Initial revision

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($4,4,2);\\
+      if((hr+0)<spec)\\
+         print 3600*(spec-hr)-60*mn;\\
+      else\\
+         print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
    clear
-   echo "${SLEEP_MESSAGE}"
-   sleep "${pausetime}"
+   cat ./dont_touch
+   sleep $pausetime
 fi
 
 # start doing things
 
-# 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-1''
-# 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${DUMP_REMIND_SCRIPT}" != "x" ]; then
-   TAR_PART1="${TAR_PART1} --info-script='${DUMP_REMIND_SCRIPT}'"
-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=$VOLNO_FILE"
+#TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING "
 
 # Make sure the log file did not already exist.  Create it.
 
-if [ -f "${LOGFILE}" ] ; then
-   echo "Log file ${LOGFILE} already exists." 1>&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