kvcoord: Correctly add rangefeed metrics to metric registry

Yevgeniy Miretskiy · Yevgeniy Miretskiy · commit 0287bb7c1abf · 2023-08-03T10:20:38.000-04:00
Annotate `DistSenderRangeFeedMetrics` as `metric.Struct`
in order to register those metrics with metrics registry.

Issue: None
Release note: None
diff --git a/pkg/kv/kvclient/kvcoord/dist_sender.go b/pkg/kv/kvclient/kvcoord/dist_sender.go
@@ -368,6 +368,9 @@ func makeDistSenderRangeFeedMetrics() DistSenderRangeFeedMetrics {
 	}
 }
 
+// MetricStruct implements metrics.Struct interface.
+func (DistSenderRangeFeedMetrics) MetricStruct() {}
+
 // updateCrossLocalityMetricsOnReplicaAddressedBatchRequest updates
 // DistSenderMetrics for batch requests that have been divided and are currently
 // forwarding to a specific replica for the corresponding range. The metrics

Original file line number	Diff line number	Diff line change
`@@ -368,6 +368,9 @@ func makeDistSenderRangeFeedMetrics() DistSenderRangeFeedMetrics {`
`368`	`368`	`}`
`369`	`369`	`}`
`370`	`370`
	`371`	`+// MetricStruct implements metrics.Struct interface.`
	`372`	`+func (DistSenderRangeFeedMetrics) MetricStruct() {}`
	`373`	`+`
`371`	`374`	`// updateCrossLocalityMetricsOnReplicaAddressedBatchRequest updates`
`372`	`375`	`// DistSenderMetrics for batch requests that have been divided and are currently`
`373`	`376`	`// forwarding to a specific replica for the corresponding range. The metrics`