nutools/lib/backup.umount

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#!/bin/bash
# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
STATUS="$1"
BCKDIR="${2:-/backup}"
VGNAME="$3"
LVNAME="$4"
###############################################################################
# Ne pas modifier à partir d'ici
function die() {
[ -n "$*" ] && echo "$*"
exit 1
}
# vérifier le status
[ "$STATUS" == "OK" ] || die "ERR status"
shift
# sauter les argument (BCKDIR, VGNAME, LVNAME)
shift; shift; shift
mountro=
umount=
umountvg=
while [ -n "$1" ]; do
case "$1" in
mounted_rw) mountro=1;;
mounted) umount=1;;
mounted_vg) umountvg=1;;
esac
shift
done
if [ -n "$mountro" ]; then
mount -o remount,ro "$BCKDIR" >&/dev/null || die "ERR cannot remount $BCKDIR as R/O"
fi
if [ -n "$umount" ]; then
umount "$BCKDIR" >&/dev/null || die "ERR cannot umount $BCKDIR"
fi
if [ -n "$umountvg" ]; then
vgchange -an "$VGNAME" >&/dev/null || die "ERR cannot deactivate $VGNAME"
fi
echo OK