#! /bin/sh

### BEGIN INIT INFO

# Provides:          %(name)s

# Required-Start:    $remote_fs $syslog

# Required-Stop:     $remote_fs $syslog

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: %(desc)s

# Description:       Manages the %(desc)s daemon.

### END INIT INFO

DESC="%(desc)s"

NAME=%(name)s

PYTHON=%(envdir)s/bin/python

RATTAIL=%(envdir)s/bin/rattail

RATTAIL_ARGS="--config=%(envdir)s/app/dbsync.ini"

. /var/lib/rattail/init.d/dbsync

#!/bin/sh

# -*- coding: utf-8  -*-

################################################################################

#

#  Rattail -- Retail Software Framework

#  Copyright © 2010-2012 Lance Edgar

#

#  This file is part of Rattail.

#

#  Rattail is free software: you can redistribute it and/or modify it under the

#  terms of the GNU Affero General Public License as published by the Free

#  Software Foundation, either version 3 of the License, or (at your option)

#  any later version.

#

#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY

#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

#  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for

#  more details.

#

#  You should have received a copy of the GNU Affero General Public License

#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.

#

################################################################################

# This script is mostly based on the ``/etc/init.d/skeleton`` file from a

# Debian 6 system.

DESC=${DESC:-"Rattail Database Synchronizer"}

NAME=${NAME:-"rattail-dbsync"}

SCRIPTNAME=${SCRIPTNAME:-"/etc/init.d/$NAME"}

PIDFILE=${PIDFILE:-"/var/run/rattail/$NAME.pid"}

PYTHON=${PYTHON:-"/usr/bin/python"}

RATTAIL=${RATTAIL:-"/usr/local/bin/rattail"}

RATTAIL_ARGS=${RATTAIL_ARGS:-""}

DBSYNC_ARGS=${DBSYNC_ARGS:-"--pidfile=$PIDFILE"}

USER=${USER:-"rattail"}

GROUP=${GROUP:-"rattail"}

# Read configuration variable files if present.

[ -r /etc/default/rattail ] && . /etc/default/rattail

[ -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 (>= 3.2-14) to ensure that this file is present

# and status_of_proc is working.

. /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

    start-stop-daemon --start --pidfile $PIDFILE --exec $PYTHON --user $USER --test --quiet > /dev/null \

        || return 1

    start-stop-daemon --start --pidfile $PIDFILE --exec $PYTHON --startas $RATTAIL --chuid $USER --group $GROUP --quiet -- \

        $RATTAIL_ARGS dbsync $DBSYNC_ARGS start \

        || 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

    $RATTAIL $RATTAIL_ARGS dbsync $DBSYNC_ARGS stop > /dev/null 2>&1

}

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

	;;

  status)

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

       ;;

  restart|force-reload)

	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|status|restart|force-reload}" >&2

	exit 3

	;;

esac

:

def configure_rattail_lib(overwrite=None):

    """

    Configure basic Rattail "library" files.

    """

    overwrite = get_overwrite(overwrite)

    if not exists('/etc/default/rattail') or overwrite:

        put('data/etc/default/rattail', '/etc/default', use_sudo=True)

        sudo('chown root: /etc/default/rattail')

    if not exists('/var/lib/rattail'):

        create_user(overwrite=True)

    if not exists('/var/lib/rattail/init.d'):

        sudo('mkdir /var/lib/rattail/init.d', user='rattail')

    if not exists('/var/run/rattail'):

        sudo('mkdir /var/run/rattail')

        sudo('chown rattail: /var/run/rattail')

    configure_rattail_lib(overwrite)

@task

def configure_dbsync(name=None, desc=None, envdir=None, overwrite=None):

    """

    Configure a Rattail Database Synchonizer daemon.

    """

    if name is None:

        default_name = 'rattail-dbsync'

        name = raw_input("Enter a name for the service [{0}]: ".format(default_name))

        name = name.strip() or default_name

    if desc is None:

        default_desc = prettify(name.replace('dbsync', 'database-synchronizer'))

        desc = raw_input("Enter a description [{0}]: ".format(default_desc))

        desc = desc.strip() or default_desc

    if envdir is None:

        default_envdir = name.replace('-dbsync', '')

        default_envdir = default_envdir.replace('-', '.')

        default_envdir = '/srv/envs/{0}'.format(default_envdir)

        envdir = raw_input("Enter a virtual environment path [{0}]: ".format(default_envdir))

        envdir = envdir.strip() or default_envdir

    overwrite = get_overwrite(overwrite)

    configure_rattail_lib(overwrite)

    if not exists('/var/lib/rattail/init.d/dbsync') or overwrite:

        put('data/var/lib/rattail/init.d/dbsync', '/var/lib/rattail/init.d', use_sudo=True)

        sudo('chown rattail: /var/lib/rattail/init.d/dbsync')

    script = '/etc/init.d/{0}'.format(name)

    if not exists(script) or overwrite:

        upload_template('data/etc/init.d/rattail-dbsync_tmpl', script,

                        context=locals(), use_sudo=True, mode=0755)

        sudo('chown root: {0}'.format(script))

        sudo('insserv {0}'.format(script))

        if sys.platform == 'linux2':

            parser.add_argument('-p', '--pidfile',

                                help="Path to PID file", metavar='PATH')

            dbsync.start_daemon(args.pidfile)

            dbsync.stop_daemon(args.pidfile)

import edbob

def get_daemon(pidfile=None):

    """

    Get a :class:`SyncDaemon` instance.

    """

    if pidfile is None:

        pidfile = edbob.config.get('rattail.db', 'sync.pid_path',

                                   default='/var/run/rattail/dbsync.pid')

    return SyncDaemon(pidfile)

def start_daemon(pidfile=None):

    """

    Start the database synchronization daemon.

    """

    get_daemon(pidfile).start()

def stop_daemon(pidfile=None):

    """

    Stop the database synchronization daemon.

    """

    get_daemon(pidfile).stop()