kv: log on missing store in replicaRLockedStoreLiveness

Assists with debugging.

Epic: None
Release note: None

pkg/kv/kvserver/replica_store_liveness.go

@@ -18,6 +18,7 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/settings"
 	"github.com/cockroachdb/cockroach/pkg/util/envutil"
 	"github.com/cockroachdb/cockroach/pkg/util/hlc"
+	"github.com/cockroachdb/cockroach/pkg/util/log"
 )
 
 var raftLeaderFortificationFractionEnabled = settings.RegisterFloatSetting(
@@ -59,6 +60,8 @@ func (r *replicaRLockedStoreLiveness) getStoreIdent(
 func (r *replicaRLockedStoreLiveness) SupportFor(replicaID raftpb.PeerID) (raftpb.Epoch, bool) {
 	storeID, ok := r.getStoreIdent(replicaID)
 	if !ok {
+		ctx := r.AnnotateCtx(context.TODO())
+		log.Warningf(ctx, "store not found for replica %d in SupportFor", replicaID)
 		return 0, false
 	}
 	// TODO(arul): we can remove this once we start to assign storeLiveness in the
@@ -76,6 +79,8 @@ func (r *replicaRLockedStoreLiveness) SupportFrom(
 ) (raftpb.Epoch, hlc.Timestamp) {
 	storeID, ok := r.getStoreIdent(replicaID)
 	if !ok {
+		ctx := r.AnnotateCtx(context.TODO())
+		log.Warningf(ctx, "store not found for replica %d in SupportFrom", replicaID)
 		return 0, hlc.Timestamp{}
 	}
 	epoch, exp := r.store.storeLiveness.SupportFrom(storeID)