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

Example 6 with BackupSnapshotAnswer

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

the class MockStorageManagerImpl method BackupSnapshot.

@Override
public BackupSnapshotAnswer BackupSnapshot(BackupSnapshotCommand cmd, SimulatorInfo info) {
    // emulate xenserver backupsnapshot, if the base volume is deleted, then
    // backupsnapshot failed
    MockVolumeVO volume = null;
    MockVolumeVO snapshot = null;
    MockSecStorageVO secStorage = null;
    TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.SIMULATOR_DB);
    try {
        txn.start();
        volume = _mockVolumeDao.findByStoragePathAndType(cmd.getVolumePath());
        if (volume == null) {
            return new BackupSnapshotAnswer(cmd, false, "Can't find base volume: " + cmd.getVolumePath(), null, true);
        }
        String snapshotPath = cmd.getSnapshotUuid();
        snapshot = _mockVolumeDao.findByStoragePathAndType(snapshotPath);
        if (snapshot == null) {
            return new BackupSnapshotAnswer(cmd, false, "can't find snapshot" + snapshotPath, null, true);
        }
        String secStorageUrl = cmd.getSecondaryStorageUrl();
        secStorage = _mockSecStorageDao.findByUrl(secStorageUrl);
        if (secStorage == null) {
            return new BackupSnapshotAnswer(cmd, false, "can't find sec storage" + snapshotPath, null, true);
        }
        txn.commit();
    } catch (Exception ex) {
        txn.rollback();
        throw new CloudRuntimeException("Error when backing up snapshot");
    } finally {
        txn.close();
        txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB);
        txn.close();
    }
    MockVolumeVO newsnapshot = new MockVolumeVO();
    String name = UUID.randomUUID().toString();
    newsnapshot.setName(name);
    newsnapshot.setPath(secStorage.getMountPoint() + name);
    newsnapshot.setPoolId(secStorage.getId());
    newsnapshot.setSize(snapshot.getSize());
    newsnapshot.setStatus(Status.DOWNLOADED);
    newsnapshot.setType(MockVolumeType.SNAPSHOT);
    txn = TransactionLegacy.open(TransactionLegacy.SIMULATOR_DB);
    try {
        txn.start();
        snapshot = _mockVolumeDao.persist(snapshot);
        txn.commit();
    } catch (Exception ex) {
        txn.rollback();
        throw new CloudRuntimeException("Error when backing up snapshot " + newsnapshot, ex);
    } finally {
        txn.close();
        txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB);
        txn.close();
    }
    return new BackupSnapshotAnswer(cmd, true, null, newsnapshot.getName(), true);
}

Example 7 with BackupSnapshotAnswer

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

the class VmwareStorageManagerImpl method execute.

@Override
@Deprecated
public Answer execute(VmwareHostService hostService, BackupSnapshotCommand cmd) {
    Long accountId = cmd.getAccountId();
    Long volumeId = cmd.getVolumeId();
    String secondaryStorageUrl = cmd.getSecondaryStorageUrl();
    // not null: Precondition.
    String snapshotUuid = cmd.getSnapshotUuid();
    String prevSnapshotUuid = cmd.getPrevSnapshotUuid();
    String prevBackupUuid = cmd.getPrevBackupUuid();
    String searchExcludedFolders = cmd.getContextParam("searchexludefolders");
    VirtualMachineMO workerVm = null;
    String workerVMName = null;
    String volumePath = cmd.getVolumePath();
    ManagedObjectReference morDs = null;
    DatastoreMO dsMo = null;
    // By default assume failure
    String details = null;
    boolean success = false;
    String snapshotBackupUuid = null;
    VmwareContext context = hostService.getServiceContext(cmd);
    VirtualMachineMO vmMo = null;
    try {
        VmwareHypervisorHost hyperHost = hostService.getHyperHost(context, cmd);
        morDs = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, cmd.getPool().getUuid());
        try {
            vmMo = hyperHost.findVmOnHyperHost(cmd.getVmName());
            if (vmMo == null) {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("Unable to find owner VM for BackupSnapshotCommand on host " + hyperHost.getHyperHostName() + ", will try within datacenter");
                }
                vmMo = hyperHost.findVmOnPeerHyperHost(cmd.getVmName());
                if (vmMo == null) {
                    dsMo = new DatastoreMO(hyperHost.getContext(), morDs);
                    workerVMName = hostService.getWorkerName(context, cmd, 0, dsMo);
                    vmMo = HypervisorHostHelper.createWorkerVM(hyperHost, dsMo, workerVMName, null);
                    if (vmMo == null) {
                        throw new Exception("Failed to find the newly create or relocated VM. vmName: " + workerVMName);
                    }
                    workerVm = vmMo;
                    // attach volume to worker VM
                    String datastoreVolumePath = getVolumePathInDatastore(dsMo, volumePath + ".vmdk", searchExcludedFolders);
                    vmMo.attachDisk(new String[] { datastoreVolumePath }, morDs);
                }
            }
            if (!vmMo.createSnapshot(snapshotUuid, "Snapshot taken for " + cmd.getSnapshotName(), false, false)) {
                throw new Exception("Failed to take snapshot " + cmd.getSnapshotName() + " on vm: " + cmd.getVmName());
            }
            snapshotBackupUuid = backupSnapshotToSecondaryStorage(vmMo, accountId, volumeId, cmd.getVolumePath(), snapshotUuid, secondaryStorageUrl, prevSnapshotUuid, prevBackupUuid, hostService.getWorkerName(context, cmd, 1, dsMo), cmd.getNfsVersion());
            success = (snapshotBackupUuid != null);
            if (success) {
                details = "Successfully backedUp the snapshotUuid: " + snapshotUuid + " to secondary storage.";
            }
        } finally {
            if (vmMo != null) {
                ManagedObjectReference snapshotMor = vmMo.getSnapshotMor(snapshotUuid);
                if (snapshotMor != null) {
                    vmMo.removeSnapshot(snapshotUuid, false);
                }
            }
            try {
                if (workerVm != null) {
                    workerVm.detachAllDisksAndDestroy();
                }
            } catch (Throwable e) {
                s_logger.warn(String.format("Failed to destroy worker VM [%s] due to: [%s].", workerVMName, e.getMessage()), e);
            }
        }
    } catch (Throwable e) {
        return new BackupSnapshotAnswer(cmd, false, hostService.createLogMessageException(e, cmd), snapshotBackupUuid, true);
    }
    return new BackupSnapshotAnswer(cmd, success, details, snapshotBackupUuid, true);
}

Example 8 with BackupSnapshotAnswer

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

the class VmwareResource method execute.

protected Answer execute(BackupSnapshotCommand cmd) {
    try {
        VmwareContext context = getServiceContext();
        VmwareManager mgr = context.getStockObject(VmwareManager.CONTEXT_STOCK_NAME);
        return mgr.getStorageManager().execute(this, cmd);
    } catch (Throwable e) {
        return new BackupSnapshotAnswer(cmd, false, createLogMessageException(e, cmd), null, true);
    }
}

Example 9 with BackupSnapshotAnswer

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

the class LibvirtBackupSnapshotCommandWrapper method execute.

@Override
public Answer execute(final BackupSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final Long dcId = command.getDataCenterId();
    final Long accountId = command.getAccountId();
    final Long volumeId = command.getVolumeId();
    final String secondaryStoragePoolUrl = command.getSecondaryStorageUrl();
    final String snapshotName = command.getSnapshotName();
    String snapshotDestPath = null;
    String snapshotRelPath = null;
    final String vmName = command.getVmName();
    KVMStoragePool secondaryStoragePool = null;
    final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
        secondaryStoragePool = storagePoolMgr.getStoragePoolByURI(secondaryStoragePoolUrl);
        final String ssPmountPath = secondaryStoragePool.getLocalPath();
        snapshotRelPath = File.separator + "snapshots" + File.separator + dcId + File.separator + accountId + File.separator + volumeId;
        snapshotDestPath = ssPmountPath + File.separator + "snapshots" + File.separator + dcId + File.separator + accountId + File.separator + volumeId;
        final KVMStoragePool primaryPool = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPrimaryStoragePoolNameLabel());
        final KVMPhysicalDisk snapshotDisk = primaryPool.getPhysicalDisk(command.getVolumePath());
        final String manageSnapshotPath = libvirtComputingResource.manageSnapshotPath();
        final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout();
        /**
         * RBD snapshots can't be copied using qemu-img, so we have to use
         * the Java bindings for librbd here.
         *
         * These bindings will read the snapshot and write the contents to
         * the secondary storage directly
         *
         * It will stop doing so if the amount of time spend is longer then
         * cmds.timeout
         */
        if (primaryPool.getType() == StoragePoolType.RBD) {
            try {
                final Rados r = new Rados(primaryPool.getAuthUserName());
                r.confSet("mon_host", primaryPool.getSourceHost() + ":" + primaryPool.getSourcePort());
                r.confSet("key", primaryPool.getAuthSecret());
                r.confSet("client_mount_timeout", "30");
                r.connect();
                s_logger.debug("Succesfully connected to Ceph cluster at " + r.confGet("mon_host"));
                final IoCTX io = r.ioCtxCreate(primaryPool.getSourceDir());
                final Rbd rbd = new Rbd(io);
                final RbdImage image = rbd.open(snapshotDisk.getName(), snapshotName);
                final File fh = new File(snapshotDestPath);
                try (BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(fh))) {
                    final int chunkSize = 4194304;
                    long offset = 0;
                    s_logger.debug("Backuping up RBD snapshot " + snapshotName + " to  " + snapshotDestPath);
                    while (true) {
                        final byte[] buf = new byte[chunkSize];
                        final int bytes = image.read(offset, buf, chunkSize);
                        if (bytes <= 0) {
                            break;
                        }
                        bos.write(buf, 0, bytes);
                        offset += bytes;
                    }
                    s_logger.debug("Completed backing up RBD snapshot " + snapshotName + " to  " + snapshotDestPath + ". Bytes written: " + toHumanReadableSize(offset));
                } catch (final IOException ex) {
                    s_logger.error("BackupSnapshotAnswer:Exception:" + ex.getMessage());
                }
                r.ioCtxDestroy(io);
            } catch (final RadosException e) {
                s_logger.error("A RADOS operation failed. The error was: " + e.getMessage());
                return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
            } catch (final RbdException e) {
                s_logger.error("A RBD operation on " + snapshotDisk.getName() + " failed. The error was: " + e.getMessage());
                return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
            }
        } else {
            final Script scriptCommand = new Script(manageSnapshotPath, cmdsTimeout, s_logger);
            scriptCommand.add("-b", snapshotDisk.getPath());
            scriptCommand.add("-n", snapshotName);
            scriptCommand.add("-p", snapshotDestPath);
            scriptCommand.add("-t", snapshotName);
            final String result = scriptCommand.execute();
            if (result != null) {
                s_logger.debug("Failed to backup snaptshot: " + result);
                return new BackupSnapshotAnswer(command, false, result, null, true);
            }
        }
        /* Delete the snapshot on primary */
        DomainState state = null;
        Domain vm = null;
        if (vmName != null) {
            try {
                vm = libvirtComputingResource.getDomain(conn, command.getVmName());
                state = vm.getInfo().state;
            } catch (final LibvirtException e) {
                s_logger.trace("Ignoring libvirt error.", e);
            }
        }
        final KVMStoragePool primaryStorage = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPool().getUuid());
        if (state == DomainState.VIR_DOMAIN_RUNNING && !primaryStorage.isExternalSnapshot()) {
            final MessageFormat snapshotXML = new MessageFormat("   <domainsnapshot>" + "       <name>{0}</name>" + "          <domain>" + "            <uuid>{1}</uuid>" + "        </domain>" + "    </domainsnapshot>");
            final String vmUuid = vm.getUUIDString();
            final Object[] args = new Object[] { snapshotName, vmUuid };
            final String snapshot = snapshotXML.format(args);
            s_logger.debug(snapshot);
            final DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
            if (snap != null) {
                snap.delete(0);
            } else {
                throw new CloudRuntimeException("Unable to find vm snapshot with name -" + snapshotName);
            }
            /*
                 * libvirt on RHEL6 doesn't handle resume event emitted from
                 * qemu
                 */
            vm = libvirtComputingResource.getDomain(conn, command.getVmName());
            state = vm.getInfo().state;
            if (state == DomainState.VIR_DOMAIN_PAUSED) {
                vm.resume();
            }
        } else {
            final Script scriptCommand = new Script(manageSnapshotPath, cmdsTimeout, s_logger);
            scriptCommand.add("-d", snapshotDisk.getPath());
            scriptCommand.add("-n", snapshotName);
            final String result = scriptCommand.execute();
            if (result != null) {
                s_logger.debug("Failed to backup snapshot: " + result);
                return new BackupSnapshotAnswer(command, false, "Failed to backup snapshot: " + result, null, true);
            }
        }
    } catch (final LibvirtException e) {
        return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
    } catch (final CloudRuntimeException e) {
        return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
    } finally {
        if (secondaryStoragePool != null) {
            storagePoolMgr.deleteStoragePool(secondaryStoragePool.getType(), secondaryStoragePool.getUuid());
        }
    }
    return new BackupSnapshotAnswer(command, true, null, snapshotRelPath + File.separator + snapshotName, true);
}