# You must edit the file `backup-specs' to set the parameters for your site.
if [ ! -w / ]; then
- echo The backup must be run as root,
- echo or else some files will fail to be dumped.
+ echo The backup must be run as root or else some files will fail to be dumped.
exit 1
else
false
fi
-# This is undesirable -- rms.
-# rsh albert /usr/local/adm/motd-backup-start
-
# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
. ./backup-specs
# Maybe sleep until around specified or default hour.
#
-if [ "$1" != "now" ]; then
- if [ "$1"x != x ]; then
- spec=$1
+if [ "${1}" != "now" ]; then
+ if [ "${1}x" != "x" ]; then
+ spec="${1}"
else
- spec=$BACKUP_HOUR
+ spec="${BACKUP_HOUR}"
fi
pausetime=`date | awk '{hr=substr($4,1,2);\\
mn=substr($4,4,2);\\
print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
clear
cat ./dont_touch
- sleep $pausetime
+ sleep ${pausetime}
fi
# start doing things
here=`pwd`
LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-full
HOST=`hostname | sed 's/\..*//'`
-TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE"
+TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=${BLOCKING} --sparse --volno-file=${VOLNO_FILE}"
+
+# Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
+if [ x != "x${DUMP_REMIND_SCRIPT}" ]; then
+ TAR_PART1="${TAR_PART1} --info-script=${DUMP_REMIND_SCRIPT}"
+fi
# Make sure the log file did not already exist. Create it.
-if [ -f $LOGFILE ] ; then
- echo Log file $LOGFILE already exists.
+if [ -f ${LOGFILE} ] ; then
+ echo Log file ${LOGFILE} already exists.
exit 1
else
- touch $LOGFILE
+ touch ${LOGFILE}
fi
-mt -f $TAPE_FILE rewind
-rm $VOLNO_FILE
+mt -f ${TAPE_FILE} rewind
+rm ${VOLNO_FILE}
-set $BACKUP_DIRS
+set ${BACKUP_DIRS}
while [ $# -ne 0 ] ; do
- host=`echo $1 | sed 's/:.*$//'`
- fs=`echo $1 | sed 's/^.*://'`
+ host=`echo ${1} | sed 's/:.*$//'`
+ fs=`echo ${1} | sed 's/^.*://'`
date=`date`
fsname=`echo $1 | sed 's/\//:/g'`
TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
- TAR_PART3="--label='Full backup of $fs on $host at $date' -C $fs ."
+ TAR_PART3="--label='Full backup of ${fs} on ${host} at ${date}' -C ${fs} ."
- echo Backing up $1 at $date | tee -a $LOGFILE
+ echo Backing up ${1} at ${date} | tee -a ${LOGFILE}
# Actually back things up.
- if [ $HOST != $host ] ; then
+ if [ ${HOST} != ${host} ] ; then
# Removed 2>&1/dev/null cruft since that's incorrect sh syntax.
- rsh $host mkdir /etc/tar-backup > /dev/null 2>&1
- rsh $host rm -f /etc/tar-backup/temp.level-0
- rsh $host $TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3 2>&1 | tee -a $LOGFILE
+ rsh ${host} mkdir /etc/tar-backup > /dev/null 2>&1
+ rsh ${host} rm -f /etc/tar-backup/temp.level-0
+ rsh ${host} ${TAR_PART1} -f ${HOST}:${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} 2>&1 | tee -a ${LOGFILE}
else
mkdir /etc/tar-backup > /dev/null 2>&1
rm -f /etc/tar-backup/temp.level-0
# Using `sh -c exec' causes nested quoting and shell substitution
# to be handled here in the same way rsh handles it.
- sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
+ sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3}" 2>&1 | tee -a ${LOGFILE}
fi
+ # This doesn't presently work, of course, because $? is set to the exit
+ # status of the last thing in the pipeline of the previous command,
+ # namely `tee'. We really want the exit status of the sh command
+ # running tar, but getting this seems to be nontrivial. --friedman
if [ $? -ne 0 ] ; then
- echo Backup of $1 failed. | tee -a $LOGFILE
+ echo Backup of ${1} failed. | tee -a ${LOGFILE}
# I'm assuming that the tar will have written an empty
# file to the tape, otherwise I should do a cat here.
else
- if [ $HOST != $host ] ; then
- rsh $host "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0" 2>&1 | tee -a $LOGFILE
+ if [ ${HOST} != ${host} ] ; then
+ rsh ${host} "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0" 2>&1 | tee -a ${LOGFILE}
else
- mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
+ mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0 2>&1 | tee -a ${LOGFILE}
fi
fi
- $TAPE_STATUS | tee -a $LOGFILE
+ ${TAPE_STATUS} | tee -a ${LOGFILE}
sleep 60
shift
done
# Dump any individual files requested.
-if [ x != "x$BACKUP_FILES" ] ; then
+if [ x != "x${BACKUP_FILES}" ] ; then
date=`date`
TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
- TAR_PART3="--label='Full backup of miscellaneous files at $date'"
+ TAR_PART3="--label='Full backup of miscellaneous files at ${date}'"
mkdir /etc/tar-backup > /dev/null 2>&1
rm -f /etc/tar-backup/temp.level-0
- echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+ echo Backing up miscellaneous files at ${date} | tee -a ${LOGFILE}
# Using `sh -c exec' causes nested quoting and shell substitution
# to be handled here in the same way rsh handles it.
- sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
- $BACKUP_FILES" 2>&1 | tee -a $LOGFILE
+ sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} \
+ ${BACKUP_FILES}" 2>&1 | tee -a ${LOGFILE}
+ # This doesn't presently work, of course, because $? is set to the exit
+ # status of the last thing in the pipeline of the previous command,
+ # namely `tee'. We really want the exit status of the sh command
+ # running tar, but getting this seems to be nontrivial. --friedman
if [ $? -ne 0 ] ; then
- echo Backup of miscellaneous files failed. | tee -a $LOGFILE
+ echo Backup of miscellaneous files failed. | tee -a ${LOGFILE}
# I'm assuming that the tar will have written an empty
# file to the tape, otherwise I should do a cat here.
else
- mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 2>&1 | tee -a $LOGFILE
+ mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 2>&1 | tee -a ${LOGFILE}
fi
- $TAPE_STATUS | tee -a $LOGFILE
+ ${TAPE_STATUS} | tee -a ${LOGFILE}
else
- echo No miscellaneous files specified | tee -a $LOGFILE
+ echo No miscellaneous files specified | tee -a ${LOGFILE}
false
fi
-mt -f $TAPE_FILE rewind
-mt -f $TAPE_FILE offl
+mt -f ${TAPE_FILE} rewind
+mt -f ${TAPE_FILE} offl
-echo Sending the dump log to $ADMINISTRATOR
-cat $LOGFILE | sed -f logfile.sed > $LOGFILE.tmp
-/usr/ucb/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp
-rm -f $LOGFILE.tmp
+echo Sending the dump log to ${ADMINISTRATOR}
+cat ${LOGFILE} | sed -f logfile.sed > ${LOGFILE}.tmp
+/usr/ucb/mail -s "Results of backup on `date`" ${ADMINISTRATOR} < ${LOGFILE}.tmp
+rm -f ${LOGFILE}.tmp
-# This is undesirable -- rms.
-#rsh albert /usr/local/adm/motd-backup-done &
--- /dev/null
+#!/bin/sh
+#
+# Run this script as root on the machine that has the tape drive, to make a
+# level-1 dump containing all files changed since the last full dump.
+#
+# If you give `now' as an argument, the dump is done immediately.
+# Otherwise, it waits until 1am.
+#
+# You must edit the file `backup-specs' to set the parameters for your site.
+
+if [ ! -w / ]; then
+ echo The backup must be run as root,
+ echo or else some files will fail to be dumped.
+ exit 1
+else
+ false
+fi
+
+# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
+. ./backup-specs
+
+# Maybe sleep until around specified or default hour.
+#
+if [ "$1" != "now" ]; then
+ if [ "$1"x != x ]; then
+ spec=$1
+ else
+ spec=$BACKUP_HOUR
+ fi
+ pausetime=`date | awk '{hr=substr($4,1,2);\\
+ mn=substr($4,4,2);\\
+ if((hr+0)<spec+0)\\
+ print 3600*(spec-hr)-60*mn;\\
+ else\\
+ print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
+ clear
+ cat ./dont_touch
+ sleep $pausetime
+fi
+
+# start doing things
+
+here=`pwd`
+LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-level-1
+HOST=`hostname | sed 's/\..*//'`
+TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE" --atime-preserve
+
+# Make sure the log file did not already exist. Create it.
+
+if [ -f $LOGFILE ] ; then
+ echo Log file $LOGFILE already exists.
+ exit 1
+else
+ touch $LOGFILE
+fi
+
+mt -f $TAPE_FILE rewind
+rm $VOLNO_FILE
+
+set $BACKUP_DIRS
+while [ $# -ne 0 ] ; do
+ host=`echo $1 | sed 's/:.*$//'`
+ fs=`echo $1 | sed 's/^.*://'`
+ date=`date`
+ fsname=`echo $1 | sed 's/\//:/g'`
+
+# This filename must be absolute; it is opened on the machine that runs tar.
+ TAR_PART2="--listed=/etc/tar-backup/temp.level-1"
+ TAR_PART3="--label='level 1 backup of $fs on $host at $date' -C $fs ."
+
+ echo Backing up $1 at $date | tee -a $LOGFILE
+ echo Last full dump on this filesystem: | tee -a $LOGFILE
+
+ if [ $HOST != $host ] ; then
+ rsh $host "ls -l /etc/tar-backup/$fsname.level-0; \
+ cp /etc/tar-backup/$fsname.level-0 /etc/tar-backup/temp.level-1" \
+ 2>&1 | tee -a $LOGFILE
+ else
+ ls -l /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
+ cp /etc/tar-backup/$fsname.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+ fi
+
+ # Actually back things up.
+
+ if [ $HOST != $host ] ; then
+ rsh $host $TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3 2>&1 | tee -a $LOGFILE
+ else
+# Using `sh -c exec' causes nested quoting and shell substitution
+# to be handled here in the same way rsh handles it.
+ sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
+ fi
+ if [ $? -ne 0 ] ; then
+ echo Backup of $1 failed. | tee -a $LOGFILE
+ # I'm assuming that the tar will have written an empty
+ # file to the tape, otherwise I should do a cat here.
+ else
+ if [ $HOST != $host ] ; then
+ rsh $host mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/$fsname.level-1 2>&1 | tee -a $LOGFILE
+ else
+ mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/$fsname.level-1 2>&1 | tee -a $LOGFILE
+ fi
+ fi
+ $TAPE_STATUS | tee -a $LOGFILE
+ sleep 60
+ shift
+done
+
+# Dump any individual files requested.
+
+if [ x != "x$BACKUP_FILES" ] ; then
+ date=`date`
+ TAR_PART2="--listed=/etc/tar-backup/temp.level-1"
+ TAR_PART3="--label='Incremental backup of miscellaneous files at $date'"
+
+ echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+ echo Last full dump of these files: | tee -a $LOGFILE
+ ls -l /etc/tar-backup/misc.level-0 2>&1 | tee -a $LOGFILE
+
+ rm -f /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+ cp /etc/tar-backup/misc.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+
+ echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+# Using `sh -c exec' causes nested quoting and shell substitution
+# to be handled here in the same way rsh handles it.
+ sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
+ $BACKUP_FILES" 2>&1 | tee -a $LOGFILE
+ if [ $? -ne 0 ] ; then
+ echo Backup of miscellaneous files failed. | tee -a $LOGFILE
+ # I'm assuming that the tar will have written an empty
+ # file to the tape, otherwise I should do a cat here.
+ else
+ mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/misc.level-1 2>&1 | tee -a $LOGFILE
+ fi
+ $TAPE_STATUS | tee -a $LOGFILE
+else
+ echo No miscellaneous files specified | tee -a $LOGFILE
+ false
+fi
+
+mt -f $TAPE_FILE rewind
+mt -f $TAPE_FILE offl
+
+echo Sending the dump log to $ADMINISTRATOR
+cat $LOGFILE | sed -f logfile.sed > $LOGFILE.tmp
+/usr/ucb/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp
projects / chaz / tar / commitdiff
