supervisord-DEB-dist 4.42 KB
#! /bin/sh
### BEGIN INIT INFO
# Provides: supervisord
# Required-Start: $remote_fs $network $named
# Required-Stop: $remote_fs $network $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Supervisor is a process control utility.
# Description: Supervisor is a process control utility.  It has a web based
# xmlrpc interface as well as a few other nifty features.
### END INIT INFO

. /lib/lsb/init-functions

DAEMON=<VE_2_X_PATH>/bin/supervisord
SUPERVISORCTL=<VE_2_X_PATH>/bin/supervisorctl
NAME=supervisord
DESC=supervisor

test -x $DAEMON || exit 0

LOGDIR=/var/log/supervisor
PIDFILE=/var/run/$NAME.pid
DODTIME=5                   # Time to wait for the server to die, in seconds
                            # If this value is set too low you might not
                            # let some servers to die gracefully and
                            # 'restart' will not work

# Include supervisor defaults if available.
if [ -f /etc/default/supervisor ] ; then
    . /etc/default/supervisor
fi
DAEMON_OPTS="-c <VE_2_X_PATH>/src/supervisor/supervisord.conf"

set -e

running_pid()
{
    # Check if a given process pid's cmdline matches a given name.
    pid=$1
    name=$2
    [ -z "$pid" ] && return 1
    [ ! -d /proc/$pid ] &&  return 1
    (cat /proc/$pid/cmdline | tr "\000" "\n"|grep -q $name) || return 1
    return 0
}

running()
{
# Check if the process is running looking at /proc.
# (works for all users).

    # No pidfile, probably no daemon present.
    [ ! -f "$PIDFILE" ] && return 1
    # Obtain the pid and check it against the binary name.
    pid=`cat $PIDFILE`
    running_pid $pid $DAEMON || return 1
    return 0
}

force_stop() {
# Forcefully kill the process.
    [ ! -f "$PIDFILE" ] && return
    if running ; then
        kill -15 $pid
        # Is it really dead?
        [ -n "$DODTIME" ] && sleep "$DODTIME"s
        if running ; then
            kill -9 $pid
            [ -n "$DODTIME" ] && sleep "$DODTIME"s
            if running ; then
                echo "Cannot kill $NAME (pid=$pid)!"
                exit 1
            fi
        fi
    fi
    rm -f $PIDFILE
    return 0
}

case "$1" in
    start)
        echo -n "Starting $DESC: "
        start-stop-daemon --start --quiet --pidfile $PIDFILE \
            --startas $DAEMON -- $DAEMON_OPTS
        test -f $PIDFILE || sleep 1
            if running ; then
                echo "$NAME."
            else
                echo " ERROR."
            fi
        ;;
    stop)
        echo -n "Stopping $DESC: "
        start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
        echo "$NAME."
        ;;
    force-stop)
        echo -n "Forcefully stopping $DESC: "
        force_stop
        if ! running ; then
            echo "$NAME."
        else
            echo " ERROR."
        fi
        ;;
    #reload)
        #    If the daemon can reload its config files on the fly
        #    for example by sending it SIGHUP, do it here.
        #
        #    If the daemon responds to changes in its config file
        #    directly anyway, make this a do-nothing entry.
        #
        # echo "Reloading $DESC configuration files."
        # start-stop-daemon --stop --signal 1 --quiet --pidfile \
        #    /var/run/$NAME.pid --exec $DAEMON
        #;;
    force-reload)
        # If the "reload" option is implemented, move the "force-reload"
        # option to the "reload" entry above. If not, "force-reload" is
        # just the same as "restart" except that it does nothing if the
        # daemon isn't already running.
        # check wether $DAEMON is running. If so, restart
        start-stop-daemon --stop --test --quiet --pidfile $PIDFILE \
        --startas $DAEMON \
        && $0 restart \
        || exit 0
        ;;
    restart)
        echo -n "Restarting $DESC: "
        start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
        [ -n "$DODTIME" ] && sleep $DODTIME
        start-stop-daemon --start --quiet --pidfile $PIDFILE \
            --startas $DAEMON -- $DAEMON_OPTS
        echo "$NAME."
        ;;
    status)
        echo -n "$NAME is "
        if running ;  then
            echo "running"
        else
            echo "not running."
            exit 1
        fi
        $SUPERVISORCTL $DAEMON_OPTS status
        ;;
    *)
        N=/etc/init.d/$NAME
        # echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
        echo "Usage: $N {start|stop|restart|force-reload|status|force-stop}" >&2
        exit 1
        ;;
esac

exit 0