Examples of org.apache.cloudstack.engine.subsystem.api.storage.DataObject

Package org.apache.cloudstack.engine.subsystem.api.storage

Examples of org.apache.cloudstack.engine.subsystem.api.storage.DataObject

org.apache.cloudstack.engine.subsystem.api.storage.DataObject

    }


    protected Void createVolumeCallback(AsyncCallbackDispatcher<VolumeServiceImpl, CreateCmdResult> callback,
            CreateVolumeContext<VolumeApiResult> context) {
        CreateCmdResult result = callback.getResult();
        DataObject vo = context.getVolume();
        String errMsg = null;
        if (result.isSuccess()) {
            vo.processEvent(Event.OperationSuccessed, result.getAnswer());
        } else {
            vo.processEvent(Event.OperationFailed);
            errMsg = result.getResult();
        }
        VolumeApiResult volResult = new VolumeApiResult((VolumeObject) vo);
        if (errMsg != null) {
            volResult.setResult(errMsg);

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    @DB
    protected void createBaseImageAsync(VolumeInfo volume, PrimaryDataStore dataStore, TemplateInfo template,
            AsyncCallFuture<VolumeApiResult> future) {


        DataObject templateOnPrimaryStoreObj = dataStore.create(template);


        VMTemplateStoragePoolVO templatePoolRef = _tmpltPoolDao.findByPoolTemplate(dataStore.getId(), template.getId());
        if (templatePoolRef == null) {
            throw new CloudRuntimeException("Failed to find template " + template.getUniqueName() + " in storage pool " + dataStore.getId());
        } else {
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Found template " + template.getUniqueName() + " in storage pool " + dataStore.getId() + " with VMTemplateStoragePool id: "
                        + templatePoolRef.getId());
            }
        }
        long templatePoolRefId = templatePoolRef.getId();
        CreateBaseImageContext<CreateCmdResult> context = new CreateBaseImageContext<CreateCmdResult>(null, volume,
                dataStore, template, future, templateOnPrimaryStoreObj, templatePoolRefId);
        AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
        caller.setCallback(caller.getTarget().copyBaseImageCallback(null, null)).setContext(context);


        int storagePoolMaxWaitSeconds = NumbersUtil.parseInt(
                configDao.getValue(Config.StoragePoolMaxWaitSeconds.key()), 3600);
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Acquire lock on VMTemplateStoragePool " + templatePoolRefId + " with timeout " + storagePoolMaxWaitSeconds + " seconds");
        }
        templatePoolRef = _tmpltPoolDao.acquireInLockTable(templatePoolRefId, storagePoolMaxWaitSeconds);


        if (templatePoolRef == null) {
            if (s_logger.isDebugEnabled()) {
                s_logger.info("Unable to acquire lock on VMTemplateStoragePool " + templatePoolRefId);
            }
            templatePoolRef = _tmpltPoolDao.findByPoolTemplate(dataStore.getId(), template.getId());
            if (templatePoolRef.getState() == ObjectInDataStoreStateMachine.State.Ready ) {
                s_logger.info("Unable to acquire lock on VMTemplateStoragePool " + templatePoolRefId + ", But Template " + template.getUniqueName() + " is already copied to primary storage, skip copying");
                createVolumeFromBaseImageAsync(volume, templateOnPrimaryStoreObj, dataStore, future);
                return;
            }
            throw new CloudRuntimeException("Unable to acquire lock on VMTemplateStoragePool: " + templatePoolRefId);
        }


        if (s_logger.isDebugEnabled()) {
            s_logger.info("lock is acquired for VMTemplateStoragePool " + templatePoolRefId);
        }
        try {
            if (templatePoolRef.getState() == ObjectInDataStoreStateMachine.State.Ready ) {
                s_logger.info("Template " + template.getUniqueName() + " is already copied to primary storage, skip copying");
                createVolumeFromBaseImageAsync(volume, templateOnPrimaryStoreObj, dataStore, future);
                return;
            }
            templateOnPrimaryStoreObj.processEvent(Event.CreateOnlyRequested);
            motionSrv.copyAsync(template, templateOnPrimaryStoreObj, caller);
        } catch (Throwable e) {
            s_logger.debug("failed to create template on storage", e);
            templateOnPrimaryStoreObj.processEvent(Event.OperationFailed);
            dataStore.create(template);  // make sure that template_spool_ref entry is still present so that the second thread can acquire the lock
            VolumeApiResult result = new VolumeApiResult(volume);
            result.setResult(e.toString());
            future.complete(result);
        } finally {

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            CreateBaseImageContext<VolumeApiResult> context) {
        CopyCommandResult result = callback.getResult();
        VolumeApiResult res = new VolumeApiResult(context.getVolume());


        AsyncCallFuture<VolumeApiResult> future = context.getFuture();
        DataObject templateOnPrimaryStoreObj = context.destObj;
        if (!result.isSuccess()) {
            templateOnPrimaryStoreObj.processEvent(Event.OperationFailed);
            _tmpltPoolDao.releaseFromLockTable(context.getTemplatePoolId());
            res.setResult(result.getResult());
            future.complete(res);
            return null;
        }


        templateOnPrimaryStoreObj.processEvent(Event.OperationSuccessed, result.getAnswer());
        _tmpltPoolDao.releaseFromLockTable(context.getTemplatePoolId());
        createVolumeFromBaseImageAsync(context.volume, templateOnPrimaryStoreObj, context.dataStore, future);
        return null;
    }

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    }


    @DB
    protected void createVolumeFromBaseImageAsync(VolumeInfo volume, DataObject templateOnPrimaryStore,
            PrimaryDataStore pd, AsyncCallFuture<VolumeApiResult> future) {
        DataObject volumeOnPrimaryStorage = pd.create(volume);
        volumeOnPrimaryStorage.processEvent(Event.CreateOnlyRequested);


        CreateVolumeFromBaseImageContext<VolumeApiResult> context = new CreateVolumeFromBaseImageContext<VolumeApiResult>(
                null, volumeOnPrimaryStorage, pd, templateOnPrimaryStore, future, null);
        AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
        caller.setCallback(caller.getTarget().createVolumeFromBaseImageCallBack(null, null));

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    @DB
    protected Void createVolumeFromBaseImageCallBack(
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> callback,
            CreateVolumeFromBaseImageContext<VolumeApiResult> context) {
        DataObject vo = context.vo;
        DataObject tmplOnPrimary = context.templateOnStore;
        CopyCommandResult result = callback.getResult();
        VolumeApiResult volResult = new VolumeApiResult((VolumeObject) vo);


        if (result.isSuccess()) {
            vo.processEvent(Event.OperationSuccessed, result.getAnswer());
        } else {


            vo.processEvent(Event.OperationFailed);
            volResult.setResult(result.getResult());
            // hack for Vmware: host is down, previously download template to the host needs to be re-downloaded, so we need to reset
            // template_spool_ref entry here to NOT_DOWNLOADED and Allocated state
            Answer ans = result.getAnswer();
            if ( ans != null && ans instanceof CopyCmdAnswer && ans.getDetails().contains("request template reload")){
                if (tmplOnPrimary != null){
                    s_logger.info("Reset template_spool_ref entry so that vmware template can be reloaded in next try");
                    VMTemplateStoragePoolVO templatePoolRef = _tmpltPoolDao.findByPoolTemplate(tmplOnPrimary.getDataStore().getId(), tmplOnPrimary.getId());
                    if (templatePoolRef != null) {
                        long templatePoolRefId = templatePoolRef.getId();
                        templatePoolRef = _tmpltPoolDao.acquireInLockTable(templatePoolRefId, 1200);
                        if (templatePoolRef == null) {
                            s_logger.warn("Reset Template State On Pool failed - unable to lock TemplatePoolRef " + templatePoolRefId);

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    public AsyncCallFuture<VolumeApiResult> createVolumeFromSnapshot(VolumeInfo volume, DataStore store,
            SnapshotInfo snapshot) {
        AsyncCallFuture<VolumeApiResult> future = new AsyncCallFuture<VolumeApiResult>();


        try {
            DataObject volumeOnStore = store.create(volume);
            volumeOnStore.processEvent(Event.CreateOnlyRequested);
            snapshot.processEvent(Event.CopyingRequested);
            CreateVolumeFromBaseImageContext<VolumeApiResult> context = new CreateVolumeFromBaseImageContext<VolumeApiResult>(
                    null, volume, store, volumeOnStore, future, snapshot);
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
            caller.setCallback(caller.getTarget().createVolumeFromSnapshotCallback(null, null)).setContext(context);

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    @Override
    public AsyncCallFuture<VolumeApiResult> registerVolume(VolumeInfo volume, DataStore store) {


        AsyncCallFuture<VolumeApiResult> future = new AsyncCallFuture<VolumeApiResult>();
        DataObject volumeOnStore = store.create(volume);


        volumeOnStore.processEvent(Event.CreateOnlyRequested);


        try {
            CreateVolumeContext<VolumeApiResult> context = new CreateVolumeContext<VolumeApiResult>(null, volumeOnStore,
                    future);
            AsyncCallbackDispatcher<VolumeServiceImpl, CreateCmdResult> caller = AsyncCallbackDispatcher.create(this);

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                //For CLVM, we need to pass template on secondary storage to hypervisor
                String value = configDao.getValue(Config.PrimaryStorageDownloadWait.toString());
                int _primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue()));
                StoragePoolVO storagePoolVO = primaryStoreDao.findById(store.getId());
                DataStore imageStore = templateManager.getImageStore(storagePoolVO.getDataCenterId(), srcdata.getId());
                DataObject srcData = templateDataFactory.getTemplate(srcdata.getId(), imageStore);


                CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _primaryStorageDownloadWait, true);
                EndPoint ep = epSelector.select(srcData, 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);

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    }


    @Override
    public void createAsync(DataObject data, DataStore store, AsyncCompletionCallback<CreateCmdResult> callback, boolean noCopy) {
        DataObjectInStore obj = objectInDataStoreMgr.findObject(data, store);
        DataObject objInStore = null;
        boolean freshNewTemplate = false;
        if (obj == null) {
            try {
                objInStore = objectInDataStoreMgr.create(data, store);
                freshNewTemplate = true;

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        return;
    }


    protected Void createAsynCallback(AsyncCallbackDispatcher<DataObjectManagerImpl, CreateCmdResult> callback, CreateContext<CreateCmdResult> context) {
        CreateCmdResult result = callback.getResult();
        DataObject objInStrore = context.objInStrore;
        CreateCmdResult upResult = new CreateCmdResult(null, null);
        if (result.isFailed()) {
            upResult.setResult(result.getResult());
            context.getParentCallback().complete(upResult);
            return null;

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