Examples with PrimaryDataStoreTO com.cloud.legacymodel.to.PrimaryDataStoreTO used on opensource projects

Example 16 with PrimaryDataStoreTO

use of com.cloud.legacymodel.to.PrimaryDataStoreTO in project cosmic by MissionCriticalCloud.

the class KvmStoragePoolManager method connectPhysicalDisksViaVmSpec.

public boolean connectPhysicalDisksViaVmSpec(final VirtualMachineTO vmSpec) {
    boolean result = false;
    final String vmName = vmSpec.getName();
    final List<DiskTO> disks = Arrays.asList(vmSpec.getDisks());
    for (final DiskTO disk : disks) {
        if (disk.getType() != VolumeType.ISO) {
            final VolumeObjectTO vol = (VolumeObjectTO) disk.getData();
            final PrimaryDataStoreTO store = (PrimaryDataStoreTO) vol.getDataStore();
            final KvmStoragePool pool = getStoragePool(store.getPoolType(), store.getUuid());
            final StorageAdaptor adaptor = getStorageAdaptor(pool.getType());
            result = adaptor.connectPhysicalDisk(vol.getPath(), pool, disk.getDetails());
            if (!result) {
                s_logger.error("Failed to connect disks via vm spec for vm: " + vmName + " volume:" + vol.toString());
                return result;
            }
        }
    }
    return result;
}

Example 17 with PrimaryDataStoreTO

use of com.cloud.legacymodel.to.PrimaryDataStoreTO 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 = this.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 = this.storagePoolMgr.getStoragePool(pool.getPoolType(), primaryUuid);
        final String volUuid = UUID.randomUUID().toString();
        final KvmPhysicalDisk disk = this.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) {
        this.logger.debug("Failed to createVolumeFromSnapshot: ", e);
        return new CopyCmdAnswer(e.toString());
    }
}

Example 18 with PrimaryDataStoreTO

use of com.cloud.legacymodel.to.PrimaryDataStoreTO in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method createSnapshot.

@Override
public Answer createSnapshot(final CreateObjectCommand cmd) {
    final SnapshotObjectTO snapshotTo = (SnapshotObjectTO) cmd.getData();
    final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) snapshotTo.getDataStore();
    final VolumeObjectTO volume = snapshotTo.getVolume();
    final String snapshotName = UUID.randomUUID().toString();
    final String vmName = volume.getVmName();
    try {
        final Connect conn = LibvirtConnection.getConnectionByVmName(vmName);
        DomainState state = null;
        Domain vm = null;
        if (vmName != null) {
            try {
                vm = this.resource.getDomain(conn, vmName);
                state = vm.getInfo().state;
            } catch (final LibvirtException e) {
                this.logger.trace("Ignoring libvirt error.", e);
            }
        }
        final KvmStoragePool primaryPool = this.storagePoolMgr.getStoragePool(primaryStore.getPoolType(), primaryStore.getUuid());
        final KvmPhysicalDisk disk = this.storagePoolMgr.getPhysicalDisk(primaryStore.getPoolType(), primaryStore.getUuid(), volume.getPath());
        if (state == DomainState.VIR_DOMAIN_RUNNING && !primaryPool.isExternalSnapshot()) {
            final String vmUuid = vm.getUUIDString();
            final Object[] args = new Object[] { snapshotName, vmUuid };
            final String snapshot = SnapshotXML.format(args);
            final long start = System.currentTimeMillis();
            vm.snapshotCreateXML(snapshot);
            final long total = (System.currentTimeMillis() - start) / 1000;
            this.logger.debug("snapshot takes " + total + " seconds to finish");
            /*
                 * libvirt on RHEL6 doesn't handle resume event emitted from qemu
                 */
            vm = this.resource.getDomain(conn, vmName);
            state = vm.getInfo().state;
            if (state == DomainState.VIR_DOMAIN_PAUSED) {
                vm.resume();
            }
        } else {
            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();
                    this.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(disk.getName());
                    this.logger.debug("Attempting to create RBD snapshot " + disk.getName() + "@" + snapshotName);
                    image.snapCreate(snapshotName);
                    rbd.close(image);
                    r.ioCtxDestroy(io);
                } catch (final Exception e) {
                    this.logger.error("A RBD snapshot operation on " + disk.getName() + " failed. The error was: " + e.getMessage());
                }
            } else {
                /* VM is not running, create a snapshot by ourself */
                final Script command = new Script(this.manageSnapshotPath, this.cmdsTimeout, this.logger);
                command.add("-c", disk.getPath());
                command.add("-n", snapshotName);
                final String result = command.execute();
                if (result != null) {
                    this.logger.debug("Failed to manage snapshot: " + result);
                    return new CreateObjectAnswer("Failed to manage snapshot: " + result);
                }
            }
        }
        final SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
        // NOTE: sort of hack, we'd better just put snapshtoName
        newSnapshot.setPath(disk.getPath() + File.separator + snapshotName);
        return new CreateObjectAnswer(newSnapshot);
    } catch (final LibvirtException e) {
        this.logger.debug("Failed to manage snapshot: ", e);
        return new CreateObjectAnswer("Failed to manage snapshot: " + e.toString());
    }
}

Example 19 with PrimaryDataStoreTO

use of com.cloud.legacymodel.to.PrimaryDataStoreTO in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method deleteVolume.

@Override
public Answer deleteVolume(final DeleteCommand cmd) {
    final VolumeObjectTO vol = (VolumeObjectTO) cmd.getData();
    final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) vol.getDataStore();
    try {
        final KvmStoragePool pool = this.storagePoolMgr.getStoragePool(primaryStore.getPoolType(), primaryStore.getUuid());
        try {
            pool.getPhysicalDisk(vol.getPath());
        } catch (final Exception e) {
            this.logger.debug("Can't find volume: " + vol.getPath() + ", return true");
            return new Answer(null);
        }
        pool.deletePhysicalDisk(vol.getPath(), vol.getFormat());
        return new Answer(null);
    } catch (final CloudRuntimeException e) {
        this.logger.debug("Failed to delete volume: ", e);
        return new Answer(null, false, e.toString());
    }
}

Example 20 with PrimaryDataStoreTO

use of com.cloud.legacymodel.to.PrimaryDataStoreTO in project cosmic by MissionCriticalCloud.

the class LibvirtDeleteVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final DeleteVMSnapshotCommand cmd, final LibvirtComputingResource libvirtComputingResource) {
    final String vmName = cmd.getVmName();
    final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    Domain dm = null;
    DomainSnapshot snapshot = null;
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        final Connect conn = libvirtUtilitiesHelper.getConnection();
        dm = libvirtComputingResource.getDomain(conn, vmName);
        snapshot = dm.snapshotLookupByName(cmd.getTarget().getSnapshotName());
        // only remove this snapshot, not children
        snapshot.delete(0);
        return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
    } catch (final LibvirtException e) {
        final String msg = " Delete VM snapshot failed due to " + e.toString();
        if (dm == null) {
            s_logger.debug("Can not find running vm: " + vmName + ", now we are trying to delete the vm snapshot using qemu-img if the format of root volume is QCOW2");
            VolumeObjectTO rootVolume = null;
            for (final VolumeObjectTO volume : cmd.getVolumeTOs()) {
                if (volume.getVolumeType() == VolumeType.ROOT) {
                    rootVolume = volume;
                    break;
                }
            }
            if (rootVolume != null && ImageFormat.QCOW2.equals(rootVolume.getFormat())) {
                final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) rootVolume.getDataStore();
                final KvmPhysicalDisk rootDisk = storagePoolMgr.getPhysicalDisk(primaryStore.getPoolType(), primaryStore.getUuid(), rootVolume.getPath());
                final String command = "qemu-img snapshot -l " + rootDisk.getPath() + " | tail -n +3 | awk -F ' ' '{print $2}' | grep ^" + cmd.getTarget().getSnapshotName() + "$";
                final String qemu_img_snapshot = Script.runSimpleBashScript(command);
                if (qemu_img_snapshot == null) {
                    s_logger.info("Cannot find snapshot " + cmd.getTarget().getSnapshotName() + " in file " + rootDisk.getPath() + ", return true");
                    return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
                }
                final int result = Script.runSimpleBashScriptForExitValue("qemu-img snapshot -d " + cmd.getTarget().getSnapshotName() + " " + rootDisk.getPath());
                if (result != 0) {
                    return new DeleteVMSnapshotAnswer(cmd, false, "Delete VM Snapshot Failed due to can not remove snapshot from image file " + rootDisk.getPath() + " : " + result);
                } else {
                    return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
                }
            }
        } else if (snapshot == null) {
            s_logger.debug("Can not find vm snapshot " + cmd.getTarget().getSnapshotName() + " on vm: " + vmName + ", return true");
            return new DeleteVMSnapshotAnswer(cmd, cmd.getVolumeTOs());
        }
        s_logger.warn(msg, e);
        return new DeleteVMSnapshotAnswer(cmd, false, msg);
    } finally {
        if (dm != null) {
            try {
                dm.free();
            } catch (final LibvirtException l) {
                s_logger.trace("Ignoring libvirt error.", l);
            }
        }
    }
}