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

Example 1 with State

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

the class TemplateServiceImpl method handleTemplateSync.

@Override
public void handleTemplateSync(final DataStore store) {
    if (store == null) {
        s_logger.warn("Huh? image store is null");
        return;
    }
    final long storeId = store.getId();
    // add lock to make template sync for a data store only be done once
    final String lockString = "templatesync.storeId:" + storeId;
    final GlobalLock syncLock = GlobalLock.getInternLock(lockString);
    try {
        if (syncLock.lock(3)) {
            try {
                final Long zoneId = store.getScope().getScopeId();
                final Map<String, TemplateProp> templateInfos = listTemplate(store);
                if (templateInfos == null) {
                    return;
                }
                final Set<VMTemplateVO> toBeDownloaded = new HashSet<>();
                List<VMTemplateVO> allTemplates = null;
                if (zoneId == null) {
                    // region wide store
                    allTemplates = _templateDao.listByState(VirtualMachineTemplate.State.Active, VirtualMachineTemplate.State.NotUploaded, VirtualMachineTemplate.State.UploadInProgress);
                } else {
                    // zone wide store
                    allTemplates = _templateDao.listInZoneByState(zoneId, VirtualMachineTemplate.State.Active, VirtualMachineTemplate.State.NotUploaded, VirtualMachineTemplate.State.UploadInProgress);
                }
                final List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();
                final List<VMTemplateVO> defaultBuiltin = _templateDao.listDefaultBuiltinTemplates();
                if (rtngTmplts != null) {
                    for (final VMTemplateVO rtngTmplt : rtngTmplts) {
                        if (!allTemplates.contains(rtngTmplt)) {
                            allTemplates.add(rtngTmplt);
                        }
                    }
                }
                if (defaultBuiltin != null) {
                    for (final VMTemplateVO builtinTmplt : defaultBuiltin) {
                        if (!allTemplates.contains(builtinTmplt)) {
                            allTemplates.add(builtinTmplt);
                        }
                    }
                }
                toBeDownloaded.addAll(allTemplates);
                final StateMachine2<VirtualMachineTemplate.State, VirtualMachineTemplate.Event, VirtualMachineTemplate> stateMachine = VirtualMachineTemplate.State.getStateMachine();
                for (final VMTemplateVO tmplt : allTemplates) {
                    final String uniqueName = tmplt.getUniqueName();
                    TemplateDataStoreVO tmpltStore = _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
                    if (templateInfos.containsKey(uniqueName)) {
                        final TemplateProp tmpltInfo = templateInfos.remove(uniqueName);
                        toBeDownloaded.remove(tmplt);
                        if (tmpltStore != null) {
                            s_logger.info("Template Sync found " + uniqueName + " already in the image store");
                            if (tmpltStore.getDownloadState() != Status.DOWNLOADED) {
                                tmpltStore.setErrorString("");
                            }
                            if (tmpltInfo.isCorrupted()) {
                                tmpltStore.setDownloadState(Status.DOWNLOAD_ERROR);
                                String msg = "Template " + tmplt.getName() + ":" + tmplt.getId() + " is corrupted on secondary storage " + tmpltStore.getId();
                                tmpltStore.setErrorString(msg);
                                s_logger.info(msg);
                                _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_UPLOAD_FAILED, zoneId, null, msg, msg);
                                if (tmplt.getState() == VirtualMachineTemplate.State.NotUploaded || tmplt.getState() == VirtualMachineTemplate.State.UploadInProgress) {
                                    s_logger.info("Template Sync found " + uniqueName + " on image store " + storeId + " uploaded using SSVM as corrupted, marking it as " + "failed");
                                    tmpltStore.setState(State.Failed);
                                    try {
                                        stateMachine.transitTo(tmplt, VirtualMachineTemplate.Event.OperationFailed, null, _templateDao);
                                    } catch (final NoTransitionException e) {
                                        s_logger.error("Unexpected state transition exception for template " + tmplt.getName() + ". Details: " + e.getMessage());
                                    }
                                } else if (tmplt.getUrl() == null) {
                                    msg = "Private template (" + tmplt + ") with install path " + tmpltInfo.getInstallPath() + " is corrupted, please check in image store: " + tmpltStore.getDataStoreId();
                                    s_logger.warn(msg);
                                } else {
                                    s_logger.info("Removing template_store_ref entry for corrupted template " + tmplt.getName());
                                    _vmTemplateStoreDao.remove(tmpltStore.getId());
                                    toBeDownloaded.add(tmplt);
                                }
                            } else {
                                tmpltStore.setDownloadPercent(100);
                                tmpltStore.setDownloadState(Status.DOWNLOADED);
                                tmpltStore.setState(ObjectInDataStoreStateMachine.State.Ready);
                                tmpltStore.setInstallPath(tmpltInfo.getInstallPath());
                                tmpltStore.setSize(tmpltInfo.getSize());
                                tmpltStore.setPhysicalSize(tmpltInfo.getPhysicalSize());
                                tmpltStore.setLastUpdated(new Date());
                                // update size in vm_template table
                                final VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
                                tmlpt.setSize(tmpltInfo.getSize());
                                _templateDao.update(tmplt.getId(), tmlpt);
                                if (tmplt.getState() == VirtualMachineTemplate.State.NotUploaded || tmplt.getState() == VirtualMachineTemplate.State.UploadInProgress) {
                                    try {
                                        stateMachine.transitTo(tmplt, VirtualMachineTemplate.Event.OperationSucceeded, null, _templateDao);
                                    } catch (final NoTransitionException e) {
                                        s_logger.error("Unexpected state transition exception for template " + tmplt.getName() + ". Details: " + e.getMessage());
                                    }
                                }
                                // which already got checked and incremented during createTemplate API call.
                                if (tmpltInfo.getSize() > 0 && tmplt.getAccountId() != Account.ACCOUNT_ID_SYSTEM && tmplt.getUrl() != null) {
                                    final long accountId = tmplt.getAccountId();
                                    try {
                                        _resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(accountId), com.cloud.configuration.Resource.ResourceType.secondary_storage, tmpltInfo.getSize() - UriUtils.getRemoteSize(tmplt.getUrl()));
                                    } catch (final ResourceAllocationException e) {
                                        s_logger.warn(e.getMessage());
                                        _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED, zoneId, null, e.getMessage(), e.getMessage());
                                    } finally {
                                        _resourceLimitMgr.recalculateResourceCount(accountId, _accountMgr.getAccount(accountId).getDomainId(), com.cloud.configuration.Resource.ResourceType.secondary_storage.getOrdinal());
                                    }
                                }
                            }
                            _vmTemplateStoreDao.update(tmpltStore.getId(), tmpltStore);
                        } else {
                            tmpltStore = new TemplateDataStoreVO(storeId, tmplt.getId(), new Date(), 100, Status.DOWNLOADED, null, null, null, tmpltInfo.getInstallPath(), tmplt.getUrl());
                            tmpltStore.setSize(tmpltInfo.getSize());
                            tmpltStore.setPhysicalSize(tmpltInfo.getPhysicalSize());
                            tmpltStore.setDataStoreRole(store.getRole());
                            _vmTemplateStoreDao.persist(tmpltStore);
                            // update size in vm_template table
                            final VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
                            tmlpt.setSize(tmpltInfo.getSize());
                            _templateDao.update(tmplt.getId(), tmlpt);
                            associateTemplateToZone(tmplt.getId(), zoneId);
                        }
                    } else if (tmplt.getState() == VirtualMachineTemplate.State.NotUploaded || tmplt.getState() == VirtualMachineTemplate.State.UploadInProgress) {
                        s_logger.info("Template Sync did not find " + uniqueName + " on image store " + storeId + " uploaded using SSVM, marking it as failed");
                        toBeDownloaded.remove(tmplt);
                        tmpltStore.setDownloadState(Status.DOWNLOAD_ERROR);
                        final String msg = "Template " + tmplt.getName() + ":" + tmplt.getId() + " is corrupted on secondary storage " + tmpltStore.getId();
                        tmpltStore.setErrorString(msg);
                        tmpltStore.setState(State.Failed);
                        _vmTemplateStoreDao.update(tmpltStore.getId(), tmpltStore);
                        try {
                            stateMachine.transitTo(tmplt, VirtualMachineTemplate.Event.OperationFailed, null, _templateDao);
                        } catch (final NoTransitionException e) {
                            s_logger.error("Unexpected state transition exception for template " + tmplt.getName() + ". Details: " + e.getMessage());
                        }
                    } else {
                        s_logger.info("Template Sync did not find " + uniqueName + " on image store " + storeId + ", may request download based on available hypervisor types");
                        if (tmpltStore != null) {
                            if (_storeMgr.isRegionStore(store) && tmpltStore.getDownloadState() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED && tmpltStore.getState() == State.Ready && tmpltStore.getInstallPath() == null) {
                                s_logger.info("Keep fake entry in template store table for migration of previous NFS to object store");
                            } else if (tmpltStore.getState() == State.Ready && tmpltStore.getDownloadState() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
                                s_logger.info("Keep template " + uniqueName + " entry as state is Ready and downloaded. No need to download again.");
                            } else {
                                s_logger.info("Removing leftover template " + uniqueName + " entry from template store table");
                                // remove those leftover entries
                                _vmTemplateStoreDao.remove(tmpltStore.getId());
                            }
                        }
                    }
                }
                if (toBeDownloaded.size() > 0) {
                    /* Only download templates whose hypervirsor type is in the zone */
                    final List<HypervisorType> availHypers = _clusterDao.getAvailableHypervisorInZone(zoneId);
                    if (availHypers.isEmpty()) {
                        /*
                             * This is for cloudzone, local secondary storage resource
                             * started before cluster created
                             */
                        availHypers.add(HypervisorType.KVM);
                    }
                    // bug 9809: resume ISO
                    availHypers.add(HypervisorType.None);
                    // download.
                    for (final VMTemplateVO tmplt : toBeDownloaded) {
                        if (tmplt.getUrl() == null) {
                            // If url is null, skip downloading
                            s_logger.info("Skip downloading template " + tmplt.getUniqueName() + " since no url is specified.");
                            continue;
                        }
                        // means that this is a duplicate entry from migration of previous NFS to staging.
                        if (_storeMgr.isRegionStore(store)) {
                            final TemplateDataStoreVO tmpltStore = _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
                            if (tmpltStore != null && tmpltStore.getDownloadState() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED && tmpltStore.getState() == State.Ready && tmpltStore.getInstallPath() == null) {
                                s_logger.info("Skip sync template for migration of previous NFS to object store");
                                continue;
                            }
                        }
                        if (availHypers.contains(tmplt.getHypervisorType())) {
                            s_logger.info("Downloading template " + tmplt.getUniqueName() + " to image store " + store.getName());
                            associateTemplateToZone(tmplt.getId(), zoneId);
                            final TemplateInfo tmpl = _templateFactory.getTemplate(tmplt.getId(), DataStoreRole.Image);
                            createTemplateAsync(tmpl, store, null);
                        } else {
                            s_logger.info("Skip downloading of a template because it's not part of the supported hypervisors");
                        }
                    }
                }
                for (final String uniqueName : templateInfos.keySet()) {
                    final TemplateProp tInfo = templateInfos.get(uniqueName);
                    if (_tmpltMgr.templateIsDeleteable(tInfo.getId())) {
                        // we cannot directly call deleteTemplateSync here to reuse delete logic since in this case db does not have this template at all.
                        final TemplateObjectTO tmplTO = new TemplateObjectTO();
                        tmplTO.setDataStore(store.getTO());
                        tmplTO.setPath(tInfo.getInstallPath());
                        tmplTO.setId(tInfo.getId());
                        final DeleteCommand dtCommand = new DeleteCommand(tmplTO);
                        final EndPoint ep = _epSelector.select(store);
                        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(dtCommand, false, errMsg);
                        } else {
                            answer = ep.sendMessage(dtCommand);
                        }
                        if (answer == null || !answer.getResult()) {
                            s_logger.info("Failed to deleted template at store: " + store.getName());
                        } else {
                            final String description = "Deleted template " + tInfo.getTemplateName() + " on secondary storage " + storeId;
                            s_logger.info(description);
                        }
                    }
                }
            } finally {
                syncLock.unlock();
            }
        } else {
            s_logger.info("Couldn't get global lock on " + lockString + ", another thread may be doing template sync on data store " + storeId + " now.");
        }
    } finally {
        syncLock.releaseRef();
    }
}

Example 2 with State

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

the class StorageCacheManagerImpl method createCacheObject.

@Override
public DataObject createCacheObject(final DataObject data, final DataStore store) {
    DataObject objOnCacheStore = null;
    final Object lock;
    final DataObjectType type = data.getType();
    final String typeName;
    final long storeId = store.getId();
    final long dataId = data.getId();
    /*
         * Make sure any thread knows own lock type.
         */
    if (type == DataObjectType.TEMPLATE) {
        lock = templateLock;
        typeName = "template";
    } else if (type == DataObjectType.VOLUME) {
        lock = volumeLock;
        typeName = "volume";
    } else if (type == DataObjectType.SNAPSHOT) {
        lock = snapshotLock;
        typeName = "snapshot";
    } else {
        final String msg = "unsupported DataObject comes, then can't acquire correct lock object";
        throw new CloudRuntimeException(msg);
    }
    s_logger.debug("check " + typeName + " cache entry(id: " + dataId + ") on store(id: " + storeId + ")");
    DataObject existingDataObj = null;
    synchronized (lock) {
        DataObjectInStore obj = objectInStoreMgr.findObject(data, store);
        if (obj != null) {
            State st = obj.getState();
            final long miliSeconds = 10000;
            final long timeoutSeconds = 3600;
            final long timeoutMiliSeconds = timeoutSeconds * 1000;
            Date now = new Date();
            final long expiredEpoch = now.getTime() + timeoutMiliSeconds;
            final Date expiredDate = new Date(expiredEpoch);
            /*
                 * Waiting for completion of cache copy.
                 */
            while (st == ObjectInDataStoreStateMachine.State.Allocated || st == ObjectInDataStoreStateMachine.State.Creating || st == ObjectInDataStoreStateMachine.State.Copying) {
                /*
                     * Threads must release lock within waiting for cache copy and
                     * must be waken up at completion.
                     */
                s_logger.debug("waiting cache copy completion type: " + typeName + ", id: " + obj.getObjectId() + ", lock: " + lock.hashCode());
                try {
                    lock.wait(miliSeconds);
                } catch (final InterruptedException e) {
                    s_logger.debug("[ignored] interupted while waiting for cache copy completion.");
                }
                s_logger.debug("waken up");
                now = new Date();
                if (now.after(expiredDate)) {
                    final String msg = "Waiting time exceeds timeout limit(" + timeoutSeconds + " s)";
                    throw new CloudRuntimeException(msg);
                }
                obj = objectInStoreMgr.findObject(data, store);
                st = obj.getState();
            }
            if (st == ObjectInDataStoreStateMachine.State.Ready) {
                s_logger.debug("there is already one in the cache store");
                final DataObject dataObj = objectInStoreMgr.get(data, store);
                dataObj.incRefCount();
                existingDataObj = dataObj;
            }
        }
        if (existingDataObj == null) {
            s_logger.debug("create " + typeName + " cache entry(id: " + dataId + ") on store(id: " + storeId + ")");
            objOnCacheStore = store.create(data);
        }
        lock.notifyAll();
    }
    if (existingDataObj != null) {
        return existingDataObj;
    }
    if (objOnCacheStore == null) {
        s_logger.error("create " + typeName + " cache entry(id: " + dataId + ") on store(id: " + storeId + ") failed");
        return null;
    }
    final AsyncCallFuture<CopyCommandResult> future = new AsyncCallFuture<>();
    CopyCommandResult result = null;
    try {
        objOnCacheStore.processEvent(Event.CreateOnlyRequested);
        dataMotionSvr.copyAsync(data, objOnCacheStore, future);
        result = future.get();
        if (result.isFailed()) {
            objOnCacheStore.processEvent(Event.OperationFailed);
        } else {
            objOnCacheStore.processEvent(Event.OperationSuccessed, result.getAnswer());
            objOnCacheStore.incRefCount();
            return objOnCacheStore;
        }
    } catch (final InterruptedException e) {
        s_logger.debug("create cache storage failed: " + e.toString());
        throw new CloudRuntimeException(e);
    } catch (final ExecutionException e) {
        s_logger.debug("create cache storage failed: " + e.toString());
        throw new CloudRuntimeException(e);
    } finally {
        if (result == null) {
            objOnCacheStore.processEvent(Event.OperationFailed);
        }
        synchronized (lock) {
            /*
                 * Wake up all threads waiting for cache copy.
                 */
            s_logger.debug("wake up all waiting threads(lock: " + lock.hashCode() + ")");
            lock.notifyAll();
        }
    }
    return null;
}