Examples with IngestSegmentFirehose io.druid.segment.realtime.firehose.IngestSegmentFirehose used on opensource projects

Example 1 with IngestSegmentFirehose

use of io.druid.segment.realtime.firehose.IngestSegmentFirehose in project hive by apache.

the class TestDruidRecordWriter method testWrite.

// This test need this patch https://github.com/druid-io/druid/pull/3483
@Ignore
@Test
public void testWrite() throws IOException, SegmentLoadingException {
    final String dataSourceName = "testDataSource";
    final File segmentOutputDir = temporaryFolder.newFolder();
    final File workingDir = temporaryFolder.newFolder();
    Configuration config = new Configuration();
    final InputRowParser inputRowParser = new MapInputRowParser(new TimeAndDimsParseSpec(new TimestampSpec(DruidTable.DEFAULT_TIMESTAMP_COLUMN, "auto", null), new DimensionsSpec(ImmutableList.<DimensionSchema>of(new StringDimensionSchema("host")), null, null)));
    final Map<String, Object> parserMap = objectMapper.convertValue(inputRowParser, Map.class);
    DataSchema dataSchema = new DataSchema(dataSourceName, parserMap, new AggregatorFactory[] { new LongSumAggregatorFactory("visited_sum", "visited_sum"), new HyperUniquesAggregatorFactory("unique_hosts", "unique_hosts") }, new UniformGranularitySpec(Granularity.DAY, QueryGranularities.NONE, ImmutableList.of(INTERVAL_FULL)), objectMapper);
    RealtimeTuningConfig tuningConfig = RealtimeTuningConfig.makeDefaultTuningConfig(temporaryFolder.newFolder());
    LocalFileSystem localFileSystem = FileSystem.getLocal(config);
    DataSegmentPusher dataSegmentPusher = new LocalDataSegmentPusher(new LocalDataSegmentPusherConfig() {

        @Override
        public File getStorageDirectory() {
            return segmentOutputDir;
        }
    }, objectMapper);
    Path segmentDescriptroPath = new Path(workingDir.getAbsolutePath(), DruidStorageHandler.SEGMENTS_DESCRIPTOR_DIR_NAME);
    druidRecordWriter = new DruidRecordWriter(dataSchema, tuningConfig, dataSegmentPusher, 20, segmentDescriptroPath, localFileSystem);
    List<DruidWritable> druidWritables = Lists.transform(expectedRows, new Function<ImmutableMap<String, Object>, DruidWritable>() {

        @Nullable
        @Override
        public DruidWritable apply(@Nullable ImmutableMap<String, Object> input) {
            return new DruidWritable(ImmutableMap.<String, Object>builder().putAll(input).put(Constants.DRUID_TIMESTAMP_GRANULARITY_COL_NAME, Granularity.DAY.truncate(new DateTime((long) input.get(DruidTable.DEFAULT_TIMESTAMP_COLUMN))).getMillis()).build());
        }
    });
    for (DruidWritable druidWritable : druidWritables) {
        druidRecordWriter.write(druidWritable);
    }
    druidRecordWriter.close(false);
    List<DataSegment> dataSegmentList = DruidStorageHandlerUtils.getPublishedSegments(segmentDescriptroPath, config);
    Assert.assertEquals(1, dataSegmentList.size());
    File tmpUnzippedSegmentDir = temporaryFolder.newFolder();
    new LocalDataSegmentPuller().getSegmentFiles(dataSegmentList.get(0), tmpUnzippedSegmentDir);
    final QueryableIndex queryableIndex = DruidStorageHandlerUtils.INDEX_IO.loadIndex(tmpUnzippedSegmentDir);
    QueryableIndexStorageAdapter adapter = new QueryableIndexStorageAdapter(queryableIndex);
    Firehose firehose = new IngestSegmentFirehose(ImmutableList.of(new WindowedStorageAdapter(adapter, adapter.getInterval())), ImmutableList.of("host"), ImmutableList.of("visited_sum", "unique_hosts"), null, QueryGranularities.NONE);
    List<InputRow> rows = Lists.newArrayList();
    while (firehose.hasMore()) {
        rows.add(firehose.nextRow());
    }
    verifyRows(expectedRows, rows);
}

Example 2 with IngestSegmentFirehose

use of io.druid.segment.realtime.firehose.IngestSegmentFirehose in project druid by druid-io.

the class IngestSegmentFirehoseFactory method connect.

@Override
public Firehose connect(InputRowParser inputRowParser) throws IOException, ParseException {
    log.info("Connecting firehose: dataSource[%s], interval[%s]", dataSource, interval);
    if (taskToolbox == null) {
        // Noop Task is just used to create the toolbox and list segments.
        taskToolbox = injector.getInstance(TaskToolboxFactory.class).build(new NoopTask("reingest", 0, 0, null, null, null));
    }
    try {
        final List<DataSegment> usedSegments = taskToolbox.getTaskActionClient().submit(new SegmentListUsedAction(dataSource, interval, null));
        final Map<DataSegment, File> segmentFileMap = taskToolbox.fetchSegments(usedSegments);
        VersionedIntervalTimeline<String, DataSegment> timeline = new VersionedIntervalTimeline<>(Ordering.<String>natural().nullsFirst());
        for (DataSegment segment : usedSegments) {
            timeline.add(segment.getInterval(), segment.getVersion(), segment.getShardSpec().createChunk(segment));
        }
        final List<TimelineObjectHolder<String, DataSegment>> timeLineSegments = timeline.lookup(interval);
        final List<String> dims;
        if (dimensions != null) {
            dims = dimensions;
        } else if (inputRowParser.getParseSpec().getDimensionsSpec().hasCustomDimensions()) {
            dims = inputRowParser.getParseSpec().getDimensionsSpec().getDimensionNames();
        } else {
            Set<String> dimSet = Sets.newHashSet(Iterables.concat(Iterables.transform(timeLineSegments, new Function<TimelineObjectHolder<String, DataSegment>, Iterable<String>>() {

                @Override
                public Iterable<String> apply(TimelineObjectHolder<String, DataSegment> timelineObjectHolder) {
                    return Iterables.concat(Iterables.transform(timelineObjectHolder.getObject(), new Function<PartitionChunk<DataSegment>, Iterable<String>>() {

                        @Override
                        public Iterable<String> apply(PartitionChunk<DataSegment> input) {
                            return input.getObject().getDimensions();
                        }
                    }));
                }
            })));
            dims = Lists.newArrayList(Sets.difference(dimSet, inputRowParser.getParseSpec().getDimensionsSpec().getDimensionExclusions()));
        }
        final List<String> metricsList;
        if (metrics != null) {
            metricsList = metrics;
        } else {
            Set<String> metricsSet = Sets.newHashSet(Iterables.concat(Iterables.transform(timeLineSegments, new Function<TimelineObjectHolder<String, DataSegment>, Iterable<String>>() {

                @Override
                public Iterable<String> apply(TimelineObjectHolder<String, DataSegment> input) {
                    return Iterables.concat(Iterables.transform(input.getObject(), new Function<PartitionChunk<DataSegment>, Iterable<String>>() {

                        @Override
                        public Iterable<String> apply(PartitionChunk<DataSegment> input) {
                            return input.getObject().getMetrics();
                        }
                    }));
                }
            })));
            metricsList = Lists.newArrayList(metricsSet);
        }
        final List<WindowedStorageAdapter> adapters = Lists.newArrayList(Iterables.concat(Iterables.transform(timeLineSegments, new Function<TimelineObjectHolder<String, DataSegment>, Iterable<WindowedStorageAdapter>>() {

            @Override
            public Iterable<WindowedStorageAdapter> apply(final TimelineObjectHolder<String, DataSegment> holder) {
                return Iterables.transform(holder.getObject(), new Function<PartitionChunk<DataSegment>, WindowedStorageAdapter>() {

                    @Override
                    public WindowedStorageAdapter apply(final PartitionChunk<DataSegment> input) {
                        final DataSegment segment = input.getObject();
                        try {
                            return new WindowedStorageAdapter(new QueryableIndexStorageAdapter(indexIO.loadIndex(Preconditions.checkNotNull(segmentFileMap.get(segment), "File for segment %s", segment.getIdentifier()))), holder.getInterval());
                        } catch (IOException e) {
                            throw Throwables.propagate(e);
                        }
                    }
                });
            }
        })));
        return new IngestSegmentFirehose(adapters, dims, metricsList, dimFilter, Granularities.NONE);
    } catch (IOException e) {
        throw Throwables.propagate(e);
    } catch (SegmentLoadingException e) {
        throw Throwables.propagate(e);
    }
}

Example 3 with IngestSegmentFirehose

use of io.druid.segment.realtime.firehose.IngestSegmentFirehose in project druid by druid-io.

the class DatasourceRecordReader method initialize.

@Override
public void initialize(InputSplit split, final TaskAttemptContext context) throws IOException, InterruptedException {
    spec = readAndVerifyDatasourceIngestionSpec(context.getConfiguration(), HadoopDruidIndexerConfig.JSON_MAPPER);
    List<WindowedDataSegment> segments = ((DatasourceInputSplit) split).getSegments();
    List<WindowedStorageAdapter> adapters = Lists.transform(segments, new Function<WindowedDataSegment, WindowedStorageAdapter>() {

        @Override
        public WindowedStorageAdapter apply(WindowedDataSegment segment) {
            try {
                logger.info("Getting storage path for segment [%s]", segment.getSegment().getIdentifier());
                Path path = new Path(JobHelper.getURIFromSegment(segment.getSegment()));
                logger.info("Fetch segment files from [%s]", path);
                File dir = Files.createTempDir();
                tmpSegmentDirs.add(dir);
                logger.info("Locally storing fetched segment at [%s]", dir);
                JobHelper.unzipNoGuava(path, context.getConfiguration(), dir, context);
                logger.info("finished fetching segment files");
                QueryableIndex index = HadoopDruidIndexerConfig.INDEX_IO.loadIndex(dir);
                indexes.add(index);
                numRows += index.getNumRows();
                return new WindowedStorageAdapter(new QueryableIndexStorageAdapter(index), segment.getInterval());
            } catch (IOException ex) {
                throw Throwables.propagate(ex);
            }
        }
    });
    firehose = new IngestSegmentFirehose(adapters, spec.getDimensions(), spec.getMetrics(), spec.getFilter(), spec.getGranularity());
}

Example 4 with IngestSegmentFirehose

use of io.druid.segment.realtime.firehose.IngestSegmentFirehose in project druid by druid-io.

the class BatchDeltaIngestionTest method testIngestion.

private void testIngestion(HadoopDruidIndexerConfig config, List<ImmutableMap<String, Object>> expectedRowsGenerated, WindowedDataSegment windowedDataSegment) throws Exception {
    IndexGeneratorJob job = new IndexGeneratorJob(config);
    JobHelper.runJobs(ImmutableList.<Jobby>of(job), config);
    File segmentFolder = new File(String.format("%s/%s/%s_%s/%s/0", config.getSchema().getIOConfig().getSegmentOutputPath(), config.getSchema().getDataSchema().getDataSource(), INTERVAL_FULL.getStart().toString(), INTERVAL_FULL.getEnd().toString(), config.getSchema().getTuningConfig().getVersion()));
    Assert.assertTrue(segmentFolder.exists());
    File descriptor = new File(segmentFolder, "descriptor.json");
    File indexZip = new File(segmentFolder, "index.zip");
    Assert.assertTrue(descriptor.exists());
    Assert.assertTrue(indexZip.exists());
    DataSegment dataSegment = MAPPER.readValue(descriptor, DataSegment.class);
    Assert.assertEquals("website", dataSegment.getDataSource());
    Assert.assertEquals(config.getSchema().getTuningConfig().getVersion(), dataSegment.getVersion());
    Assert.assertEquals(INTERVAL_FULL, dataSegment.getInterval());
    Assert.assertEquals("local", dataSegment.getLoadSpec().get("type"));
    Assert.assertEquals(indexZip.getCanonicalPath(), dataSegment.getLoadSpec().get("path"));
    Assert.assertEquals("host", dataSegment.getDimensions().get(0));
    Assert.assertEquals("visited_sum", dataSegment.getMetrics().get(0));
    Assert.assertEquals("unique_hosts", dataSegment.getMetrics().get(1));
    Assert.assertEquals(Integer.valueOf(9), dataSegment.getBinaryVersion());
    HashBasedNumberedShardSpec spec = (HashBasedNumberedShardSpec) dataSegment.getShardSpec();
    Assert.assertEquals(0, spec.getPartitionNum());
    Assert.assertEquals(1, spec.getPartitions());
    File tmpUnzippedSegmentDir = temporaryFolder.newFolder();
    new LocalDataSegmentPuller().getSegmentFiles(dataSegment, tmpUnzippedSegmentDir);
    QueryableIndex index = INDEX_IO.loadIndex(tmpUnzippedSegmentDir);
    StorageAdapter adapter = new QueryableIndexStorageAdapter(index);
    Firehose firehose = new IngestSegmentFirehose(ImmutableList.of(new WindowedStorageAdapter(adapter, windowedDataSegment.getInterval())), ImmutableList.of("host"), ImmutableList.of("visited_sum", "unique_hosts"), null, Granularities.NONE);
    List<InputRow> rows = Lists.newArrayList();
    while (firehose.hasMore()) {
        rows.add(firehose.nextRow());
    }
    verifyRows(expectedRowsGenerated, rows);
}

Example 5 with IngestSegmentFirehose

use of io.druid.segment.realtime.firehose.IngestSegmentFirehose in project druid by druid-io.

the class IngestSegmentFirehoseFactoryTest method simpleFirehoseReadingTest.

@Test
public void simpleFirehoseReadingTest() throws IOException {
    Assert.assertEquals(MAX_SHARD_NUMBER.longValue(), segmentSet.size());
    Integer rowcount = 0;
    try (final IngestSegmentFirehose firehose = (IngestSegmentFirehose) factory.connect(rowParser)) {
        while (firehose.hasMore()) {
            InputRow row = firehose.nextRow();
            Assert.assertArrayEquals(new String[] { DIM_NAME }, row.getDimensions().toArray());
            Assert.assertArrayEquals(new String[] { DIM_VALUE }, row.getDimension(DIM_NAME).toArray());
            Assert.assertEquals(METRIC_LONG_VALUE.longValue(), row.getLongMetric(METRIC_LONG_NAME));
            Assert.assertEquals(METRIC_FLOAT_VALUE, row.getFloatMetric(METRIC_FLOAT_NAME), METRIC_FLOAT_VALUE * 0.0001);
            ++rowcount;
        }
    }
    Assert.assertEquals((int) MAX_SHARD_NUMBER * MAX_ROWS, (int) rowcount);
}