#!/bin/sh
#
# openstack-cinder-volume  OpenStack Cinder Volume Services
#
# chkconfig:   - 98 02
# description:  Volume Workers interact with iSCSI storage to manage    \
#               LVM-based instance volumes. Specific functions include: \
#               * Create Volumes                                        \
#               * Establish Compute volumes
## BEGIN INIT INFO
# Provides:
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $syslog
# Default-Stop: 0 1 6
# Short-Description: OpenStack cinder Volume Worker
# Description:  Volume Workers interact with iSCSI storage to manage
#               LVM-based instance volumes. Specific functions include:
#               * Create Volumes
#               * Delete Volumes
#               * Establish Compute volumes
### END INIT INFO

. /etc/rc.d/init.d/functions

suffix=volume
cluster=${0##*-} # s/cluster/index/
prog=openstack-cinder-$suffix-vmware-$cluster
exec="/usr/bin/cinder-$suffix"
config="/etc/cinder/cinder.conf"
pidfile="/var/run/cinder/cinder-$suffix.$cluster.pid"
logfile="/var/log/cinder/$suffix-$cluster.log"

[ -r /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog

lockfile=/var/lock/subsys/$prog

start() {
    [ -x $exec ] || exit 5
    [ -f $config ] || exit 6
    echo -n $"Starting $prog: "
    daemon --user cinder --pidfile $pidfile "$exec --logfile $logfile --config-file=$config ${OPTIONS} &>/dev/null & echo \$! > $pidfile"
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}

stop() {
    echo -n $"Stopping $prog: "
    killproc -p $pidfile ${prog%%.*}
    if pgrep -f "cinder-$suffix.*$cluster\.conf" &>/dev/null ; then
        sleep 2
        pgrep -f "cinder-$suffix.*$cluster\.conf" &>/dev/null && \
        pkill -f "$cluster.conf"
    fi
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

restart() {
    stop
    start
}

reload() {
    restart
}

force_reload() {
    restart
}

rh_status() {
    status -p $pidfile $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}


case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
        exit 2
esac
exit $?