#
# You must edit the file `backup-specs' to set the parameters for your site.
+# Insure `mail' is in PATH.
+PATH="/usr/ucb:${PATH}"
+export PATH
+
if [ ! -w / ]; then
- echo The backup must be run as root,
- echo or else some files will fail to be dumped.
+ echo "The backup must be run as root or else some files will fail to be dumped."
exit 1
-else
- false
fi
# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
# Maybe sleep until around specified or default hour.
#
if [ "${1}" != "now" ]; then
- if [ "${1}"x != x ]; then
- spec=${1}
+ 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($4,4,2);\\
- if((hr+0)<spec+0)\\
- print 3600*(spec-hr)-60*mn;\\
- else\\
- print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
+
+ 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 ${pausetime}
+
+ # Put your favorite message here. We just want a screenful of obnoxious
+ # caps warning people from messing with the dedicated terminal.
+ awk 'BEGIN {
+ for (i = 0; i < 30; i++)
+ print " D O N O T T O U C H T H I S T E R M I N A L !!!!!"
+ }' /dev/null
+
+ sleep "${pausetime}"
fi
# start doing things
-here=`pwd`
-LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-level-1
-HOST=`hostname | sed 's/\..*//'`
+# Put startdate in the subject line of mailed report, since if it happens
+# to run longer than 24 hours (as may be the case if someone forgets to put
+# in the next volume of the tape in adequate time), the backup date won't
+# appear too misleading.
+startdate="`date`"
+
+here="`pwd`"
+
+# Logfile name should be in the form ``log-1993-03-18-full''
+# i.e. year-month-date. This format is useful for sorting by name.
+LOGFILE=log-`date | awk '
+ BEGIN {
+ d["Jan"] = "01"; d["Feb"] = "02"; d["Mar"] = "03";
+ d["Apr"] = "04"; d["May"] = "05"; d["Jun"] = "06";
+ d["Jul"] = "07"; d["Aug"] = "08"; d["Sep"] = "09";
+ d["Oct"] = "10"; d["Nov"] = "11"; d["Dec"] = "12";
+ }
+ {
+ if ($3 < 10)
+ $3 = "0" $3;
+ print $6 "-" d[$2] "-" $3;
+ }'`-level-1
+
+HOST="`hostname | sed -e 's/\..*//'`"
+
TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=${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
+if [ "x${DUMP_REMIND_SCRIPT}" != "x" ]; then
TAR_PART1="${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 ${VOLNO_FILE}
+# Caveat: Some version of `mt' require `-t', not `-f'.
+mt -f "${TAPE_FILE}" rewind
+rm -f "${VOLNO_FILE}"
-set ${BACKUP_DIRS}
+set - "${BACKUP_DIRS}"
while [ $# -ne 0 ] ; do
- host=`echo ${1} | sed 's/:.*$//'`
- fs=`echo ${1} | sed 's/^.*://'`
- date=`date`
- fsname=`echo ${1} | sed 's/\//:/g'`
+ host="`echo \"${1}\" | sed -e 's/:.*$//'`"
+ fs="`echo \"${1}\" | sed -e 's/^.*://'`"
+ date="`date`"
+ fsname="`echo \"${1}\" | sed -e 's/\//:/g'`"
-# This filename must be absolute; it is opened on the machine that runs tar.
+ # 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}
+ 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 ${LOGFILE}
+ if [ "z${host}" != "z${HOST}" ] ; then
+ rsh "${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}
# Actually back things up.
- if [ ${HOST} != ${host} ] ; then
- rsh ${host} ${TAR_PART1} -f ${HOST}:${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} 2>&1 | tee -a ${LOGFILE}
+ if [ "z${host}" != "z${HOST}" ] ; then
+ rsh "${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}
+ # 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
+
# 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 ${host} mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/${fsname}.level-1 2>&1 | tee -a ${LOGFILE}
+ 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 ${LOGFILE}
+ mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/${fsname}.level-1 2>&1 \
+ | tee -a ${LOGFILE}
fi
fi
- ${TAPE_STATUS} | tee -a ${LOGFILE}
+ ${TAPE_STATUS} | tee -a "${LOGFILE}"
sleep 60
shift
done
# Dump any individual files requested.
-if [ x != "x${BACKUP_FILES}" ] ; then
- date=`date`
+if [ "x${BACKUP_FILES}" != "x" ] ; 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}
+ 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}"
- 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}
+ # 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}"
- 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}
# 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-1 /etc/tar-backup/misc.level-1 2>&1 | tee -a ${LOGFILE}
+ mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/misc.level-1 2>&1 | tee -a "${LOGFILE}"
fi
- ${TAPE_STATUS} | tee -a ${LOGFILE}
+ ${TAPE_STATUS} | tee -a "${LOGFILE}"
else
- echo No miscellaneous files specified | tee -a ${LOGFILE}
- false
+ echo "No miscellaneous files specified" | tee -a "${LOGFILE}"
fi
-mt -f ${TAPE_FILE} rewind
-mt -f ${TAPE_FILE} offl
+# Caveat: some versions of `mt' use `-t' instead of `-f'.
+mt -f "${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}"
+mail -s "Results of backup started ${startdate}" ${ADMINISTRATOR} < "${LOGFILE}"
+# eof
projects / chaz / tar / blobdiff