Examples with DataObject org.apache.cloudstack.engine.subsystem.api.storage.DataObject used on opensource projects

Example 6 with DataObject

use of org.apache.cloudstack.engine.subsystem.api.storage.DataObject in project cloudstack by apache.

the class AncientDataMotionStrategy method copyObject.

protected Answer copyObject(DataObject srcData, DataObject destData, Host destHost) {
    String value = configDao.getValue(Config.PrimaryStorageDownloadWait.toString());
    int _primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue()));
    Answer answer = null;
    DataObject cacheData = null;
    DataObject srcForCopy = srcData;
    try {
        if (needCacheStorage(srcData, destData)) {
            Scope destScope = pickCacheScopeForCopy(srcData, destData);
            srcForCopy = cacheData = cacheMgr.createCacheObject(srcData, destScope);
        }
        CopyCommand cmd = new CopyCommand(srcForCopy.getTO(), addFullCloneFlagOnVMwareDest(destData.getTO()), _primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
        EndPoint ep = destHost != null ? RemoteHostEndPoint.getHypervisorHostEndPoint(destHost) : selector.select(srcForCopy, destData);
        if (ep == null) {
            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 (cacheData != null) {
            final Long cacheId = cacheData.getId();
            final String cacheType = cacheData.getType().toString();
            final String cacheUuid = cacheData.getUuid().toString();
            if (srcData.getType() == DataObjectType.VOLUME && (destData.getType() == DataObjectType.VOLUME || destData.getType() == DataObjectType.TEMPLATE)) {
                // volume transfer from primary to secondary. Volume transfer between primary pools are already handled by copyVolumeBetweenPools
                // Delete cache in order to certainly transfer a latest image.
                s_logger.debug("Delete " + cacheType + " cache(id: " + cacheId + ", uuid: " + cacheUuid + ")");
                cacheMgr.deleteCacheObject(srcForCopy);
            } else {
                // for template, we want to leave it on cache for performance reason
                if ((answer == null || !answer.getResult()) && srcForCopy.getRefCount() < 2) {
                    // cache object created by this copy, not already there
                    s_logger.warn("Copy may not be handled correctly by agent(id: " + (ep != null ? ep.getId() : "\"unspecified\"") + ")." + " Delete " + cacheType + " cache(id: " + cacheId + ", uuid: " + cacheUuid + ")");
                    cacheMgr.deleteCacheObject(srcForCopy);
                } else {
                    s_logger.debug("Decrease reference count of " + cacheType + " cache(id: " + cacheId + ", uuid: " + cacheUuid + ")");
                    cacheMgr.releaseCacheObject(srcForCopy);
                }
            }
        }
        return answer;
    } catch (Exception e) {
        s_logger.debug("copy object failed: ", e);
        if (cacheData != null) {
            cacheMgr.deleteCacheObject(cacheData);
        }
        throw new CloudRuntimeException(e.toString());
    }
}

Example 7 with DataObject

use of org.apache.cloudstack.engine.subsystem.api.storage.DataObject in project cloudstack by apache.

the class AncientDataMotionStrategy method copyVolumeFromSnapshot.

protected Answer copyVolumeFromSnapshot(DataObject snapObj, DataObject volObj) {
    SnapshotInfo snapshot = (SnapshotInfo) snapObj;
    StoragePool pool = (StoragePool) volObj.getDataStore();
    String basicErrMsg = "Failed to create volume from " + snapshot.getName() + " on pool " + pool;
    DataStore store = snapObj.getDataStore();
    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()));
        }
        String value = configDao.getValue(Config.CreateVolumeFromSnapshotWait.toString());
        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);
        }
        CopyCommand cmd = new CopyCommand(srcData.getTO(), addFullCloneFlagOnVMwareDest(volObj.getTO()), _createVolumeFromSnapshotWait, VirtualMachineManager.ExecuteInSequence.value());
        Answer answer = null;
        if (ep == null) {
            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 (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);
        }
    }
}

Example 8 with DataObject

use of org.apache.cloudstack.engine.subsystem.api.storage.DataObject in project cloudstack by apache.

the class TemplateServiceImpl method copyTemplate.

@Override
public AsyncCallFuture<TemplateApiResult> copyTemplate(TemplateInfo srcTemplate, DataStore destStore) {
    // Need to understand what is the background to use two different urls for copy and extract.
    if (srcTemplate.getFormat() == ImageFormat.OVA) {
        ImageStoreEntity tmpltStore = (ImageStoreEntity) srcTemplate.getDataStore();
        tmpltStore.createEntityExtractUrl(srcTemplate.getInstallPath(), srcTemplate.getFormat(), srcTemplate);
    }
    // generate a URL from source template ssvm to download to destination data store
    String url = generateCopyUrl(srcTemplate);
    if (url == null) {
        s_logger.warn("Unable to start/resume copy of template " + srcTemplate.getUniqueName() + " to " + destStore.getName() + ", no secondary storage vm in running state in source zone");
        throw new CloudRuntimeException("No secondary VM in running state in source template zone ");
    }
    TemplateObject tmplForCopy = (TemplateObject) _templateFactory.getTemplate(srcTemplate, destStore);
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Setting source template url to " + url);
    }
    tmplForCopy.setUrl(url);
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Mark template_store_ref entry as Creating");
    }
    AsyncCallFuture<TemplateApiResult> future = new AsyncCallFuture<TemplateApiResult>();
    DataObject templateOnStore = destStore.create(tmplForCopy);
    templateOnStore.processEvent(Event.CreateOnlyRequested);
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Invoke datastore driver createAsync to create template on destination store");
    }
    try {
        TemplateOpContext<TemplateApiResult> context = new TemplateOpContext<TemplateApiResult>(null, (TemplateObject) templateOnStore, future);
        AsyncCallbackDispatcher<TemplateServiceImpl, CreateCmdResult> caller = AsyncCallbackDispatcher.create(this);
        caller.setCallback(caller.getTarget().copyTemplateCrossZoneCallBack(null, null)).setContext(context);
        destStore.getDriver().createAsync(destStore, templateOnStore, caller);
    } catch (CloudRuntimeException ex) {
        // clean up already persisted template_store_ref entry in case of createTemplateCallback is never called
        TemplateDataStoreVO templateStoreVO = _vmTemplateStoreDao.findByStoreTemplate(destStore.getId(), srcTemplate.getId());
        if (templateStoreVO != null) {
            TemplateInfo tmplObj = _templateFactory.getTemplate(srcTemplate, destStore);
            tmplObj.processEvent(ObjectInDataStoreStateMachine.Event.OperationFailed);
        }
        TemplateApiResult res = new TemplateApiResult((TemplateObject) templateOnStore);
        res.setResult(ex.getMessage());
        future.complete(res);
    }
    return future;
}

Example 9 with DataObject

use of org.apache.cloudstack.engine.subsystem.api.storage.DataObject in project cloudstack by apache.

the class AncientDataMotionStrategy method copyVolumeBetweenPools.

protected Answer copyVolumeBetweenPools(DataObject srcData, DataObject destData) {
    String value = configDao.getValue(Config.CopyVolumeWait.key());
    int _copyvolumewait = NumbersUtil.parseInt(value, Integer.parseInt(Config.CopyVolumeWait.getDefaultValue()));
    Scope destScope = getZoneScope(destData.getDataStore().getScope());
    DataStore cacheStore = cacheMgr.getCacheStorage(destScope);
    if (cacheStore == null) {
        // need to find a nfs or cifs image store, assuming that can't copy volume
        // directly to s3
        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;
        }
        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);
        CopyCommand cmd = new CopyCommand(objOnImageStore.getTO(), addFullCloneFlagOnVMwareDest(destData.getTO()), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
        EndPoint ep = selector.select(objOnImageStore, destData);
        if (ep == null) {
            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 {
        DataObject cacheData = cacheMgr.createCacheObject(srcData, destScope);
        CopyCommand cmd = new CopyCommand(cacheData.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
        EndPoint ep = selector.select(cacheData, destData);
        Answer answer = null;
        if (ep == null) {
            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 10 with DataObject

use of org.apache.cloudstack.engine.subsystem.api.storage.DataObject in project cloudstack by apache.

the class AncientDataMotionStrategy method cacheSnapshotChain.

protected DataObject cacheSnapshotChain(SnapshotInfo snapshot, Scope scope) {
    DataObject leafData = null;
    DataStore store = cacheMgr.getCacheStorage(snapshot, scope);
    while (snapshot != null) {
        DataObject cacheData = cacheMgr.createCacheObject(snapshot, store);
        if (leafData == null) {
            leafData = cacheData;
        }
        snapshot = snapshot.getParent();
    }
    return leafData;
}