Package com.cloud.hypervisor.kvm.storage

Examples of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk


                return arg0.getDiskSeq() > arg1.getDiskSeq() ? 1 : -1;
            }
        });

        for (DiskTO volume : disks) {
            KVMPhysicalDisk physicalDisk = null;
            KVMStoragePool pool = null;
            DataTO data = volume.getData();
            if (volume.getType() == Volume.Type.ISO && data.getPath() != null) {
                NfsTO nfsStore = (NfsTO)data.getDataStore();
                String volPath = nfsStore.getUrl() + File.separator + data.getPath();
                int index = volPath.lastIndexOf("/");
                String volDir = volPath.substring(0, index);
                String volName = volPath.substring(index + 1);
                KVMStoragePool secondaryStorage = _storagePoolMgr.
                        getStoragePoolByURI(volDir);
                physicalDisk = secondaryStorage.getPhysicalDisk(volName);
            } else if (volume.getType() != Volume.Type.ISO) {
                PrimaryDataStoreTO store = (PrimaryDataStoreTO)data.getDataStore();
                physicalDisk = _storagePoolMgr.getPhysicalDiskstore.getPoolType(),
                        store.getUuid(),
                        data.getPath());
                pool = physicalDisk.getPool();
            }

            String volPath = null;
            if (physicalDisk != null) {
                volPath = physicalDisk.getPath();
            }

            DiskDef.diskBus diskBusType = getGuestDiskModel(vmSpec.getOs());
            DiskDef disk = new DiskDef();
            if (volume.getType() == Volume.Type.ISO) {
                if (volPath == null) {
                    /* Add iso as placeholder */
                    disk.defISODisk(null);
                } else {
                    disk.defISODisk(volPath);
                }
            } else {
                int devId = volume.getDiskSeq().intValue();

                if (pool.getType() == StoragePoolType.RBD) {
                    /*
                            For RBD pools we use the secret mechanism in libvirt.
                            We store the secret under the UUID of the pool, that's why
                            we pass the pool's UUID as the authSecret
                     */
                    disk.defNetworkBasedDisk(physicalDisk.getPath().replace("rbd:", ""), pool.getSourceHost(), pool.getSourcePort(),
                            pool.getAuthUserName(), pool.getUuid(),
                            devId, diskBusType, diskProtocol.RBD);
                } else if (pool.getType() == StoragePoolType.CLVM) {
                    disk.defBlockBasedDisk(physicalDisk.getPath(), devId,
                            diskBusType);
                } else {
                    if (volume.getType() == Volume.Type.DATADISK) {
                        disk.defFileBasedDisk(physicalDisk.getPath(), devId,
                                DiskDef.diskBus.VIRTIO,
                                DiskDef.diskFmtType.QCOW2);
                    } else {
                        disk.defFileBasedDisk(physicalDisk.getPath(), devId, diskBusType, DiskDef.diskFmtType.QCOW2);
                    }

                }

            }

            if (data instanceof VolumeObjectTO) {
                VolumeObjectTO volumeObjectTO = (VolumeObjectTO)data;
                if ((volumeObjectTO.getBytesReadRate() != null) && (volumeObjectTO.getBytesReadRate()  > 0))
                    disk.setBytesReadRate(volumeObjectTO.getBytesReadRate());
                if ((volumeObjectTO.getBytesWriteRate() != null) && (volumeObjectTO.getBytesWriteRate() > 0))
                    disk.setBytesWriteRate(volumeObjectTO.getBytesWriteRate());
                if ((volumeObjectTO.getIopsReadRate() != null) && (volumeObjectTO.getIopsReadRate() > 0))
                    disk.setIopsReadRate(volumeObjectTO.getIopsReadRate());
                if ((volumeObjectTO.getIopsWriteRate() != null) && (volumeObjectTO.getIopsWriteRate() > 0))
                    disk.setIopsWriteRate(volumeObjectTO.getIopsWriteRate());
            }
            vm.getDevices().addDevice(disk);
        }

        if (vmSpec.getType() != VirtualMachine.Type.User) {
            if (_sysvmISOPath != null) {
                DiskDef iso = new DiskDef();
                iso.defISODisk(_sysvmISOPath);
                vm.getDevices().addDevice(iso);
            }
        }

        // For LXC, find and add the root filesystem
        if (HypervisorType.LXC.toString().toLowerCase().equals(vm.getHvsType())) {
            for (DiskTO volume : disks) {
                if (volume.getType() == Volume.Type.ROOT) {
                    DataTO data = volume.getData();
                    PrimaryDataStoreTO store = (PrimaryDataStoreTO)data.getDataStore();
                    KVMPhysicalDisk physicalDisk = _storagePoolMgr.getPhysicalDisk( store.getPoolType(),
                            store.getUuid(),
                            data.getPath());
                    FilesystemDef rootFs = new FilesystemDef(physicalDisk.getPath(), "/");
                    vm.getDevices().addDevice(rootFs);
                    break;
                }
            }
        }
View Full Code Here


            int index = isoPath.lastIndexOf("/");
            String path = isoPath.substring(0, index);
            String name = isoPath.substring(index + 1);
            KVMStoragePool secondaryPool = _storagePoolMgr.getStoragePoolByURI(
                    path);
            KVMPhysicalDisk isoVol = secondaryPool.getPhysicalDisk(name);
            isoPath = isoVol.getPath();

            DiskDef iso = new DiskDef();
            iso.defISODisk(isoPath);
            isoXml = iso.toString();
        } else {
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            }
        }

        if (!foundDisk) {
            s_logger.debug("generating new patch disk for " + vmName + " since none was found");
            KVMPhysicalDisk disk = pool.createPhysicalDisk(patchName, KVMPhysicalDisk.PhysicalDiskFormat.RAW,
                10L * 1024 * 1024);
        } else {
            s_logger.debug("found existing patch disk at " + patchDiskPath + " using it for " + vmName);
        }

View Full Code Here

            int index = isoPath.lastIndexOf("/");
            String path = isoPath.substring(0, index);
            String name = isoPath.substring(index + 1);
            KVMStoragePool secondaryPool = _storagePoolMgr
                    .getStoragePoolByURI(path);
            KVMPhysicalDisk isoVol = secondaryPool.getPhysicalDisk(name);
            isoPath = isoVol.getPath();

            DiskDef iso = new DiskDef();
            iso.defISODisk(isoPath);
            isoXml = iso.toString();
        } else {
View Full Code Here

                    .getUuid());
            String volumeName = UUID.randomUUID().toString();

            if (copyToSecondary) {
                String destVolumeName = volumeName + ".qcow2";
                KVMPhysicalDisk volume = primaryPool.getPhysicalDisk(cmd
                        .getVolumePath());
                String volumeDestPath = "/volumes/" + cmd.getVolumeId()
                        + File.separator;
                secondaryStoragePool = _storagePoolMgr
                        .getStoragePoolByURI(secondaryStorageUrl);
                secondaryStoragePool.createFolder(volumeDestPath);
                secondaryStoragePool.delete();
                secondaryStoragePool = _storagePoolMgr
                        .getStoragePoolByURI(secondaryStorageUrl
                                + volumeDestPath);
                _storagePoolMgr.copyPhysicalDisk(volume, destVolumeName,
                        secondaryStoragePool);
                return new CopyVolumeAnswer(cmd, true, null, null, volumeName);
            } else {
                volumePath = "/volumes/" + cmd.getVolumeId() + File.separator;
                secondaryStoragePool = _storagePoolMgr
                        .getStoragePoolByURI(secondaryStorageUrl + volumePath);
                KVMPhysicalDisk volume = secondaryStoragePool
                        .getPhysicalDisk(cmd.getVolumePath() + ".qcow2");
                _storagePoolMgr.copyPhysicalDisk(volume, volumeName,
                        primaryPool);
                return new CopyVolumeAnswer(cmd, true, null, null, volumeName);
            }
View Full Code Here

    }

    protected Answer execute(CreateCommand cmd) {
        StorageFilerTO pool = cmd.getPool();
        DiskProfile dskch = cmd.getDiskCharacteristics();
        KVMPhysicalDisk BaseVol = null;
        KVMStoragePool primaryPool = null;
        KVMPhysicalDisk vol = null;
        long disksize;
        try {
            primaryPool = _storagePoolMgr.getStoragePool(pool.getUuid());
            disksize = dskch.getSize();

            if (cmd.getTemplateUrl() != null) {

                BaseVol = primaryPool.getPhysicalDisk(cmd.getTemplateUrl());
                vol = _storagePoolMgr.createDiskFromTemplate(BaseVol, UUID
                        .randomUUID().toString(), primaryPool);

                if (vol == null) {
                    return new Answer(cmd, false,
                            " Can't create storage volume on storage pool");
                }
            } else {
                vol = primaryPool.createPhysicalDisk(UUID.randomUUID()
                        .toString(), dskch.getSize());
            }
            VolumeTO volume = new VolumeTO(cmd.getVolumeId(), dskch.getType(),
                    pool.getType(), pool.getUuid(), pool.getPath(),
                    vol.getName(), vol.getName(), disksize, null);
            return new CreateAnswer(cmd, volume);
        } catch (CloudRuntimeException e) {
            s_logger.debug("Failed to create volume: " + e.toString());
            return new CreateAnswer(cmd, e);
        }
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                s_logger.debug("Snapshots are not supported on RBD volumes");
                return new ManageSnapshotAnswer(cmd, false,
                    "Snapshots are not supported on RBD volumes");
            }

            KVMPhysicalDisk disk = primaryPool.getPhysicalDisk(cmd
                    .getVolumePath());
            if (state == DomainInfo.DomainState.VIR_DOMAIN_RUNNING
                    && !primaryPool.isExternalSnapshot()) {
                String vmUuid = vm.getUUIDString();
                Object[] args = new Object[] { snapshotName, vmUuid };
                String snapshot = SnapshotXML.format(args);
                s_logger.debug(snapshot);
                if (cmd.getCommandSwitch().equalsIgnoreCase(
                        ManageSnapshotCommand.CREATE_SNAPSHOT)) {
                    vm.snapshotCreateXML(snapshot);
                } else {
                    DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
                    snap.delete(0);
                }

                /*
                 * libvirt on RHEL6 doesn't handle resume event emitted from
                 * qemu
                 */
                vm = getDomain(conn, cmd.getVmName());
                state = vm.getInfo().state;
                if (state == DomainInfo.DomainState.VIR_DOMAIN_PAUSED) {
                    vm.resume();
                }
            } else {

                /* VM is not running, create a snapshot by ourself */
                final Script command = new Script(_manageSnapshotPath,
                        _cmdsTimeout, s_logger);
                if (cmd.getCommandSwitch().equalsIgnoreCase(
                        ManageSnapshotCommand.CREATE_SNAPSHOT)) {
                    command.add("-c", disk.getPath());
                } else {
                    command.add("-d", snapshotPath);
                }

                command.add("-n", snapshotName);
                String result = command.execute();
                if (result != null) {
                    s_logger.debug("Failed to manage snapshot: " + result);
                    return new ManageSnapshotAnswer(cmd, false,
                            "Failed to manage snapshot: " + result);
                }
            }
            return new ManageSnapshotAnswer(cmd, cmd.getSnapshotId(),
                    disk.getPath() + File.separator + snapshotName, true, null);
        } catch (LibvirtException e) {
            s_logger.debug("Failed to manage snapshot: " + e.toString());
            return new ManageSnapshotAnswer(cmd, false,
                    "Failed to manage snapshot: " + e.toString());
        }
View Full Code Here

            snapshotDestPath = ssPmountPath + File.separator + "snapshots"
                    + File.separator + dcId + File.separator + accountId
                    + File.separator + volumeId;
            KVMStoragePool primaryPool = _storagePoolMgr.getStoragePool(cmd
                    .getPrimaryStoragePoolNameLabel());
            KVMPhysicalDisk snapshotDisk = primaryPool.getPhysicalDisk(cmd
                    .getVolumePath());
            Script command = new Script(_manageSnapshotPath, _cmdsTimeout,
                    s_logger);
            command.add("-b", snapshotDisk.getPath());
            command.add("-n", snapshotName);
            command.add("-p", snapshotDestPath);
            command.add("-t", snapshotName);
            String result = command.execute();
            if (result != null) {
                s_logger.debug("Failed to backup snaptshot: " + result);
                return new BackupSnapshotAnswer(cmd, false, result, null, true);
            }
            /* Delete the snapshot on primary */

            DomainInfo.DomainState state = null;
            Domain vm = null;
            if (vmName != null) {
                try {
                    vm = getDomain(conn, cmd.getVmName());
                    state = vm.getInfo().state;
                } catch (LibvirtException e) {

                }
            }

            KVMStoragePool primaryStorage = _storagePoolMgr.getStoragePool(cmd
                    .getPool().getUuid());
            if (state == DomainInfo.DomainState.VIR_DOMAIN_RUNNING
                    && !primaryStorage.isExternalSnapshot()) {
                String vmUuid = vm.getUUIDString();
                Object[] args = new Object[] { snapshotName, vmUuid };
                String snapshot = SnapshotXML.format(args);
                s_logger.debug(snapshot);
                DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
                snap.delete(0);

                /*
                 * libvirt on RHEL6 doesn't handle resume event emitted from
                 * qemu
                 */
                vm = getDomain(conn, cmd.getVmName());
                state = vm.getInfo().state;
                if (state == DomainInfo.DomainState.VIR_DOMAIN_PAUSED) {
                    vm.resume();
                }
            } else {
                command = new Script(_manageSnapshotPath, _cmdsTimeout,
                        s_logger);
                command.add("-d", snapshotDisk.getPath());
                command.add("-n", snapshotName);
                result = command.execute();
                if (result != null) {
                    s_logger.debug("Failed to backup snapshot: " + result);
                    return new BackupSnapshotAnswer(cmd, false,
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            int index = snapshotPath.lastIndexOf("/");
            snapshotPath = snapshotPath.substring(0, index);
            KVMStoragePool secondaryPool = _storagePoolMgr
                    .getStoragePoolByURI(cmd.getSecondaryStorageUrl()
                            + snapshotPath);
            KVMPhysicalDisk snapshot = secondaryPool.getPhysicalDisk(cmd
                    .getSnapshotName());

            String primaryUuid = cmd.getPrimaryStoragePoolNameLabel();
            KVMStoragePool primaryPool = _storagePoolMgr
                    .getStoragePool(primaryUuid);
            String volUuid = UUID.randomUUID().toString();
            KVMPhysicalDisk disk = _storagePoolMgr.copyPhysicalDisk(snapshot,
                    volUuid, primaryPool);
            return new CreateVolumeFromSnapshotAnswer(cmd, true, "",
                    disk.getName());
        } catch (CloudRuntimeException e) {
            return new CreateVolumeFromSnapshotAnswer(cmd, false, e.toString(),
                    null);
        }
    }
View Full Code Here

            String snapshotPath = cmd.getSnapshotUuid();
            int index = snapshotPath.lastIndexOf("/");
            snapshotPath = snapshotPath.substring(0, index);
            snapshotPool = _storagePoolMgr.getStoragePoolByURI(cmd
                    .getSecondaryStorageUrl() + snapshotPath);
            KVMPhysicalDisk snapshot = snapshotPool.getPhysicalDisk(cmd
                    .getSnapshotName());

            secondaryPool = _storagePoolMgr.getStoragePoolByURI(cmd
                    .getSecondaryStorageUrl());

            String templatePath = secondaryPool.getLocalPath() + File.separator
                    + templateInstallFolder;

            _storage.mkdirs(templatePath);

            String tmplPath = templateInstallFolder + File.separator
                    + tmplFileName;
            Script command = new Script(_createTmplPath, _cmdsTimeout, s_logger);
            command.add("-t", templatePath);
            command.add("-n", tmplFileName);
            command.add("-f", snapshot.getPath());
            command.execute();

            Map<String, Object> params = new HashMap<String, Object>();
            params.put(StorageLayer.InstanceConfigKey, _storage);
            Processor qcow2Processor = new QCOW2Processor();
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Related Classes of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk

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