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#! /bin/sh

### BEGIN INIT INFO
# Provides:          cc-server
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: start the CloudControl server
# Description:       starts the CloudControl server using start-stop-daemon
### END INIT INFO

# Author: Antoine Millet <antoine.millet@smartjog.com>

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="CloudControl server"
NAME=cc-server
DAEMON=/usr/bin/cc-server
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid

# Defaults:
USER=cc-server
GROUP=cc-server

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

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# Override the VERBOSE variable so we always have feedback messages
VERBOSE=yes

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# 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

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

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# Read and parse configuration variable file if it is present
[ -r /etc/default/$NAME ] && {
    . /etc/default/$NAME
    # Do not start if service is disabled
    if [ "$ENABLED" != "true" ] ; then
        echo "$DESC disabled, see /etc/default/$NAME"
        exit 0
    fi
}
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#
# Function that starts the daemon/service
#
do_start()
{
    start-stop-daemon --start --quiet --background --make-pidfile \
            --pidfile $PIDFILE --chuid $USER:$GROUP --exec $DAEMON \
            --test > /dev/null || return 1
    start-stop-daemon --start --quiet --background --make-pidfile \
            --pidfile $PIDFILE --chuid $USER:$GROUP --exec $DAEMON \
            -- $DAEMON_OPTS || return 2
}

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#
# Function that starts the daemon/service
#
do_start()
{
    start-stop-daemon --start --quiet --background --name $NAME \
            --exec $(readlink -f $(which python)) --test > /dev/null || return 2
    start-stop-daemon --start --quiet --background --make-pidfile \
            --pidfile $PIDFILE --chuid $USER:$GROUP --exec $DAEMON \
            -- $DAEMON_OPTS || return 1
}

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#
# Function that stops the daemon/service
#
do_stop()
{
        start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
        RETVAL="$?"
        [ "$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() {
        start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
        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) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  restart|force-reload)
        #
        # If the "reload" option is implemented then remove the
        # 'force-reload' alias
        #
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        [ "$VERBOSE" != no ] && log_daemon_msg "Restarting $DESC" "$NAME"
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        do_stop
        case "$?" in
          0|1)
                do_start
                case "$?" in
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                        0) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                        1) [ "$VERBOSE" != no ] && log_end_msg 1 ;; # Old process is still running
                        *) [ "$VERBOSE" != no ] && log_end_msg 1 ;; # Failed to start
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                esac
                ;;
          *)
                # Failed to stop
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                [ "$VERBOSE" != no ] && log_end_msg 1
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                ;;
        esac
        ;;
  *)
        echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
        exit 3
        ;;
esac

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