*** empty log message ***
This commit is contained in:
François Pinard
247
scripts/level-0
247
scripts/level-0
@@ -1,7 +1,7 @@
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#!/bin/sh
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#
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# Run this script as root on the machine that has the tape drive, to make a
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# full dump.
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# full (level-0) dump.
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#
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# If you give `now' as an argument, the dump is done immediately.
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# Otherwise, it waits until 1am, or until the hour given as argument.
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@@ -9,143 +9,188 @@
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#
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# You must edit the file `backup-specs' to set the parameters for your site.
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# Useful for backup-specs, in case things have to be done slightly
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# differently for different dump levels.
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DUMP_LEVEL=0
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# Insure `mail' is in PATH.
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PATH="/usr/ucb:${PATH}"
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export PATH
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# This is not the most reliable test in the world. The following might be
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# more predictable:
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#
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# whoami="`whoami`"
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# euid="`sed -ne '/^'\"${whoami}\"':/{s/^[^:]*:[^:]*://;s/:.*//p;q;}' /etc/passwd`"
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# if [ "${euid}" != 0 ]; then ...
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#
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if [ ! -w / ]; then
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echo The backup must be run as root or else some files will fail to be dumped.
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echo "The backup must be run as root or else some files will fail to be dumped."
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exit 1
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else
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false
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fi
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# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
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# Get the values of BACKUP_DIRS, BACKUP_FILES, and other variables.
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. ./backup-specs
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# Maybe sleep until around specified or default hour.
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#
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if [ "${1}" != "now" ]; then
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if [ "${1}x" != "x" ]; then
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spec="${1}"
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else
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spec="${BACKUP_HOUR}"
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fi
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pausetime=`date | awk '{hr=substr($4,1,2);\\
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mn=substr($4,4,2);\\
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if((hr+0)<(spec+0))\\
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print 3600*(spec-hr)-60*mn;\\
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else\\
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print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
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pausetime="`date | awk '
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{
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hr = substr($4, 1, 2);
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mn = substr($4, 4, 2);
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if((hr + 0) < (spec + 0))
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print 3600 * (spec - hr) - 60 * mn;
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else
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print 3600 * (spec + (24 - hr)) - 60 * mn;
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}' spec=\"${spec}\"`"
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clear
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cat ./dont_touch
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sleep ${pausetime}
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echo "${SLEEP_MESSAGE}"
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sleep "${pausetime}"
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fi
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# start doing things
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here=`pwd`
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LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-full
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HOST=`hostname | sed 's/\..*//'`
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# Put startdate in the subject line of mailed report, since if it happens
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# to run longer than 24 hours (as may be the case if someone forgets to put
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# in the next volume of the tape in adequate time), the backup date won't
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# appear too misleading.
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startdate="`date`"
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here="`pwd`"
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# Logfile name should be in the form ``log-1993-03-18-level-0''
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# i.e. year-month-date. This format is useful for sorting by name, since
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# logfiles are intentionally kept online for future reference.
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LOGFILE=log-`date | awk '
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BEGIN {
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d["Jan"] = "01"; d["Feb"] = "02"; d["Mar"] = "03";
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d["Apr"] = "04"; d["May"] = "05"; d["Jun"] = "06";
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d["Jul"] = "07"; d["Aug"] = "08"; d["Sep"] = "09";
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d["Oct"] = "10"; d["Nov"] = "11"; d["Dec"] = "12";
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}
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{
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if ($3 < 10)
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$3 = "0" $3;
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print $6 "-" d[$2] "-" $3;
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}'`-level-${DUMP_LEVEL}
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localhost="`hostname | sed -e 's/\..*//'`"
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TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=${BLOCKING} --sparse --volno-file=${VOLNO_FILE}"
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# Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
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if [ x != "x${DUMP_REMIND_SCRIPT}" ]; then
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TAR_PART1="${TAR_PART1} --info-script=${DUMP_REMIND_SCRIPT}"
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if [ "x${DUMP_REMIND_SCRIPT}" != "x" ]; then
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TAR_PART1="${TAR_PART1} --info-script='${DUMP_REMIND_SCRIPT}'"
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fi
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# Make sure the log file did not already exist. Create it.
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if [ -f ${LOGFILE} ] ; then
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echo Log file ${LOGFILE} already exists.
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if [ -f "${LOGFILE}" ] ; then
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echo "Log file ${LOGFILE} already exists." 1>&2
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exit 1
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else
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touch ${LOGFILE}
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touch "${LOGFILE}"
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fi
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mt -f ${TAPE_FILE} rewind
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rm ${VOLNO_FILE}
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# Most everything below here is run in a subshell for which all output is
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# piped through `tee' to the logfile. Doing this, instead of having
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# multiple pipelines all over the place, is cleaner and allows access to
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# the exit value from various commands more easily.
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(
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# Caveat: Some version of `mt' require `-t', not `-f'.
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mt -f "${TAPE_FILE}" rewind
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rm -f "${VOLNO_FILE}"
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set ${BACKUP_DIRS}
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while [ $# -ne 0 ] ; do
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host=`echo ${1} | sed 's/:.*$//'`
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fs=`echo ${1} | sed 's/^.*://'`
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date=`date`
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fsname=`echo $1 | sed 's/\//:/g'`
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set - "${BACKUP_DIRS}"
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while [ $# -ne 0 ] ; do
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date="`date`"
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remotehost="`echo \"${1}\" | sed -e 's/:.*$//'`"
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fs="`echo \"${1}\" | sed -e 's/^.*://'`"
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fsname="`echo \"${1}\" | sed -e 's/\//:/g'`"
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TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
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TAR_PART3="--label='Full backup of ${fs} on ${host} at ${date}' -C ${fs} ."
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# This filename must be absolute; it is opened on the machine that runs tar.
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TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
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TAR_PART3="--label='Full backup of ${fs} on ${remotehost} at ${date}' -C ${fs} ."
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echo Backing up ${1} at ${date} | tee -a ${LOGFILE}
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echo "Backing up ${1} at ${date}"
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# Actually back things up.
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# Actually back things up.
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if [ ${HOST} != ${host} ] ; then
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# Removed 2>&1/dev/null cruft since that's incorrect sh syntax.
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rsh ${host} mkdir /etc/tar-backup > /dev/null 2>&1
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rsh ${host} rm -f /etc/tar-backup/temp.level-0
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rsh ${host} ${TAR_PART1} -f ${HOST}:${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} 2>&1 | tee -a ${LOGFILE}
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else
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mkdir /etc/tar-backup > /dev/null 2>&1
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rm -f /etc/tar-backup/temp.level-0
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# Using `sh -c exec' causes nested quoting and shell substitution
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# to be handled here in the same way rsh handles it.
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sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3}" 2>&1 | tee -a ${LOGFILE}
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fi
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# This doesn't presently work, of course, because $? is set to the exit
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# status of the last thing in the pipeline of the previous command,
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# namely `tee'. We really want the exit status of the sh command
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# running tar, but getting this seems to be nontrivial. --friedman
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if [ $? -ne 0 ] ; then
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echo Backup of ${1} failed. | tee -a ${LOGFILE}
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if [ "z${localhost}" != "z${remotehost}" ] ; then
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rsh "${remotehost}" mkdir /etc/tar-backup > /dev/null 2>&1
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rsh "${remotehost}" rm -f /etc/tar-backup/temp.level-0
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rsh "${remotehost}" ${TAR_PART1} -f "${localhost}:${TAPE_FILE}" ${TAR_PART2} ${TAR_PART3}
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else
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mkdir /etc/tar-backup > /dev/null 2>&1
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rm -f /etc/tar-backup/temp.level-0
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# Using `sh -c exec' causes nested quoting and shell substitution
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# to be handled here in the same way rsh handles it.
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sh -c "exec ${TAR_PART1} -f \"${TAPE_FILE}\" ${TAR_PART2} ${TAR_PART3}"
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fi
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# `rsh' doesn't exit with the exit status of the remote command. What
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# stupid lossage. TODO: think of a reliable workaround.
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if [ $? -ne 0 ] ; then
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echo "Backup of ${1} failed." 1>&2
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# I'm assuming that the tar will have written an empty
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# file to the tape, otherwise I should do a cat here.
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else
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if [ "z${localhost}" != "z${remotehost}" ] ; then
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rsh "${remotehost}" mv -f /etc/tar-backup/temp.level-0 "/etc/tar-backup/${fsname}.level-0"
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else
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mv -f /etc/tar-backup/temp.level-0 "/etc/tar-backup/${fsname}.level-0"
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fi
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fi
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${TAPE_STATUS}
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sleep 60
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shift
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done
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# Dump any individual files requested.
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if [ "x${BACKUP_FILES}" != "x" ] ; then
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date="`date`"
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TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
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TAR_PART3="--label='Full backup of miscellaneous files at ${date}'"
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mkdir /etc/tar-backup > /dev/null 2>&1
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rm -f /etc/tar-backup/temp.level-0
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echo "Backing up miscellaneous files at ${date}"
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# Using `sh -c exec' causes nested quoting and shell substitution
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# to be handled here in the same way rsh handles it.
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sh -c "exec ${TAR_PART1} -f \"${TAPE_FILE}\" ${TAR_PART2} ${TAR_PART3} ${BACKUP_FILES}"
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# `rsh' doesn't exit with the exit status of the remote command. What
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# lossage. TODO: think of a reliable workaround.
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if [ $? -ne 0 ] ; then
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echo "Backup of miscellaneous files failed."
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# I'm assuming that the tar will have written an empty
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# file to the tape, otherwise I should do a cat here.
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else
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if [ ${HOST} != ${host} ] ; then
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rsh ${host} "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0" 2>&1 | tee -a ${LOGFILE}
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else
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mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0 2>&1 | tee -a ${LOGFILE}
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fi
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fi
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${TAPE_STATUS} | tee -a ${LOGFILE}
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sleep 60
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shift
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done
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else
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mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0
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fi
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${TAPE_STATUS}
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else
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echo "No miscellaneous files specified"
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fi
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# Dump any individual files requested.
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# Caveat: some versions of `mt' use `-t' instead of `-f'.
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mt -f "${TAPE_FILE}" rewind
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mt -f "${TAPE_FILE}" offl
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if [ x != "x${BACKUP_FILES}" ] ; then
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date=`date`
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) 2>&1 | tee -a "${LOGFILE}"
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TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
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TAR_PART3="--label='Full backup of miscellaneous files at ${date}'"
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mkdir /etc/tar-backup > /dev/null 2>&1
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rm -f /etc/tar-backup/temp.level-0
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echo Backing up miscellaneous files at ${date} | tee -a ${LOGFILE}
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# Using `sh -c exec' causes nested quoting and shell substitution
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# to be handled here in the same way rsh handles it.
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sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} \
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${BACKUP_FILES}" 2>&1 | tee -a ${LOGFILE}
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# This doesn't presently work, of course, because $? is set to the exit
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# status of the last thing in the pipeline of the previous command,
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# namely `tee'. We really want the exit status of the sh command
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# running tar, but getting this seems to be nontrivial. --friedman
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if [ $? -ne 0 ] ; then
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echo Backup of miscellaneous files failed. | tee -a ${LOGFILE}
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# I'm assuming that the tar will have written an empty
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# file to the tape, otherwise I should do a cat here.
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else
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mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 2>&1 | tee -a ${LOGFILE}
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fi
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${TAPE_STATUS} | tee -a ${LOGFILE}
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else
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echo No miscellaneous files specified | tee -a ${LOGFILE}
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false
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fi
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mt -f ${TAPE_FILE} rewind
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mt -f ${TAPE_FILE} offl
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echo Sending the dump log to ${ADMINISTRATOR}
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cat ${LOGFILE} | sed -f logfile.sed > ${LOGFILE}.tmp
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/usr/ucb/mail -s "Results of backup on `date`" ${ADMINISTRATOR} < ${LOGFILE}.tmp
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rm -f ${LOGFILE}.tmp
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echo "Sending the dump log to ${ADMINISTRATOR}"
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mail -s "Results of backup started ${startdate}" ${ADMINISTRATOR} < "${LOGFILE}"
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# eof
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@@ -43,7 +43,7 @@ fi
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here=`pwd`
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LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-level-1
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HOST=`hostname | sed 's/\..*//'`
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TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE" --atime-preserve
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TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE --atime-preserve"
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# Make sure the log file did not already exist. Create it.
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