Add event.module attribute to all remapped metrics (#18)

Author: lahsivjar

remappers/common/const.go

@@ -20,4 +20,8 @@ package common
 const (
 // DatastreamDatasetLabel defines a dataset label for attributes.
 DatastreamDatasetLabel = "data_stream.dataset"
+
+// RemapperEventModule defines the value of the ECS attribute
+// `event.module` that will be added to all the remapped metrics.
+RemapperEventModule = "elastic/opentelemetry-lib"
 )

remappers/hostmetrics/hostmetrics_test.go

@@ -53,7 +53,7 @@ func doTestRemap(t *testing.T, id string, remapOpts ...Option) {
 
 systemIntegration := newConfig(remapOpts...).SystemIntegrationDataset
 outAttr := func(scraper string) map[string]any {
-m := map[string]any{"event.provider": "hostmetrics"}
+m := map[string]any{"event.module": "elastic/opentelemetry-lib"}
 if systemIntegration {
 m[common.DatastreamDatasetLabel] = scraperToElasticDataset[scraper]
 }

remappers/internal/metric.go

@@ -68,7 +68,7 @@ func AddMetrics(
 dp.SetStartTimestamp(metric.StartTimestamp)
 }
 
-dp.Attributes().PutStr("event.provider", "hostmetrics")
+dp.Attributes().PutStr("event.module", common.RemapperEventModule)
 if dataset != "" {
 dp.Attributes().PutStr(common.DatastreamDatasetLabel, dataset)
 }