#
# Bacula interface to virtual autoloader using disk storage
#
+# Written by Kern Sibbald
+#
+# Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
+#
+# The main author of Bacula is Kern Sibbald, with contributions from
+# many others, a complete list can be found in the file AUTHORS.
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of version two of the GNU General Public
+# License as published by the Free Software Foundation, which is
+# listed in the file LICENSE.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# Bacula® is a registered trademark of Kern Sibbald.
+# The licensor of Bacula is the Free Software Foundation Europe
+# (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+# Switzerland, email:ftf@fsfeurope.org.
+#
+#
# $Id$
#
# If you set in your Device resource
#
-# Changer Command = "path-to-this-script/disk-changer" %c %o %S %a %d
+# Changer Command = "path-to-this-script/disk-changer %c %o %S %a %d"
# you will have the following input to this script:
#
# So Bacula will always call with all the following arguments, even though
#
dbgfile="$wd/disk-changer.log"
debug() {
- if test -e $dbgfile; then
+ if test -f $dbgfile; then
echo "`date +\"%Y%m%d-%H:%M:%S\"` $*" >> $dbgfile
fi
}
#
get_dir() {
bn=`basename $device`
- dir=`echo "$device" | sed -e s%/$bn%%g -`
+ dir=`echo "$device" | sed -e s%/$bn%%g`
+ if [ ! -d $dir ]; then
+ echo "ERROR: Autochanger directory \"$dir\" does not exist.\n"
+ echo " You must create it.\n"
+ exit 1
+ fi
}
# all others are a minimum of 5
#
case $2 in
- list)
+ list|listall)
check_parm_count $# 2
;;
slots)
check_parm_count $# 2
;;
+ transfer)
+ check_parm_count $# 4
+ if [ $slot -gt $maxslot ]; then
+ echo "Slot ($slot) out of range (1-$maxslot)"
+ exit 1
+ fi
+ ;;
*)
check_parm_count $# 5
if [ $drive -gt $maxdrive ]; then
unload)
debug "Doing disk -f $ctl unload $slot $device $drive"
get_dir
- echo "0" >$dir/loaded${drive}
- unlink $device 2>/dev/null >/dev/null
- rm -f $device
+ if [ -f $dir/loaded${drive} ]; then
+ ld=`cat $dir/loaded${drive}`
+ else
+ echo "Storage Element $slot is Already Full"
+ exit 1
+ fi
+ if [ $slot -eq $ld ]; then
+ echo "0" >$dir/loaded${drive}
+ unlink $device 2>/dev/null >/dev/null
+ rm -f $device
+ else
+ echo "Storage Element $slot is Already Full"
+ exit 1
+ fi
;;
load)
debug "Doing disk $ctl load $slot $device $drive"
get_dir
+ i=0
+ while [ $i -le $maxdrive ]; do
+ if [ -f $dir/loaded${i} ]; then
+ ld=`cat $dir/loaded${i}`
+ else
+ ld=0
+ fi
+ if [ $ld -eq $slot ]; then
+ echo "Drive ${i} Full (Storage element ${ld} loaded)"
+ exit 1
+ fi
+ i=`expr $i + 1`
+ done
+ # check if slot exists
+ if [ ! -f $dir/slot${slot} ] ; then
+ echo "source Element Address $slot is Empty"
+ exit 1
+ fi
+ if [ -f $dir/loaded${drive} ]; then
+ ld=`cat $dir/loaded${drive}`
+ else
+ ld=0
+ fi
+ if [ $ld -ne 0 ]; then
+ echo "Drive ${drive} Full (Storage element ${ld} loaded)"
+ exit 1
+ fi
echo "0" >$dir/loaded${drive}
unlink $device 2>/dev/null >/dev/null
rm -f $device
exit 0
;;
+ listall)
+ make_temp_file
+ debug "Doing disk -f $ctl -- to list volumes"
+ get_dir
+ if [ ! -f $dir/barcodes ]; then
+ exit 0
+ fi
+
+ # we print drive content seen by autochanger
+ # and we also remove loaded media from the barcode list
+ i=0
+ while [ $i -le $maxdrive ]; do
+ if [ -f $dir/loaded${i} ]; then
+ ld=`cat $dir/loaded${i}`
+ v=`awk -F: "/^$ld:/"' { print $2 }' $dir/barcodes`
+ echo "D:$i:F:$ld:$v"
+ echo "^$ld:" >> $TMPFILE
+ fi
+ i=`expr $i + 1`
+ done
+
+ # Empty slots are not in barcodes file
+ # When we detect a gap, we print missing rows as empty
+ # At the end, we fill the gap between the last entry and maxslot
+ grep -v -f $TMPFILE $dir/barcodes | sort -n | \
+ perl -ne 'BEGIN { $cur=1 }
+ if (/(\d+):(.+)?/) {
+ if ($cur == $1) {
+ print "S:$1:F:$2\n"
+ } else {
+ while ($cur < $1) {
+ print "S:$cur:E\n";
+ $cur++;
+ }
+ }
+ $cur++;
+ }
+ END { while ($cur < '"$maxslot"') { print "S:$cur:E\n"; $cur++; } } '
+
+ rm -f $TMPFILE
+ exit 0
+ ;;
+ transfer)
+ get_dir
+ make_temp_file
+ slotdest=$device
+ if [ -f $dir/slot{$slotdest} ]; then
+ echo "destination Element Address $slot is Full"
+ exit 1
+ fi
+ if [ ! -f $dir/slot${slot} ] ; then
+ echo "source Element Address $slot is Empty"
+ exit 1
+ fi
+
+ echo "Transfering $slot to $slotdest"
+ mv $dir/slot${slot} $dir/slot{$slotdest}
+
+ if [ -f $dir/barcodes ]; then
+ sed "s/^$slot:/$slotdest:/" > $TMPFILE
+ sort -n $TMPFILE > $dir/barcodes
+ fi
+ exit 0
+ ;;
loaded)
debug "Doing disk -f $ctl $drive -- to find what is loaded"
get_dir
projects / bacula / bacula / blobdiff