Examples with EngineIgnoreEvent cz.metacentrum.perun.audit.events.EngineIgnoreEvent used on opensource projects

Example 1 with EngineIgnoreEvent

use of cz.metacentrum.perun.audit.events.EngineIgnoreEvent in project perun by CESNET.

the class EventServiceResolverImpl method resolveEvent.

// ----- methods -------------------------------------
@Override
public Map<Facility, Set<Service>> resolveEvent(AuditEvent event) throws InvalidEventMessageException, ServiceNotExistsException, PrivilegeException {
    log.info("Event - I am going to process event: {}", event);
    Map<Facility, Set<Service>> result = new HashMap<Facility, Set<Service>>();
    if (event instanceof EngineIgnoreEvent) {
        log.info("Event ignored {} facilities will be returned", result.size());
        return result;
    }
    // GET All Beans (only PerunBeans) from message
    List<PerunBean> listOfBeans = new ArrayList<PerunBean>();
    listOfBeans = AuditParser.parseLog(event.getMessage());
    // Prepare variables
    AttributeDefinition attributeDefinition = null;
    Facility facility = null;
    Resource resource = null;
    Group group = null;
    User user = null;
    Member member = null;
    Service service = null;
    Host host = null;
    // TODO: What about more than 1 resources, or more than 1 facilities etc. ?
    for (PerunBean pb : listOfBeans) {
        if (pb instanceof AttributeDefinition) {
            attributeDefinition = (AttributeDefinition) 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 (attributeDefinition != null) {
        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>();
    if (perunSession == null) {
        perunSession = perun.getPerunSession(new PerunPrincipal(dispatcherProperties.getProperty("perun.principal.name"), dispatcherProperties.getProperty("perun.principal.extSourceName"), dispatcherProperties.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.warn("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.warn("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.warn("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.warn("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.warn("Host on non-existing facility found while resolving event. Host id={}", host.getId());
                            } catch (HostNotExistsException ex) {
                                log.warn("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);
    }
    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.error("Non-existing resource found while resolving event. Resource={}", r);
            // skip to next resource
            continue;
        }
        for (Service s : servicesResolvedFromResource) {
            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)) {
                Set<Service> servicesToPut = new HashSet<Service>();
                servicesToPut.add(s);
                result.put(facilityResolvedFromEvent, servicesToPut);
            } else {
                result.get(facilityResolvedFromEvent).add(s);
            }
        }
    }
    log.info("{} facilities will be returned", result.size());
    return result;
}