lede-packages-rs

commit 8483011a51c94439de53bfbe4c161aee41adc65f
parent 0b16c2ada2b881e9f9ba52635cc4b87e8626a31c
Author: Ben Kelly <ben@benjii.net>
Date:   Tue, 30 Aug 2016 11:54:49 +0300

keepalived: suppress reloads when config md5 has no change

Signed-off-by: Ben Kelly <ben@benjii.net>
Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

Diffstat:
M
net/keepalived/files/keepalived.init
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/net/keepalived/files/keepalived.init b/net/keepalived/files/keepalived.init
@@ -366,9 +366,20 @@ service_running() {
 	pgrep -x /usr/sbin/keepalived &> /dev/null
 }
 
+conf_md5() {
+	echo "$(md5sum $KEEPALIVED_CONF | awk '{print $1}')"
+}
+
 reload_service() {
+	local cur_md5="$(conf_md5)"
 	running && {
 		process_config
+
+		# Return without performing the reload if config
+		# file md5sum has not changed
+		local new_md5="$(conf_md5)"
+		[ "$new_md5" == "$cur_md5" ] && return 0;
+
 		# SIGHUP is used by keepalived to do init.d reload
 		# Get the oldest process (assumption is that it's the parent process)
 		PID=$(pgrep -o /usr/sbin/keepalived)