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keepalived: suppress reloads when config md5 has no change

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Signed-off-by: Ben Kelly <ben@benjii.net>
Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
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Ben Kelly 2016-08-30 11:54:49 +03:00 committed by Alexandru Ardelean
parent 0b16c2ada2
commit 8483011a51
1 changed files with 11 additions and 0 deletions
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11
net/keepalived/files/keepalived.init
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@ -366,9 +366,20 @@ service_running() {
pgrep -x /usr/sbin/keepalived &> /dev/null pgrep -x /usr/sbin/keepalived &> /dev/null
} }
conf_md5() {
echo "$(md5sum $KEEPALIVED_CONF | awk '{print $1}')"
}
reload_service() { reload_service() {
local cur_md5="$(conf_md5)"
running && { running && {
process_config process_config
# Return without performing the reload if config
# file md5sum has not changed
local new_md5="$(conf_md5)"
[ "$new_md5" == "$cur_md5" ] && return 0;
# SIGHUP is used by keepalived to do init.d reload # SIGHUP is used by keepalived to do init.d reload
# Get the oldest process (assumption is that it's the parent process) # Get the oldest process (assumption is that it's the parent process)
PID=$(pgrep -o /usr/sbin/keepalived) PID=$(pgrep -o /usr/sbin/keepalived)