#!/bin/sh

### BEGIN INIT INFO
# Provides:          cinder-api
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Should-Start:      postgresql rabbitmq-server
# Should-Stop:       postgresql rabbitmq-server
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: OpenStack Block Storage (Cinder) - API
# Description:       OpenStack Block Storage (Cinder) - API
### END INIT INFO

SUFFIX=@suffix@
DESC="cinder-$SUFFIX"
DAEMON="/usr/bin/cinder-$SUFFIX"
PIDFILE="/var/run/cinder-$SUFFIX.pid"

start() 
{
    if [ -e $PIDFILE ]; then
        PIDDIR=/proc/$(cat $PIDFILE)
        if [ -d ${PIDDIR} ]; then
            echo "$DESC already running."
            exit 1
        else
            echo "Removing stale PID file $PIDFILE"
            rm -f $PIDFILE
        fi
    fi

    if [ ! -d /var/log/cinder ]; then
        mkdir  /var/log/cinder                                                      
    fi      

    echo -n "Starting $DESC..."

    start-stop-daemon --start --quiet --background \
        --pidfile ${PIDFILE} --make-pidfile --exec ${DAEMON} \
	-- --log-dir=/var/log/cinder

    if [ $? -eq 0 ]; then
        echo "done."
    else
        echo "failed."
    fi
}

stop() 
{
    echo -n "Stopping $DESC..."
    start-stop-daemon --stop --quiet --pidfile $PIDFILE
    if [ $? -eq 0 ]; then
        echo "done."
    else
        echo "failed."
    fi
    rm -f $PIDFILE
}

status()
{
    pid=`cat $PIDFILE 2>/dev/null`
    if [ -n "$pid" ]; then
        if ps -p $pid >&- ; then
            echo "$DESC is running"
            return
        fi
    fi
    echo "$DESC is not running"
}

reset()
{
    . /etc/nova/openrc

    # Cleanup cinder volume
    simple_delete "cinder list --all-tenant" "cinder delete" 1 "cinder volume"

    # Cleanup cinder backup
    simple_delete "cinder backup-list" "cinder backup-delete" 1 "cinder backup"

    stop

    if ! pidof postmaster > /dev/null; then
        /etc/init.d/postgresql-init
        /etc/init.d/postgresql start
    fi
    [ ! -d /var/log/cinder ] && mkdir /var/log/cinder
    sudo -u postgres dropdb cinder
    sudo -u postgres createdb cinder
    cinder-manage db sync

    if [ ! -f /etc/cinder/nfs_shares ]; then
        /bin/bash /etc/cinder/drivers/nfs_setup.sh
    fi

    # Create Cinder glusterfs_share config file with default glusterfs server
    if [ ! -f /etc/cinder/glusterfs_shares ] && [ -f /usr/sbin/glusterfsd ]; then
        /bin/bash /etc/cinder/drivers/glusterfs_setup.sh
    fi

    start
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart|force-reload|reload)
        stop
        start
        ;;
    status)
	status
        ;;
    reset)
	reset
        ;;
    *)
        echo "Usage: $0 {start|stop|force-reload|restart|reload|status|reset}"
        exit 1
        ;;
esac

exit 0