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BigtableCreateTimeSeriesExporter.java
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BigtableCreateTimeSeriesExporter.java
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/*
* Copyright 2022 Google LLC
*
* 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
*
* https://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 com.google.cloud.bigtable.stats;
import com.google.api.MonitoredResource;
import com.google.cloud.monitoring.v3.MetricServiceClient;
import com.google.monitoring.v3.CreateTimeSeriesRequest;
import com.google.monitoring.v3.ProjectName;
import io.opencensus.exporter.metrics.util.MetricExporter;
import io.opencensus.metrics.export.Metric;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
final class BigtableCreateTimeSeriesExporter extends MetricExporter {
private static final Logger logger =
Logger.getLogger(BigtableCreateTimeSeriesExporter.class.getName());
private final MetricServiceClient metricServiceClient;
private final MonitoredResource gceOrGkeMonitoredResource;
private final String clientId;
BigtableCreateTimeSeriesExporter(
MetricServiceClient metricServiceClient, MonitoredResource gceOrGkeMonitoredResource) {
this.metricServiceClient = metricServiceClient;
this.clientId = BigtableStackdriverExportUtils.getDefaultTaskValue();
this.gceOrGkeMonitoredResource = gceOrGkeMonitoredResource;
}
public void export(Collection<Metric> metrics) {
Map<String, List<com.google.monitoring.v3.TimeSeries>> projectToTimeSeries = new HashMap<>();
for (Metric metric : metrics) {
// only export bigtable metrics
if (!BigtableStackdriverExportUtils.shouldExportMetric(metric.getMetricDescriptor())) {
continue;
}
projectToTimeSeries =
metric.getTimeSeriesList().stream()
.collect(
Collectors.groupingBy(
timeSeries ->
BigtableStackdriverExportUtils.getProjectId(
metric.getMetricDescriptor(), timeSeries),
Collectors.mapping(
timeSeries ->
BigtableStackdriverExportUtils.convertTimeSeries(
metric.getMetricDescriptor(),
timeSeries,
clientId,
gceOrGkeMonitoredResource),
Collectors.toList())));
for (Map.Entry<String, List<com.google.monitoring.v3.TimeSeries>> entry :
projectToTimeSeries.entrySet()) {
ProjectName projectName = ProjectName.of(entry.getKey());
CreateTimeSeriesRequest request =
CreateTimeSeriesRequest.newBuilder()
.setName(projectName.toString())
.addAllTimeSeries(entry.getValue())
.build();
try {
this.metricServiceClient.createServiceTimeSeries(request);
} catch (Throwable e) {
logger.log(
Level.WARNING,
"Exception thrown when exporting TimeSeries for projectName="
+ projectName.getProject(),
e);
}
}
}
}
}