From: François Pinard Date: Wed, 16 Nov 1994 02:48:51 +0000 (+0000) Subject: Initial revision X-Git-Url: https://git.dogcows.com/gitweb?a=commitdiff_plain;h=8748e75cfb69166dd4253d390cc5f781d042e34a;p=chaz%2Ftar Initial revision --- diff --git a/scripts/level-1 b/scripts/level-1 index 7d10fbd..2a007c9 100644 --- a/scripts/level-1 +++ b/scripts/level-1 @@ -8,191 +8,139 @@ # # 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=1 - -# 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 [ "${euid}" != 0 ]; then ... -# if [ ! -w / ]; then - echo "The backup must be run as root or else some files will fail to be dumped." + echo The backup must be run as root, + echo or else some files will fail to be dumped. exit 1 +else + false fi -# Get the values of BACKUP_DIRS, BACKUP_FILES, and other variables. +# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables. . ./backup-specs # Maybe sleep until around specified or default hour. -if [ "z${1}" != "znow" ]; 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($4, 4, 2); - if((hr + 0) < (spec + 0)) - print 3600 * (spec - hr) - 60 * mn; - else - print 3600 * (spec + (24 - hr)) - 60 * mn; - }' spec=\"${spec}\"`" - + pausetime=`date | awk '{hr=substr($4,1,2);\\ + mn=substr($4,4,2);\\ + if((hr+0)&2 +if [ -f $LOGFILE ] ; then + echo Log file $LOGFILE already exists. exit 1 else - touch "${LOGFILE}" + touch $LOGFILE fi -# Most everything below here is run in a subshell for which all output is -# piped through `tee' to the logfile. Doing this, instead of having -# multiple pipelines all over the place, is cleaner and allows access to -# the exit value from various commands more easily. -( - # Caveat: Some version of `mt' require `-t', not `-f'. - mt -f "${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-1" - TAR_PART3="--label='level 1 backup of ${fs} on ${remotehost} at ${date}' -C ${fs} ." - - echo "Backing up ${1} at ${date}" - echo "Last full dump on this filesystem:" - - if [ "z${remotehost}" != "z${localhost}" ] ; then - rsh "${remotehost}" "ls -l /etc/tar-backup/${fsname}.level-0; \ - cp /etc/tar-backup/${fsname}.level-0 /etc/tar-backup/temp.level-1" - else - ls -l "/etc/tar-backup/${fsname}.level-0" - cp "/etc/tar-backup/${fsname}.level-0" /etc/tar-backup/temp.level-1 - fi - - # Actually back things up. - - if [ "z${remotehost}" != "z${localhost}" ] ; then - rsh "${remotehost}" ${TAR_PART1} -f "${localhost}:${TAPE_FILE}" ${TAR_PART2} ${TAR_PART3} - 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}" - 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 ${1} failed." - # I'm assuming that the tar will have written an empty - # file to the tape, otherwise I should do a cat here. - else - if [ "z${localhost}" != "z${remotehost}" ] ; then - rsh "${remotehost}" mv -f /etc/tar-backup/temp.level-1 "/etc/tar-backup/${fsname}.level-1" - else - mv -f /etc/tar-backup/temp.level-1 "/etc/tar-backup/${fsname}.level-1" - 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-1" - TAR_PART3="--label='Incremental backup of miscellaneous files at ${date}'" - - echo "Backing up miscellaneous files at ${date}" - echo "Last full dump of these files:" - ls -l /etc/tar-backup/misc.level-0 - - rm -f /etc/tar-backup/temp.level-1 - cp /etc/tar-backup/misc.level-0 /etc/tar-backup/temp.level-1 - - # 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}" - - if [ $? -ne 0 ] ; then - echo "Backup of miscellaneous files 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 - mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/misc.level-1 - fi - ${TAPE_STATUS} - else - echo "No miscellaneous files specified" - fi +mt -f $TAPE_FILE rewind +rm $VOLNO_FILE - # Caveat: some versions of `mt' use `-t' instead of `-f'. - mt -f "${TAPE_FILE}" rewind - mt -f "${TAPE_FILE}" offl +set $BACKUP_DIRS +while [ $# -ne 0 ] ; do + host=`echo $1 | sed 's/:.*$//'` + fs=`echo $1 | sed 's/^.*://'` + date=`date` + fsname=`echo $1 | sed 's/\//:/g'` -) 2>&1 | tee -a "${LOGFILE}" +# 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 -echo "Sending the dump log to ${ADMINISTRATOR}" -mail -s "Results of backup started ${startdate}" ${ADMINISTRATOR} < "${LOGFILE}" +mt -f $TAPE_FILE rewind +mt -f $TAPE_FILE offl -# eof +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