Examples with PerunBean cz.metacentrum.perun.core.api.PerunBean used on opensource projects

Example 6 with PerunBean

use of cz.metacentrum.perun.core.api.PerunBean in project perun by CESNET.

the class FacilitiesManagerEntry method getHostsByHostname.

public List<Host> getHostsByHostname(PerunSession sess, String hostname) throws InternalErrorException, PrivilegeException {
    Utils.checkPerunSession(sess);
    Utils.notNull(hostname, "hostname");
    if (!AuthzResolver.isAuthorized(sess, Role.FACILITYADMIN)) {
        throw new PrivilegeException(sess, "getHostsByHostname");
    }
    List<Host> hostsByHostname = getFacilitiesManagerBl().getHostsByHostname(sess, hostname);
    //need to remove those hosts, which are not from facilities of this facility admin
    if (!AuthzResolver.hasRole(sess.getPerunPrincipal(), Role.PERUNADMIN) && AuthzResolver.hasRole(sess.getPerunPrincipal(), Role.FACILITYADMIN)) {
        //get all complementary facilities for this perunPrincipal
        List<Facility> authorizedFacilities = new ArrayList<>();
        List<PerunBean> complementaryObjects = AuthzResolver.getComplementaryObjectsForRole(sess, Role.FACILITYADMIN);
        for (PerunBean pb : complementaryObjects) {
            if (pb instanceof Facility)
                authorizedFacilities.add((Facility) pb);
        }
        //remove hosts which has not facility from authorized facilities
        Iterator<Host> hostIterator = hostsByHostname.iterator();
        while (hostIterator.hasNext()) {
            Host host = hostIterator.next();
            Facility fac = getPerunBl().getFacilitiesManagerBl().getFacilityForHost(sess, host);
            if (!authorizedFacilities.contains(fac))
                hostIterator.remove();
        }
    }
    return hostsByHostname;
}

Example 7 with PerunBean

use of cz.metacentrum.perun.core.api.PerunBean in project perun by CESNET.

the class EventExecServiceResolverImpl method parseEvent.

@Override
public Map<Facility, Set<ExecService>> parseEvent(String event) throws InvalidEventMessageException, ServiceNotExistsException, InternalErrorException, PrivilegeException {
    log.info("I am going to process event:" + event);
    /**
		 * Expected string format as on:
		 * https://projekty.ics.muni.cz/perunv3/trac
		 * /wiki/PerunEngineDispatcherController event|x|[timestamp][Event
		 * header][Event data]
		 */
    String eventParsingPattern = "^\\[([a-zA-Z0-9+: ]+)\\]\\[([^\\]]+)\\]\\[(.*)\\]$";
    Pattern pattern = Pattern.compile(eventParsingPattern);
    Matcher matcher = pattern.matcher(event);
    boolean matchFound = matcher.find();
    if (matchFound) {
        log.debug("Message format matched ok...");
        // NOT USED ANYMORE: not applicable in dispatcher
        // String thisEngineID = matcher.group(1);
        // // This should indeed match the current Engine instance ID, so
        // let's compare it...
        // if (Integer.parseInt(thisEngineID) != Integer.parseInt((String)
        // propertiesBean.get("engine.unique.id"))) {
        // throw new InvalidEventMessageException("Wrong Engine ID. Was:" +
        // thisEngineID + ", Expected:" +
        // propertiesBean.get("engine.unique.id"));
        // }
        // // Not being used at the moment.
        // String timeStamp = matcher.group(2);
        // Header should provide information regarding the target facility.
        String eventHeader = matcher.group(2);
        // We expect the string to contain something like this:
        // facility.id=2 ???
        // String headerParsingPattern = ".*facility.id\\=([0-9]+).*";
        // Pattern headerPattern = Pattern.compile(headerParsingPattern);
        // Matcher headerMatcher = headerPattern.matcher(eventHeader);
        /*
			 * boolean headerMatchFound = headerMatcher.find();
			 * if(!headerMatchFound) { throw new InvalidEventMessageException(
			 * "Invalid event header. It does not contain the expected facility.id=value..."
			 * ); } int facilityId = Integer.parseInt(matcher.group(1));
			 * PerunSession perunSession =
			 * engineManager.getPerunSession(propertiesBean
			 * .getProperty("perun.principal")); Facility facility = null; try {
			 * facility = facilitiesManager.getFacilityById(perunSession,
			 * facilityId); } catch (FacilityNotExistsException e) { throw new
			 * InvalidEventMessageException
			 * ("Facility with ID "+facilityId+"does not exist.", e); } catch
			 * (InternalErrorException e) { throw new
			 * InvalidEventMessageException("Unknown error...", e); } catch
			 * (PrivilegeException e) { throw new
			 * InvalidEventMessageException("Principal "
			 * +propertiesBean.getProperty
			 * ("perun.principal")+" is not allowed to access that facility. ",
			 * e); }
			 */
        // Data should provide information regarding the target ExecService
        // (Processing rule).
        String eventData = matcher.group(3);
        log.debug("Event data to be parsed:" + eventData);
        // GET All Beans (only PerunBeans) from message
        List<PerunBean> listOfBeans = new ArrayList<PerunBean>();
        listOfBeans = AuditParser.parseLog(eventData);
        // Prepare variables
        AttributeDefinition attributeDefinition = null;
        Attribute attribute = null;
        Facility facility = null;
        Resource resource = null;
        Group group = null;
        User user = null;
        Member member = null;
        Service service = null;
        Host host = null;
        // etc. ?
        for (PerunBean pb : listOfBeans) {
            if (pb instanceof AttributeDefinition && pb instanceof Attribute) {
                attribute = (Attribute) pb;
            } else if (pb instanceof Facility) {
                facility = (Facility) pb;
            } else if (pb instanceof Resource) {
                resource = (Resource) pb;
            } else if (pb instanceof Group) {
                group = (Group) pb;
            } else if (pb instanceof User) {
                user = (User) pb;
            } else if (pb instanceof Member) {
                member = (Member) pb;
            } else if (pb instanceof Service) {
                service = (Service) pb;
            } else if (pb instanceof Host) {
                host = (Host) pb;
            }
        }
        // If there is any attribute, so create AttributeDefinition
        if (attribute != null) {
            attributeDefinition = new AttributeDefinition(attribute);
            log.debug("Attribute found in event. {}.", attributeDefinition);
        }
        List<Facility> facilitiesResolvedFromEvent = new ArrayList<Facility>();
        List<Resource> resourcesResolvedFromEvent = new ArrayList<Resource>();
        List<Service> servicesResolvedFromEvent = new ArrayList<Service>();
        // =============== Resolve facilities from event======================
        PerunSession perunSession = perun.getPerunSession(new PerunPrincipal(dispatcherPropertiesBean.getProperty("perun.principal.name"), dispatcherPropertiesBean.getProperty("perun.principal.extSourceName"), dispatcherPropertiesBean.getProperty("perun.principal.extSourceType")), new PerunClient());
        // Try to find FACILITY in event
        if (facility != null) {
            try {
                log.debug("Facility found in event. {}.", facility);
                facilitiesResolvedFromEvent.add(facility);
                resourcesResolvedFromEvent.addAll(perun.getFacilitiesManager().getAssignedResources(perunSession, facility));
            } catch (FacilityNotExistsException ex) {
                log.debug("Non-existing facility found while resolving event. id={}", facility.getId());
            }
        } else {
            // Try to find RESOURCE in event
            if (resource != null) {
                resourcesResolvedFromEvent.add(resource);
            } else {
                // Try to find GROUP in event
                if (group != null) {
                    try {
                        resourcesResolvedFromEvent = perun.getResourcesManager().getAssignedResources(perunSession, group);
                    } catch (GroupNotExistsException ex) {
                        log.debug("Non-existing group found while resolving event. id={}", group.getId());
                    }
                } else {
                    // try to find USER in event
                    if (user != null) {
                        try {
                            resourcesResolvedFromEvent = perun.getUsersManager().getAllowedResources(perunSession, user);
                        } catch (UserNotExistsException ex) {
                            log.debug("Non-existing user found while resolving event. id={}", user.getId());
                        }
                    } else {
                        // try to find MEMBER in event
                        if (member != null) {
                            try {
                                resourcesResolvedFromEvent = perun.getResourcesManager().getAllowedResources(perunSession, member);
                            } catch (MemberNotExistsException ex) {
                                log.debug("Non-existing member found while resolving event. id={}", member.getId());
                            }
                        } else {
                            // try to find HOST in event
                            if (host != null) {
                                try {
                                    log.debug("Host found in event.id= {}.", host.getId());
                                    facility = perun.getFacilitiesManager().getFacilityForHost(perunSession, host);
                                    facilitiesResolvedFromEvent.add(facility);
                                    resourcesResolvedFromEvent.addAll(perun.getFacilitiesManager().getAssignedResources(perunSession, facility));
                                } catch (FacilityNotExistsException ex) {
                                    log.debug("Host on non-existing facility found while resolving event. Host id={}", host.getId());
                                } catch (HostNotExistsException ex) {
                                    log.debug("Non-existing host found while resolving event. id={}", host.getId());
                                }
                            } else {
                                log.warn("No match found for this event. Event={}", event);
                            }
                        }
                    }
                }
            }
        }
        // TODO resolve more than one service
        if (service != null) {
            servicesResolvedFromEvent.add(service);
        }
        //List<Pair<List<ExecService>, Facility>> pairs = new ArrayList<Pair<List<ExecService>, Facility>>();
        Map<Facility, Set<ExecService>> result = new HashMap<Facility, Set<ExecService>>();
        for (Resource r : resourcesResolvedFromEvent) {
            Facility facilityResolvedFromEvent;
            List<Service> servicesResolvedFromResource;
            try {
                facilityResolvedFromEvent = perun.getResourcesManager().getFacility(perunSession, r);
                servicesResolvedFromResource = perun.getResourcesManager().getAssignedServices(perunSession, r);
                // process only services resolved from event if any
                if (!servicesResolvedFromEvent.isEmpty())
                    servicesResolvedFromResource.retainAll(servicesResolvedFromEvent);
            } catch (ResourceNotExistsException ex) {
                log.debug("Non-existing resource found while resolving event. Resource={}", r);
                // skip to next resource
                continue;
            }
            for (Service s : servicesResolvedFromResource) {
                // TODO: Optimize with an SQL query...
                List<ExecService> execServicesGenAndSend = generalServiceManager.listExecServices(perunSession, s.getId());
                List<ExecService> execServices = new ArrayList<ExecService>();
                for (ExecService execService : execServicesGenAndSend) {
                    if (execService.getExecServiceType().equals(ExecServiceType.SEND)) {
                        execServices.add(execService);
                    }
                }
                if (attributeDefinition != null) {
                    // remove from future processing services
                    // which don't require the found attribute
                    // TODO (CHECKME) This method can raise
                    // ServiceNotExistsException. Is it ok? Or it must be
                    // catch?
                    List<AttributeDefinition> serviceRequiredAttributes = perun.getAttributesManager().getRequiredAttributesDefinition(perunSession, s);
                    if (!serviceRequiredAttributes.contains(attributeDefinition))
                        continue;
                }
                if (!result.containsKey(facilityResolvedFromEvent)) {
                    result.put(facilityResolvedFromEvent, new HashSet<ExecService>(execServices));
                } else {
                    result.get(facilityResolvedFromEvent).addAll(execServices);
                }
            }
        }
        log.info("I am going to return " + result.size() + " facilities.");
        return result;
    } else {
        throw new InvalidEventMessageException("Message[" + event + "]");
    }
}

Example 8 with PerunBean

use of cz.metacentrum.perun.core.api.PerunBean in project perun by CESNET.

the class PropagationMaintainerImpl method onTaskDestinationComplete.

@Override
public void onTaskDestinationComplete(int clientID, String string) {
    if (string == null || string.isEmpty()) {
        log.error("Could not parse taskresult message from engine " + clientID);
        return;
    }
    try {
        List<PerunBean> listOfBeans = AuditParser.parseLog(string);
        if (!listOfBeans.isEmpty()) {
            TaskResult taskResult = (TaskResult) listOfBeans.get(0);
            resultManager.insertNewTaskResult(taskResult, clientID);
        } else {
            log.error("No TaskResult bean found in message {} from engine {}", string, clientID);
        }
    } catch (Exception e) {
        log.error("Could not save taskresult message {} from engine " + clientID, string);
        log.debug("Error storing taskresult message: " + e.getMessage());
    }
}

Example 9 with PerunBean

use of cz.metacentrum.perun.core.api.PerunBean in project perun by CESNET.

the class PropagationMaintainerImpl method onTaskComplete.

@Override
public void onTaskComplete(int taskId, int clientID, String status_s, String endTimestamp, String string) {
    Task completedTask = schedulingPool.getTaskById(taskId);
    if (completedTask == null) {
        // eh? how would that be possible?
        log.error("TASK id {} reported as complete, but we do not know it... (yet?)", taskId);
        return;
    }
    TaskStatus status = TaskStatus.NONE;
    if (status_s.equals("ERROR")) {
        status = TaskStatus.ERROR;
    } else if (status_s.equals("DONE")) {
        status = TaskStatus.DONE;
    } else {
        log.error("Engine reported unexpected status {} for task id {}, setting to ERROR", status_s, taskId);
        status = TaskStatus.ERROR;
    }
    try {
        Date endTime = new Date(Long.parseLong(endTimestamp));
        completedTask.setEndTime(endTime);
    } catch (NumberFormatException e) {
        log.error("Engine reported unparsable end time {} for task id {}, setting to current time", endTimestamp, taskId);
        completedTask.setEndTime(new Date(System.currentTimeMillis()));
    }
    // date data
    if (completedTask.getExecService().getExecServiceType().equals(ExecServiceType.SEND)) {
        try {
            schedulingPool.setQueueForTask(completedTask, null);
        } catch (InternalErrorException e) {
            log.error("Could not set destination queue for task {}: {}", completedTask.getId(), e.getMessage());
        }
        this.setAllGenerateDependenciesToNone(completedTask);
    }
    if (status.equals(TaskStatus.DONE)) {
        // task completed successfully
        // set destination list to null to refetch them later
        completedTask.setDestinations(null);
        schedulingPool.setTaskStatus(completedTask, TaskStatus.DONE);
        completedTask.setRecurrence(0);
        log.debug("TASK {} reported as DONE", completedTask.toString());
        // for GEN tasks, signal SENDs that source data are updated
        if (completedTask.getExecService().getExecServiceType().equals(ExecServiceType.GENERATE)) {
            List<ExecService> dependantServices = dependenciesResolver.listDependantServices(completedTask.getExecService());
            for (ExecService dependantService : dependantServices) {
                Task dependantTask = schedulingPool.getTask(dependantService, completedTask.getFacility());
                if (dependantTask != null && dependantService.getExecServiceType().equals(ExecServiceType.SEND)) {
                    dependantTask.setSourceUpdated(false);
                }
                if (completedTask.isPropagationForced() && dependantTask.isPropagationForced()) {
                    log.debug("Going to force schedule dependant task " + dependantTask.getId());
                    taskScheduler.scheduleTask(dependantTask);
                }
            }
        }
        completedTask.setPropagationForced(false);
    } else {
        if (string.isEmpty()) {
            // weird - task is in error and no destinations reported as
            // failed...
            log.warn("TASK {} ended in ERROR state with no remaining destinations.", completedTask.toString());
        } else {
            // task failed, some destinations remain
            // resolve list of destinations
            List<PerunBean> listOfBeans;
            List<Destination> destinationList = new ArrayList<Destination>();
            try {
                listOfBeans = AuditParser.parseLog(string);
                log.debug("Found list of destination beans: " + listOfBeans);
                for (PerunBean bean : listOfBeans) {
                    destinationList.add((Destination) bean);
                }
            } catch (InternalErrorException e) {
                log.error("Could not resolve destination from destination list");
            }
            if (completedTask.getDestinations() != null && !completedTask.getDestinations().isEmpty()) {
                completedTask.setDestinations(destinationList);
            }
        }
        schedulingPool.setTaskStatus(completedTask, TaskStatus.ERROR);
        completedTask.setPropagationForced(false);
        log.debug("Task set to ERROR state with remaining destinations: " + completedTask.getDestinations());
    }
}

Example 10 with PerunBean

use of cz.metacentrum.perun.core.api.PerunBean in project perun by CESNET.

the class EventParserImpl method parseEvent.

@Override
public Task parseEvent(String event) throws InvalidEventMessageException, ServiceNotExistsException, InternalErrorException, PrivilegeException {
    log.info("I am going to process event:" + event);
    /**
		 * Expected string format as on:
		 * https://projekty.ics.muni.cz/perunv3/trac
		 * /wiki/PerunEngineDispatcherController event|x|[timestamp][Event
		 * header][Event data] New format:
		 * "task|[engine_id]|[task_id][is_forced]|[exec_service]|[facility]|[destination_list]|[dependency_list]"
		 * 
		 */
    // String eventParsingPattern =
    // "^event\\|([0-9]{1,6})\\|\\[([a-zA-Z0-9: ]+)\\]\\[([^\\]]+)\\]\\[(.*)\\]$";
    String eventParsingPattern = "^task\\|([0-9]{1,6})\\|\\[([0-9]+)\\]\\[([^\\]]+)\\]\\|\\[([^\\|]+)\\]\\|\\[([^\\|]+)\\]\\|\\[([^\\|]+)\\]\\|\\[(.*)\\]$";
    Pattern pattern = Pattern.compile(eventParsingPattern);
    Matcher matcher = pattern.matcher(event);
    boolean matchFound = matcher.find();
    if (matchFound) {
        log.debug("Message format matched ok...");
        String thisEngineID = matcher.group(1);
        // compare it...
        try {
            if (Integer.parseInt(thisEngineID) != Integer.parseInt((String) propertiesBean.get("engine.unique.id"))) {
                throw new InvalidEventMessageException("Wrong Engine ID. Was:" + thisEngineID + ", Expected:" + propertiesBean.get("engine.unique.id"));
            }
        } catch (Exception e) {
            throw new InvalidEventMessageException("Wrong Engine ID: parse exception", e);
        }
        // Data should provide information regarding the target ExecService
        // (Processing rule).
        String eventTaskId = matcher.group(2);
        String eventIsForced = matcher.group(3);
        String eventExecService = matcher.group(4);
        String eventFacility = matcher.group(5);
        String eventDestinationList = matcher.group(6);
        String eventDependencyList = matcher.group(7);
        // check possible enconding
        if (!eventExecService.startsWith("ExecService")) {
            eventExecService = new String(Base64.decodeBase64(eventExecService));
        }
        if (!eventExecService.startsWith("ExecService")) {
            throw new InvalidEventMessageException("Wrong exec service: parse exception");
        }
        if (!eventFacility.startsWith("Facility")) {
            eventFacility = new String(Base64.decodeBase64(eventFacility));
        }
        if (!eventFacility.startsWith("Facility")) {
            throw new InvalidEventMessageException("Wrong facility: parse exception");
        }
        if (!eventDestinationList.startsWith("Destinations")) {
            eventDestinationList = new String(Base64.decodeBase64(eventDestinationList));
        }
        if (!eventDestinationList.startsWith("Destinations")) {
            throw new InvalidEventMessageException("Wrong destination list: parse exception");
        }
        log.debug("Event data to be parsed: task id " + eventTaskId + ", forced " + eventIsForced + ", facility " + eventFacility + ", exec service " + eventExecService + ", destination list " + eventDestinationList + ", dependency list " + eventDependencyList);
        // Prepare variables
        Facility facility;
        ExecService execService;
        List<Destination> destinationList = new ArrayList<Destination>();
        // resolve facility
        // deserialize event data
        List<PerunBean> listOfBeans = AuditParser.parseLog(eventFacility);
        try {
            facility = (Facility) listOfBeans.get(0);
        } catch (Exception e) {
            throw new InvalidEventMessageException("Could not resolve facility from event [" + eventFacility + "]", e);
        }
        // resolve exec service
        // deserialize event data
        listOfBeans = AuditParser.parseLog(eventExecService);
        try {
            execService = (ExecService) listOfBeans.get(0);
        } catch (Exception e) {
            throw new InvalidEventMessageException("Could not resolve exec service from event [" + eventExecService + "]", e);
        }
        // resolve list of destinations
        listOfBeans = AuditParser.parseLog(eventDestinationList);
        log.debug("Found list of destination beans: " + listOfBeans);
        // return new Pair<ExecService, Facility>(execService, facility);
        try {
            for (PerunBean bean : listOfBeans) {
                destinationList.add((Destination) bean);
            }
        } catch (Exception e) {
            throw new InvalidEventMessageException("Could not resolve list of destinations from event.", e);
        }
        Task task = new Task();
        task.setId(Integer.parseInt(eventTaskId));
        task.setFacility(facility);
        task.setExecService(execService);
        task.setDestinations(destinationList);
        task.setDelay(execService.getDefaultDelay());
        task.setRecurrence(execService.getDefaultRecurrence());
        task.setPropagationForced(Boolean.parseBoolean(eventIsForced));
        // resolve list of dependencies
        if (eventDependencyList != null) {
            for (String token : eventDependencyList.split("[\t ]*,[\t ]*")) {
                if (token.length() > 0) {
                    try {
                        dependenciesResolver.addDependency(task, Integer.parseInt(token));
                    } catch (Exception e) {
                        throw new InvalidEventMessageException("Invalid dependency in event: " + token);
                    }
                }
            }
        }
        return task;
    } else {
        throw new InvalidEventMessageException("Invalid message format: Message[" + event + "]");
    }
}