cat /etc/init.d/adergunov
#! /bin/sh
### BEGIN INIT INFO
# Provides:          Adergunov
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Initscript for adergunov
# Description:       This file should be used to construct scripts for
#                    adergunov to be placed in /etc/init.d.
### END INIT INFO

# Author: Alexander Ivanov <alexander.vl.ivanov@gmail.com>

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Daemon of the adergunov"
NAME=adergunov

RUN_DIR=/var/run/$NAME
LOG_DIR=/var/log/$NAME
UPLOAD_DIR=/srv/www/adergunov/media/upload

PIDFILE=$RUN_DIR/$NAME.pid
SOCKET=$RUN_DIR/$NAME.socket
#HOST=127.0.0.1
#PORT=8080

RUN_AS_USER=www-data
RUN_AS_GROUP=www-data

DAEMON=/usr/bin/env
# Don`t and spaces or new-lines to DAEMON_ARGS
DAEMON_ARGS="python /srv/www/adergunov/bin/django runfcgi pidfile=$PIDFILE socket=$SOCKET outlog=$LOG_DIR/out.log errlog=$LOG_DIR/err.log minspare=1 maxspare=2 maxchildren=5"

SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# 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

#
# 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
    if ( [ -f $PIDFILE ] && ps --pid $(cat $PIDFILE) > /dev/null ); then
        echo -n "$NAME already running."
        return 1
    else
        if [ -f $PIDFILE ]; then
           rm -f $PIDFILE
        fi

        # check directories and permissions
        mkdir -p $RUN_DIR $LOG_DIR $UPLOAD_DIR
        chown -R $RUN_AS_USER:$RUN_AS_GROUP $RUN_DIR $LOG_DIR
        chmod -R a-x,u=rwX,g=rX,o= $RUN_DIR $LOG_DIR
        find $UPLOAD_DIR ! -perm a-x,ug=rwX,o=rX -exec chmod a-x,ug=rwX,o=rX {} \;
        find $UPLOAD_DIR \( ! -user $RUN_AS_USER -or ! -group $RUN_AS_GROUP \) -exec chown $RUN_AS_USER:$RUN_AS_GROUP {} \;

        start-stop-daemon --start --quiet --pidfile $PIDFILE \
            --chuid ${RUN_AS_USER} --group ${RUN_AS_USER}\
            --exec $DAEMON -- $DAEMON_ARGS \
            || return 2
    fi
}

#
# 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 $PIDFILE
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2
    pkill -TERM -f "$DAEMON_ARGS" && sleep 5
    pkill -KILL -f "$DAEMON_ARGS" && sleep 1
    pgrep -f "$DAEMON_ARGS" && 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 $PIDFILE
    sleep 1
    do_start
    [ "$?" = 2 ] && return 2
    return 0
}

case "$1" in
  start)
    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    case "$?" in
        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  stop)
    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    case "$?" in
        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  reload)
    #
    # If do_reload() is not implemented then leave this commented out
    # and leave 'force-reload' as an alias for 'restart'.
    #
    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 "$?" in
      0|1)
        do_start
        case "$?" 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|restart|reload|force-reload}" >&2
    echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
    exit 3
    ;;
esac

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