Metricbeat, fix metricsets log level behavior (#27804)

CHANGELOG-developer.next.asciidoc

@@ -62,6 +62,7 @@ The list below covers the major changes between 7.0.0-rc2 and master only.
 - Metricbeat module builders call host parser only once when instantiating light modules. {pull}20149[20149]
 - Fix export dashboard command when running against Elastic Cloud hosted Kibana. {pull}22746[22746]
 - Remove `event.dataset` (ECS) annotion from `libbeat.logp`. {issue}27404[27404]
+- Errors should be thrown as errors. Metricsets inside Metricbeat will now throw errors as the `error` log level. {pull}27804[27804]
 
 ==== Added
 

CHANGELOG.next.asciidoc

@@ -109,6 +109,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add Linux pressure metricset {pull}27355[27355]
 - Add support for kube-state-metrics v2.0.0 {pull}27552[27552]
 - Add User-Agent header to HTTP requests. {issue}18160[18160] {pull}27509[27509]
+- Errors should be thrown as errors. Metricsets inside Metricbeat will now throw errors as the `error` log level. {pull}27804[27804]
 
 *Packetbeat*
 

metricbeat/mb/module/wrapper.go

@@ -251,14 +251,14 @@ func (msw *metricSetWrapper) fetch(ctx context.Context, reporter reporter) {
 		err := fetcher.Fetch(reporter.V2())
 		if err != nil {
 			reporter.V2().Error(err)
-			logp.Info("Error fetching data for metricset %s.%s: %s", msw.module.Name(), msw.Name(), err)
+			logp.Err("Error fetching data for metricset %s.%s: %s", msw.module.Name(), msw.Name(), err)
 		}
 	case mb.ReportingMetricSetV2WithContext:
 		reporter.StartFetchTimer()
 		err := fetcher.Fetch(ctx, reporter.V2())
 		if err != nil {
 			reporter.V2().Error(err)
-			logp.Info("Error fetching data for metricset %s.%s: %s", msw.module.Name(), msw.Name(), err)
+			logp.Err("Error fetching data for metricset %s.%s: %s", msw.module.Name(), msw.Name(), err)
 		}
 	default:
 		panic(fmt.Sprintf("unexpected fetcher type for %v", msw))