "/mnt/" + command.getPool().getUuid() + "/" + command.getVolumePath();
        for (final LibvirtDiskDef diskDef : disks) {
            if (diskDef.getDiskPath().contains(command.getVolumePath())) {
                disk = diskDef;
                break;
            }
        }
        logger.debug("Registering block job listener with libvirt for domain " + dm.getName());
        dm.addBlockJobListener(blockJobListener);
        if (disk != null) {
            currentVolumePath = disk.getDiskPath();
            int blockCopySpeed = libvirtComputingResource.getVmBlockCopySpeed();
            disk.setDiskPath(newVolumePath);
            DomainBlockCopyParameters domainBlockCopyParameters = new DomainBlockCopyParameters();
            domainBlockCopyParameters.setDomainBlockCopyBandwidth(blockCopySpeed);
            String scale = new String(domainBlockCopyParameters.isDomainBlockCopyBytes() ? " Bytes/s" : " MiB/s");
            logger.debug("Starting block copy for domain " + dm.getName() + " from " + currentVolumePath + " to " + newVolumePath + " @ " + blockCopySpeed + scale);
            dm.blockCopy(currentVolumePath, disk.toString(), domainBlockCopyParameters.getTypedParameters(), 0);
        } else {
            throw new LibvirtException("Couldn't find disk: " + command.getVolumePath() + " on vm: " + dm.getName());
        }
        logger.debug("Waiting for block copy for domain " + dm.getName() + " from " + currentVolumePath + " to " + newVolumePath + " to finish");
        completeSignal.await();
        logger.debug("Refreshing storage pool " + command.getPool().getUuid());
        final StoragePool storagePool = conn.storagePoolLookupByUUIDString(command.getPool().getUuid());
        storagePool.refresh(0);
        isMigrationSuccessfull = true;
    } catch (final LibvirtException | InterruptedException e) {
        logger.debug("Can't migrate disk: " + e.getMessage());
        result = e.getMessage();
    } finally {
        try {
            if (dm != null) {
                dm.free();
            }
            // Stop block job listener
            if (conn != null) {
                conn.removeBlockJobListener(blockJobListener);
            }
        } catch (final LibvirtException e) {
            logger.debug("Ignoring libvirt error.", e);
        }
    }
    try {
        if (isMigrationSuccessfull && conn != null) {
            logger.debug("Cleaning up old disk " + currentVolumePath);
            final StorageVol storageVol = conn.storageVolLookupByPath(currentVolumePath);
            storageVol.delete(0);
        }
    } catch (final LibvirtException e) {
        logger.error("Cleaning up old disk " + currentVolumePath + " failed!", e);
    }
    return new MigrateVolumeAnswer(command, result == null, result, command.getVolumePath());
}

Example 2 with MigrateVolumeAnswer

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

the class AncientDataMotionStrategy method migrateVolumeToPool.

protected Answer migrateVolumeToPool(final DataObject srcData, final DataObject destData) {
    final String value = configDao.getValue(Config.MigrateWait.key());
    final int waitInterval = NumbersUtil.parseInt(value, Integer.parseInt(Config.MigrateWait.getDefaultValue()));
    final VolumeInfo volume = (VolumeInfo) srcData;
    final StoragePool destPool = (StoragePool) dataStoreMgr.getDataStore(destData.getDataStore().getId(), DataStoreRole.Primary);
    final MigrateVolumeCommand command = new MigrateVolumeCommand(volume.getId(), volume.getPath(), destPool, volume.getAttachedVmName(), volume.getVolumeType(), waitInterval);
    final EndPoint ep = selector.select(srcData, StorageAction.MIGRATEVOLUME);
    Answer answer = null;
    if (ep == null) {
        final String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
        s_logger.error(errMsg);
        answer = new Answer(command, false, errMsg);
    } else {
        answer = ep.sendMessage(command);
    }
    if (answer == null || !answer.getResult()) {
        throw new CloudRuntimeException("Failed to migrate volume " + volume + " to storage pool " + destPool);
    } else {
        // Update the volume details after migration.
        final VolumeVO volumeVo = volDao.findById(volume.getId());
        final Long oldPoolId = volume.getPoolId();
        volumeVo.setPath(((MigrateVolumeAnswer) answer).getVolumePath());
        final String chainInfo = ((MigrateVolumeAnswer) answer).getVolumeChainInfo();
        if (chainInfo != null) {
            volumeVo.setChainInfo(chainInfo);
        }
        volumeVo.setPodId(destPool.getPodId());
        volumeVo.setPoolId(destPool.getId());
        volumeVo.setLastPoolId(oldPoolId);
        // For SMB, pool credentials are also stored in the uri query string.  We trim the query string
        // part  here to make sure the credentials do not get stored in the db unencrypted.
        String folder = destPool.getPath();
        if (destPool.getPoolType() == StoragePoolType.SMB && folder != null && folder.contains("?")) {
            folder = folder.substring(0, folder.indexOf("?"));
        }
        volumeVo.setFolder(folder);
        volDao.update(volume.getId(), volumeVo);
    }
    return answer;
}

Example 3 with MigrateVolumeAnswer

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

the class XenServer610MigrateVolumeCommandWrapper method execute.

@Override
public Answer execute(final MigrateVolumeCommand command, final XenServer610Resource xenServer610Resource) {
    final Connection connection = xenServer610Resource.getConnection();
    final String volumeUUID = command.getVolumePath();
    final StorageFilerTO poolTO = command.getPool();
    try {
        final String uuid = poolTO.getUuid();
        final SR destinationPool = xenServer610Resource.getStorageRepository(connection, uuid);
        final VDI srcVolume = xenServer610Resource.getVDIbyUuid(connection, volumeUUID);
        final Map<String, String> other = new HashMap<>();
        other.put("live", "true");
        // Live migrate the vdi across pool.
        final Task task = srcVolume.poolMigrateAsync(connection, destinationPool, other);
        final long timeout = xenServer610Resource.getMigrateWait() * 1000L;
        xenServer610Resource.waitForTask(connection, task, 1000, timeout);
        xenServer610Resource.checkForSuccess(connection, task);
        final VDI dvdi = Types.toVDI(task, connection);
        return new MigrateVolumeAnswer(command, true, null, dvdi.getUuid(connection));
    } catch (final Exception e) {
        final String msg = "Catch Exception " + e.getClass().getName() + " due to " + e.toString();
        s_logger.error(msg, e);
        return new MigrateVolumeAnswer(command, false, msg, null);
    }
}