Examples with TimelineEntity org.apache.hadoop.yarn.api.records.timeline.TimelineEntity used on opensource projects

Example 61 with TimelineEntity

use of org.apache.hadoop.yarn.api.records.timeline.TimelineEntity in project hadoop by apache.

the class RollingLevelDBTimelineStore method getEntityByTime.

/**
   * Retrieves a list of entities satisfying given parameters.
   *
   * @param base
   *          A byte array prefix for the lookup
   * @param entityType
   *          The type of the entity
   * @param limit
   *          A limit on the number of entities to return
   * @param starttime
   *          The earliest entity start time to retrieve (exclusive)
   * @param endtime
   *          The latest entity start time to retrieve (inclusive)
   * @param fromId
   *          Retrieve entities starting with this entity
   * @param fromTs
   *          Ignore entities with insert timestamp later than this ts
   * @param secondaryFilters
   *          Filter pairs that the entities should match
   * @param fields
   *          The set of fields to retrieve
   * @param usingPrimaryFilter
   *          true if this query is using a primary filter
   * @return A list of entities
   * @throws IOException
   */
private TimelineEntities getEntityByTime(byte[] base, String entityType, Long limit, Long starttime, Long endtime, String fromId, Long fromTs, Collection<NameValuePair> secondaryFilters, EnumSet<Field> fields, CheckAcl checkAcl, boolean usingPrimaryFilter) throws IOException {
    DBIterator iterator = null;
    try {
        KeyBuilder kb = KeyBuilder.newInstance().add(base).add(entityType);
        // only db keys matching the prefix (base + entity type) will be parsed
        byte[] prefix = kb.getBytesForLookup();
        if (endtime == null) {
            // if end time is null, place no restriction on end time
            endtime = Long.MAX_VALUE;
        }
        // Sanitize the fields parameter
        if (fields == null) {
            fields = EnumSet.allOf(Field.class);
        }
        // construct a first key that will be seeked to using end time or fromId
        long firstStartTime = Long.MAX_VALUE;
        byte[] first = null;
        if (fromId != null) {
            Long fromIdStartTime = getStartTimeLong(fromId, entityType);
            if (fromIdStartTime == null) {
                // no start time for provided id, so return empty entities
                return new TimelineEntities();
            }
            if (fromIdStartTime <= endtime) {
                // if provided id's start time falls before the end of the window,
                // use it to construct the seek key
                firstStartTime = fromIdStartTime;
                first = kb.add(writeReverseOrderedLong(fromIdStartTime)).add(fromId).getBytesForLookup();
            }
        }
        // if seek key wasn't constructed using fromId, construct it using end ts
        if (first == null) {
            firstStartTime = endtime;
            first = kb.add(writeReverseOrderedLong(endtime)).getBytesForLookup();
        }
        byte[] last = null;
        if (starttime != null) {
            // if start time is not null, set a last key that will not be
            // iterated past
            last = KeyBuilder.newInstance().add(base).add(entityType).add(writeReverseOrderedLong(starttime)).getBytesForLookup();
        }
        if (limit == null) {
            // if limit is not specified, use the default
            limit = DEFAULT_LIMIT;
        }
        TimelineEntities entities = new TimelineEntities();
        RollingLevelDB rollingdb = null;
        if (usingPrimaryFilter) {
            rollingdb = indexdb;
        } else {
            rollingdb = entitydb;
        }
        DB db = rollingdb.getDBForStartTime(firstStartTime);
        while (entities.getEntities().size() < limit && db != null) {
            iterator = db.iterator();
            iterator.seek(first);
            // or a start time has been specified and reached/exceeded
            while (entities.getEntities().size() < limit && iterator.hasNext()) {
                byte[] key = iterator.peekNext().getKey();
                if (!prefixMatches(prefix, prefix.length, key) || (last != null && WritableComparator.compareBytes(key, 0, key.length, last, 0, last.length) > 0)) {
                    break;
                }
                // read the start time and entity id from the current key
                KeyParser kp = new KeyParser(key, prefix.length);
                Long startTime = kp.getNextLong();
                String entityId = kp.getNextString();
                if (fromTs != null) {
                    long insertTime = readReverseOrderedLong(iterator.peekNext().getValue(), 0);
                    if (insertTime > fromTs) {
                        byte[] firstKey = key;
                        while (iterator.hasNext()) {
                            key = iterator.peekNext().getKey();
                            iterator.next();
                            if (!prefixMatches(firstKey, kp.getOffset(), key)) {
                                break;
                            }
                        }
                        continue;
                    }
                }
                // Even if other info and primary filter fields are not included, we
                // still need to load them to match secondary filters when they are
                // non-empty
                EnumSet<Field> queryFields = EnumSet.copyOf(fields);
                boolean addPrimaryFilters = false;
                boolean addOtherInfo = false;
                if (secondaryFilters != null && secondaryFilters.size() > 0) {
                    if (!queryFields.contains(Field.PRIMARY_FILTERS)) {
                        queryFields.add(Field.PRIMARY_FILTERS);
                        addPrimaryFilters = true;
                    }
                    if (!queryFields.contains(Field.OTHER_INFO)) {
                        queryFields.add(Field.OTHER_INFO);
                        addOtherInfo = true;
                    }
                }
                // parse the entity that owns this key, iterating over all keys for
                // the entity
                TimelineEntity entity = null;
                if (usingPrimaryFilter) {
                    entity = getEntity(entityId, entityType, queryFields);
                    iterator.next();
                } else {
                    entity = getEntity(entityId, entityType, startTime, queryFields, iterator, key, kp.getOffset());
                }
                // determine if the retrieved entity matches the provided secondary
                // filters, and if so add it to the list of entities to return
                boolean filterPassed = true;
                if (secondaryFilters != null) {
                    for (NameValuePair filter : secondaryFilters) {
                        Object v = entity.getOtherInfo().get(filter.getName());
                        if (v == null) {
                            Set<Object> vs = entity.getPrimaryFilters().get(filter.getName());
                            if (vs == null || !vs.contains(filter.getValue())) {
                                filterPassed = false;
                                break;
                            }
                        } else if (!v.equals(filter.getValue())) {
                            filterPassed = false;
                            break;
                        }
                    }
                }
                if (filterPassed) {
                    if (entity.getDomainId() == null) {
                        entity.setDomainId(DEFAULT_DOMAIN_ID);
                    }
                    if (checkAcl == null || checkAcl.check(entity)) {
                        // matching secondary filters
                        if (addPrimaryFilters) {
                            entity.setPrimaryFilters(null);
                        }
                        if (addOtherInfo) {
                            entity.setOtherInfo(null);
                        }
                        entities.addEntity(entity);
                    }
                }
            }
            db = rollingdb.getPreviousDB(db);
        }
        return entities;
    } finally {
        IOUtils.cleanup(LOG, iterator);
    }
}

Example 62 with TimelineEntity

use of org.apache.hadoop.yarn.api.records.timeline.TimelineEntity in project hadoop by apache.

the class TimelineDataManager method doPostEntities.

private TimelinePutResponse doPostEntities(TimelineEntities entities, UserGroupInformation callerUGI) throws YarnException, IOException {
    if (entities == null) {
        return new TimelinePutResponse();
    }
    metrics.incrPostEntitiesTotal(entities.getEntities().size());
    TimelineEntities entitiesToPut = new TimelineEntities();
    List<TimelinePutResponse.TimelinePutError> errors = new ArrayList<TimelinePutResponse.TimelinePutError>();
    for (TimelineEntity entity : entities.getEntities()) {
        // the default domain
        if (entity.getDomainId() == null || entity.getDomainId().length() == 0) {
            entity.setDomainId(DEFAULT_DOMAIN_ID);
        }
        if (entity.getEntityId() == null || entity.getEntityType() == null) {
            throw new BadRequestException("Incomplete entity without entity" + " id/type");
        }
        // check if there is existing entity
        TimelineEntity existingEntity = null;
        try {
            existingEntity = store.getEntity(entity.getEntityId(), entity.getEntityType(), EnumSet.of(Field.PRIMARY_FILTERS));
            if (existingEntity != null) {
                addDefaultDomainIdIfAbsent(existingEntity);
                if (!existingEntity.getDomainId().equals(entity.getDomainId())) {
                    throw new YarnException("The domain of the timeline entity " + "{ id: " + entity.getEntityId() + ", type: " + entity.getEntityType() + " } is not allowed to be changed from " + existingEntity.getDomainId() + " to " + entity.getDomainId());
                }
            }
            if (!timelineACLsManager.checkAccess(callerUGI, ApplicationAccessType.MODIFY_APP, entity)) {
                throw new YarnException(callerUGI + " is not allowed to put the timeline entity " + "{ id: " + entity.getEntityId() + ", type: " + entity.getEntityType() + " } into the domain " + entity.getDomainId() + ".");
            }
        } catch (Exception e) {
            // Skip the entity which already exists and was put by others
            LOG.warn("Skip the timeline entity: { id: " + entity.getEntityId() + ", type: " + entity.getEntityType() + " }", e);
            TimelinePutResponse.TimelinePutError error = new TimelinePutResponse.TimelinePutError();
            error.setEntityId(entity.getEntityId());
            error.setEntityType(entity.getEntityType());
            error.setErrorCode(TimelinePutResponse.TimelinePutError.ACCESS_DENIED);
            errors.add(error);
            continue;
        }
        entitiesToPut.addEntity(entity);
    }
    TimelinePutResponse response = store.put(entitiesToPut);
    // add the errors of timeline system filter key conflict
    response.addErrors(errors);
    return response;
}

Example 63 with TimelineEntity

use of org.apache.hadoop.yarn.api.records.timeline.TimelineEntity in project hadoop by apache.

the class TimelineDataManager method doGetEntity.

private TimelineEntity doGetEntity(String entityType, String entityId, EnumSet<Field> fields, UserGroupInformation callerUGI) throws YarnException, IOException {
    TimelineEntity entity = null;
    entity = store.getEntity(entityId, entityType, fields);
    if (entity != null) {
        addDefaultDomainIdIfAbsent(entity);
        // check ACLs
        if (!timelineACLsManager.checkAccess(callerUGI, ApplicationAccessType.VIEW_APP, entity)) {
            entity = null;
        }
    }
    return entity;
}

Example 64 with TimelineEntity

use of org.apache.hadoop.yarn.api.records.timeline.TimelineEntity in project hadoop by apache.

the class TimelineWebServices method getEntity.

/**
   * Return a single entity of the given entity type and Id.
   */
@GET
@Path("/{entityType}/{entityId}")
@Produces({ MediaType.APPLICATION_JSON + "; " + JettyUtils.UTF_8 })
public TimelineEntity getEntity(@Context HttpServletRequest req, @Context HttpServletResponse res, @PathParam("entityType") String entityType, @PathParam("entityId") String entityId, @QueryParam("fields") String fields) {
    init(res);
    TimelineEntity entity = null;
    try {
        entity = timelineDataManager.getEntity(parseStr(entityType), parseStr(entityId), parseFieldsStr(fields, ","), getUser(req));
    } catch (IllegalArgumentException e) {
        throw new BadRequestException(e);
    } catch (Exception e) {
        LOG.error("Error getting entity", e);
        throw new WebApplicationException(e, Response.Status.INTERNAL_SERVER_ERROR);
    }
    if (entity == null) {
        throw new NotFoundException("Timeline entity " + new EntityIdentifier(parseStr(entityId), parseStr(entityType)) + " is not found");
    }
    return entity;
}

Example 65 with TimelineEntity

use of org.apache.hadoop.yarn.api.records.timeline.TimelineEntity in project hadoop by apache.

the class RollingLevelDBTimelineStore method put.

@Override
public TimelinePutResponse put(TimelineEntities entities) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Starting put");
    }
    TimelinePutResponse response = new TimelinePutResponse();
    TreeMap<Long, RollingWriteBatch> entityUpdates = new TreeMap<Long, RollingWriteBatch>();
    TreeMap<Long, RollingWriteBatch> indexUpdates = new TreeMap<Long, RollingWriteBatch>();
    long entityCount = 0;
    long indexCount = 0;
    try {
        for (TimelineEntity entity : entities.getEntities()) {
            entityCount += putEntities(entityUpdates, indexUpdates, entity, response);
        }
        for (RollingWriteBatch entityUpdate : entityUpdates.values()) {
            entityUpdate.write();
        }
        for (RollingWriteBatch indexUpdate : indexUpdates.values()) {
            indexUpdate.write();
        }
    } finally {
        for (RollingWriteBatch entityRollingWriteBatch : entityUpdates.values()) {
            entityRollingWriteBatch.close();
        }
        for (RollingWriteBatch indexRollingWriteBatch : indexUpdates.values()) {
            indexRollingWriteBatch.close();
        }
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("Put " + entityCount + " new leveldb entity entries and " + indexCount + " new leveldb index entries from " + entities.getEntities().size() + " timeline entities");
    }
    return response;
}