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scripts-admin-quickndirty-p.../oldies/script_inotify-rsync_startup-script.sh

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#! /bin/sh
### BEGIN INIT INFO
# Provides: rsync-inotify
# Required-Start: $syslog $local_fs $network
# Required-Stop: $syslog $local_fs $network
# Should-Start: $named
# Should-Stop: $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Rsync-inotify launcher
# Description: This script launch the rsync-inotify script on the upload
# of the XXX instances project.
### END INIT INFO
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Rsync-Inotify for XXX instances"
NAME=inotify-rsync
DAEMON=/root/script_inotify-rsync.sh
# J'arrive pas à le faire passer correctement à start-stop-daemon :-(
#DAEMON_ARGS='-r "-q -aH --delete --password-file=/root/.inotify-rsync-password" -s /srv/XXX/ -d "rsync://XXX-storage-master@srv2.example.net/XXX-storage/"'
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/inotify-rsync.sh
# 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/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
#
# Function that starts the daemon/service
#
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
if [ -n "$( pgrep -f "$DAEMON" )" ]; then
return 1
fi
start-stop-daemon --start -b --make-pidfile --iosched idle --nicelevel 10 --exec "$DAEMON" --pidfile "$PIDFILE" --test > /dev/null \
|| return 1
start-stop-daemon --start -b --make-pidfile --iosched idle --nicelevel 10 --exec "$DAEMON" --pidfile "$PIDFILE" -- \
-r "-q -aH --delete --password-file=/root/.inotify-rsync-password" -s /srv/XXX/ -d "rsync://storage-master@srv2.example.net/XXX-storage/" \
|| return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
# Petite vérification supplémentaire :
# comme on ne semble pas pouvoir utiliser l'option --exec avec le --stop
# de start-stop-daemon, on vérifie que le PID dans PID_FILE correspond bien
# notre process
PID_CHECK="$( pgrep -f "$DAEMON" )"
if [ -z "$PID_CHECK" ] || [ "$PID_CHECK" != "$( cat "$PIDFILE" 2>/dev/null )" ]; then
return 2
fi
# start-stop-daemon ne semble pas arrêter proprement le inotifywait qui reste
# zombifié jusqu'à son timeout. Du coup, on commence par pkill
pkill --signal INT -P "$PID_CHECK" || return 2
if [ -n "$( pgrep -f "$DAEMON" )" ]; then
start-stop-daemon --stop --quiet --retry=INT/5/KILL/5 --pidfile "$PIDFILE"
fi
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
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
;;
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|restart|force-reload}" >&2
exit 3
;;
esac
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