Fix possible panic in leader election

A panic could occur if the Ingress Controller lost its leadership. That happened because OnStoppedLeading() callback was not implemented. The bug appeared after updating k8s.io/client-go to 9.0.0.
nginx · Nov 9, 2018 · e3f5224 · e3f5224
1 parent 672de59
commit e3f5224
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/internal/handlers/leader.go b/internal/handlers/leader.go
@@ -19,5 +19,8 @@ func CreateLeaderHandler(lbc *controller.LoadBalancerController) leaderelection.
 				glog.V(3).Infof("error updating status when starting leading: %v", err)
 			}
 		},
+		OnStoppedLeading: func() {
+			glog.V(3).Info("stopped leading")
+		},
 	}
 }