128 lines
4.3 KiB
Java
128 lines
4.3 KiB
Java
/*
|
|
* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
|
|
* in compliance with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software distributed under the License
|
|
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
|
|
* or implied. See the License for the specific language governing permissions and limitations under
|
|
* the License.
|
|
*/
|
|
package monasca.api.infrastructure.persistence.influxdb;
|
|
|
|
import com.google.inject.Inject;
|
|
|
|
import monasca.api.MonApiConfiguration;
|
|
import monasca.api.domain.model.measurement.MeasurementRepository;
|
|
import monasca.api.domain.model.measurement.Measurements;
|
|
|
|
import org.influxdb.InfluxDB;
|
|
import org.influxdb.dto.Serie;
|
|
import org.joda.time.DateTime;
|
|
import org.joda.time.format.DateTimeFormatter;
|
|
import org.joda.time.format.ISODateTimeFormat;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
import java.util.Collection;
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
import java.util.concurrent.TimeUnit;
|
|
|
|
import javax.annotation.Nullable;
|
|
|
|
import static monasca.api.infrastructure.persistence.influxdb.Utils.buildSerieNameRegex;
|
|
|
|
public class MeasurementInfluxDbRepositoryImpl implements MeasurementRepository {
|
|
|
|
private static final Logger logger = LoggerFactory
|
|
.getLogger(MeasurementInfluxDbRepositoryImpl.class);
|
|
|
|
private final MonApiConfiguration config;
|
|
private final InfluxDB influxDB;
|
|
|
|
public static final DateTimeFormatter DATETIME_FORMATTER = ISODateTimeFormat.dateTimeNoMillis()
|
|
.withZoneUTC();
|
|
|
|
@Inject
|
|
public MeasurementInfluxDbRepositoryImpl(MonApiConfiguration config, InfluxDB influxDB) {
|
|
this.config = config;
|
|
|
|
this.influxDB = influxDB;
|
|
}
|
|
|
|
@Override
|
|
public Collection<Measurements> find(String tenantId, String name,
|
|
Map<String, String> dimensions, DateTime startTime,
|
|
@Nullable DateTime endTime)
|
|
throws Exception {
|
|
|
|
String serieNameRegex = buildSerieNameRegex(tenantId, name, dimensions);
|
|
|
|
String timePart = Utils.WhereClauseBuilder.buildTimePart(startTime, endTime);
|
|
|
|
String query =
|
|
String.format("select value " + "from /%1$s/ where 1 = 1 " + " %2$s ",
|
|
serieNameRegex, timePart);
|
|
logger.debug("Query string: {}", query);
|
|
|
|
List<Serie> result = null;
|
|
try {
|
|
result = this.influxDB.Query(this.config.influxDB.getName(), query, TimeUnit.MILLISECONDS);
|
|
} catch (RuntimeException e) {
|
|
if (e.getMessage().startsWith(Utils.COULD_NOT_LOOK_UP_COLUMNS_EXC_MSG)) {
|
|
return new LinkedList<>();
|
|
} else {
|
|
logger.error("Failed to get data from InfluxDB", e);
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
return buildMeasurementList(result);
|
|
}
|
|
|
|
private List<Measurements> buildMeasurementList(List<Serie> result) throws Exception {
|
|
List<Measurements> measurementsList = new LinkedList<>();
|
|
|
|
for (Serie serie : result) {
|
|
|
|
Utils.SerieNameDecoder serieNameDecoder;
|
|
try {
|
|
serieNameDecoder = new Utils.SerieNameDecoder(serie.getName());
|
|
} catch (Utils.SerieNameDecodeException e) {
|
|
logger.warn("Dropping series name that is not decodable: {}", serie.getName(), e);
|
|
continue;
|
|
}
|
|
|
|
Measurements measurements = new Measurements();
|
|
measurements.setName(serieNameDecoder.getMetricName());
|
|
measurements.setDimensions(serieNameDecoder.getDimensions());
|
|
|
|
List<Object[]> valObjArryList = new LinkedList<>();
|
|
for (Map<String, Object> row : serie.getRows()) {
|
|
|
|
Object[] objArry = new Object[3];
|
|
|
|
// sequence_number
|
|
objArry[0] = ((Double) row.get(serie.getColumns()[1])).longValue();
|
|
// time
|
|
Double timeDouble = (Double) row.get(serie.getColumns()[0]);
|
|
objArry[1] = DATETIME_FORMATTER.print(timeDouble.longValue());
|
|
// value
|
|
objArry[2] = (Double) row.get(serie.getColumns()[2]);
|
|
|
|
valObjArryList.add(objArry);
|
|
}
|
|
measurements.setMeasurements(valObjArryList);
|
|
measurementsList.add(measurements);
|
|
}
|
|
|
|
return measurementsList;
|
|
}
|
|
|
|
}
|