Examples with SnapshotObjectTO com.cloud.storage.to.SnapshotObjectTO used on opensource projects

Example 6 with SnapshotObjectTO

use of com.cloud.storage.to.SnapshotObjectTO in project cosmic by MissionCriticalCloud.

the class XenServerStorageProcessor method deleteSnapshot.

@Override
public Answer deleteSnapshot(final DeleteCommand cmd) {
    final SnapshotObjectTO snapshot = (SnapshotObjectTO) cmd.getData();
    final DataStoreTO store = snapshot.getDataStore();
    if (store.getRole() == DataStoreRole.Primary) {
        final Connection conn = hypervisorResource.getConnection();
        final VDI snapshotVdi = getVDIbyUuid(conn, snapshot.getPath());
        if (snapshotVdi == null) {
            return new Answer(null);
        }
        String errMsg = null;
        try {
            deleteVDI(conn, snapshotVdi);
        } catch (final BadServerResponse e) {
            s_logger.debug("delete snapshot failed:" + e.toString());
            errMsg = e.toString();
        } catch (final XenAPIException e) {
            s_logger.debug("delete snapshot failed:" + e.toString());
            errMsg = e.toString();
        } catch (final XmlRpcException e) {
            s_logger.debug("delete snapshot failed:" + e.toString());
            errMsg = e.toString();
        }
        return new Answer(cmd, false, errMsg);
    }
    return new Answer(cmd, false, "unsupported storage type");
}

Example 7 with SnapshotObjectTO

use of com.cloud.storage.to.SnapshotObjectTO in project cosmic by MissionCriticalCloud.

the class Xenserver625StorageProcessor method backupSnapshot.

@Override
public Answer backupSnapshot(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final DataTO srcData = cmd.getSrcTO();
    final DataTO cacheData = cmd.getCacheTO();
    final DataTO destData = cmd.getDestTO();
    final int wait = cmd.getWait();
    final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) srcData.getDataStore();
    final String primaryStorageNameLabel = primaryStore.getUuid();
    String secondaryStorageUrl = null;
    NfsTO cacheStore = null;
    String destPath = null;
    if (cacheData != null) {
        cacheStore = (NfsTO) cacheData.getDataStore();
        secondaryStorageUrl = cacheStore.getUrl();
        destPath = cacheData.getPath();
    } else {
        cacheStore = (NfsTO) destData.getDataStore();
        secondaryStorageUrl = cacheStore.getUrl();
        destPath = destData.getPath();
    }
    final SnapshotObjectTO snapshotTO = (SnapshotObjectTO) srcData;
    final SnapshotObjectTO snapshotOnImage = (SnapshotObjectTO) destData;
    final String snapshotUuid = snapshotTO.getPath();
    final String prevBackupUuid = snapshotOnImage.getParentSnapshotPath();
    final String prevSnapshotUuid = snapshotTO.getParentSnapshotPath();
    final Map<String, String> options = cmd.getOptions();
    // By default assume failure
    String details = null;
    String snapshotBackupUuid = null;
    final boolean fullbackup = Boolean.parseBoolean(options.get("fullSnapshot"));
    Long physicalSize = null;
    try {
        final SR primaryStorageSR = hypervisorResource.getSRByNameLabelandHost(conn, primaryStorageNameLabel);
        if (primaryStorageSR == null) {
            throw new InternalErrorException("Could not backup snapshot because the primary Storage SR could not be created from the name label: " + primaryStorageNameLabel);
        }
        // String psUuid = primaryStorageSR.getUuid(conn);
        final Boolean isISCSI = IsISCSI(primaryStorageSR.getType(conn));
        final VDI snapshotVdi = getVDIbyUuid(conn, snapshotUuid);
        final String snapshotPaUuid = null;
        final URI uri = new URI(secondaryStorageUrl);
        final String secondaryStorageMountPath = uri.getHost() + ":" + uri.getPath();
        final DataStoreTO destStore = destData.getDataStore();
        final String folder = destPath;
        String finalPath = null;
        final String localMountPoint = BaseMountPointOnHost + File.separator + UUID.nameUUIDFromBytes(secondaryStorageUrl.getBytes()).toString();
        if (fullbackup) {
            SR snapshotSr = null;
            Task task = null;
            try {
                final String localDir = "/var/cloud_mount/" + UUID.nameUUIDFromBytes(secondaryStorageMountPath.getBytes());
                mountNfs(conn, secondaryStorageMountPath, localDir);
                final boolean result = makeDirectory(conn, localDir + "/" + folder);
                if (!result) {
                    details = " Filed to create folder " + folder + " in secondary storage";
                    s_logger.warn(details);
                    return new CopyCmdAnswer(details);
                }
                snapshotSr = createFileSr(conn, secondaryStorageMountPath, folder);
                task = snapshotVdi.copyAsync(conn, snapshotSr, null, null);
                // poll every 1 seconds ,
                hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
                hypervisorResource.checkForSuccess(conn, task);
                final VDI backedVdi = Types.toVDI(task, conn);
                snapshotBackupUuid = backedVdi.getUuid(conn);
                physicalSize = backedVdi.getPhysicalUtilisation(conn);
                finalPath = folder + File.separator + snapshotBackupUuid;
            } 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());
                    }
                }
                if (snapshotSr != null) {
                    hypervisorResource.removeSR(conn, snapshotSr);
                }
            }
        } else {
            final String primaryStorageSRUuid = primaryStorageSR.getUuid(conn);
            final String result = backupSnapshot(conn, primaryStorageSRUuid, localMountPoint, folder, secondaryStorageMountPath, snapshotUuid, prevBackupUuid, prevSnapshotUuid, isISCSI, wait);
            final String[] tmp = result.split("#");
            snapshotBackupUuid = tmp[0];
            physicalSize = Long.parseLong(tmp[1]);
            finalPath = folder + File.separator + snapshotBackupUuid;
        }
        final String volumeUuid = snapshotTO.getVolume().getPath();
        destroySnapshotOnPrimaryStorageExceptThis(conn, volumeUuid, snapshotUuid);
        final SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
        newSnapshot.setPath(finalPath);
        newSnapshot.setPhysicalSize(physicalSize);
        if (fullbackup) {
            newSnapshot.setParentSnapshotPath(null);
        } else {
            newSnapshot.setParentSnapshotPath(prevBackupUuid);
        }
        return new CopyCmdAnswer(newSnapshot);
    } catch (final Types.XenAPIException e) {
        details = "BackupSnapshot Failed due to " + e.toString();
        s_logger.warn(details, e);
    } catch (final Exception e) {
        details = "BackupSnapshot Failed due to " + e.getMessage();
        s_logger.warn(details, e);
    }
    return new CopyCmdAnswer(details);
}

Example 8 with SnapshotObjectTO

use of com.cloud.storage.to.SnapshotObjectTO in project cosmic by MissionCriticalCloud.

the class CloudStackPrimaryDataStoreDriverImpl method takeSnapshot.

@Override
public void takeSnapshot(final SnapshotInfo snapshot, final AsyncCompletionCallback<CreateCmdResult> callback) {
    CreateCmdResult result = null;
    try {
        final SnapshotObjectTO snapshotTO = (SnapshotObjectTO) snapshot.getTO();
        final Object payload = snapshot.getPayload();
        if (payload != null && payload instanceof CreateSnapshotPayload) {
            final CreateSnapshotPayload snapshotPayload = (CreateSnapshotPayload) payload;
            snapshotTO.setQuiescevm(snapshotPayload.getQuiescevm());
        }
        final CreateObjectCommand cmd = new CreateObjectCommand(snapshotTO);
        final EndPoint ep = epSelector.select(snapshot, StorageAction.TAKESNAPSHOT);
        Answer answer = null;
        if (ep == null) {
            final String errMsg = "No remote endpoint to send createObjectCommand, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(cmd, false, errMsg);
        } else {
            answer = ep.sendMessage(cmd);
        }
        result = new CreateCmdResult(null, answer);
        if (answer != null && !answer.getResult()) {
            result.setResult(answer.getDetails());
        }
        callback.complete(result);
        return;
    } catch (final Exception e) {
        s_logger.debug("Failed to take snapshot: " + snapshot.getId(), e);
        result = new CreateCmdResult(null, null);
        result.setResult(e.toString());
    }
    callback.complete(result);
}

Example 9 with SnapshotObjectTO

use of com.cloud.storage.to.SnapshotObjectTO in project cosmic by MissionCriticalCloud.

the class NfsSecondaryStorageResource method postProcessing.

protected CopyCmdAnswer postProcessing(final File destFile, final String downloadPath, final String destPath, final DataTO srcData, final DataTO destData) throws ConfigurationException {
    if (destData.getObjectType() == DataObjectType.SNAPSHOT) {
        final SnapshotObjectTO snapshot = new SnapshotObjectTO();
        snapshot.setPath(destPath + File.separator + destFile.getName());
        final CopyCmdAnswer answer = new CopyCmdAnswer(snapshot);
        return answer;
    }
    // do post processing to unzip the file if it is compressed
    final String scriptsDir = "scripts/storage/secondary";
    final String createTmpltScr = Script.findScript(scriptsDir, "createtmplt.sh");
    if (createTmpltScr == null) {
        throw new ConfigurationException("Unable to find createtmplt.sh");
    }
    s_logger.info("createtmplt.sh found in " + createTmpltScr);
    final String createVolScr = Script.findScript(scriptsDir, "createvolume.sh");
    if (createVolScr == null) {
        throw new ConfigurationException("Unable to find createvolume.sh");
    }
    s_logger.info("createvolume.sh found in " + createVolScr);
    final String script = srcData.getObjectType() == DataObjectType.TEMPLATE ? createTmpltScr : createVolScr;
    final int installTimeoutPerGig = 180 * 60 * 1000;
    long imgSizeGigs = (long) Math.ceil(destFile.length() * 1.0d / (1024 * 1024 * 1024));
    // add one just in case
    imgSizeGigs++;
    final long timeout = imgSizeGigs * installTimeoutPerGig;
    final String origPath = destFile.getAbsolutePath();
    String extension = null;
    if (srcData.getObjectType() == DataObjectType.TEMPLATE) {
        extension = ((TemplateObjectTO) srcData).getFormat().getFileExtension();
    } else if (srcData.getObjectType() == DataObjectType.VOLUME) {
        extension = ((VolumeObjectTO) srcData).getFormat().getFileExtension();
    }
    final String templateName = UUID.randomUUID().toString();
    final String templateFilename = templateName + "." + extension;
    final Script scr = new Script(script, timeout, s_logger);
    // not used for now
    scr.add("-s", Long.toString(imgSizeGigs));
    scr.add("-n", templateFilename);
    scr.add("-t", downloadPath);
    // this is the temporary
    scr.add("-f", origPath);
    // template file downloaded
    final String result;
    result = scr.execute();
    if (result != null) {
        // script execution failure
        throw new CloudRuntimeException("Failed to run script " + script);
    }
    final String finalFileName = templateFilename;
    final String finalDownloadPath = destPath + File.separator + templateFilename;
    // compute the size of
    final long size = _storage.getSize(downloadPath + File.separator + templateFilename);
    DataTO newDestTO = null;
    if (destData.getObjectType() == DataObjectType.TEMPLATE) {
        final TemplateObjectTO newTemplTO = new TemplateObjectTO();
        newTemplTO.setPath(finalDownloadPath);
        newTemplTO.setName(finalFileName);
        newTemplTO.setSize(size);
        newTemplTO.setPhysicalSize(size);
        newDestTO = newTemplTO;
    } else {
        final VolumeObjectTO newVolTO = new VolumeObjectTO();
        newVolTO.setPath(finalDownloadPath);
        newVolTO.setName(finalFileName);
        newVolTO.setSize(size);
        newDestTO = newVolTO;
    }
    return new CopyCmdAnswer(newDestTO);
}

Example 10 with SnapshotObjectTO

use of com.cloud.storage.to.SnapshotObjectTO in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method backupSnapshot.

@Override
public Answer backupSnapshot(final CopyCommand cmd) {
    final DataTO srcData = cmd.getSrcTO();
    final DataTO destData = cmd.getDestTO();
    final SnapshotObjectTO snapshot = (SnapshotObjectTO) srcData;
    final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) snapshot.getDataStore();
    final SnapshotObjectTO destSnapshot = (SnapshotObjectTO) destData;
    final DataStoreTO imageStore = destData.getDataStore();
    final NfsTO nfsImageStore = (NfsTO) imageStore;
    final String secondaryStoragePoolUrl = nfsImageStore.getUrl();
    // NOTE: snapshot name is encoded in snapshot path
    final int index = snapshot.getPath().lastIndexOf("/");
    // -1 means the snapshot is created from existing vm snapshot
    final boolean isCreatedFromVmSnapshot = index == -1;
    final String snapshotName = snapshot.getPath().substring(index + 1);
    String descName = snapshotName;
    final String volumePath = snapshot.getVolume().getPath();
    String snapshotDestPath;
    String snapshotRelPath;
    final String vmName = snapshot.getVmName();
    KvmStoragePool secondaryStoragePool = null;
    Connect conn = null;
    KvmPhysicalDisk snapshotDisk = null;
    KvmStoragePool primaryPool = null;
    try {
        conn = LibvirtConnection.getConnectionByVmName(vmName);
        secondaryStoragePool = storagePoolMgr.getStoragePoolByUri(secondaryStoragePoolUrl);
        final String ssPmountPath = secondaryStoragePool.getLocalPath();
        snapshotRelPath = destSnapshot.getPath();
        snapshotDestPath = ssPmountPath + File.separator + snapshotRelPath;
        snapshotDisk = storagePoolMgr.getPhysicalDisk(primaryStore.getPoolType(), primaryStore.getUuid(), volumePath);
        primaryPool = snapshotDisk.getPool();
        long size = 0;
        if (primaryPool.getType() == StoragePoolType.RBD) {
            final String rbdSnapshot = snapshotDisk.getPath() + "@" + snapshotName;
            final String snapshotFile = snapshotDestPath + "/" + snapshotName;
            try {
                logger.debug("Attempting to backup RBD snapshot " + rbdSnapshot);
                final File snapDir = new File(snapshotDestPath);
                logger.debug("Attempting to create " + snapDir.getAbsolutePath() + " recursively for snapshot storage");
                FileUtils.forceMkdir(snapDir);
                final QemuImgFile srcFile = new QemuImgFile(KvmPhysicalDisk.rbdStringBuilder(primaryPool.getSourceHost(), primaryPool.getSourcePort(), primaryPool.getAuthUserName(), primaryPool.getAuthSecret(), rbdSnapshot));
                srcFile.setFormat(snapshotDisk.getFormat());
                final QemuImgFile destFile = new QemuImgFile(snapshotFile);
                destFile.setFormat(PhysicalDiskFormat.QCOW2);
                logger.debug("Backing up RBD snapshot " + rbdSnapshot + " to " + snapshotFile);
                final QemuImg q = new QemuImg(cmd.getWaitInMillSeconds());
                q.convert(srcFile, destFile);
                final File snapFile = new File(snapshotFile);
                if (snapFile.exists()) {
                    size = snapFile.length();
                }
                logger.debug("Finished backing up RBD snapshot " + rbdSnapshot + " to " + snapshotFile + " Snapshot size: " + size);
            } catch (final FileNotFoundException e) {
                logger.error("Failed to open " + snapshotDestPath + ". The error was: " + e.getMessage());
                return new CopyCmdAnswer(e.toString());
            } catch (final IOException e) {
                logger.error("Failed to create " + snapshotDestPath + ". The error was: " + e.getMessage());
                return new CopyCmdAnswer(e.toString());
            } catch (final QemuImgException e) {
                logger.error("Failed to backup the RBD snapshot from " + rbdSnapshot + " to " + snapshotFile + " the error was: " + e.getMessage());
                return new CopyCmdAnswer(e.toString());
            }
        } else {
            final Script command = new Script(manageSnapshotPath, cmd.getWaitInMillSeconds(), logger);
            command.add("-b", snapshotDisk.getPath());
            command.add("-n", snapshotName);
            command.add("-p", snapshotDestPath);
            if (isCreatedFromVmSnapshot) {
                descName = UUID.randomUUID().toString();
            }
            command.add("-t", descName);
            final String result = command.execute();
            if (result != null) {
                logger.debug("Failed to backup snaptshot: " + result);
                return new CopyCmdAnswer(result);
            }
            final File snapFile = new File(snapshotDestPath + "/" + descName);
            if (snapFile.exists()) {
                size = snapFile.length();
            }
        }
        final SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
        newSnapshot.setPath(snapshotRelPath + File.separator + descName);
        newSnapshot.setPhysicalSize(size);
        return new CopyCmdAnswer(newSnapshot);
    } catch (final LibvirtException | CloudRuntimeException e) {
        logger.debug("Failed to backup snapshot: ", e);
        return new CopyCmdAnswer(e.toString());
    } finally {
        if (isCreatedFromVmSnapshot) {
            logger.debug("Ignoring removal of vm snapshot on primary as this snapshot is created from vm snapshot");
        } else {
            try {
                /* Delete the snapshot on primary */
                DomainState state = null;
                Domain vm = null;
                if (vmName != null) {
                    try {
                        vm = resource.getDomain(conn, vmName);
                        state = vm.getInfo().state;
                    } catch (final LibvirtException e) {
                        logger.trace("Ignoring libvirt error.", e);
                    }
                }
                final KvmStoragePool primaryStorage = storagePoolMgr.getStoragePool(primaryStore.getPoolType(), primaryStore.getUuid());
                if (state == DomainState.VIR_DOMAIN_RUNNING && !primaryStorage.isExternalSnapshot()) {
                    final DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
                    snap.delete(0);
                    /*
                         * libvirt on RHEL6 doesn't handle resume event emitted from
                         * qemu
                         */
                    vm = resource.getDomain(conn, vmName);
                    state = vm.getInfo().state;
                    if (state == DomainInfo.DomainState.VIR_DOMAIN_PAUSED) {
                        vm.resume();
                    }
                } else {
                    if (primaryPool.getType() != StoragePoolType.RBD) {
                        final Script command = new Script(manageSnapshotPath, cmdsTimeout, logger);
                        command.add("-d", snapshotDisk.getPath());
                        command.add("-n", snapshotName);
                        final String result = command.execute();
                        if (result != null) {
                            logger.debug("Failed to delete snapshot on primary: " + result);
                        // return new CopyCmdAnswer("Failed to backup snapshot: " + result);
                        }
                    }
                }
            } catch (final Exception ex) {
                logger.debug("Failed to delete snapshots on primary", ex);
            }
        }
        try {
            if (secondaryStoragePool != null) {
                secondaryStoragePool.delete();
            }
        } catch (final Exception ex) {
            logger.debug("Failed to delete secondary storage", ex);
        }
    }
}