Update prometheus.go (#1012)

Tiny fix for the Prometheus configuration loss caused by Drainer spelling problem Co-authored-by: Ti Prow Robot <71242396+ti-community-prow-bot@users.noreply.github.com>
pingcap · Dec 26, 2020 · 24289a3 · 24289a3
1 parent aeacaf9
commit 24289a3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/cluster/spec/prometheus.go b/pkg/cluster/spec/prometheus.go
@@ -199,7 +199,7 @@ func (i *MonitorInstance) InitConfig(
 			cfig.AddPump(pump.Host, uint64(pump.Port))
 		}
 	}
-	if servers, found := topoHasField("Trainers"); found {
+	if servers, found := topoHasField("Drainers"); found {
 		for i := 0; i < servers.Len(); i++ {
 			drainer := servers.Index(i).Interface().(DrainerSpec)
 			uniqueHosts.Insert(drainer.Host)