From 69e1734e3a129414db1ca12147cf51c05ffa25ba Mon Sep 17 00:00:00 2001
From: yuhan6665 <1588741+yuhan6665@users.noreply.github.com>
Date: Fri, 15 Mar 2024 14:49:11 -0400
Subject: [PATCH] Apply FallbackTag to leastping and roundrobin

---
 app/router/config.go | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/app/router/config.go b/app/router/config.go
index 28ba7e31..ce4ed270 100644
--- a/app/router/config.go
+++ b/app/router/config.go
@@ -126,15 +126,17 @@ func (br *BalancingRule) Build(ohm outbound.Manager, dispatcher routing.Dispatch
 	switch strings.ToLower(br.Strategy) {
 	case "leastping":
 		return &Balancer{
-			selectors: br.OutboundSelector,
-			strategy:  &LeastPingStrategy{},
-			ohm:       ohm,
+			selectors:   br.OutboundSelector,
+			strategy:    &LeastPingStrategy{},
+			fallbackTag: br.FallbackTag,
+			ohm:         ohm,
 		}, nil
 	case "roundrobin":
 		return &Balancer{
-			selectors: br.OutboundSelector,
-			strategy:  &RoundRobinStrategy{},
-			ohm:       ohm,
+			selectors:   br.OutboundSelector,
+			strategy:    &RoundRobinStrategy{},
+			fallbackTag: br.FallbackTag,
+			ohm:         ohm,
 		}, nil
 	case "leastload":
 		i, err := br.StrategySettings.GetInstance()
@@ -147,17 +149,19 @@ func (br *BalancingRule) Build(ohm outbound.Manager, dispatcher routing.Dispatch
 		}
 		leastLoadStrategy := NewLeastLoadStrategy(s)
 		return &Balancer{
-			selectors: br.OutboundSelector,
-			ohm:       ohm, fallbackTag: br.FallbackTag,
-			strategy: leastLoadStrategy,
+			selectors:   br.OutboundSelector,
+			ohm:         ohm, 
+			fallbackTag: br.FallbackTag,
+			strategy:    leastLoadStrategy,
 		}, nil
 	case "random":
 		fallthrough
 	case "":
 		return &Balancer{
-			selectors: br.OutboundSelector,
-			ohm:       ohm, fallbackTag: br.FallbackTag,
-			strategy: &RandomStrategy{},
+			selectors:   br.OutboundSelector,
+			ohm:         ohm, 
+			fallbackTag: br.FallbackTag,
+			strategy:    &RandomStrategy{},
 		}, nil
 	default:
 		return nil, newError("unrecognized balancer type")