129 lines
3 KiB
Bash
Executable file
129 lines
3 KiB
Bash
Executable file
#!/bin/sh
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# Configuration
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DIR_SOURCE=""
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DIR_DESTINATION=""
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MAX_WAIT=60
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RSYNC_OPTIONS="-q -aH --delete"
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INOTIFYWAIT_OPTIONS="-qq -r -e close_write -e attrib -e move -e create -e delete -e unmount"
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#RSYNC_OPTIONS="-v -aH --delete"
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#INOTIFYWAIT_OPTIONS="-r -e close_write -e attrib -e move -e create -e delete -e unmount"
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# On essaie de diminuer la priorité de la chose
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# Aucune importance si les utilitaires ne sont pas dispos
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renice 15 -p $$ >/dev/null 2>&1
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ionice -c 3 -p $$ >/dev/null 2>&1
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# Arrêt à la moindre erreur non-catchée
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set -e
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# Fonctions
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# Little helper to centralize syslog calls
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loglog() {
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LEVEL="$1"
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shift
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logger -s -t inotify-rsync -p user.$LEVEL $@
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}
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# affiche le message d'aide
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usage() {
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cat <<EOF
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$0 [-i inotifywait_options] [-r rsync_options] [-t max_wait] -s source_directory -d rsync_destination
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$0 -h
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-s : specify the rsync source (needs to be a local directory)
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-d : specify the rsync destination (can be anythin rsync accepts)
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-i : inotifywait options (minus the -t option)
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(default : "$INOTIFYWAIT_OPTIONS")
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-r : rsync options
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(default : "$RSYNC_OPTIONS")
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-t : Even without event (or in case of missed event), rsync will be launched every "max_wait" seconds
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(0 = wait forever) (default: $MAX_WAIT)
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-h : this help screen
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EOF
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}
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# Début du code
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# gestion des options de lancement
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while getopts s:d:r:w:h o; do
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case $o in
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's')
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DIR_SOURCE="$OPTARG"
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;;
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'd')
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DIR_DESTINATION="$OPTARG"
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;;
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'i')
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INOTIFYWAIT_OPTIONS="$OPTARG"
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;;
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'r')
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RSYNC_OPTIONS="$OPTARG"
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;;
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'w')
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MAX_WAIT="$OPTARG"
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;;
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'h')
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usage
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exit 0
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;;
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\?)
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usage >&2
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exit 1
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;;
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esac
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done
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#shift $( expr $OPTIND - 1 )
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#REPDRUPAL="$1"
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# Some checks
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if [ -z "$DIR_SOURCE" ] || [ ! -d "$DIR_SOURCE" ]; then
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loglog err "ERROR: no source specified or directory inexistent." >&2
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exit 1
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fi
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if [ -z "$DIR_DESTINATION" ]; then
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loglog err "ERROR: no destination specified." >&2
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exit 1
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fi
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while true; do
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# rsync can send error code != 0, we'll have to check
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# what this code means before failing
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set +e
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rsync $RSYNC_OPTIONS "$DIR_SOURCE" "$DIR_DESTINATION"
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RSYNC_RETURN_CODE="$?"
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set -e
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while [ "$RSYNC_RETURN_CODE" -ne "0" ]; do
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for i in 24; do
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if [ "$RSYNC_RETURN_CODE" -eq "$i" ]; then
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# If the return code is "acceptable", we go on
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loglog debug "DEBUG: rsync returned code '$RSYNC_RETURN_CODE'"
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break 2
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fi
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done
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# The return code wasn't in the "acceptable" list => log + exit
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loglog err "ERROR: rsync returned unexpected error code : $RSYNC_RETURN_CODE. Script stopped."
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exit $RSYNC_RETURN_CODE
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done
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# Wait for another change
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# inotifywait can send error code != 0, we'll have to check
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# what this code means before failing
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set +e
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inotifywait $INOTIFYWAIT_OPTIONS -t "$MAX_WAIT" "$DIR_SOURCE"
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INOTIFYWAIT_RETURN_CODE="$?"
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set -e
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if [ "$INOTIFYWAIT_RETURN_CODE" -ne "0" ]; then
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if [ "$INOTIFYWAIT_RETURN_CODE" -ne "2" ]; then
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loglog err "ERROR: inotifywait returned unexpected error code : $INOTIFYWAIT_RETURN_CODE. Script stopped."
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exit $INOTIFYWAIT_RETURN_CODE
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fi
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fi
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done
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