packages: amanda/convert-zd-mtx-to-robot.sh (NEW) - changer config converte...

[baggins]

Author: baggins                      Date: Thu Nov 25 13:26:51 2010 GMT
Module: packages                      Tag: HEAD
---- Log message:
- changer config converter that somehow is missing from dist tarball

---- Files affected:
packages/amanda:
   convert-zd-mtx-to-robot.sh (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: packages/amanda/convert-zd-mtx-to-robot.sh
diff -u /dev/null packages/amanda/convert-zd-mtx-to-robot.sh:1.1
--- /dev/null	Thu Nov 25 14:26:51 2010
+++ packages/amanda/convert-zd-mtx-to-robot.sh	Thu Nov 25 14:26:46 2010
@@ -0,0 +1,165 @@
+#! /bin/sh
+
+if test $# -ne 1; then
+    echo "USAGE: $0 <CONFIG>"
+    exit 1
+fi
+
+CONFIG=$1
+CFGDIR=`amgetconf build.CONFIG_DIR`
+if test -z "$CFGDIR"; then
+    echo "could not get CONFIG_DIR - is Amanda set up correctly?"
+    exit 1;
+fi
+
+# cd into config dir so relative paths work
+cd "$CFGDIR/$CONFIG"
+
+##
+# get the configuration (this is copied directly from chg-zd-mtx)
+
+die() {
+    echo "$*"
+    exit 1
+}
+
+changerfile=`amgetconf $CONFIG changerfile 2>/dev/null`
+if [ -z "$changerfile" ]; then
+     die "changerfile must be specified in amanda.conf"
+fi
+conf_match=`expr "$changerfile" : .\*\.conf\$`
+if [ $conf_match -ge 6 ]; then
+	configfile=$changerfile
+	changerfile=`echo $changerfile | sed 's/.conf$//g'`
+else
+	configfile=$changerfile.conf
+fi
+if [ ! -e $configfile ]; then
+    die "configuration file \"$configfile\" doesn't exist"
+fi
+if [ ! -f $configfile ]; then
+    die "configuration file \"$configfile\" is not a file"
+fi
+cleanfile=$changerfile-clean
+accessfile=$changerfile-access
+slotfile=$changerfile-slot
+labelfile=$changerfile-barcodes
+
+varlist=
+varlist="$varlist firstslot"
+varlist="$varlist lastslot"
+varlist="$varlist cleanslot"
+varlist="$varlist cleancycle"
+varlist="$varlist OFFLINE_BEFORE_UNLOAD"	# old name
+varlist="$varlist offline_before_unload"
+varlist="$varlist unloadpause"
+varlist="$varlist AUTOCLEAN"			# old name
+varlist="$varlist autoclean"
+varlist="$varlist autocleancount"
+varlist="$varlist havereader"
+varlist="$varlist driveslot"
+varlist="$varlist poll_drive_ready"
+varlist="$varlist initial_poll_delay"
+varlist="$varlist max_drive_wait"
+varlist="$varlist slotinfofile"
+
+for var in $varlist
+do
+	val="`cat $configfile 2>/dev/null | sed -n '
+# Ignore comment lines (anything starting with a #).
+/^[ 	]*#/d
+# Find the first var=val line in the file, print the value and quit.
+/^[ 	]*'$var'[ 	]*=[ 	]*\([^ 	][^ 	]*\).*/	{
+	s/^[ 	]*'$var'[ 	]*=[ 	]*\([^ 	][^ 	]*\).*/\1/p
+	q
+}
+'`"
+	eval $var=\"$val\"
+done
+
+firstslot=${firstslot:-'-1'}				# default: mtx status
+lastslot=${lastslot:-'-1'}				# default: mtx status
+driveslot=${driveslot:-'0'}				# default: 0
+cleanslot=${cleanslot:-'-1'}				# default: -1
+cleancycle=${cleancycle:-'120'}				# default: two minutes
+if [ -z "$offline_before_unload" -a -n "$OFFLINE_BEFORE_UNLOAD" ]; then
+	offline_before_unload=$OFFLINE_BEFORE_UNLOAD	# (old name)
+fi
+offline_before_unload=${offline_before_unload:-'0'}	# default: 0
+unloadpause=${unloadpause:-'0'}				# default: 0
+if [ -z "$autoclean" -a -n "$AUTOCLEAN" ]; then
+	autoclean=$AUTOCLEAN				# (old name)
+fi
+autoclean=${autoclean:-'0'}				# default: 0
+autocleancount=${autocleancount:-'99'}			# default: 99
+havereader=${havereader:-'0'}				# default: 0
+poll_drive_ready=${poll_drive_ready:-'3'}		# default: three seconds
+initial_poll_delay=${initial_poll_delay:-'0'}		# default: zero zeconds
+max_drive_wait=${max_drive_wait:-'120'}			# default: two minutes
+
+tapedev=`amgetconf $CONFIG tapedev 2>/dev/null`
+if [ -z "$tapedev" ]; then
+    die "tapedev may not be empty"
+fi
+
+changerdev=`amgetconf $CONFIG changerdev 2>/dev/null`
+if [ -z "$changerdev" ]; then
+    die "changerdev may not be empty"
+elif [ $changerdev = "/dev/null" ]; then
+    die "changerdev ($changerdev) may not be the null device"
+fi
+
+####
+# Create the chg-robot config
+
+# note that cleaning is not supported by chg-robot, so the cleaning parameters are
+# not converted.
+
+showbool() {
+    if test "$1" -ne 0; then
+	echo 'yes'
+    else
+	echo 'no'
+    fi
+}
+
+echo "Remove the following parameters, if present, from your amanda.conf:"
+echo "   tpchanger changerfile changerdev tapedev"
+echo ""
+echo "Add the following to amanda.conf (you may want to use a more descriptive name for the changer):"
+echo ""
+echo "tapedev \"converted-from-chg-zd-mtx\""
+echo "define changer \"converted-from-chg-zd-mtx\" {"
+echo "  tpchanger \"chg-robot:$changerdev\""
+echo "  changerfile \"$changerfile-state\""
+echo "  property \"tape-device\" \"$driveslot=$tapedev\""
+echo "  property \"eject-before-unload\" \""`showbool $offline_before_unload`"\""
+if test $firstslot -ge 0 && test $lastslot -ge 0; then
+    echo "  property \"use-slots\" \"$firstslot-$lastslot\""
+elif test $firstslot -ge 0 || test $lastslot -ge 0; then
+    echo "  # you may want to set the USE-SLOTS property appropriately"
+fi
+if test "${unloadpause:-0}" -gt 0; then
+    echo "  property \"eject-delay\" \"$unloadpause s\""
+fi
+if test $havereader -eq 0; then
+    echo "  property \"fast-search\" \"no\""
+    echo "  property \"ignore-barcodes\" \"yes\""
+fi
+echo "  property \"load-poll\" \"$initial_poll_delay s poll $poll_drive_ready s until $max_drive_wait s\""
+echo "}"
+echo ""
+
+####
+# and offer suggestions for loading metadata, if slotinfofile is set
+
+if test -z "$slotinfofile"; then
+    echo "Once this configuration is in place, run"
+    echo "  amtape $CONFIG update"
+    echo "to update the changer's tape database.  For a large changer, this may take some time."
+else
+    echo "Run the following commands to initialize the changer's tape database."
+    cat "$slotinfofile" | while read slot label; do
+	echo "  amtape $CONFIG update \"$slot=$label\""
+    done
+fi
================================================================