More improvements from Aaron S. Hawley <aaron.s.hawley@gmail.com>.

[dump.git] / examples / cron_dump_to_disk / backup

diff --git a/examples/cron_dump_to_disk/backup b/examples/cron_dump_to_disk/backup
index d1de13687c41dd9fd5d2290ac3453c9d962dcc9d..43818c3a670a19b9c4521b2a3db3bcaee9d291f8 100755 (executable)
--- a/examples/cron_dump_to_disk/backup
+++ b/examples/cron_dump_to_disk/backup
@@ -1,10 +1,20 @@
 #!/bin/bash
 #
 # This script will make a simple backup of the most critical partitions,
-# using the "dump" facility, into the backup partition. It will stop the
-# webserver, and recurse the sites directories making a tar mini-backup of
-# the database dirs. It will the restart the webserver, and start the
-# "dump" backup.
+# using the "dump" facility, into the backup partition.
+#
+# Run the following to make a complete backup:
+#
+# $ su -c "backup full"
+#
+# Run the following to make an incremental backup:
+#
+# $ su -c "backup inc"
+#
+# Add "nodumpdate" to run a backup but not effect the backup state
+# recorded in the file /var/lib/dumpdates and reported by dump -W:
+#
+# $ su -c "backup full nodumpdate"
 #
 
 if [ "$2" = "nodumpdate" ]; then
@@ -60,6 +70,8 @@ echo "Filesystems to dump: $FSTODUMP"
 echo -n "Remounting backup partition read-write ... "
 if ( mount $BACKUPPART -o remount,rw &> /dev/null ) then
    echo "done."
+elif ( mount $BACKUPPART -o rw &> /dev/null ) then
+   echo "done."
 else
    echo "failure!"
    echo " There were problems remounting $BACKUPPART in read-write mode!"
@@ -74,21 +86,23 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then
    echo "done."
 
    echo -n "Checking backup partition for available space ... "
-   SREQ=`for i in $FSTODUMP;do dump -$DLEVEL -S $i 2> /dev/null;done|awk '{x=x+$1/1048576} END {printf "%6.0f\n", x}'`
-   SAVAILFREE=`df --block-size=1048576 |grep -Ew $BACKUPPART|awk '{printf "%6.0f\n", $4}'`
-   SAVAILDEL=`du -s --block-size=1048576 $BACKUPPART/$BACKUPDIR/. |awk '{printf "%6.0f\n", $1}'`
+   SREQ=`for i in $FSTODUMP; do dump -$DLEVEL -S $i 2> /dev/null; done | awk '{x=x+$1/1048576} END {printf "%6.0f\n", x}'`
+   SAVAILFREE=`df --block-size=1048576 | grep -Fe $BACKUPPART | awk '{printf "%6.0f\n", $4}'`
+   SAVAILDEL=`du -s --block-size=1048576 $BACKUPPART/$BACKUPDIR/. | awk '{printf "%6.0f\n", $1}'`
    SAVAIL=`expr $SAVAILFREE + $SAVAILDEL`
 
    if [ `expr $SAVAIL - $SREQ` -gt "0" ]; then
       echo "done."
       echo "Available: $SAVAIL MB Required: $SREQ MB."
    else
-      echo "no enough space!"
+      echo "not enough space!"
       echo "There is not enough space left in $BACKUPPART for the backup!"
       echo "Available: $SAVAIL MB Required: $SREQ MB."
       echo -n "Remounting backup partition read-only ... "
       if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then
          echo "done."
+      elif ( mount $BACKUPPART -o ro &> /dev/null ) then
+         echo "done."
       else
          echo "failure!"
          echo "There were problems remounting $BACKUPPART in read-only mode!"
@@ -104,7 +118,7 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then
    fi
 
    echo -n "Deleting old files ... "
-   if [ `ls -la $BACKUPPART/$BACKUPDIR/|wc -l` -gt "3" ]; then
+   if [ `ls -la $BACKUPPART/$BACKUPDIR/ | wc -l` -gt "3" ]; then
       rm -f $BACKUPPART/$BACKUPDIR/* &> /dev/null
       echo "done."
    else
@@ -117,18 +131,30 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then
       if [ "$FS" = "/" ]; then
          FSNAME="root"
       else
-         FSNAME=`echo $FS|tr / _|cut -b 2-`
+         FSNAME=`echo $FS | tr / _ | cut -b 2-`
       fi
       sync
+      TODAY="`date +%a%Y%m%d`"
       echo -n "Starting dump of $FSNAME ( $FS ) ... "
-      if ( dump -$DLEVEL $UPDATEDDATE -z -M -s 27306 -f $BACKUPPART/$BACKUPDIR/$FSNAME.$BTYPE. $FS &> $BACKUPPART/$BACKUPDIR/$FSNAME.log ) then
+      if ( dump -$DLEVEL $UPDATEDDATE -z -M -s 27306 -f $BACKUPPART/$BACKUPDIR/$FSNAME.$BTYPE. -Q $BACKUPPART/$BACKUPDIR/$FSNAME.$BTYPE.qfa -L ${TODAY}file $FS &> $BACKUPPART/$BACKUPDIR/$FSNAME.log ) then
          echo "done."
       else
          echo "problems!"
-         echo "There where problems with the dump of $FSNAME ( $FS )."
-         echo "Check logfile $BACKUPPART/$BACKUPDIR/$FSNAME.log for more info"
+         echo "There were problems with the dump of $FSNAME ( $FS )."
+         echo "Check log file at $BACKUPPART/$BACKUPDIR/$FSNAME.log.gz"
          echo "Also check log archive file $DUMPLOGARCH."
       fi
+
+      echo -n "Verifying dump of $FSNAME ( $FS ) ... "
+      echo "-------------------------------------------------------------------------------" >> $BACKUPPART/$BACKUPDIR/$FSNAME.log
+      echo "Result of dump for $FSNAME ( $FS ):" >> $BACKUPPART/$BACKUPDIR/$FSNAME.log
+      if ( restore -C -M -f $BACKUPPART/$BACKUPDIR/$FSNAME.$BTYPE. >> $BACKUPPART/$BACKUPDIR/$FSNAME.log 2>&1 ) then
+         echo "done."
+      else
+         echo "problems!"
+         echo "There were problems verifying the dump of $FSNAME ( $FS )."
+         echo "Check log file $BACKUPPART/$BACKUPDIR/$FSNAME.log.gz for more info"
+      fi
       cat $BACKUPPART/$BACKUPDIR/$FSNAME.log |gzip >> $DUMPLOGARCH
       echo "-------------------------------------------------------------------------------" |gzip >> $DUMPLOGARCH
    done
@@ -146,7 +172,7 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then
 else
    echo "problems!"
    echo "There are problems with the directory structure."
-   echo "Check dirs: $BACKUPPART/$BACKUPDIR"
+   echo "Check directory: $BACKUPPART/$BACKUPDIR"
    echo -n "Remounting backup partition read-only ... "
    if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then
       echo "done."
@@ -179,3 +205,5 @@ fi
 echo "### End of ${BACKUP} System Dump Backup ###"
 echo "Done."
 echo "-------------------------------------------------------------------------------"
+
+## end of script