Examples with GlobalLock com.cloud.utils.db.GlobalLock used on opensource projects

Example 26 with GlobalLock

use of com.cloud.utils.db.GlobalLock in project cloudstack by apache.

the class VirtualMachineManagerImpl method cancelWorkItems.

protected void cancelWorkItems(final long nodeId) {
    final GlobalLock scanLock = GlobalLock.getInternLock("vmmgr.cancel.workitem");
    try {
        if (scanLock.lock(3)) {
            try {
                final List<ItWorkVO> works = _workDao.listWorkInProgressFor(nodeId);
                for (final ItWorkVO work : works) {
                    s_logger.info("Handling unfinished work item: " + work);
                    try {
                        final VMInstanceVO vm = _vmDao.findById(work.getInstanceId());
                        if (vm != null) {
                            if (work.getType() == State.Starting) {
                                _haMgr.scheduleRestart(vm, true);
                                work.setManagementServerId(_nodeId);
                                work.setStep(Step.Done);
                                _workDao.update(work.getId(), work);
                            } else if (work.getType() == State.Stopping) {
                                _haMgr.scheduleStop(vm, vm.getHostId(), WorkType.CheckStop);
                                work.setManagementServerId(_nodeId);
                                work.setStep(Step.Done);
                                _workDao.update(work.getId(), work);
                            } else if (work.getType() == State.Migrating) {
                                _haMgr.scheduleMigration(vm);
                                work.setStep(Step.Done);
                                _workDao.update(work.getId(), work);
                            }
                        }
                    } catch (final Exception e) {
                        s_logger.error("Error while handling " + work, e);
                    }
                }
            } finally {
                scanLock.unlock();
            }
        }
    } finally {
        scanLock.releaseRef();
    }
}

Example 27 with GlobalLock

use of com.cloud.utils.db.GlobalLock in project cloudstack by apache.

the class DatabaseUpgradeChecker method check.

@Override
public void check() {
    GlobalLock lock = GlobalLock.getInternLock("DatabaseUpgrade");
    try {
        s_logger.info("Grabbing lock to check for database upgrade.");
        if (!lock.lock(20 * 60)) {
            throw new CloudRuntimeException("Unable to acquire lock to check for database integrity.");
        }
        try {
            final CloudStackVersion dbVersion = CloudStackVersion.parse(_dao.getCurrentVersion());
            final String currentVersionValue = this.getClass().getPackage().getImplementationVersion();
            if (StringUtils.isBlank(currentVersionValue)) {
                return;
            }
            final CloudStackVersion currentVersion = CloudStackVersion.parse(currentVersionValue);
            s_logger.info("DB version = " + dbVersion + " Code Version = " + currentVersion);
            if (dbVersion.compareTo(currentVersion) > 0) {
                throw new CloudRuntimeException("Database version " + dbVersion + " is higher than management software version " + currentVersionValue);
            }
            if (dbVersion.compareTo(currentVersion) == 0) {
                s_logger.info("DB version and code version matches so no upgrade needed.");
                return;
            }
            upgrade(dbVersion, currentVersion);
        } finally {
            lock.unlock();
        }
    } finally {
        lock.releaseRef();
    }
}

Example 28 with GlobalLock

use of com.cloud.utils.db.GlobalLock in project cloudstack by apache.

the class TemplateServiceImpl method handleTemplateSync.

@Override
public void handleTemplateSync(DataStore store) {
    if (store == null) {
        s_logger.warn("Huh? image store is null");
        return;
    }
    long storeId = store.getId();
    // add lock to make template sync for a data store only be done once
    String lockString = "templatesync.storeId:" + storeId;
    GlobalLock syncLock = GlobalLock.getInternLock(lockString);
    try {
        if (syncLock.lock(3)) {
            try {
                Long zoneId = store.getScope().getScopeId();
                Map<String, TemplateProp> templateInfos = listTemplate(store);
                if (templateInfos == null) {
                    return;
                }
                Set<VMTemplateVO> toBeDownloaded = new HashSet<VMTemplateVO>();
                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);
                }
                List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();
                List<VMTemplateVO> defaultBuiltin = _templateDao.listDefaultBuiltinTemplates();
                if (rtngTmplts != null) {
                    for (VMTemplateVO rtngTmplt : rtngTmplts) {
                        if (!allTemplates.contains(rtngTmplt)) {
                            allTemplates.add(rtngTmplt);
                        }
                    }
                }
                if (defaultBuiltin != null) {
                    for (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 (VMTemplateVO tmplt : allTemplates) {
                    String uniqueName = tmplt.getUniqueName();
                    TemplateDataStoreVO tmpltStore = _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
                    if (templateInfos.containsKey(uniqueName)) {
                        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 (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 {
                                if (tmpltStore.getDownloadState() != Status.DOWNLOADED) {
                                    String etype = EventTypes.EVENT_TEMPLATE_CREATE;
                                    if (tmplt.getFormat() == ImageFormat.ISO) {
                                        etype = EventTypes.EVENT_ISO_CREATE;
                                    }
                                    if (zoneId != null) {
                                        UsageEventUtils.publishUsageEvent(etype, tmplt.getAccountId(), zoneId, tmplt.getId(), tmplt.getName(), null, null, tmpltInfo.getPhysicalSize(), tmpltInfo.getSize(), VirtualMachineTemplate.class.getName(), tmplt.getUuid());
                                    }
                                }
                                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
                                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 (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) {
                                    long accountId = tmplt.getAccountId();
                                    try {
                                        _resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(accountId), com.cloud.configuration.Resource.ResourceType.secondary_storage, tmpltInfo.getSize() - UriUtils.getRemoteSize(tmplt.getUrl()));
                                    } catch (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
                            VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
                            tmlpt.setSize(tmpltInfo.getSize());
                            _templateDao.update(tmplt.getId(), tmlpt);
                            associateTemplateToZone(tmplt.getId(), zoneId);
                            String etype = EventTypes.EVENT_TEMPLATE_CREATE;
                            if (tmplt.getFormat() == ImageFormat.ISO) {
                                etype = EventTypes.EVENT_ISO_CREATE;
                            }
                            UsageEventUtils.publishUsageEvent(etype, tmplt.getAccountId(), zoneId, tmplt.getId(), tmplt.getName(), null, null, tmpltInfo.getPhysicalSize(), tmpltInfo.getSize(), VirtualMachineTemplate.class.getName(), tmplt.getUuid());
                        }
                    } 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);
                        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 (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 {
                                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 */
                    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);
                    }
                    /* Baremetal need not to download any template */
                    availHypers.remove(HypervisorType.BareMetal);
                    // bug 9809: resume ISO
                    availHypers.add(HypervisorType.None);
                    // download.
                    for (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;
                        }
                        // if this is private template, skip sync to a new image store
                        if (!tmplt.isPublicTemplate() && !tmplt.isFeatured() && tmplt.getTemplateType() != TemplateType.SYSTEM) {
                            s_logger.info("Skip sync downloading private template " + tmplt.getUniqueName() + " to a new image store");
                            continue;
                        }
                        // means that this is a duplicate entry from migration of previous NFS to staging.
                        if (_storeMgr.isRegionStore(store)) {
                            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);
                            TemplateInfo tmpl = _templateFactory.getTemplate(tmplt.getId(), store);
                            TemplateOpContext<TemplateApiResult> context = new TemplateOpContext<>(null, (TemplateObject) tmpl, null);
                            AsyncCallbackDispatcher<TemplateServiceImpl, TemplateApiResult> caller = AsyncCallbackDispatcher.create(this);
                            caller.setCallback(caller.getTarget().createTemplateAsyncCallBack(null, null));
                            caller.setContext(context);
                            createTemplateAsync(tmpl, store, caller);
                        } else {
                            s_logger.info("Skip downloading template " + tmplt.getUniqueName() + " since current data center does not have hypervisor " + tmplt.getHypervisorType().toString());
                        }
                    }
                }
                for (String uniqueName : templateInfos.keySet()) {
                    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.
                        TemplateObjectTO tmplTO = new TemplateObjectTO();
                        tmplTO.setDataStore(store.getTO());
                        tmplTO.setPath(tInfo.getInstallPath());
                        tmplTO.setId(tInfo.getId());
                        DeleteCommand dtCommand = new DeleteCommand(tmplTO);
                        EndPoint ep = _epSelector.select(store);
                        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(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 {
                            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();
    }
}