#!/bin/sh
#    Copyright (c) 2013 Mirantis, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
#    Author: Igor Yozhikov <iyozhikov@mirantis.com>
#
### BEGIN INIT INFO
# Provides:          murano-api
# Required-Start:    $network $local_fs $remote_fs $syslog
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: OpenStack Murano API Server
# Description:       This startup script launches murano-api service daemon.
### END INIT INFO


PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin
DESC="murano-api"
NAME=murano-api
DAEMON=$(which murano-api)
PIDFILE=/var/run/murano/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
SYSTEM_USER=murano
CONFIG_FILE=/etc/murano/murano-api.conf
# Exit if the package is not installed
[ -x $DAEMON ] || exit 5

# source function library
. /lib/lsb/init-functions



do_start()
{
    if [ ! -d "/var/run/murano" ]; then
        mkdir -p /var/run/murano
        chown -R $SYSTEM_USER /var/run/murano
    fi
    start-stop-daemon --start --background --quiet --chuid $SYSTEM_USER:$SYSTEM_USER --make-pidfile --pidfile $PIDFILE --startas $DAEMON --test -- --config-file=$CONFIG_FILE > /dev/null || return 1
    start-stop-daemon --start --background --quiet --chuid $SYSTEM_USER:$SYSTEM_USER --make-pidfile --pidfile $PIDFILE --startas $DAEMON -- --config-file=$CONFIG_FILE || return 2
}

do_stop()
{
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
    RETVAL="$?"
    rm -f $PIDFILE
    return "$RETVAL"
}

case "$1" in
    start)
        log_daemon_msg "Starting $DESC" "$NAME"
        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 $?
        ;;
    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