Examples with DataObject com.cloud.engine.subsystem.api.storage.DataObject used on opensource projects

Example 21 with DataObject

use of com.cloud.engine.subsystem.api.storage.DataObject in project cosmic by MissionCriticalCloud.

the class StorageCacheManagerImpl method getCacheObject.

@Override
public DataObject getCacheObject(final DataObject data, final Scope scope) {
    final DataStore cacheStore = getCacheStorage(scope);
    final DataObject objOnCacheStore = cacheStore.create(data);
    objOnCacheStore.incRefCount();
    return objOnCacheStore;
}

Example 22 with DataObject

use of com.cloud.engine.subsystem.api.storage.DataObject in project cosmic by MissionCriticalCloud.

the class AncientDataMotionStrategy method copyVolumeBetweenPools.

protected Answer copyVolumeBetweenPools(final DataObject srcData, final DataObject destData) {
    final String value = configDao.getValue(Config.CopyVolumeWait.key());
    final int _copyvolumewait = NumbersUtil.parseInt(value, Integer.parseInt(Config.CopyVolumeWait.getDefaultValue()));
    final Scope destScope = getZoneScope(destData.getDataStore().getScope());
    final DataStore cacheStore = cacheMgr.getCacheStorage(destScope);
    if (cacheStore == null) {
        // need to find a nfs or cifs image store, assuming that can't copy volume
        final ImageStoreEntity imageStore = (ImageStoreEntity) dataStoreMgr.getImageStore(destScope.getScopeId());
        if (!imageStore.getProtocol().equalsIgnoreCase("nfs") && !imageStore.getProtocol().equalsIgnoreCase("cifs")) {
            s_logger.debug("can't find a nfs (or cifs) image store to satisfy the need for a staging store");
            return null;
        }
        final DataObject objOnImageStore = imageStore.create(srcData);
        objOnImageStore.processEvent(Event.CreateOnlyRequested);
        Answer answer = copyObject(srcData, objOnImageStore);
        if (answer == null || !answer.getResult()) {
            if (answer != null) {
                s_logger.debug("copy to image store failed: " + answer.getDetails());
            }
            objOnImageStore.processEvent(Event.OperationFailed);
            imageStore.delete(objOnImageStore);
            return answer;
        }
        objOnImageStore.processEvent(Event.OperationSuccessed, answer);
        objOnImageStore.processEvent(Event.CopyingRequested);
        final CopyCommand cmd = new CopyCommand(objOnImageStore.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
        final EndPoint ep = selector.select(objOnImageStore, destData);
        if (ep == null) {
            final String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(cmd, false, errMsg);
        } else {
            answer = ep.sendMessage(cmd);
        }
        if (answer == null || !answer.getResult()) {
            if (answer != null) {
                s_logger.debug("copy to primary store failed: " + answer.getDetails());
            }
            objOnImageStore.processEvent(Event.OperationFailed);
            imageStore.delete(objOnImageStore);
            return answer;
        }
        objOnImageStore.processEvent(Event.OperationSuccessed);
        imageStore.delete(objOnImageStore);
        return answer;
    } else {
        final DataObject cacheData = cacheMgr.createCacheObject(srcData, destScope);
        final CopyCommand cmd = new CopyCommand(cacheData.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
        final EndPoint ep = selector.select(cacheData, destData);
        Answer answer = null;
        if (ep == null) {
            final String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(cmd, false, errMsg);
        } else {
            answer = ep.sendMessage(cmd);
        }
        // delete volume on cache store
        if (cacheData != null) {
            cacheMgr.deleteCacheObject(cacheData);
        }
        return answer;
    }
}

Example 23 with DataObject

use of com.cloud.engine.subsystem.api.storage.DataObject in project cosmic by MissionCriticalCloud.

the class AncientDataMotionStrategy method copyVolumeFromSnapshot.

protected Answer copyVolumeFromSnapshot(final DataObject snapObj, final DataObject volObj) {
    final SnapshotInfo snapshot = (SnapshotInfo) snapObj;
    final StoragePool pool = (StoragePool) volObj.getDataStore();
    final String basicErrMsg = "Failed to create volume from " + snapshot.getName() + " on pool " + pool;
    final DataStore store = snapObj.getDataStore();
    final DataStoreTO storTO = store.getTO();
    DataObject srcData = snapObj;
    try {
        if (!(storTO instanceof NfsTO)) {
            // cache snapshot to zone-wide staging store for the volume to be created
            srcData = cacheSnapshotChain(snapshot, new ZoneScope(pool.getDataCenterId()));
        }
        final String value = configDao.getValue(Config.CreateVolumeFromSnapshotWait.toString());
        final int _createVolumeFromSnapshotWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.CreateVolumeFromSnapshotWait.getDefaultValue()));
        EndPoint ep = null;
        if (srcData.getDataStore().getRole() == DataStoreRole.Primary) {
            ep = selector.select(volObj);
        } else {
            ep = selector.select(srcData, volObj);
        }
        final CopyCommand cmd = new CopyCommand(srcData.getTO(), volObj.getTO(), _createVolumeFromSnapshotWait, VirtualMachineManager.ExecuteInSequence.value());
        Answer answer = null;
        if (ep == null) {
            final String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(cmd, false, errMsg);
        } else {
            answer = ep.sendMessage(cmd);
        }
        return answer;
    } catch (final Exception e) {
        s_logger.error(basicErrMsg, e);
        throw new CloudRuntimeException(basicErrMsg);
    } finally {
        if (!(storTO instanceof NfsTO)) {
            // still keep snapshot on cache which may be migrated from previous secondary storage
            releaseSnapshotCacheChain((SnapshotInfo) srcData);
        }
    }
}