Added to the repository
This commit is contained in:
Sergey Poznyakoff
256
scripts/backup.in
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256
scripts/backup.in
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@@ -0,0 +1,256 @@
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#! /bin/sh
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# This program is part of GNU tar
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# Copyright 2004, Free Software Foundation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
|
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# the Free Software Foundation; either version 1, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# Load library routines
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SYSCONFDIR=${SYSCONFDIR-@sysconfdir@}
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. ${LIBPATH-@libexecdir@}/backup.sh
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now() {
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#IF_DATE_FORMAT_OK
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date +%Y-%m-%d
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#ELSE_DATE_FORMAT_OK
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LC_ALL=C date | \
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sed 's/[^ ]* *\([^ ]*\) *\([^ ]*\).* \([^ ]*\)$/\3-\1-\2/
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/-[0-9]$/s/\([0-9]\)$/0\1/
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/Jan/{s/Jan/01/p;q;}
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/Feb/{s/Feb/02/p;q;}
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/Mar/{s/Mar/03/p;q;}
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/Apr/{s/Apr/04/p;q;}
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/May/{s/May/05/p;q;}
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/Jun/{s/Jun/06/p;q;}
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/Jul/{s/Jul/07/p;q;}
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/Aug/{s/Aug/08/p;q;}
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/Sep/{s/Sep/09/p;q;}
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/Oct/{s/Oct/10/p;q;}
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/Nov/{s/Nov/11/p;q;}
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/Dec/{s/Dec/12/p;q;}'
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#ENDIF_DATE_FORMAT_OK
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}
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DUMP_LEVEL=0
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TIME=
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usage() {
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cat - <<EOF
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usage: $PROGNAME [OPTIONS] [WHEN]
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Options are:
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-l, --level LEVEL Do backup level LEVEL (default $DUMP_LEVEL).
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-f, --force Force backup even if today's log file already
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exists.
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-v, --verbose LEVEL Set verbosity level.
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-t, --time TIME Wait till TIME, then do backup.
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Informational options:
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-h, --help Display this help message.
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-l, --license Display program license.
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-V, --version Display program version.
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Optional argumen WHEN is for backward compatibility only. It has been
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superseded by --time option.
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TIME argument can be one of:
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now -- do backup immediately.
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HH -- do backup at HH hours.
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HH:MM -- do backup at HH:MM.
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Send bug reports to @PACKAGE_BUGREPORT@.
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EOF
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}
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# For compatibility with previous versions, deduce the backup level
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# from the command name
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case "$PROGNAME" in
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level-[0-9]) DUMP_LEVEL=`expr $PROGNAME : 'level-\([0-9][0-9]*\)'`;;
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esac
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while [ $# -ne 0 ];
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do
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case $1 in
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-l|--l|--le|--lev|--leve|--level)
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shift
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DUMP_LEVEL=$1
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;;
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-v|--verb|--verbo|--verbos|--verbose)
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shift
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VERBOSE=$1
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;;
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-V|--v|--ve|--ver|--vers|--versi|--versio|--version)
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echo "backup; @PACKAGE@ (@VERSION@)"
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exit 0;;
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-L|--li|--lic|--lice|--licen|--licens|--license)
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license
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exit;;
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-t|--ti|--tim|--time)
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shift
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TIME=$1
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;;
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-f|--f|--fo|--for|--forc|--force)
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FORCE=yes
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;;
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-h|--h|--he|--hel|--help)
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usage
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exit;;
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*) if [ "x$TIME" != "x" ]; then
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bailout "Extra argument. Try $PROGNAME --help for more info."
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else
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TIME=$1
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fi;;
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esac
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shift
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done
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if [ "x$TIME" = x ]; then
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bailout "No backup time specified. Try $PROGNAME --help for more info."
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exit 1
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fi
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init_backup
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# Maybe sleep until around specified or default hour.
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wait_time $TIME
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if [ $DUMP_LEVEL -ne 0 ]; then
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PREV_LEVEL=`expr $DUMP_LEVEL - 1`
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PREV_DATE=`ls -t ${LOGPATH}/log-*-level-$PREV_LEVEL|
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head -1|
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sed "s,${LOGPATH}/log-\(.*\)-level.*,\1,"`
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if [ "x$PREV_DATE" = x ]; then
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bailout "Can't determine date of the previous backup"
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fi
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message 0 "Backup from $PREV_DATE to $NOW"
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fi
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# start doing things
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# Make sure the log file did not already exist. Create it.
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if [ "x$FORCE" = "xyes" ]; then
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rm ${LOGFILE}
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fi
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if [ -f "${LOGFILE}" ] ; then
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bailout "Log file ${LOGFILE} already exists."
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else
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touch "${LOGFILE}"
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fi
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message 1 "Ready for backup."
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message 10 "TAR invocation: $TAR_PART1"
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message 20 "Variables:"
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message 20 "BACKUP_DIRS=$BACKUP_DIRS"
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message 20 "BACKUP_FILES=$BACKUP_FILES"
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# The buch of commands below is run in a subshell for which all output is
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# piped through `tee' to the logfile. Doing this, instead of having
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# multiple pipelines all over the place, is cleaner and allows access to
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# the exit value from various commands more easily.
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(
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message 1 "preparing tapes"
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$MT_BEGIN "${TAPE_FILE}"
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rm -f "${VOLNO_FILE}"
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message 1 "processing backup directories"
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set - ${BACKUP_DIRS}
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while [ $# -ne 0 ] ; do
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date="`date`"
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fs="`echo \"${1}\" | sed -e 's/^.*://'`"
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fsname="`echo \"${1}\" | sed -e 's/\//:/g'`"
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remotehost="`expr \"${1}\" : '\([^/][^/]*\):.*'`"
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if [ -z "$remotehost" ]; then
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remotehost=$localhost
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fi
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echo "Backing up ${1} at ${date}"
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message 10 "fs=$fs"
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message 10 "fsname=$fsname"
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message 10 "remotehost=$remotehost"
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if [ $DUMP_LEVEL -eq 0 ]; then
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make_level_log ${remotehost}
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else
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LF=`level_log_name ${fsname} 0`
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pdate=`remote_run "${remotehost}" ls -l $LF | awk '{
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printf("%s", $6)
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for (i=7;i<NF;i++)
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printf(" %s", $i)
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print "" }'`
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echo "Last `prev_level` dump on this filesystem was on $pdate"
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remote_run "${remotehost}" cp $LF "`level_log_name temp`"
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fi
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backup_host ${remotehost} \
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"--listed=`level_log_name temp`" \
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"--label='`print_level` backup of ${fs} on ${remotehost} at ${date}'" \
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-C ${fs} .
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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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flush_level_log ${remotehost} ${fsname}
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fi
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${MT_STATUS}
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echo "sleeping ${SLEEP_TIME} seconds"
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sleep ${SLEEP_TIME}
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shift
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done
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# Dump any individual files requested.
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if [ "x${BACKUP_FILES}" != "x" ] ; then
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message 1 "processing individual files"
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date="`date`"
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make_level_log $localhost
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echo "Backing up miscellaneous files at ${date}"
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backup_host $localhost \
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"--listed=`level_log_name temp`"\
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"--label='`print_level` backup of miscellaneous files at ${date}'" \
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${BACKUP_FILES}
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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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flush_level_log $localhost
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fi
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${MT_STATUS}
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else
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echo "No miscellaneous files specified"
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fi
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message 1 "final cleanup"
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$MT_REWIND "${TAPE_FILE}"
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$MT_OFFLINE "${TAPE_FILE}"
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) 2>&1 | tee -a "${LOGFILE}"
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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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291
scripts/backup.sh
Normal file
291
scripts/backup.sh
Normal file
@@ -0,0 +1,291 @@
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#! /bin/sh
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# This program is part of GNU tar
|
||||
# Copyright 2004, Free Software Foundation
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 1, or (at your option)
|
||||
# any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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PROGNAME=`basename $0`
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CONFIGPATH="$SYSCONFDIR/backup"
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REMOTEBACKUPDIR="$SYSCONFDIR/tar-backup"
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CONFIGFILE=${CONFIGPATH}/backup-specs
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DIRLIST=${CONFIGPATH}/dirs
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FILELIST=${CONFIGPATH}/files
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LOGPATH=${CONFIGPATH}/log
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LIBPATH=/usr/libexec/backup
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# Default functions for running various magnetic tape commands
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mt_begin() {
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mt -f "$1" retension
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}
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mt_rewind() {
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mt -f "$1" rewind
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}
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mt_offline() {
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mt -f "$1" offl
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}
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mt_status() {
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mt -f "$1" status
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}
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# The main configuration file may override any of these variables
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MT_BEGIN=mt_begin
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MT_REWIND=mt_rewind
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MT_OFFLINE=mt_offl
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MT_STATUS=mt_status
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# Insure `mail' is in PATH.
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PATH="/usr/ucb:${PATH}"
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export PATH
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# 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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# Save local hostname
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localhost="`hostname | sed -e 's/\..*//' | tr A-Z a-z`"
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# Produce a diagnostic output
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message() {
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if [ "$VERBOSE" != "" ]; then
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if [ $VERBOSE -ge $1 ]; then
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shift
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echo "$@"
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||||
fi
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fi
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}
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# Bail out and exit.
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bailout() {
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echo "$PROGNAME: $*" >&2
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exit 1
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}
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# Bail out if we don't have root privileges.
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test_root() {
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if [ ! -w / ]; then
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bailout "The backup must be run as root or else some files will fail to be dumped."
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fi
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}
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advice() {
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echo "Directory $1 is not found." >&2
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cat >&2 <<EOF
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The following directories and files are needed for the backup to function:
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1. Directory with configuration files and file lists:
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$CONFIGPATH
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2. Directory for backup log files
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$LOGPATH
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3. Main configuration file
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$CONFIGFILE
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Please, create these and invoke the script again.
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EOF
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}
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init_backup() {
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# Check if the necessary directories exist
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if [ ! -d $CONFIGPATH ]; then
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advice $CONFIGPATH
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exit 1
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fi
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||||
if [ ! -d $LOGPATH ]; then
|
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if mkdir $LOGPATH; then
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:
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else
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advice $LOGPATH
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exit 1
|
||||
fi
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fi
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# Get the values of BACKUP_DIRS, BACKUP_FILES, and other variables.
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if [ ! -r $CONFIGFILE ]; then
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echo "$PROGNAME: cannot read $CONFIGFILE. Stop." >&2
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exit 1
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||||
fi
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||||
. $CONFIGFILE
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# Environment sanity check
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||||
|
||||
test_root
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||||
|
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if [ x"${ADMINISTRATOR}" = x ]; then
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||||
bailout "ADMINISTRATOR not defined"
|
||||
fi
|
||||
|
||||
[ x"$TAR" = x ] && TAR=tar
|
||||
[ x"$SLEEP_TIME" = x ] && SLEEP_TIME=60
|
||||
|
||||
if [ x$VOLNO_FILE = x ]; then
|
||||
bailout "VOLNO_FILE not specified"
|
||||
fi
|
||||
|
||||
if [ -r $DIRLIST ]; then
|
||||
BACKUP_DIRS="$BACKUP_DIRS `cat $DIRLIST`"
|
||||
fi
|
||||
if [ -r $FILELIST ]; then
|
||||
BACKUP_FILES="$BACKUP_FILES `cat $FILELIST`"
|
||||
fi
|
||||
|
||||
if [ \( x"$BACKUP_DIRS" = x \) -a \( x"$BACKUP_FILES" = x \) ]; then
|
||||
bailout "Neither BACKUP_DIRS nor BACKUP_FILES specified"
|
||||
fi
|
||||
|
||||
TAR_PART1="${TAR} -c --format=gnu --multi-volume --one-file-system --sparse --volno-file=${VOLNO_FILE}"
|
||||
if [ "x$XLIST" != x ]; then
|
||||
TAR_PART1="${TAR_PART1} \`test -r $REMOTEBACKUPDIR/$XLIST && echo \"--exclude-from $REMOTEBACKUPDIR/$XLIST\"\`"
|
||||
fi
|
||||
if [ "$RSH_COMMAND" != "" ]; then
|
||||
TAR_PART1="${TAR_PART1} --rsh-command=$RSH_COMMAND"
|
||||
fi
|
||||
if [ "$RSH" = "" ]; then
|
||||
RSH=rsh
|
||||
fi
|
||||
if [ x$BLOCKING != x ]; then
|
||||
TAR_PART1="${TAR_PART1} --blocking=${BLOCKING}"
|
||||
fi
|
||||
|
||||
# Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
|
||||
if [ "x${DUMP_REMIND_SCRIPT}" != "x" ]; then
|
||||
TAR_PART1="${TAR_PART1} --info-script='${DUMP_REMIND_SCRIPT}'"
|
||||
fi
|
||||
# Set logfile name
|
||||
# Logfile name should be in the form ``log-1993-03-18-level-0''
|
||||
# They go in the directory `@sysconfdir@/log'.
|
||||
# i.e. year-month-date. This format is useful for sorting by name, since
|
||||
# logfiles are intentionally kept online for future reference.
|
||||
LOGFILE="${LOGPATH}/log-`now`-level-${DUMP_LEVEL}"
|
||||
POSIXLY_CORRECT=1
|
||||
export POSIXLY_CORRECT
|
||||
}
|
||||
|
||||
wait_time() {
|
||||
if [ "${1}" != "now" ]; then
|
||||
if [ "${1}x" != "x" ]; then
|
||||
spec="${1}"
|
||||
else
|
||||
spec="${BACKUP_HOUR}"
|
||||
fi
|
||||
|
||||
pausetime="`date | awk -v spec=\"${spec}\" '
|
||||
BEGIN {
|
||||
split(spec, time, ":")
|
||||
}
|
||||
{
|
||||
split($4, now, ":")
|
||||
diff = 3600 * (time[1] - now[1]) + 60 * (time[2] - now[2]);
|
||||
if (diff < 0)
|
||||
diff += 3600 * 24
|
||||
print diff
|
||||
}'`"
|
||||
clear
|
||||
echo "${SLEEP_MESSAGE}"
|
||||
sleep "${pausetime}"
|
||||
fi
|
||||
}
|
||||
|
||||
level_log_name() {
|
||||
echo "$REMOTEBACKUPDIR/${1}.level-${2-$DUMP_LEVEL}"
|
||||
}
|
||||
|
||||
# Prepare a temporary level logfile
|
||||
# usage: make_level_log HOSTNAME
|
||||
make_level_log() {
|
||||
if [ "z${localhost}" != "z$1" ] ; then
|
||||
$RSH "$1" mkdir $REMOTEBACKUPDIR > /dev/null 2>&1
|
||||
$RSH "$1" rm -f `level_log_name temp`
|
||||
else
|
||||
mkdir $REMOTEBACKUPDIR > /dev/null 2>&1
|
||||
rm -f `level_log_name temp`
|
||||
fi
|
||||
}
|
||||
|
||||
# Rename temporary log
|
||||
# usage: flush_level_log HOSTNAME FSNAME
|
||||
flush_level_log() {
|
||||
message 10 "RENAME: `level_log_name temp` --> `level_log_name $2`"
|
||||
if [ "z${localhost}" != "z$1" ] ; then
|
||||
$RSH "$1" mv -f `level_log_name temp` "`level_log_name $2`"
|
||||
else
|
||||
mv -f `level_log_name temp` "`level_log_name $2`"
|
||||
fi
|
||||
}
|
||||
|
||||
# Do actual backup on a host
|
||||
# usage: backup_host HOSTNAME [TAR_ARGUMENTS]
|
||||
backup_host() {
|
||||
message 10 "ARGS: $@"
|
||||
rhost=$1
|
||||
shift
|
||||
if [ "z${localhost}" != "z$rhost" ] ; then
|
||||
$RSH "$rhost" ${TAR_PART1} -f "${localhost}:${TAPE_FILE}" $@
|
||||
else
|
||||
# Using `sh -c exec' causes nested quoting and shell substitution
|
||||
# to be handled here in the same way rsh handles it.
|
||||
CMD="exec ${TAR_PART1} -f \"${TAPE_FILE}\" $@"
|
||||
message 10 "CMD: $CMD"
|
||||
sh -c "$CMD"
|
||||
message 10 "RC: $?"
|
||||
fi
|
||||
}
|
||||
|
||||
print_level() {
|
||||
if [ ${1-$DUMP_LEVEL} -eq 0 ]; then
|
||||
echo "Full"
|
||||
else
|
||||
echo "Level ${1-$DUMP_LEVEL}"
|
||||
fi
|
||||
}
|
||||
|
||||
prev_level() {
|
||||
print_level `expr $DUMP_LEVEL - 1` | tr A-Z a-z
|
||||
}
|
||||
|
||||
remote_run() {
|
||||
rhost=$1
|
||||
shift
|
||||
message 10 "REMOTE $1: $@"
|
||||
if [ "x$rhost" != "x${localhost}" ] ; then
|
||||
$RSH "${rhost}" "$@"
|
||||
else
|
||||
$*
|
||||
fi
|
||||
}
|
||||
|
||||
license() {
|
||||
cat - <<EOF
|
||||
This program is part of GNU tar
|
||||
Copyright 2004, Free Software Foundation
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 1, or (at your option)
|
||||
any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||||
02111-1307, USA.
|
||||
EOF
|
||||
}
|
||||
108
scripts/dump-remind.in
Normal file
108
scripts/dump-remind.in
Normal file
@@ -0,0 +1,108 @@
|
||||
#!/bin/sh
|
||||
# This file is included in the GNU tar distribution as an example. It is
|
||||
# not used by default unless the proper line is uncommented in backup-specs.
|
||||
# System administrators will probably want to customize this and
|
||||
# backup-specs for their site.
|
||||
#
|
||||
# This script should be run by tar with --info-script (-F) to inform
|
||||
# interested parties that a tape for the next volume of the backup needs to
|
||||
# be put in the tape drive.
|
||||
#
|
||||
|
||||
# Include location of `sendmail' and GNU finger.
|
||||
PATH="/usr/lib:/usr/local/gnubin:${PATH}"
|
||||
export PATH
|
||||
|
||||
# Load library routines
|
||||
SYSCONFDIR=${SYSCONFDIR-@sysconfdir@}
|
||||
. ${LIBPATH-@libexecdir@}/backup.sh
|
||||
|
||||
MT_REWIND
|
||||
MT_OFFLINE
|
||||
|
||||
volno="`cat \"${VOLNO_FILE}\" 2> /dev/null`"
|
||||
if [ $? -ne 0 ]; then
|
||||
volno=0
|
||||
fi
|
||||
|
||||
# Get a list of people to whom to mail a request for changing the tape.
|
||||
# This egregious nightmare parses the output from GNU finger which shows
|
||||
# which users are logged into consoles (and thus in the office and capable
|
||||
# of changing tapes).
|
||||
#
|
||||
# Certain users (like `root') aren't real users, and shouldn't be notified.
|
||||
# Neither should `zippy', `elvis', etc. (on the GNU machines) since they're
|
||||
# just test accounts.
|
||||
recipients="`
|
||||
finger .clients 2> /dev/null \
|
||||
| sed -ne '
|
||||
1{
|
||||
/clientstatus: file has not changed in/{
|
||||
n;n;n;n;d
|
||||
}
|
||||
n;n;d
|
||||
}
|
||||
s/^..................................................//
|
||||
$!{/^$/d
|
||||
/^root?*$/d
|
||||
/^zippy$/d
|
||||
/^fnord$/d
|
||||
/^elvis$/d
|
||||
/^snurd$/d
|
||||
H
|
||||
}
|
||||
${g
|
||||
: 1
|
||||
s/\(\n\)\([A-Za-z0-9_][A-Za-z0-9_]*\)\(\n.*\)\2\(.*\)/\1\2\3\4/g
|
||||
s/\n$//g
|
||||
t 1
|
||||
s/^\n//
|
||||
s/\n$//g
|
||||
s/\n/, /g
|
||||
: 2
|
||||
s/, ,/,/g
|
||||
t 2
|
||||
p
|
||||
}'`"
|
||||
|
||||
# Customized behavior for FSF machines, to bring attention to the fact that
|
||||
# the tape needs to be changed (who looks at the terminal?)
|
||||
sendmail -oi -t << __EOF__
|
||||
From: `basename $0` (backup tape-changing reminder)
|
||||
To: ${recipients}
|
||||
Cc: ${ADMINISTRATOR}
|
||||
Subject: Backup needs new tape for volume ${volno}
|
||||
Reply-To: ${ADMINISTRATOR}
|
||||
|
||||
This is an automated report from the backup script running on
|
||||
`hostname`.
|
||||
|
||||
Volume ${volno} of the backup needs to be put in the tape drive. Usually
|
||||
whoever prepared the backup leaves labeled tapes on top of the drive
|
||||
itself. If there aren't any more, information about where to find tapes
|
||||
and how to label them are posted on the wall by apple-gunkies (unhelpfully
|
||||
obscured by a bookshelf). An online copy (which is probably more
|
||||
up-to-date) can also be found in ~friedman/etc/fsf/backup.how.
|
||||
__EOF__
|
||||
|
||||
|
||||
echo "Please put volume ${volno} in tape drive and press RETURN"
|
||||
read input
|
||||
echo "Writing volume ${volno}..."
|
||||
|
||||
sendmail -oi -t << __EOF__
|
||||
From: `basename $0` (backup tape-changing reminder)
|
||||
To: ${recipients}
|
||||
Cc: ${ADMINISTRATOR}
|
||||
Subject: Volume ${volno} for backup has been added
|
||||
Reply-To: ${ADMINISTRATOR}
|
||||
|
||||
This is an automated report from the backup script running on
|
||||
`hostname`.
|
||||
|
||||
The backup has been continued, so for now no further attention is required.
|
||||
__EOF__
|
||||
|
||||
exit 0
|
||||
|
||||
# eof
|
||||
Reference in New Issue
Block a user