election: reset oldLeaderID after retire from leader (pingcap#529)

set oldLeaderInfo = "" after retire from leader
lichunzhu · Mar 10, 2020 · d3b0152 · d3b0152
1 parent 263b86b
commit d3b0152
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pkg/election/election.go b/pkg/election/election.go
@@ -297,6 +297,7 @@ func (e *Election) campaignLoop(ctx context.Context, session *concurrency.Sessio
 		e.watchLeader(ctx, session, leaderKey)
 		e.l.Info("retire from leader", zap.Stringer("current member", e.info))
 		e.notifyLeader(ctx, nil) // need to re-campaign
+		oldLeaderID = ""
 
 		cancel2()
 		compaignWg.Wait()