From 1b44a7b70e9c7c1a602eb67f79380e6b4a163c9e Mon Sep 17 00:00:00 2001
From: Dhia Ayachi <dhia@hashicorp.com>
Date: Mon, 25 Apr 2022 09:39:27 -0400
Subject: [PATCH] add back deprecated field `Leader` to the `LeaderObservation`
 struct (#500)

---
 observer.go | 2 ++
 raft.go     | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/observer.go b/observer.go
index 630c50c9d..6a03d565b 100644
--- a/observer.go
+++ b/observer.go
@@ -19,6 +19,8 @@ type Observation struct {
 
 // LeaderObservation is used for the data when leadership changes.
 type LeaderObservation struct {
+	// DEPRECATED The LeaderAddr field should now be used
+	Leader     ServerAddress
 	LeaderAddr ServerAddress
 	LeaderID   ServerID
 }
diff --git a/raft.go b/raft.go
index 1c7aecd89..4b85ac1ef 100644
--- a/raft.go
+++ b/raft.go
@@ -101,7 +101,7 @@ func (r *Raft) setLeader(leaderAddr ServerAddress, leaderID ServerID) {
 	r.leaderID = leaderID
 	r.leaderLock.Unlock()
 	if oldLeaderAddr != leaderAddr || oldLeaderID != leaderID {
-		r.observe(LeaderObservation{LeaderAddr: leaderAddr, LeaderID: leaderID})
+		r.observe(LeaderObservation{Leader: leaderAddr, LeaderAddr: leaderAddr, LeaderID: leaderID})
 	}
 }