Examples with KVMPhysicalDisk com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk used on opensource projects

Example 31 with KVMPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtRevertSnapshotCommandWrapper method execute.

@Override
public Answer execute(final RevertSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final SnapshotObjectTO snapshot = command.getData();
    final VolumeObjectTO volume = snapshot.getVolume();
    final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) volume.getDataStore();
    final DataStoreTO snapshotImageStore = snapshot.getDataStore();
    if (!(snapshotImageStore instanceof NfsTO)) {
        return new Answer(command, false, "revert snapshot on object storage is not implemented yet");
    }
    final NfsTO nfsImageStore = (NfsTO) snapshotImageStore;
    final String secondaryStoragePoolUrl = nfsImageStore.getUrl();
    final String volumePath = volume.getPath();
    String snapshotPath = null;
    String snapshotRelPath = null;
    KvmStoragePool secondaryStoragePool = null;
    try {
        final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        secondaryStoragePool = storagePoolMgr.getStoragePoolByUri(secondaryStoragePoolUrl);
        final String ssPmountPath = secondaryStoragePool.getLocalPath();
        snapshotRelPath = snapshot.getPath();
        snapshotPath = ssPmountPath + File.separator + snapshotRelPath;
        final KvmPhysicalDisk snapshotDisk = storagePoolMgr.getPhysicalDisk(primaryStore.getPoolType(), primaryStore.getUuid(), volumePath);
        final KvmStoragePool primaryPool = snapshotDisk.getPool();
        if (primaryPool.getType() == StoragePoolType.RBD) {
            return new Answer(command, false, "revert snapshot to RBD is not implemented yet");
        } else {
            final Script cmd = new Script(libvirtComputingResource.manageSnapshotPath(), libvirtComputingResource.getCmdsTimeout(), s_logger);
            cmd.add("-v", snapshotPath);
            cmd.add("-n", snapshotDisk.getName());
            cmd.add("-p", snapshotDisk.getPath());
            final String result = cmd.execute();
            if (result != null) {
                s_logger.debug("Failed to revert snaptshot: " + result);
                return new Answer(command, false, result);
            }
        }
        return new Answer(command, true, "RevertSnapshotCommand executes successfully");
    } catch (final CloudRuntimeException e) {
        return new Answer(command, false, e.toString());
    }
}

Example 32 with KVMPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtCreateCommandWrapper method execute.

@Override
public Answer execute(final CreateCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final StorageFilerTO pool = command.getPool();
    final DiskProfile dskch = command.getDiskCharacteristics();
    KvmPhysicalDisk baseVol = null;
    KvmStoragePool primaryPool = null;
    KvmPhysicalDisk vol = null;
    final long disksize;
    try {
        final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        primaryPool = storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid());
        disksize = dskch.getSize();
        if (command.getTemplateUrl() != null) {
            if (primaryPool.getType() == StoragePoolType.CLVM) {
                vol = libvirtComputingResource.templateToPrimaryDownload(command.getTemplateUrl(), primaryPool, dskch.getPath());
            } else {
                baseVol = primaryPool.getPhysicalDisk(command.getTemplateUrl());
                vol = storagePoolMgr.createDiskFromTemplate(baseVol, dskch.getPath(), dskch.getProvisioningType(), primaryPool, 0);
            }
            if (vol == null) {
                return new Answer(command, false, " Can't create storage volume on storage pool");
            }
        } else {
            vol = primaryPool.createPhysicalDisk(dskch.getPath(), dskch.getProvisioningType(), dskch.getSize());
            if (vol == null) {
                return new Answer(command, false, " Can't create Physical Disk");
            }
        }
        final VolumeTO volume = new VolumeTO(command.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), pool.getPath(), vol.getName(), vol.getName(), disksize, null);
        volume.setBytesReadRate(dskch.getBytesReadRate());
        volume.setBytesWriteRate(dskch.getBytesWriteRate());
        volume.setIopsReadRate(dskch.getIopsReadRate());
        volume.setIopsWriteRate(dskch.getIopsWriteRate());
        volume.setCacheMode(dskch.getCacheMode());
        return new CreateAnswer(command, volume);
    } catch (final CloudRuntimeException e) {
        s_logger.debug("Failed to create volume: " + e.toString());
        return new CreateAnswer(command, e);
    }
}

Example 33 with KVMPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtCreatePrivateTemplateFromSnapshotCommandWrapper method execute.

@Override
public Answer execute(final CreatePrivateTemplateFromSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
    final String templateFolder = command.getAccountId() + File.separator + command.getNewTemplateId();
    final String templateInstallFolder = "template/tmpl/" + templateFolder;
    final String tmplName = libvirtUtilitiesHelper.generateUuidName();
    final String tmplFileName = tmplName + ".qcow2";
    KvmStoragePool secondaryPool = null;
    KvmStoragePool snapshotPool = null;
    final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    try {
        String snapshotPath = command.getSnapshotUuid();
        final int index = snapshotPath.lastIndexOf("/");
        snapshotPath = snapshotPath.substring(0, index);
        snapshotPool = storagePoolMgr.getStoragePoolByUri(command.getSecondaryStorageUrl() + snapshotPath);
        secondaryPool = storagePoolMgr.getStoragePoolByUri(command.getSecondaryStorageUrl());
        final KvmPhysicalDisk snapshot = snapshotPool.getPhysicalDisk(command.getSnapshotName());
        final String templatePath = secondaryPool.getLocalPath() + File.separator + templateInstallFolder;
        final StorageLayer storage = libvirtComputingResource.getStorage();
        storage.mkdirs(templatePath);
        final String tmplPath = templateInstallFolder + File.separator + tmplFileName;
        final String createTmplPath = libvirtComputingResource.createTmplPath();
        final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout();
        final Script scriptCommand = new Script(createTmplPath, cmdsTimeout, s_logger);
        scriptCommand.add("-t", templatePath);
        scriptCommand.add("-n", tmplFileName);
        scriptCommand.add("-f", snapshot.getPath());
        scriptCommand.execute();
        final Processor qcow2Processor = libvirtUtilitiesHelper.buildQcow2Processor(storage);
        final FormatInfo info = qcow2Processor.process(templatePath, null, tmplName);
        final TemplateLocation loc = libvirtUtilitiesHelper.buildTemplateLocation(storage, templatePath);
        loc.create(1, true, tmplName);
        loc.addFormat(info);
        loc.save();
        return new CreatePrivateTemplateAnswer(command, true, "", tmplPath, info.virtualSize, info.size, tmplName, info.format);
    } catch (final ConfigurationException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } catch (final InternalErrorException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } catch (final IOException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } catch (final CloudRuntimeException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } finally {
        if (secondaryPool != null) {
            storagePoolMgr.deleteStoragePool(secondaryPool.getType(), secondaryPool.getUuid());
        }
        if (snapshotPool != null) {
            storagePoolMgr.deleteStoragePool(snapshotPool.getType(), snapshotPool.getUuid());
        }
    }
}

Example 34 with KVMPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk 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 (VolumeObjectTO volume : cmd.getVolumeTOs()) {
                if (volume.getVolumeType() == Volume.Type.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());
                }
                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);
            }
        }
    }
}

Example 35 with KVMPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResourceTest method testCreateVolumeFromSnapshotCommandCloudException.

@Test
public void testCreateVolumeFromSnapshotCommandCloudException() {
    final StoragePool pool = Mockito.mock(StoragePool.class);
    final String secondaryStoragePoolURL = "/opt/storage/";
    final Long dcId = 1l;
    final Long accountId = 1l;
    final Long volumeId = 1l;
    final String backedUpSnapshotUuid = "uuid:/8edb1156-a851-4914-afc6-468ee52ac861/";
    final String backedUpSnapshotName = "uuid:/8edb1156-a851-4914-afc6-468ee52ac862/";
    final int wait = 0;
    final CreateVolumeFromSnapshotCommand command = new CreateVolumeFromSnapshotCommand(pool, secondaryStoragePoolURL, dcId, accountId, volumeId, backedUpSnapshotUuid, backedUpSnapshotName, wait);
    final KvmStoragePoolManager storagePoolMgr = Mockito.mock(KvmStoragePoolManager.class);
    final KvmStoragePool secondaryPool = Mockito.mock(KvmStoragePool.class);
    final KvmPhysicalDisk snapshot = Mockito.mock(KvmPhysicalDisk.class);
    String snapshotPath = command.getSnapshotUuid();
    final int index = snapshotPath.lastIndexOf("/");
    snapshotPath = snapshotPath.substring(0, index);
    final String primaryUuid = command.getPrimaryStoragePoolNameLabel();
    when(libvirtComputingResource.getStoragePoolMgr()).thenReturn(storagePoolMgr);
    when(storagePoolMgr.getStoragePoolByUri(command.getSecondaryStorageUrl() + snapshotPath)).thenReturn(secondaryPool);
    when(secondaryPool.getPhysicalDisk(command.getSnapshotName())).thenReturn(snapshot);
    when(storagePoolMgr.getStoragePool(command.getPool().getType(), primaryUuid)).thenThrow(CloudRuntimeException.class);
    final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
    assertNotNull(wrapper);
    final Answer answer = wrapper.execute(command, libvirtComputingResource);
    assertFalse(answer.getResult());
    verify(libvirtComputingResource, times(1)).getStoragePoolMgr();
    verify(storagePoolMgr, times(1)).getStoragePoolByUri(command.getSecondaryStorageUrl() + snapshotPath);
    verify(secondaryPool, times(1)).getPhysicalDisk(command.getSnapshotName());
    verify(storagePoolMgr, times(1)).getStoragePool(command.getPool().getType(), primaryUuid);
}