Package org.apache.cloudstack.storage.datastore.db

Examples of org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreVO

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            if (obj.getType() == DataObjectType.TEMPLATE) {
                VMTemplateStoragePoolVO vo = new VMTemplateStoragePoolVO(dataStore.getId(), obj.getId());
                vo = templatePoolDao.persist(vo);
            } else if (obj.getType() == DataObjectType.SNAPSHOT) {
                SnapshotInfo snapshotInfo = (SnapshotInfo)obj;
                SnapshotDataStoreVO ss = new SnapshotDataStoreVO();
                ss.setSnapshotId(obj.getId());
                ss.setDataStoreId(dataStore.getId());
                ss.setRole(dataStore.getRole());
                ss.setVolumeId(snapshotInfo.getVolumeId());
                ss.setSize(snapshotInfo.getSize()); // this is the virtual size of snapshot in primary storage.
                SnapshotDataStoreVO snapshotDataStoreVO = snapshotDataStoreDao.findParent(dataStore.getRole(), dataStore.getId(), snapshotInfo.getVolumeId());
                if (snapshotDataStoreVO != null) {
                    ss.setParentSnapshotId(snapshotDataStoreVO.getSnapshotId());
                }
                ss.setState(ObjectInDataStoreStateMachine.State.Allocated);
                ss = snapshotDataStoreDao.persist(ss);
            }
        } else {
            // Image store
            switch (obj.getType()) {
                case TEMPLATE:
                    TemplateDataStoreVO ts = new TemplateDataStoreVO();
                    ts.setTemplateId(obj.getId());
                    ts.setDataStoreId(dataStore.getId());
                    ts.setDataStoreRole(dataStore.getRole());
                    String installPath =
                        TemplateConstants.DEFAULT_TMPLT_ROOT_DIR + "/" + TemplateConstants.DEFAULT_TMPLT_FIRST_LEVEL_DIR +
                            templateDao.findById(obj.getId()).getAccountId() + "/" + obj.getId();
                    if (dataStore.getTO() instanceof S3TO) {
                        TemplateInfo tmpl = (TemplateInfo)obj;
                        installPath += "/" + tmpl.getUniqueName(); // for S3, we
                        // append
                        // template name
                        // in the path
                        // for template
                        // sync since we
                        // don't have
                        // template.properties
                        // there
                    }
                    ts.setInstallPath(installPath);
                    ts.setState(ObjectInDataStoreStateMachine.State.Allocated);
                    ts = templateDataStoreDao.persist(ts);
                    break;
                case SNAPSHOT:
                    SnapshotInfo snapshot = (SnapshotInfo)obj;
                    SnapshotDataStoreVO ss = new SnapshotDataStoreVO();
                    ss.setSnapshotId(obj.getId());
                    ss.setDataStoreId(dataStore.getId());
                    ss.setRole(dataStore.getRole());
                    ss.setRole(dataStore.getRole());
                    ss.setVolumeId(snapshot.getVolumeId());
                    SnapshotDataStoreVO snapshotDataStoreVO = snapshotDataStoreDao.findParent(dataStore.getRole(), dataStore.getId(), snapshot.getVolumeId());
                    if (snapshotDataStoreVO != null) {
                        ss.setParentSnapshotId(snapshotDataStoreVO.getSnapshotId());
                    }
                    ss.setInstallPath(TemplateConstants.DEFAULT_SNAPSHOT_ROOT_DIR + "/" + snapshotDao.findById(obj.getId()).getAccountId() + "/" + snapshot.getVolumeId());
                    ss.setState(ObjectInDataStoreStateMachine.State.Allocated);
                    ss = snapshotDataStoreDao.persist(ss);
                    break;
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                    } else {
                        s_logger.warn("Template " + objId + " is not found on image store " + dataStore.getId() + ", so no need to delete");
                        return true;
                    }
                case SNAPSHOT:
                    SnapshotDataStoreVO destSnapshotStore = snapshotDataStoreDao.findByStoreSnapshot(dataStore.getRole(), dataStore.getId(), objId);
                    if (destSnapshotStore != null) {
                        return snapshotDataStoreDao.remove(destSnapshotStore.getId());
                    } else {
                        s_logger.warn("Snapshot " + objId + " is not found on image store " + dataStore.getId() + ", so no need to delete");
                        return true;
                    }
                case VOLUME:
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                } else {
                    s_logger.warn("Template " + objId + " is not found on storage pool " + dataStore.getId() + ", so no need to delete");
                    return true;
                }
            } else if (dataObj.getType() == DataObjectType.SNAPSHOT) {
                SnapshotDataStoreVO destSnapshotStore = snapshotDataStoreDao.findByStoreSnapshot(dataStore.getRole(), dataStore.getId(), objId);
                if (destSnapshotStore != null && destSnapshotStore.getState() != ObjectInDataStoreStateMachine.State.Ready) {
                    snapshotDataStoreDao.remove(destSnapshotStore.getId());
                }
                return true;
            }
        } else {
            // Image store
            switch (dataObj.getType()) {
                case TEMPLATE:
                    return true;
                case SNAPSHOT:
                    SnapshotDataStoreVO destSnapshotStore = snapshotDataStoreDao.findByStoreSnapshot(dataStore.getRole(), dataStore.getId(), objId);
                    if (destSnapshotStore != null && destSnapshotStore.getState() != ObjectInDataStoreStateMachine.State.Ready) {
                        return snapshotDataStoreDao.remove(destSnapshotStore.getId());
                    } else {
                        s_logger.warn("Snapshot " + objId + " is not found on image store " + dataStore.getId() + ", so no need to delete");
                        return true;
                    }
                case VOLUME:
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    }


    @Override
    public String getSecondaryStorageURL(SnapshotVO snapshot) {
        SnapshotDataStoreVO snapshotStore = this._snapshotStoreDao.findBySnapshot(snapshot.getId(), DataStoreRole.Image);
        if (snapshotStore != null){
            DataStore store = this.dataStoreMgr.getDataStore(snapshotStore.getDataStoreId(), DataStoreRole.Image);
            if ( store != null ){
                return store.getUri();
            }
        }
        throw new CloudRuntimeException("Can not find secondary storage hosting the snapshot");
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        return true;
    }

    @Override
    public boolean updateState(State currentState, Event event, State nextState, DataObjectInStore vo, Object data) {
        SnapshotDataStoreVO dataObj = (SnapshotDataStoreVO)vo;
        Long oldUpdated = dataObj.getUpdatedCount();
        Date oldUpdatedTime = dataObj.getUpdated();

        SearchCriteria<SnapshotDataStoreVO> sc = updateStateSearch.create();
        sc.setParameters("id", dataObj.getId());
        sc.setParameters("state", currentState);
        sc.setParameters("updatedCount", dataObj.getUpdatedCount());

        dataObj.incrUpdatedCount();

        UpdateBuilder builder = getUpdateBuilder(dataObj);
        builder.set(dataObj, "state", nextState);
        builder.set(dataObj, "updated", new Date());

        int rows = update(dataObj, sc);
        if (rows == 0 && s_logger.isDebugEnabled()) {
            SnapshotDataStoreVO dbVol = findByIdIncludingRemoved(dataObj.getId());
            if (dbVol != null) {
                StringBuilder str = new StringBuilder("Unable to update ").append(dataObj.toString());
                str.append(": DB Data={id=")
                    .append(dbVol.getId())
                    .append("; state=")
                    .append(dbVol.getState())
                    .append("; updatecount=")
                    .append(dbVol.getUpdatedCount())
                    .append(";updatedTime=")
                    .append(dbVol.getUpdated());
                str.append(": New Data={id=")
                    .append(dataObj.getId())
                    .append("; state=")
                    .append(nextState)
                    .append("; event=")
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        List<SnapshotDataStoreVO> snapshots = listBy(sc);
        // create an entry for each record, but with empty install path since the content is not yet on region-wide store yet
        if (snapshots != null) {
            s_logger.info("Duplicate " + snapshots.size() + " snapshot cache store records to region store");
            for (SnapshotDataStoreVO snap : snapshots) {
                SnapshotDataStoreVO snapStore = findByStoreSnapshot(DataStoreRole.Image, storeId, snap.getSnapshotId());
                if (snapStore != null) {
                    s_logger.info("There is already entry for snapshot " + snap.getSnapshotId() + " on region store " + storeId);
                    continue;
                }
                s_logger.info("Persisting an entry for snapshot " + snap.getSnapshotId() + " on region store " + storeId);
                SnapshotDataStoreVO ss = new SnapshotDataStoreVO();
                ss.setSnapshotId(snap.getSnapshotId());
                ss.setDataStoreId(storeId);
                ss.setRole(DataStoreRole.Image);
                ss.setVolumeId(snap.getVolumeId());
                ss.setParentSnapshotId(snap.getParentSnapshotId());
                ss.setState(snap.getState());
                ss.setSize(snap.getSize());
                ss.setPhysicalSize(snap.getPhysicalSize());
                ss.setRefCnt(snap.getRefCnt());
                persist(ss);
                // increase ref_cnt so that this will not be recycled before the content is pushed to region-wide store
                snap.incrRefCnt();
                update(snap.getId(), snap);
            }
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        SnapshotInfo parentSnapshot = snapshot.getParent();

        if (parentSnapshot != null && snapshot.getPath().equalsIgnoreCase(parentSnapshot.getPath())) {
            s_logger.debug("backup an empty snapshot");
            // don't need to backup this snapshot
            SnapshotDataStoreVO parentSnapshotOnBackupStore = snapshotStoreDao.findBySnapshot(parentSnapshot.getId(), DataStoreRole.Image);
            if (parentSnapshotOnBackupStore != null && parentSnapshotOnBackupStore.getState() == State.Ready) {
                DataStore store = dataStoreMgr.getDataStore(parentSnapshotOnBackupStore.getDataStoreId(), parentSnapshotOnBackupStore.getRole());

                SnapshotInfo snapshotOnImageStore = (SnapshotInfo)store.create(snapshot);
                snapshotOnImageStore.processEvent(Event.CreateOnlyRequested);

                SnapshotObjectTO snapTO = new SnapshotObjectTO();
                snapTO.setPath(parentSnapshotOnBackupStore.getInstallPath());

                CreateObjectAnswer createSnapshotAnswer = new CreateObjectAnswer(snapTO);

                snapshotOnImageStore.processEvent(Event.OperationSuccessed, createSnapshotAnswer);
                SnapshotObject snapObj = (SnapshotObject)snapshot;
                try {
                    snapObj.processEvent(Snapshot.Event.OperationNotPerformed);
                } catch (NoTransitionException e) {
                    s_logger.debug("Failed to change state: " + snapshot.getId() + ": " + e.toString());
                    throw new CloudRuntimeException(e.toString());
                }
                return snapshotDataFactory.getSnapshot(snapObj.getId(), store);
            } else {
                s_logger.debug("parent snapshot hasn't been backed up yet");
            }
        }

        // determine full snapshot backup or not


        boolean fullBackup = true;
        SnapshotDataStoreVO parentSnapshotOnBackupStore = snapshotStoreDao.findLatestSnapshotForVolume(snapshot.getVolumeId(), DataStoreRole.Image);
        HypervisorType hypervisorType = snapshot.getBaseVolume().getHypervisorType();
        if (parentSnapshotOnBackupStore != null && hypervisorType == Hypervisor.HypervisorType.XenServer) { // CS does incremental backup only for XenServer
            int _deltaSnapshotMax = NumbersUtil.parseInt(configDao.getValue("snapshot.delta.max"),
                    SnapshotManager.DELTAMAX);
            int deltaSnap = _deltaSnapshotMax;
            int i;

            for (i = 1; i < deltaSnap; i++) {
                Long prevBackupId = parentSnapshotOnBackupStore.getParentSnapshotId();
                if (prevBackupId == 0) {
                    break;
                }
                parentSnapshotOnBackupStore = snapshotStoreDao.findBySnapshot(prevBackupId, DataStoreRole.Image);
                if (parentSnapshotOnBackupStore == null) {
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        try {
            boolean result = deleteSnapshotChain(snapshotOnImage);
            obj.processEvent(Snapshot.Event.OperationSucceeded);
            if (result) {
                //snapshot is deleted on backup storage, need to delete it on primary storage
                SnapshotDataStoreVO snapshotOnPrimary = snapshotStoreDao.findBySnapshot(snapshotId, DataStoreRole.Primary);
                if (snapshotOnPrimary != null) {
                    snapshotOnPrimary.setState(State.Destroyed);
                    snapshotStoreDao.update(snapshotOnPrimary.getId(), snapshotOnPrimary);
                }
            }
        } catch (Exception e) {
            s_logger.debug("Failed to delete snapshot: ", e);
            try {
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            try {
                SnapshotInfo parent = snapshot.getParent();
                if (backupedSnapshot != null && parent != null) {
                    Long parentSnapshotId = parent.getId();
                    while (parentSnapshotId != null && parentSnapshotId != 0L) {
                        SnapshotDataStoreVO snapshotDataStoreVO = snapshotStoreDao.findByStoreSnapshot(primaryStore.getRole(), primaryStore.getId(), parentSnapshotId);
                        if (snapshotDataStoreVO != null) {
                            parentSnapshotId = snapshotDataStoreVO.getParentSnapshotId();
                            snapshotStoreDao.remove(snapshotDataStoreVO.getId());
                        } else {
                            parentSnapshotId = null;
                        }
                    }
                    SnapshotDataStoreVO snapshotDataStoreVO = snapshotStoreDao.findByStoreSnapshot(primaryStore.getRole(), primaryStore.getId(), snapshot.getId());
                    if (snapshotDataStoreVO != null) {
                        snapshotDataStoreVO.setParentSnapshotId(0L);
                        snapshotStoreDao.update(snapshotDataStoreVO.getId(), snapshotDataStoreVO);
                    }
                }
            } catch (Exception e) {
                s_logger.debug("Failed to clean up snapshots on primary storage", e);
            }
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    }

    @Override
    public SnapshotInfo getSnapshot(long snapshotId, DataStoreRole role) {
        SnapshotVO snapshot = snapshotDao.findById(snapshotId);
        SnapshotDataStoreVO snapshotStore = snapshotStoreDao.findBySnapshot(snapshotId, role);
        if (snapshotStore == null) {
            return null;
        }
        DataStore store = storeMgr.getDataStore(snapshotStore.getDataStoreId(), role);
        SnapshotObject so = SnapshotObject.getSnapshotObject(snapshot, store);
        return so;
    }
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Related Classes of org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreVO

  • com.cloud.storage.snapshot.SnapshotManagerImpl
  • org.apache.cloudstack.storage.cache.manager.StorageCacheReplacementAlgorithmLRU
  • org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl
  • org.apache.cloudstack.storage.image.db.SnapshotDataStoreDaoImpl
  • org.apache.cloudstack.storage.snapshot.SnapshotDataFactoryImpl
  • org.apache.cloudstack.storage.snapshot.SnapshotObject
  • org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl
  • org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy
  • org.apache.cloudstack.storage.test.SnapshotTestWithFakeData
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