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Fix encoding error for Stackdriver metrics of cumulative points

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The Stackdriver API requires that the end time always be greater than the start
time for cumulative metric points.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134396192
This commit is contained in:
shikhman 2016-09-27 05:46:20 -07:00 • committed by Ben McIlwain
parent 7f0cb4eae5
commit e19546ffb4
2 changed files with 70 additions and 8 deletions
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20
java/google/registry/monitoring/metrics/StackdriverWriter.java
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@ -51,6 +51,7 @@ import java.util.logging.Logger;
import javax.annotation.concurrent.NotThreadSafe;
import javax.inject.Inject;
import javax.inject.Named;
import org.joda.time.DateTime;
import org.joda.time.Interval;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
@ -264,10 +265,17 @@ public class StackdriverWriter implements MetricWriter {
return descriptor;
}
private static TimeInterval encodeTimeInterval(Interval nativeInterval) {
return new TimeInterval()
.setEndTime(DATETIME_FORMATTER.print(nativeInterval.getEnd()))
.setStartTime(DATETIME_FORMATTER.print(nativeInterval.getStart()));
private static TimeInterval encodeTimeInterval(Interval nativeInterval, Kind metricKind) {
TimeInterval encodedInterval =
new TimeInterval().setStartTime(DATETIME_FORMATTER.print(nativeInterval.getStart()));
DateTime endTimestamp =
nativeInterval.toDurationMillis() == 0 && metricKind != Kind.GAUGE
? nativeInterval.getEnd().plusMillis(1)
: nativeInterval.getEnd();
return encodedInterval.setEndTime(DATETIME_FORMATTER.print(endTimestamp));
}
private static BucketOptions encodeBucketOptions(DistributionFitter fitter) {
@ -363,7 +371,9 @@ public class StackdriverWriter implements MetricWriter {
}
Point encodedPoint =
new Point().setInterval(encodeTimeInterval(point.interval())).setValue(encodedValue);
new Point()
.setInterval(encodeTimeInterval(point.interval(), metric.getMetricSchema().kind()))
.setValue(encodedValue);
List<LabelDescriptor> encodedLabels = descriptor.getLabels();
// The MetricDescriptors returned by the GCM API have null fields rather than empty lists