Examples with CopyCmdAnswer org.apache.cloudstack.storage.command.CopyCmdAnswer used on opensource projects

Example 16 with CopyCmdAnswer

use of org.apache.cloudstack.storage.command.CopyCmdAnswer in project cloudstack by apache.

the class StorageSystemDataMotionStrategy method handleCreateVolumeFromSnapshotOnSecondaryStorage.

/**
     * Creates a volume on the storage from a snapshot that resides on the secondary storage (archived snapshot).
     * @param snapshotInfo snapshot on secondary
     * @param volumeInfo volume to be created on the storage
     * @param callback  for async
     */
private void handleCreateVolumeFromSnapshotOnSecondaryStorage(SnapshotInfo snapshotInfo, VolumeInfo volumeInfo, AsyncCompletionCallback<CopyCommandResult> callback) {
    // at this point, the snapshotInfo and volumeInfo should have the same disk offering ID (so either one should be OK to get a DiskOfferingVO instance)
    DiskOfferingVO diskOffering = _diskOfferingDao.findByIdIncludingRemoved(volumeInfo.getDiskOfferingId());
    SnapshotVO snapshot = _snapshotDao.findById(snapshotInfo.getId());
    // update the volume's hv_ss_reserve (hypervisor snapshot reserve) from a disk offering (used for managed storage)
    _volumeService.updateHypervisorSnapshotReserveForVolume(diskOffering, volumeInfo.getId(), snapshot.getHypervisorType());
    CopyCmdAnswer copyCmdAnswer = null;
    String errMsg = null;
    HostVO hostVO = null;
    try {
        // create a volume on the storage
        AsyncCallFuture<VolumeApiResult> future = _volumeService.createVolumeAsync(volumeInfo, volumeInfo.getDataStore());
        VolumeApiResult result = future.get();
        if (result.isFailed()) {
            LOGGER.error("Failed to create a volume: " + result.getResult());
            throw new CloudRuntimeException(result.getResult());
        }
        volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
        volumeInfo.processEvent(Event.MigrationRequested);
        volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
        hostVO = getHost(snapshotInfo.getDataCenterId(), false);
        // copy the volume from secondary via the hypervisor
        copyCmdAnswer = performCopyOfVdi(volumeInfo, snapshotInfo, hostVO);
        if (copyCmdAnswer == null || !copyCmdAnswer.getResult()) {
            if (copyCmdAnswer != null && !StringUtils.isEmpty(copyCmdAnswer.getDetails())) {
                errMsg = copyCmdAnswer.getDetails();
            } else {
                errMsg = "Unable to create volume from snapshot";
            }
        }
    } catch (Exception ex) {
        errMsg = ex.getMessage() != null ? ex.getMessage() : "Copy operation failed in 'StorageSystemDataMotionStrategy.handleCreateVolumeFromSnapshotBothOnStorageSystem'";
    }
    CopyCommandResult result = new CopyCommandResult(null, copyCmdAnswer);
    result.setResult(errMsg);
    callback.complete(result);
}

Example 17 with CopyCmdAnswer

use of org.apache.cloudstack.storage.command.CopyCmdAnswer in project cloudstack by apache.

the class StorageSystemDataMotionStrategy method handleCopyDataToSecondaryStorage.

/**
     * This function is responsible for copying a volume from the managed store to a secondary store. This is used in two cases
     * 1) When creating a template from a snapshot
     * 2) When createSnapshot is called with location=SECONDARY
     *
     * @param snapshotInfo Source snapshot
     * @param destData destination (can be template or snapshot)
     * @param callback callback for async
     */
private void handleCopyDataToSecondaryStorage(SnapshotInfo snapshotInfo, DataObject destData, AsyncCompletionCallback<CopyCommandResult> callback) {
    try {
        snapshotInfo.processEvent(Event.CopyingRequested);
    } catch (Exception ex) {
        throw new CloudRuntimeException("This snapshot is not currently in a state where it can be used to create a template.");
    }
    HostVO hostVO = getHost(snapshotInfo);
    boolean usingBackendSnapshot = usingBackendSnapshotFor(snapshotInfo);
    boolean computeClusterSupportsResign = clusterDao.getSupportsResigning(hostVO.getClusterId());
    boolean needCache = needCacheStorage(snapshotInfo, destData);
    DataObject destOnStore = destData;
    if (needCache) {
        // creates an object in the DB for data to be cached
        Scope selectedScope = pickCacheScopeForCopy(snapshotInfo, destData);
        destOnStore = cacheMgr.getCacheObject(snapshotInfo, selectedScope);
        destOnStore.processEvent(Event.CreateOnlyRequested);
    }
    if (usingBackendSnapshot && !computeClusterSupportsResign) {
        String noSupportForResignErrMsg = "Unable to locate an applicable host with which to perform a resignature operation : Cluster ID = " + hostVO.getClusterId();
        LOGGER.warn(noSupportForResignErrMsg);
        throw new CloudRuntimeException(noSupportForResignErrMsg);
    }
    try {
        if (usingBackendSnapshot) {
            createVolumeFromSnapshot(hostVO, snapshotInfo, true);
        }
        DataStore srcDataStore = snapshotInfo.getDataStore();
        String value = _configDao.getValue(Config.PrimaryStorageDownloadWait.toString());
        int primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue()));
        CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), destOnStore.getTO(), primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
        String errMsg = null;
        CopyCmdAnswer copyCmdAnswer = null;
        try {
            // (because we passed in true as the third parameter to createVolumeFromSnapshot above).
            if (!usingBackendSnapshot) {
                _volumeService.grantAccess(snapshotInfo, hostVO, srcDataStore);
            }
            Map<String, String> srcDetails = getSnapshotDetails(snapshotInfo);
            copyCommand.setOptions(srcDetails);
            copyCmdAnswer = (CopyCmdAnswer) _agentMgr.send(hostVO.getId(), copyCommand);
            if (!copyCmdAnswer.getResult()) {
                // We were not able to copy. Handle it.
                errMsg = copyCmdAnswer.getDetails();
                throw new CloudRuntimeException(errMsg);
            }
            if (needCache) {
                // If cached storage was needed (in case of object store as secondary
                // storage), at this point, the data has been copied from the primary
                // to the NFS cache by the hypervisor. We now invoke another copy
                // command to copy this data from cache to secondary storage. We
                // then cleanup the cache
                destOnStore.processEvent(Event.OperationSuccessed, copyCmdAnswer);
                CopyCommand cmd = new CopyCommand(destOnStore.getTO(), destData.getTO(), primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
                EndPoint ep = selector.select(destOnStore, destData);
                if (ep == null) {
                    errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                    LOGGER.error(errMsg);
                    copyCmdAnswer = new CopyCmdAnswer(errMsg);
                } else {
                    copyCmdAnswer = (CopyCmdAnswer) ep.sendMessage(cmd);
                }
                // clean up snapshot copied to staging
                cacheMgr.deleteCacheObject(destOnStore);
            }
        } catch (CloudRuntimeException | AgentUnavailableException | OperationTimedoutException ex) {
            String msg = "Failed to create template from snapshot (Snapshot ID = " + snapshotInfo.getId() + ") : ";
            LOGGER.warn(msg, ex);
            throw new CloudRuntimeException(msg + ex.getMessage());
        } finally {
            _volumeService.revokeAccess(snapshotInfo, hostVO, srcDataStore);
            if (copyCmdAnswer == null || !copyCmdAnswer.getResult()) {
                if (copyCmdAnswer != null && !StringUtils.isEmpty(copyCmdAnswer.getDetails())) {
                    errMsg = copyCmdAnswer.getDetails();
                    if (needCache) {
                        cacheMgr.deleteCacheObject(destOnStore);
                    }
                } else {
                    errMsg = "Unable to create template from snapshot";
                }
            }
            try {
                if (StringUtils.isEmpty(errMsg)) {
                    snapshotInfo.processEvent(Event.OperationSuccessed);
                } else {
                    snapshotInfo.processEvent(Event.OperationFailed);
                }
            } catch (Exception ex) {
                LOGGER.warn("Error processing snapshot event: " + ex.getMessage(), ex);
            }
        }
        CopyCommandResult result = new CopyCommandResult(null, copyCmdAnswer);
        result.setResult(errMsg);
        callback.complete(result);
    } finally {
        if (usingBackendSnapshot) {
            deleteVolumeFromSnapshot(snapshotInfo);
        }
    }
}

Example 18 with CopyCmdAnswer

use of org.apache.cloudstack.storage.command.CopyCmdAnswer in project cloudstack by apache.

the class XenServerStorageProcessor method copyVolumeFromPrimaryToSecondary.

@Override
public Answer copyVolumeFromPrimaryToSecondary(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final VolumeObjectTO srcVolume = (VolumeObjectTO) cmd.getSrcTO();
    final VolumeObjectTO destVolume = (VolumeObjectTO) cmd.getDestTO();
    final int wait = cmd.getWait();
    final DataStoreTO destStore = destVolume.getDataStore();
    if (destStore instanceof NfsTO) {
        SR secondaryStorage = null;
        try {
            final NfsTO nfsStore = (NfsTO) destStore;
            final URI uri = new URI(nfsStore.getUrl());
            // Create the volume folder
            if (!hypervisorResource.createSecondaryStorageFolder(conn, uri.getHost() + ":" + uri.getPath(), destVolume.getPath())) {
                throw new InternalErrorException("Failed to create the volume folder.");
            }
            // Create a SR for the volume UUID folder
            secondaryStorage = hypervisorResource.createNfsSRbyURI(conn, new URI(nfsStore.getUrl() + nfsStore.getPathSeparator() + destVolume.getPath()), false);
            // Look up the volume on the source primary storage pool
            final VDI srcVdi = getVDIbyUuid(conn, srcVolume.getPath());
            // Copy the volume to secondary storage
            final VDI destVdi = hypervisorResource.cloudVDIcopy(conn, srcVdi, secondaryStorage, wait);
            final String destVolumeUUID = destVdi.getUuid(conn);
            final VolumeObjectTO newVol = new VolumeObjectTO();
            newVol.setPath(destVolume.getPath() + nfsStore.getPathSeparator() + destVolumeUUID + ".vhd");
            newVol.setSize(srcVolume.getSize());
            return new CopyCmdAnswer(newVol);
        } catch (final Exception e) {
            s_logger.debug("Failed to copy volume to secondary: " + e.toString());
            return new CopyCmdAnswer("Failed to copy volume to secondary: " + e.toString());
        } finally {
            hypervisorResource.removeSR(conn, secondaryStorage);
        }
    }
    return new CopyCmdAnswer("unsupported protocol");
}

Example 19 with CopyCmdAnswer

use of org.apache.cloudstack.storage.command.CopyCmdAnswer in project cloudstack by apache.

the class XenServerStorageProcessor method cloneVolumeFromBaseTemplate.

@Override
public Answer cloneVolumeFromBaseTemplate(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final DataTO srcData = cmd.getSrcTO();
    final DataTO destData = cmd.getDestTO();
    final VolumeObjectTO volume = (VolumeObjectTO) destData;
    VDI vdi = null;
    try {
        VDI tmpltvdi = null;
        tmpltvdi = getVDIbyUuid(conn, srcData.getPath());
        vdi = tmpltvdi.createClone(conn, new HashMap<String, String>());
        Long virtualSize = vdi.getVirtualSize(conn);
        if (volume.getSize() > virtualSize) {
            s_logger.debug("Overriding provided template's size with new size " + volume.getSize() + " for volume: " + volume.getName());
            vdi.resize(conn, volume.getSize());
        } else {
            s_logger.debug("Using templates disk size of " + virtualSize + " for volume: " + volume.getName() + " since size passed was " + volume.getSize());
        }
        vdi.setNameLabel(conn, volume.getName());
        VDI.Record vdir;
        vdir = vdi.getRecord(conn);
        s_logger.debug("Succesfully created VDI: Uuid = " + vdir.uuid);
        final VolumeObjectTO newVol = new VolumeObjectTO();
        newVol.setName(vdir.nameLabel);
        newVol.setSize(vdir.virtualSize);
        newVol.setPath(vdir.uuid);
        return new CopyCmdAnswer(newVol);
    } catch (final Exception e) {
        s_logger.warn("Unable to create volume; Pool=" + destData + "; Disk: ", e);
        return new CopyCmdAnswer(e.toString());
    }
}

Example 20 with CopyCmdAnswer

use of org.apache.cloudstack.storage.command.CopyCmdAnswer in project cloudstack by apache.

the class Xenserver625StorageProcessor method copyVolumeFromPrimaryToSecondary.

@Override
public Answer copyVolumeFromPrimaryToSecondary(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final VolumeObjectTO srcVolume = (VolumeObjectTO) cmd.getSrcTO();
    final VolumeObjectTO destVolume = (VolumeObjectTO) cmd.getDestTO();
    final int wait = cmd.getWait();
    final DataStoreTO destStore = destVolume.getDataStore();
    if (destStore instanceof NfsTO) {
        SR secondaryStorage = null;
        Task task = null;
        try {
            final NfsTO nfsStore = (NfsTO) destStore;
            final URI uri = new URI(nfsStore.getUrl());
            // Create the volume folder
            if (!hypervisorResource.createSecondaryStorageFolder(conn, uri.getHost() + ":" + uri.getPath(), destVolume.getPath())) {
                throw new InternalErrorException("Failed to create the volume folder.");
            }
            // Create a SR for the volume UUID folder
            secondaryStorage = createFileSr(conn, uri.getHost() + ":" + uri.getPath(), destVolume.getPath());
            // Look up the volume on the source primary storage pool
            final VDI srcVdi = getVDIbyUuid(conn, srcVolume.getPath());
            // Copy the volume to secondary storage
            task = srcVdi.copyAsync(conn, secondaryStorage, null, null);
            // poll every 1 seconds ,
            hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
            hypervisorResource.checkForSuccess(conn, task);
            final VDI destVdi = Types.toVDI(task, conn);
            final String destVolumeUUID = destVdi.getUuid(conn);
            final VolumeObjectTO newVol = new VolumeObjectTO();
            newVol.setPath(destVolume.getPath() + File.separator + destVolumeUUID + ".vhd");
            newVol.setSize(srcVolume.getSize());
            return new CopyCmdAnswer(newVol);
        } catch (final Exception e) {
            s_logger.debug("Failed to copy volume to secondary: " + e.toString());
            return new CopyCmdAnswer("Failed to copy volume to secondary: " + e.toString());
        } finally {
            if (task != null) {
                try {
                    task.destroy(conn);
                } catch (final Exception e) {
                    s_logger.warn("unable to destroy task(" + task.toWireString() + ") due to " + e.toString());
                }
            }
            hypervisorResource.removeSR(conn, secondaryStorage);
        }
    }
    return new CopyCmdAnswer("unsupported protocol");
}