Package com.cloud.storage

Examples of com.cloud.storage.VMTemplateStoragePoolVO

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    @Override
    public DataObject create(DataObject obj, DataStore dataStore) {
        if (dataStore.getRole() == DataStoreRole.Primary) {
            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());
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    public boolean delete(DataObject dataObj) {
        long objId = dataObj.getId();
        DataStore dataStore = dataObj.getDataStore();
        if (dataStore.getRole() == DataStoreRole.Primary) {
            if (dataObj.getType() == DataObjectType.TEMPLATE) {
                VMTemplateStoragePoolVO destTmpltPool = templatePoolDao.findByPoolTemplate(dataStore.getId(), objId);
                if (destTmpltPool != null) {
                    return templatePoolDao.remove(destTmpltPool.getId());
                } else {
                    s_logger.warn("Template " + objId + " is not found on storage pool " + dataStore.getId()
                            + ", so no need to delete");
                    return true;
                }
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    public boolean deleteIfNotReady(DataObject dataObj) {
        long objId = dataObj.getId();
        DataStore dataStore = dataObj.getDataStore();
        if (dataStore.getRole() == DataStoreRole.Primary) {
            if (dataObj.getType() == DataObjectType.TEMPLATE) {
                VMTemplateStoragePoolVO destTmpltPool = templatePoolDao.findByPoolTemplate(dataStore.getId(), objId);
                if (destTmpltPool != null && destTmpltPool.getState() != ObjectInDataStoreStateMachine.State.Ready) {
                    return templatePoolDao.remove(destTmpltPool.getId());
                } 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) {
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    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);
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            // 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);
                        }
                       
                        try {
                            templatePoolRef.setDownloadState(VMTemplateStorageResourceAssoc.Status.NOT_DOWNLOADED);
                            templatePoolRef.setState(ObjectInDataStoreStateMachine.State.Allocated);
                            _tmpltPoolDao.update(templatePoolRefId, templatePoolRef);
                        } finally {
                            _tmpltPoolDao.releaseFromLockTable(templatePoolRefId);
                        }
                    }
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    public VMTemplateStoragePoolVO prepareTemplateForCreate(VMTemplateVO templ, StoragePool pool) {
        VMTemplateVO template = _tmpltDao.findById(templ.getId(), true);

        long poolId = pool.getId();
        long templateId = template.getId();
        VMTemplateStoragePoolVO templateStoragePoolRef = null;
        TemplateDataStoreVO templateStoreRef = null;

        templateStoragePoolRef = _tmpltPoolDao.findByPoolTemplate(poolId, templateId);
        if (templateStoragePoolRef != null) {
            templateStoragePoolRef.setMarkedForGC(false);
            _tmpltPoolDao.update(templateStoragePoolRef.getId(), templateStoragePoolRef);

            if (templateStoragePoolRef.getDownloadState() == Status.DOWNLOADED) {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("Template " + templateId + " has already been downloaded to pool " + poolId);
                }

                return templateStoragePoolRef;
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    @Override
    @DB
    public boolean resetTemplateDownloadStateOnPool(long templateStoragePoolRefId) {
        // have to use the same lock that prepareTemplateForCreate use to
        // maintain state consistency
        VMTemplateStoragePoolVO templateStoragePoolRef = _tmpltPoolDao.acquireInLockTable(templateStoragePoolRefId, 1200);

        if (templateStoragePoolRef == null) {
            s_logger.warn("resetTemplateDownloadStateOnPool failed - unable to lock TemplateStorgePoolRef " + templateStoragePoolRefId);
            return false;
        }

        try {
            templateStoragePoolRef.setDownloadState(VMTemplateStorageResourceAssoc.Status.NOT_DOWNLOADED);
            _tmpltPoolDao.update(templateStoragePoolRefId, templateStoragePoolRef);
        } finally {
            _tmpltPoolDao.releaseFromLockTable(templateStoragePoolRefId);
        }
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    @Override
    @DB
    public void evictTemplateFromStoragePool(VMTemplateStoragePoolVO templatePoolVO) {
        //Need to hold the lock, otherwise, another thread may create a volume from the template at the same time.
        //Assumption here is that, we will hold the same lock during create volume from template
        VMTemplateStoragePoolVO templatePoolRef = _tmpltPoolDao.acquireInLockTable(templatePoolVO.getId());
        if (templatePoolRef == null) {
           s_logger.debug("can't aquire the lock for template pool ref:" + templatePoolVO.getId());
           return;
        }

        try {
            StoragePool pool = (StoragePool) _dataStoreMgr.getPrimaryDataStore(templatePoolVO.getPoolId());
            VMTemplateVO template = _tmpltDao.findByIdIncludingRemoved(templatePoolVO.getTemplateId());

            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Evicting " + templatePoolVO);
            }
            DestroyCommand cmd = new DestroyCommand(pool, templatePoolVO);

            try {
                Answer answer = _storageMgr.sendToPool(pool, cmd);

                if (answer != null && answer.getResult()) {
                    // Remove the templatePoolVO
                    if (_tmpltPoolDao.remove(templatePoolVO.getId())) {
                        s_logger.debug("Successfully evicted template: " + template.getName() + " from storage pool: " + pool.getName());
                    }
                } else {
                    s_logger.info("Will retry evicte template: " + template.getName() + " from storage pool: " + pool.getName());
                }
            } catch (StorageUnavailableException e) {
                s_logger.info("Storage is unavailable currently.  Will retry evicte template: " + template.getName() + " from storage pool: "
                        + pool.getName());
            }
        } finally {
            _tmpltPoolDao.releaseFromLockTable(templatePoolRef.getId());
        }

    }
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    @Override
    public DataObject create(DataObject obj, DataStore dataStore) {
        if (dataStore.getRole() == DataStoreRole.Primary) {
            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());
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    public boolean delete(DataObject dataObj) {
        long objId = dataObj.getId();
        DataStore dataStore = dataObj.getDataStore();
        if (dataStore.getRole() == DataStoreRole.Primary) {
            if (dataObj.getType() == DataObjectType.TEMPLATE) {
                VMTemplateStoragePoolVO destTmpltPool = templatePoolDao.findByPoolTemplate(dataStore.getId(), objId);
                if (destTmpltPool != null) {
                    return templatePoolDao.remove(destTmpltPool.getId());
                } else {
                    s_logger.warn("Template " + objId + " is not found on storage pool " + dataStore.getId() + ", so no need to delete");
                    return true;
                }
            }
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Related Classes of com.cloud.storage.VMTemplateStoragePoolVO

  • com.cloud.storage.dao.VMTemplatePoolDaoImpl
  • com.cloud.template.TemplateManagerImpl
  • org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl
  • org.apache.cloudstack.storage.datastore.PrimaryDataStoreImpl
  • org.apache.cloudstack.storage.image.store.TemplateObject
  • org.apache.cloudstack.storage.image.TemplateDataFactoryImpl
  • org.apache.cloudstack.storage.volume.VolumeServiceImpl
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