From: François Pinard Date: Wed, 16 Nov 1994 02:48:37 +0000 (+0000) Subject: *** empty log message *** X-Git-Url: https://git.dogcows.com/gitweb?a=commitdiff_plain;h=f508e152fa21b0ae4b4864f2bd5d701be569cda2;p=chaz%2Ftar *** empty log message *** --- diff --git a/scripts/level-0 b/scripts/level-0 index 25571d4..86d3294 100644 --- a/scripts/level-0 +++ b/scripts/level-0 @@ -1,7 +1,7 @@ #!/bin/sh # # Run this script as root on the machine that has the tape drive, to make a -# full dump. +# full (level-0) dump. # # If you give `now' as an argument, the dump is done immediately. # Otherwise, it waits until 1am, or until the hour given as argument. @@ -9,143 +9,188 @@ # # You must edit the file `backup-specs' to set the parameters for your site. +# Useful for backup-specs, in case things have to be done slightly +# differently for different dump levels. +DUMP_LEVEL=0 + +# Insure `mail' is in PATH. +PATH="/usr/ucb:${PATH}" +export PATH + +# This is not the most reliable test in the world. The following might be +# more predictable: +# +# whoami="`whoami`" +# euid="`sed -ne '/^'\"${whoami}\"':/{s/^[^:]*:[^:]*://;s/:.*//p;q;}' /etc/passwd`" +# if [ "${euid}" != 0 ]; then ... +# if [ ! -w / ]; then - echo The backup must be run as root or else some files will fail to be dumped. + echo "The backup must be run as root or else some files will fail to be dumped." exit 1 -else - false fi -# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables. +# Get the values of BACKUP_DIRS, BACKUP_FILES, and other variables. . ./backup-specs # Maybe sleep until around specified or default hour. -# if [ "${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` + + 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 ${pausetime} + echo "${SLEEP_MESSAGE}" + sleep "${pausetime}" fi # start doing things -here=`pwd` -LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-full -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-level-0'' +# i.e. year-month-date. This format is useful for sorting by name, since +# logfiles are intentionally kept online for future reference. +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] "-" $3; + }'`-level-${DUMP_LEVEL} + +localhost="`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${DUMP_REMIND_SCRIPT}" ]; then - TAR_PART1="${TAR_PART1} --info-script=${DUMP_REMIND_SCRIPT}" +if [ "x${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." 1>&2 exit 1 else - touch ${LOGFILE} + touch "${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'` - - TAR_PART2="--listed=/etc/tar-backup/temp.level-0" - TAR_PART3="--label='Full backup of ${fs} on ${host} at ${date}' -C ${fs} ." - - echo Backing up ${1} at ${date} | tee -a ${LOGFILE} - - # Actually back things up. - - 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} - 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} - 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 ${LOGFILE} +# Most everything below here is run in a subshell for which all output is +# piped through `tee' to the logfile. Doing this, instead of having +# multiple pipelines all over the place, is cleaner and allows access to +# the exit value from various commands more easily. +( + # Caveat: Some version of `mt' require `-t', not `-f'. + mt -f "${TAPE_FILE}" rewind + rm -f "${VOLNO_FILE}" + + set - "${BACKUP_DIRS}" + while [ $# -ne 0 ] ; do + date="`date`" + remotehost="`echo \"${1}\" | sed -e 's/:.*$//'`" + fs="`echo \"${1}\" | sed -e 's/^.*://'`" + fsname="`echo \"${1}\" | sed -e 's/\//:/g'`" + + # This filename must be absolute; it is opened on the machine that runs tar. + TAR_PART2="--listed=/etc/tar-backup/temp.level-0" + TAR_PART3="--label='Full backup of ${fs} on ${remotehost} at ${date}' -C ${fs} ." + + echo "Backing up ${1} at ${date}" + + # Actually back things up. + + if [ "z${localhost}" != "z${remotehost}" ] ; then + rsh "${remotehost}" mkdir /etc/tar-backup > /dev/null 2>&1 + rsh "${remotehost}" rm -f /etc/tar-backup/temp.level-0 + rsh "${remotehost}" ${TAR_PART1} -f "${localhost}:${TAPE_FILE}" ${TAR_PART2} ${TAR_PART3} + 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}" + fi + + # `rsh' doesn't exit with the exit status of the remote command. What + # stupid lossage. TODO: think of a reliable workaround. + if [ $? -ne 0 ] ; then + echo "Backup of ${1} failed." 1>&2 + # I'm assuming that the tar will have written an empty + # file to the tape, otherwise I should do a cat here. + else + if [ "z${localhost}" != "z${remotehost}" ] ; then + rsh "${remotehost}" mv -f /etc/tar-backup/temp.level-0 "/etc/tar-backup/${fsname}.level-0" + else + mv -f /etc/tar-backup/temp.level-0 "/etc/tar-backup/${fsname}.level-0" + fi + fi + ${TAPE_STATUS} + sleep 60 + shift + done + + # Dump any individual files requested. + + if [ "x${BACKUP_FILES}" != "x" ] ; then + date="`date`" + + TAR_PART2="--listed=/etc/tar-backup/temp.level-0" + 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}" + + # 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}" + + # `rsh' doesn't exit with the exit status of the remote command. What + # lossage. TODO: think of a reliable workaround. + if [ $? -ne 0 ] ; then + echo "Backup of miscellaneous files failed." # 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 ${LOGFILE} - else - mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0 2>&1 | tee -a ${LOGFILE} - fi - fi - ${TAPE_STATUS} | tee -a ${LOGFILE} - sleep 60 - shift -done - -# Dump any individual files requested. - -if [ x != "x${BACKUP_FILES}" ] ; then - date=`date` - - TAR_PART2="--listed=/etc/tar-backup/temp.level-0" - 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} -# 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} - # 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} - fi - ${TAPE_STATUS} | tee -a ${LOGFILE} -else - echo No miscellaneous files specified | tee -a ${LOGFILE} - false -fi + else + mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 + fi + ${TAPE_STATUS} + else + echo "No miscellaneous files specified" + fi + + # Caveat: some versions of `mt' use `-t' instead of `-f'. + mt -f "${TAPE_FILE}" rewind + mt -f "${TAPE_FILE}" offl -mt -f ${TAPE_FILE} rewind -mt -f ${TAPE_FILE} offl +) 2>&1 | tee -a "${LOGFILE}" -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 diff --git a/scripts/level-1 b/scripts/level-1 index 60dd0cd..7bada1d 100644 --- a/scripts/level-1 +++ b/scripts/level-1 @@ -43,7 +43,7 @@ fi 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=$VOLNO_FILE" --atime-preserve +TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE --atime-preserve" # Make sure the log file did not already exist. Create it.