Produits Entr'ouvert » Corbo

#!/bin/sh

### BEGIN INIT INFO

# Provides:          corbo

# Required-Start:    $network $local_fs $remote_fs $syslog

# Required-Stop:     $network $local_fs $remote_fs $syslog

# Should-start:      postgresql

# Should-stop:       postgresql

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: Announces Manager

# Description:       Announces Manager

### END INIT INFO

# Author:  Serghei Mihai <smihai@entrouvert.com>

PATH=/sbin:/usr/sbin:/bin:/usr/bin

DESC="Announces Manager"

NAME=corbo

DAEMON=/usr/bin/gunicorn

RUN_DIR=/run/$NAME

PIDFILE=$RUN_DIR/$NAME.pid

LOG_DIR=/var/log/$NAME

SCRIPTNAME=/etc/init.d/$NAME

BIND=unix:$RUN_DIR/$NAME.sock

WORKERS=5

TIMEOUT=30

LOG_LEVEL=debug

CORBO_SETTINGS_FILE=/usr/lib/$NAME/debian_config.py

MANAGE_SCRIPT="/usr/bin/$NAME-manage"

USER=$NAME

GROUP=$NAME

# Exit if the package is not installed

[ -x $MANAGE_SCRIPT ] || exit 0

# Read configuration variable file if it is present

[ -r /etc/default/$NAME ] && . /etc/default/$NAME

DAEMON_ARGS=${DAEMON_ARGS:-"--pid $PIDFILE \

--user $USER --group $GROUP \

--daemon \

--access-logfile $LOG_DIR/gunicorn-access.log \

--log-file $LOG_DIR/gunicorn-error.log \

--log-level=$LOG_LEVEL \

--bind=$BIND  \

--workers=$WORKERS \

--worker-class=sync \

--timeout=$TIMEOUT \

--name $NAME \

$NAME.wsgi:application"}

# Load the VERBOSE setting and other rcS variables

. /lib/init/vars.sh

# Define LSB log_* functions.

# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.

. /lib/lsb/init-functions

# Create /run directory

if [ ! -d $RUN_DIR ]; then

    install -d -m 755 -o $USER -g $GROUP $RUN_DIR

fi

# environment for wsgi

export CORBO_SETTINGS_FILE

#

# Function that starts the daemon/service

#

do_start()

{

    # Return

    #   0 if daemon has been started

    #   1 if daemon was already running

    #   2 if daemon could not be started

    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \

        || return 1

    start-stop-daemon --start --quiet --exec $DAEMON -- \

        $DAEMON_ARGS \

        || return 2

}

#

# Function that stops the daemon/service

#

do_stop()

{

    # Return

    #   0 if daemon has been stopped

    #   1 if daemon was already stopped

    #   2 if daemon could not be stopped

    #   other if a failure occurred

    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE

    RETVAL="$?"

    [ "$RETVAL" = 2 ] && return 2

    # Wait for children to finish too if this is a daemon that forks

    # and if the daemon is only ever run from this initscript.

    # If the above conditions are not satisfied then add some other code

    # that waits for the process to drop all resources that could be

    # needed by services started subsequently.  A last resort is to

    # sleep for some time.

    start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON

    [ "$?" = 2 ] && return 2

    # Many daemons don't delete their pidfiles when they exit.

    rm -f $PIDFILE

    return "$RETVAL"

}

#

# Function that sends a SIGHUP to the daemon/service

#

do_reload() {

    #

    # If the daemon can reload its configuration without

    # restarting (for example, when it is sent a SIGHUP),

    # then implement that here.

    #

    start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name `basename $DAEMON`

    return 0

}

do_migrate() {

    log_action_msg "Applying migrations (migrate_schemas).."

    su $USER -s /bin/sh -p -c "$MANAGE_SCRIPT migrate_schemas"

    log_action_msg "done"

}

do_collectstatic() {

    log_action_msg "Collect static files (collectstatic).."

    su $USER -s /bin/sh -p -c "$MANAGE_SCRIPT collectstatic --noinput"

    log_action_msg "done"

}

case "$1" in

  start)

    log_daemon_msg "Starting $DESC " "$NAME"

    do_migrate

    do_collectstatic

    do_start

    case "$?" in

        0|1) log_end_msg 0 ;;

        2) log_end_msg 1 ;;

    esac

  ;;

  stop)

    log_daemon_msg "Stopping $DESC" "$NAME"

    do_stop

    case "$?" in

        0|1) log_end_msg 0 ;;

        2) log_end_msg 1 ;;

    esac

    ;;

  status)

    status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?

    ;;

  reload|force-reload)

    #

    # If do_reload() is not implemented then leave this commented out

    # and leave 'force-reload' as an alias for 'restart'.

    #

    log_daemon_msg "Reloading $DESC" "$NAME"

    do_collectstatic

    do_migrate

    do_reload

    log_end_msg $?

    ;;

  restart|force-reload)

    #

    # If the "reload" option is implemented then remove the

    # 'force-reload' alias

    #

    log_daemon_msg "Restarting $DESC" "$NAME"

    do_stop

    case "$?" in

      0|1)

        do_migrate

        do_collectstatic

        do_start

        case "$?" in

            0) log_end_msg 0 ;;

            1) log_end_msg 1 ;; # Old process is still running

            *) log_end_msg 1 ;; # Failed to start

        esac

        ;;

      *)

        # Failed to stop

        log_end_msg 1

        ;;

    esac

    ;;

  *)

    echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload}" >&2

    exit 3

    ;;

esac