Package com.cloud.storage

Examples of com.cloud.storage.VMTemplateStoragePoolVO

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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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    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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            return tmpl;
        }
        // verify if the given input parameters are consistent with our db data.
        boolean found = false;
        if (store.getRole() == DataStoreRole.Primary) {
            VMTemplateStoragePoolVO templatePoolVO = templatePoolDao.findByPoolTemplate(store.getId(), templateId);
            if (templatePoolVO != null) {
                found = true;
            }
        } else {
            TemplateDataStoreVO templateStoreVO = templateStoreDao.findByStoreTemplate(store.getId(), templateId);
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        return (objectInStoreMgr.findObject(data, data.getDataStore()) != null) ? true : false;
    }

    @Override
    public TemplateInfo getTemplate(long templateId) {
        VMTemplateStoragePoolVO template = templatePoolDao.findByPoolTemplate(getId(), templateId);
        if (template == null || template.getState() != ObjectInDataStoreStateMachine.State.Ready) {
            return null;
        }
        return imageDataFactory.getTemplate(templateId, this);
    }
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    public DataObject create(DataObject obj) {
        // create template on primary storage
        if (obj.getType() == DataObjectType.TEMPLATE) {
            try{
                String templateIdPoolIdString = "templateId:" + obj.getId() + "poolId:" + getId();
                VMTemplateStoragePoolVO templateStoragePoolRef;
                GlobalLock lock = GlobalLock.getInternLock(templateIdPoolIdString);
                if (!lock.lock(5)) {
                    s_logger.debug("Couldn't lock the db on the string " + templateIdPoolIdString);
                    return null;
                }
                try {
                    templateStoragePoolRef = templatePoolDao.findByPoolTemplate(getId(),
                            obj.getId());
                    if (templateStoragePoolRef == null) {

                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug("Not found (" + templateIdPoolIdString + ") in template_spool_ref, persisting it");
                        }
                        templateStoragePoolRef = new VMTemplateStoragePoolVO(getId(), obj.getId());
                        templateStoragePoolRef = templatePoolDao.persist(templateStoragePoolRef);
                    }
                } catch (Throwable t) {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug("Failed to insert (" + templateIdPoolIdString +  ") to template_spool_ref", t);
                        }
                        templateStoragePoolRef = templatePoolDao.findByPoolTemplate(getId(), obj.getId());
                        if (templateStoragePoolRef == null) {
                            throw new CloudRuntimeException("Failed to create template storage pool entry");
                        } else {
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Another thread already inserts " + templateStoragePoolRef.getId() + " to template_spool_ref", t);
                            }
                        }
                }finally {
                        lock.unlock();
                        lock.releaseRef();
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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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