Examples with NfsTO com.cloud.agent.api.to.NfsTO used on opensource projects

Example 76 with NfsTO

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

the class LibvirtComputingResource method getVolumePath.

public String getVolumePath(final Connect conn, final DiskTO volume) throws LibvirtException, URISyntaxException {
    final DataTO data = volume.getData();
    final DataStoreTO store = data.getDataStore();
    if (volume.getType() == Volume.Type.ISO && data.getPath() != null) {
        final NfsTO nfsStore = (NfsTO) store;
        final String isoPath = nfsStore.getUrl() + File.separator + data.getPath();
        final int index = isoPath.lastIndexOf("/");
        final String path = isoPath.substring(0, index);
        final String name = isoPath.substring(index + 1);
        final KVMStoragePool secondaryPool = _storagePoolMgr.getStoragePoolByURI(path);
        final KVMPhysicalDisk isoVol = secondaryPool.getPhysicalDisk(name);
        return isoVol.getPath();
    } else {
        return data.getPath();
    }
}

Example 77 with NfsTO

use of com.cloud.agent.api.to.NfsTO in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method dettachIso.

@Override
public Answer dettachIso(final DettachCommand cmd) {
    final DiskTO disk = cmd.getDisk();
    final TemplateObjectTO isoTo = (TemplateObjectTO) disk.getData();
    final DataStoreTO store = isoTo.getDataStore();
    if (!(store instanceof NfsTO)) {
        return new AttachAnswer("unsupported protocol");
    }
    final NfsTO nfsStore = (NfsTO) store;
    try {
        final Connect conn = LibvirtConnection.getConnectionByVmName(cmd.getVmName());
        attachOrDetachIso(conn, cmd.getVmName(), nfsStore.getUrl() + File.separator + isoTo.getPath(), false);
    } catch (final LibvirtException e) {
        return new Answer(cmd, false, e.toString());
    } catch (final URISyntaxException e) {
        return new Answer(cmd, false, e.toString());
    } catch (final InternalErrorException e) {
        return new Answer(cmd, false, e.toString());
    }
    return new Answer(cmd);
}

Example 78 with NfsTO

use of com.cloud.agent.api.to.NfsTO in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method attachIso.

@Override
public Answer attachIso(final AttachCommand cmd) {
    final DiskTO disk = cmd.getDisk();
    final TemplateObjectTO isoTo = (TemplateObjectTO) disk.getData();
    final DataStoreTO store = isoTo.getDataStore();
    if (!(store instanceof NfsTO)) {
        return new AttachAnswer("unsupported protocol");
    }
    final NfsTO nfsStore = (NfsTO) store;
    try {
        final Connect conn = LibvirtConnection.getConnectionByVmName(cmd.getVmName());
        attachOrDetachIso(conn, cmd.getVmName(), nfsStore.getUrl() + File.separator + isoTo.getPath(), true);
    } catch (final LibvirtException | URISyntaxException | InternalErrorException e) {
        return new Answer(cmd, false, e.toString());
    }
    return new Answer(cmd);
}

Example 79 with NfsTO

use of com.cloud.agent.api.to.NfsTO 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);
        }
    }
}

Example 80 with NfsTO

use of com.cloud.agent.api.to.NfsTO in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method createVolumeFromSnapshot.

@Override
public Answer createVolumeFromSnapshot(final CopyCommand cmd) {
    try {
        final DataTO srcData = cmd.getSrcTO();
        final SnapshotObjectTO snapshot = (SnapshotObjectTO) srcData;
        final DataTO destData = cmd.getDestTO();
        final PrimaryDataStoreTO pool = (PrimaryDataStoreTO) destData.getDataStore();
        final DataStoreTO imageStore = srcData.getDataStore();
        final VolumeObjectTO volume = snapshot.getVolume();
        if (!(imageStore instanceof NfsTO)) {
            return new CopyCmdAnswer("unsupported protocol");
        }
        final NfsTO nfsImageStore = (NfsTO) imageStore;
        final String snapshotFullPath = snapshot.getPath();
        final int index = snapshotFullPath.lastIndexOf("/");
        final String snapshotPath = snapshotFullPath.substring(0, index);
        final String snapshotName = snapshotFullPath.substring(index + 1);
        final KvmStoragePool secondaryPool = storagePoolMgr.getStoragePoolByUri(nfsImageStore.getUrl() + File.separator + snapshotPath);
        final KvmPhysicalDisk snapshotDisk = secondaryPool.getPhysicalDisk(snapshotName);
        if (volume.getFormat() == ImageFormat.RAW) {
            snapshotDisk.setFormat(PhysicalDiskFormat.RAW);
        } else if (volume.getFormat() == ImageFormat.QCOW2) {
            snapshotDisk.setFormat(PhysicalDiskFormat.QCOW2);
        }
        final String primaryUuid = pool.getUuid();
        final KvmStoragePool primaryPool = storagePoolMgr.getStoragePool(pool.getPoolType(), primaryUuid);
        final String volUuid = UUID.randomUUID().toString();
        final KvmPhysicalDisk disk = storagePoolMgr.copyPhysicalDisk(snapshotDisk, volUuid, primaryPool, cmd.getWaitInMillSeconds());
        final VolumeObjectTO newVol = new VolumeObjectTO();
        newVol.setPath(disk.getName());
        newVol.setSize(disk.getVirtualSize());
        newVol.setFormat(ImageFormat.valueOf(disk.getFormat().toString().toUpperCase()));
        return new CopyCmdAnswer(newVol);
    } catch (final CloudRuntimeException e) {
        logger.debug("Failed to createVolumeFromSnapshot: ", e);
        return new CopyCmdAnswer(e.toString());
    }
}