#!/bin/sh

### BEGIN INIT INFO
# Provides:          neutron-server
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 5
# Default-Stop:      0 1 6
# Short-Description: neutron-server
# Description:       Provides the Quantum networking service
### END INIT INFO

DESC="neutron-server"
DAEMON="/usr/bin/neutron-server"
PIDFILE="/var/run/neutron-server.pid"
DAEMON_ARGS="--config-file=/etc/neutron/neutron.conf \
  --config-file=@plugin@ \
  --log-dir=/var/log/neutron"

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/neutron ]; then
        mkdir /var/log/neutron
    fi

    echo -n "Starting $DESC..."

    start-stop-daemon --start --quiet --background \
        --pidfile ${PIDFILE} --make-pidfile --exec ${DAEMON} \
	    -- $DAEMON_ARGS

    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 all neutron floating ip
    simple_delete "neutron floatingip-list --all-tenant" "neutron floatingip-delete" 1 "neutron floatingip"

    # Cleanup all neutron router
    neutron router-list | while read line; do
        router_id=`echo $line | get_field 1`
        neutron router-port-list $router_id | while read line_port; do
            port_id=`echo $line_port | get_field 1`
            subnet_id=`echo $line_port | get_field 4 | cut -d ' ' -f 2 | cut -d '"' -f 2`
            if [ ! -z "$router_id" ] && [ ! -z "$subnet_id" ] ; then
                echo ">>> Delete router-port: router_id=$router_id, port_id=$port_id, subnet_id=$subnet_id"
                neutron router-interface-delete $router_id $subnet_id > /dev/null 2>&1
            fi
        done
        if [ ! -z "$router_id" ] ; then
            echo ">>> Delete router: router_id=$router_id"
            neutron router-delete $router_id > /dev/null 2>&1
        fi
    done

    # Cleanup all neutron ports
    simple_delete "neutron port-list --all-tenant" "neutron port-delete" 1 "neutron port"

    # Cleanup all neutron net
    simple_delete "neutron net-list --all-tenant" "neutron net-delete" 1 "neutron net"

    stop

    # This is to make sure postgres is configured and running
    if ! pidof postmaster > /dev/null; then
        /etc/init.d/postgresql-init
        /etc/init.d/postgresql start
        sleep 2
    fi

    sudo -u postgres dropdb ovs_neutron
    sudo -u postgres createdb ovs_neutron

    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