octavia/octavia/amphorae/backends/agent/api_server/templates/keepalived.sysvinit.j2

84 lines
2.1 KiB
Django/Jinja

#!/bin/sh
#
# keepalived LVS cluster monitor daemon.
#
# Written by Andres Salomon <dilinger@voxel.net>
#
### BEGIN INIT INFO
# Provides: keepalived
# Required-Start: $syslog $network $remote_fs
# Required-Stop: $syslog $network $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Starts keepalived
# Description: Starts keepalived lvs loadbalancer
### END INIT INFO
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON="ip netns exec {{ amphora_nsname }} {{ keepalived_cmd }}"
NAME=octavia-keepalived
DESC=octavia-keepalived
TMPFILES="/tmp/.vrrp /tmp/.healthcheckers"
DAEMON_ARGS="-D -d -f {{ keepalived_cfg }} -p {{ keepalived_pid }}"
#includes lsb functions
. /lib/lsb/init-functions
test -f $DAEMON || exit 0
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
for file in $TMPFILES
do
test -e $file && test ! -L $file && rm $file
done
if start-stop-daemon --start --quiet --pidfile {{ keepalived_pid }} \
--exec $DAEMON -- $DAEMON_ARGS; then
log_end_msg 0
else
log_end_msg 1
fi
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
if start-stop-daemon --oknodo --stop --quiet --pidfile {{ keepalived_pid }} \
--exec $DAEMON; then
log_end_msg 0
else
log_end_msg 1
fi
;;
reload|force-reload)
log_action_begin_msg "Reloading $DESC configuration..."
if start-stop-daemon --stop --quiet --signal 1 --pidfile \
{{ keepalived_pid }} --exec $DAEMON; then
log_end_msg 0
else
log_action_end_msg 1
fi
;;
restart)
log_action_begin_msg "Restarting $DESC" "$NAME"
start-stop-daemon --stop --quiet --pidfile \
{{ keepalived_pid }} --exec $DAEMON || true
sleep 1
if start-stop-daemon --start --quiet --pidfile \
{{ keepalived_pid }} --exec $DAEMON -- $DAEMON_ARGS; then
log_end_msg 0
else
log_end_msg 1
fi
;;
*)
echo "Usage: /etc/init.d/$NAME {start|stop|restart|reload|force-reload}" >&2
exit 1
;;
esac
exit 0