113 lines
3.5 KiB
Java
113 lines
3.5 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.api.infrastructure.persistence.influxdb;
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import com.google.inject.Inject;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import monasca.api.ApiConfig;
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import monasca.api.domain.model.metric.MetricDefinitionRepo;
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import monasca.common.model.metric.MetricDefinition;
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import static monasca.api.infrastructure.persistence.influxdb.InfluxV9Utils.dimPart;
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import static monasca.api.infrastructure.persistence.influxdb.InfluxV9Utils.namePart;
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import static monasca.api.infrastructure.persistence.influxdb.InfluxV9Utils.regionPart;
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import static monasca.api.infrastructure.persistence.influxdb.InfluxV9Utils.tenantIdPart;
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public class InfluxV9MetricDefinitionRepo implements MetricDefinitionRepo {
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private static final Logger logger = LoggerFactory.getLogger(InfluxV9MetricDefinitionRepo.class);
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private final ApiConfig config;
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private final InfluxV9RepoReader influxV9RepoReader;
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private final String region;
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private final ObjectMapper objectMapper = new ObjectMapper();
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@Inject
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public InfluxV9MetricDefinitionRepo(ApiConfig config,
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InfluxV9RepoReader influxV9RepoReader) {
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this.config = config;
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this.region = config.region;
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this.influxV9RepoReader = influxV9RepoReader;
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}
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@Override
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public List<MetricDefinition> find(String tenantId, String name,
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Map<String, String> dimensions,
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String offset) throws Exception {
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String
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q =
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String.format("show series %1$s where %2$s %3$s %4$s", namePart(name), tenantIdPart(
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tenantId),
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regionPart(this.region), dimPart(dimensions));
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logger.debug("Metric definition query: {}", q);
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String r = this.influxV9RepoReader.read(q);
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Series series = this.objectMapper.readValue(r, Series.class);
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List<MetricDefinition> metricDefinitionList = metricDefinitionList(series);
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logger.debug("Found {} metric definitions matching query", metricDefinitionList.size());
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return metricDefinitionList;
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}
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private List<MetricDefinition> metricDefinitionList(Series series) {
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List<MetricDefinition> metricDefinitionList = new ArrayList<>();
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if (!series.isEmpty()) {
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for (Row row : series.getRows()) {
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for (String[] values : row.getValues()) {
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metricDefinitionList.add(new MetricDefinition(row.getName(), dims(values, row.getColumns())));
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}
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}
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}
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return metricDefinitionList;
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}
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private Map<String, String> dims(String[] vals, String[] cols) {
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Map<String, String> dims = new HashMap<>();
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for (int i = 0; i < cols.length; ++i) {
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if (!vals[i].equalsIgnoreCase("null")) {
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dims.put(cols[i], vals[i]);
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}
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}
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return dims;
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}
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}
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