Send exponential histograms to GMP

GoogleCloudPlatform · Jun 28, 2023 · b1afc63 · b1afc63
1 parent f778f24
commit b1afc63
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Showing 3 changed files with 386 additions and 2 deletions.
diff --git a/exporter/collector/googlemanagedprometheus/naming.go b/exporter/collector/googlemanagedprometheus/naming.go
@@ -43,7 +43,7 @@ func GetMetricName(baseName string, metric pmetric.Metric) (string, error) {
 			return compliantName + "_count/summary", nil
 		}
 		return compliantName + "/summary", nil
-	case pmetric.MetricTypeHistogram:
+	case pmetric.MetricTypeHistogram, pmetric.MetricTypeExponentialHistogram:
 		return compliantName + "/histogram", nil
 	default:
 		return "", fmt.Errorf("unsupported metric datatype: %v", metric.Type())

diff --git a/exporter/collector/integrationtest/testdata/fixtures/metrics/google_managed_prometheus.json b/exporter/collector/integrationtest/testdata/fixtures/metrics/google_managed_prometheus.json
@@ -472,6 +472,149 @@
                      }
                   }
                ]
+            },
+            {
+               "scope": {
+                  "name": "exponentialhistscope"
+               },
+               "metrics": [
+                  {
+                  "name": "exp_hist",
+                  "description": "The request latency in seconds",
+                  "unit": "s",
+                  "exponentialHistogram": {
+                     "dataPoints": [
+                        {
+                        "startTimeUnixNano": "1640104132003289220",
+                        "timeUnixNano": "1640104132005463582",
+                        "count": "10000",
+                        "sum": 1984636.3282113941,
+                        "scale": 4,
+                        "positive": {
+                           "offset": 106,
+                           "bucketCounts": [
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+                        },
+                        "negative": {}
+                        }
+                     ],
+                     "aggregationTemporality": "AGGREGATION_TEMPORALITY_CUMULATIVE"
+                  }
+                  }
+               ]
             }
          ]
       }