Examples with TSQuery net.opentsdb.core.TSQuery used on opensource projects

Example 16 with TSQuery

use of net.opentsdb.core.TSQuery in project opentsdb by OpenTSDB.

the class TestQueryRpc method parseQueryMType.

@Test
public void parseQueryMType() throws Exception {
    HttpQuery query = NettyMocks.getQuery(tsdb, "/api/query?start=1h-ago&m=sum:sys.cpu.0");
    TSQuery tsq = (TSQuery) parseQuery.invoke(rpc, tsdb, query, expressions);
    assertNotNull(tsq);
    assertEquals("1h-ago", tsq.getStart());
    assertNotNull(tsq.getQueries());
    TSSubQuery sub = tsq.getQueries().get(0);
    assertNotNull(sub);
    assertEquals("sum", sub.getAggregator());
    assertEquals("sys.cpu.0", sub.getMetric());
}

Example 17 with TSQuery

use of net.opentsdb.core.TSQuery in project opentsdb by OpenTSDB.

the class TestQueryRpc method parseQuery2TSUIDType.

@Test
public void parseQuery2TSUIDType() throws Exception {
    HttpQuery query = NettyMocks.getQuery(tsdb, "/api/query?start=1h-ago&tsuid=sum:010101&tsuid=avg:020202");
    TSQuery tsq = (TSQuery) parseQuery.invoke(rpc, tsdb, query, expressions);
    assertNotNull(tsq);
    assertEquals("1h-ago", tsq.getStart());
    assertNotNull(tsq.getQueries());
    assertEquals(2, tsq.getQueries().size());
    TSSubQuery sub = tsq.getQueries().get(0);
    assertNotNull(sub);
    assertEquals("sum", sub.getAggregator());
    assertEquals(1, sub.getTsuids().size());
    assertEquals("010101", sub.getTsuids().get(0));
    sub = tsq.getQueries().get(1);
    assertNotNull(sub);
    assertEquals("avg", sub.getAggregator());
    assertEquals(1, sub.getTsuids().size());
    assertEquals("020202", sub.getTsuids().get(0));
}

Example 18 with TSQuery

use of net.opentsdb.core.TSQuery in project opentsdb by OpenTSDB.

the class TestQueryRpc method parseQueryMTypeWGroupByAndWildcardFilterExplicit.

@Test
public void parseQueryMTypeWGroupByAndWildcardFilterExplicit() throws Exception {
    HttpQuery query = NettyMocks.getQuery(tsdb, "/api/query?start=1h-ago&m=sum:sys.cpu.0{colo=lga}{host=wildcard(*quirm)}");
    TSQuery tsq = (TSQuery) parseQuery.invoke(rpc, tsdb, query, expressions);
    TSSubQuery sub = tsq.getQueries().get(0);
    sub.validateAndSetQuery();
    assertTrue(sub.getFilters().get(0) instanceof TagVWildcardFilter);
    assertTrue(sub.getFilters().get(1) instanceof TagVLiteralOrFilter);
}

Example 19 with TSQuery

use of net.opentsdb.core.TSQuery in project opentsdb by OpenTSDB.

the class TestQueryRpc method parseQueryMTypeWDS.

@Test
public void parseQueryMTypeWDS() throws Exception {
    HttpQuery query = NettyMocks.getQuery(tsdb, "/api/query?start=1h-ago&m=sum:1h-avg:sys.cpu.0");
    TSQuery tsq = (TSQuery) parseQuery.invoke(rpc, tsdb, query, expressions);
    TSSubQuery sub = tsq.getQueries().get(0);
    assertEquals("1h-avg", sub.getDownsample());
}

Example 20 with TSQuery

use of net.opentsdb.core.TSQuery in project opentsdb by OpenTSDB.

the class QueryRpc method handleQuery.

/**
   * Processing for a data point query
   * @param tsdb The TSDB to which we belong
   * @param query The HTTP query to parse/respond
   * @param allow_expressions Whether or not expressions should be parsed
   * (based on the endpoint)
   */
private void handleQuery(final TSDB tsdb, final HttpQuery query, final boolean allow_expressions) {
    final long start = DateTime.currentTimeMillis();
    final TSQuery data_query;
    final List<ExpressionTree> expressions;
    if (query.method() == HttpMethod.POST) {
        switch(query.apiVersion()) {
            case 0:
            case 1:
                data_query = query.serializer().parseQueryV1();
                break;
            default:
                query_invalid.incrementAndGet();
                throw new BadRequestException(HttpResponseStatus.NOT_IMPLEMENTED, "Requested API version not implemented", "Version " + query.apiVersion() + " is not implemented");
        }
        expressions = null;
    } else {
        expressions = new ArrayList<ExpressionTree>();
        data_query = parseQuery(tsdb, query, expressions);
    }
    if (query.getAPIMethod() == HttpMethod.DELETE && tsdb.getConfig().getBoolean("tsd.http.query.allow_delete")) {
        data_query.setDelete(true);
    }
    // validate and then compile the queries
    try {
        LOG.debug(data_query.toString());
        data_query.validateAndSetQuery();
    } catch (Exception e) {
        throw new BadRequestException(HttpResponseStatus.BAD_REQUEST, e.getMessage(), data_query.toString(), e);
    }
    // if the user tried this query multiple times from the same IP and src port
    // they'll be rejected on subsequent calls
    final QueryStats query_stats = new QueryStats(query.getRemoteAddress(), data_query, query.getPrintableHeaders());
    data_query.setQueryStats(query_stats);
    query.setStats(query_stats);
    final int nqueries = data_query.getQueries().size();
    final ArrayList<DataPoints[]> results = new ArrayList<DataPoints[]>(nqueries);
    final List<Annotation> globals = new ArrayList<Annotation>();
    /** This has to be attached to callbacks or we may never respond to clients */
    class ErrorCB implements Callback<Object, Exception> {

        public Object call(final Exception e) throws Exception {
            Throwable ex = e;
            try {
                LOG.error("Query exception: ", e);
                if (ex instanceof DeferredGroupException) {
                    ex = e.getCause();
                    while (ex != null && ex instanceof DeferredGroupException) {
                        ex = ex.getCause();
                    }
                    if (ex == null) {
                        LOG.error("The deferred group exception didn't have a cause???");
                    }
                }
                if (ex instanceof RpcTimedOutException) {
                    query_stats.markSerialized(HttpResponseStatus.REQUEST_TIMEOUT, ex);
                    query.badRequest(new BadRequestException(HttpResponseStatus.REQUEST_TIMEOUT, ex.getMessage()));
                    query_exceptions.incrementAndGet();
                } else if (ex instanceof HBaseException) {
                    query_stats.markSerialized(HttpResponseStatus.FAILED_DEPENDENCY, ex);
                    query.badRequest(new BadRequestException(HttpResponseStatus.FAILED_DEPENDENCY, ex.getMessage()));
                    query_exceptions.incrementAndGet();
                } else if (ex instanceof QueryException) {
                    query_stats.markSerialized(((QueryException) ex).getStatus(), ex);
                    query.badRequest(new BadRequestException(((QueryException) ex).getStatus(), ex.getMessage()));
                    query_exceptions.incrementAndGet();
                } else if (ex instanceof BadRequestException) {
                    query_stats.markSerialized(((BadRequestException) ex).getStatus(), ex);
                    query.badRequest((BadRequestException) ex);
                    query_invalid.incrementAndGet();
                } else if (ex instanceof NoSuchUniqueName) {
                    query_stats.markSerialized(HttpResponseStatus.BAD_REQUEST, ex);
                    query.badRequest(new BadRequestException(ex));
                    query_invalid.incrementAndGet();
                } else {
                    query_stats.markSerialized(HttpResponseStatus.INTERNAL_SERVER_ERROR, ex);
                    query.badRequest(new BadRequestException(ex));
                    query_exceptions.incrementAndGet();
                }
            } catch (RuntimeException ex2) {
                LOG.error("Exception thrown during exception handling", ex2);
                query_stats.markSerialized(HttpResponseStatus.INTERNAL_SERVER_ERROR, ex2);
                query.sendReply(HttpResponseStatus.INTERNAL_SERVER_ERROR, ex2.getMessage().getBytes());
                query_exceptions.incrementAndGet();
            }
            return null;
        }
    }
    /**
     * After all of the queries have run, we get the results in the order given
     * and add dump the results in an array
     */
    class QueriesCB implements Callback<Object, ArrayList<DataPoints[]>> {

        public Object call(final ArrayList<DataPoints[]> query_results) throws Exception {
            if (allow_expressions) {
                // process each of the expressions into a new list, then merge it
                // with the original. This avoids possible recursion loops.
                final List<DataPoints[]> expression_results = new ArrayList<DataPoints[]>(expressions.size());
                // let exceptions bubble up
                for (final ExpressionTree expression : expressions) {
                    expression_results.add(expression.evaluate(query_results));
                }
                results.addAll(expression_results);
            } else {
                results.addAll(query_results);
            }
            /** Simply returns the buffer once serialization is complete and logs it */
            class SendIt implements Callback<Object, ChannelBuffer> {

                public Object call(final ChannelBuffer buffer) throws Exception {
                    query.sendReply(buffer);
                    query_success.incrementAndGet();
                    return null;
                }
            }
            switch(query.apiVersion()) {
                case 0:
                case 1:
                    query.serializer().formatQueryAsyncV1(data_query, results, globals).addCallback(new SendIt()).addErrback(new ErrorCB());
                    break;
                default:
                    query_invalid.incrementAndGet();
                    throw new BadRequestException(HttpResponseStatus.NOT_IMPLEMENTED, "Requested API version not implemented", "Version " + query.apiVersion() + " is not implemented");
            }
            return null;
        }
    }
    /**
     * Callback executed after we have resolved the metric, tag names and tag
     * values to their respective UIDs. This callback then runs the actual 
     * queries and fetches their results.
     */
    class BuildCB implements Callback<Deferred<Object>, Query[]> {

        @Override
        public Deferred<Object> call(final Query[] queries) {
            final ArrayList<Deferred<DataPoints[]>> deferreds = new ArrayList<Deferred<DataPoints[]>>(queries.length);
            for (final Query query : queries) {
                deferreds.add(query.runAsync());
            }
            return Deferred.groupInOrder(deferreds).addCallback(new QueriesCB());
        }
    }
    /** Handles storing the global annotations after fetching them */
    class GlobalCB implements Callback<Object, List<Annotation>> {

        public Object call(final List<Annotation> annotations) throws Exception {
            globals.addAll(annotations);
            return data_query.buildQueriesAsync(tsdb).addCallback(new BuildCB());
        }
    }
    // when complete
    if (!data_query.getNoAnnotations() && data_query.getGlobalAnnotations()) {
        Annotation.getGlobalAnnotations(tsdb, data_query.startTime() / 1000, data_query.endTime() / 1000).addCallback(new GlobalCB()).addErrback(new ErrorCB());
    } else {
        data_query.buildQueriesAsync(tsdb).addCallback(new BuildCB()).addErrback(new ErrorCB());
    }
}