[lxc-devel] [lxd/master] Perform heartbeats only on the leader

[freeekanayaka on Github]

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From 36b0dbe914f89e71bce9d2f0e3a193e86cfadb3a Mon Sep 17 00:00:00 2001
From: Free Ekanayaka <free.ekanayaka at canonical.com>
Date: Mon, 1 Jul 2019 11:22:34 +0200
Subject: [PATCH] Perform heartbeats only on the leader

Signed-off-by: Free Ekanayaka <free.ekanayaka at canonical.com>
---
 lxd/cluster/gateway.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lxd/cluster/gateway.go b/lxd/cluster/gateway.go
index 06c5b1dedf..7ec49e7e27 100644
--- a/lxd/cluster/gateway.go
+++ b/lxd/cluster/gateway.go
@@ -607,7 +607,7 @@ func (g *Gateway) currentRaftNodes() ([]db.RaftNode, error) {
 	g.lock.RLock()
 	defer g.lock.RUnlock()
 
-	if g.raft == nil {
+	if g.raft == nil || !g.isLeader() {
 		return nil, errNotLeader
 	}
 	servers, err := g.server.Cluster()