From 4711856cd43f58ff42f78a6343515331a402f44f Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Fri, 15 Nov 2013 10:13:34 +0000
Subject: [PATCH] prevent broken updates when no master is set
---
node/icecast.go | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/node/icecast.go b/node/icecast.go
index 843024fe..1102682f 100644
--- a/node/icecast.go
+++ b/node/icecast.go
@@ -1,6 +1,8 @@
package node
import (
+ "errors"
+ "log"
"os"
"os/exec"
)
@@ -30,6 +32,11 @@ func (ic *IcecastController) reload() error {
}
func (ic *IcecastController) Update(conf *ClusterConfig, isMaster bool, masterAddr string) error {
+ if !isMaster && masterAddr == "" {
+ log.Printf("system in unknown state (no master) - update aborted")
+ return errors.New("unknown system state")
+ }
+
tmpf := ic.ConfigFile + ".tmp"
defer os.Remove(tmpf)
--
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