From 682a986ae883c4c02e21a41d060b437d7a2e5841 Mon Sep 17 00:00:00 2001
From: Armon Dadgar <armon.dadgar@gmail.com>
Date: Tue, 24 Dec 2013 12:36:50 -0800
Subject: [PATCH] Do not leave raft pool if we are the only member

---
 consul/server.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/consul/server.go b/consul/server.go
index 4473a05f22..1ea8b38939 100644
--- a/consul/server.go
+++ b/consul/server.go
@@ -301,6 +301,13 @@ func (s *Server) Leave() error {
 
 	// Leave the Raft cluster
 	if s.raft != nil {
+		// Check if we have other raft nodes
+		peers, _ := s.raftPeers.Peers()
+		if len(peers) <= 1 {
+			s.logger.Printf("[WARN] Not leaving Raft cluster, no peers")
+			goto AFTER_LEAVE
+		}
+
 		// Get the leader
 		leader := s.raft.Leader()
 		if leader == nil {