From 6a33575a2c995103764f9c2a1b73ed5e062a60c8 Mon Sep 17 00:00:00 2001 From: Stelian Pop Date: Sun, 18 May 2008 08:08:17 +0000 Subject: [PATCH 1/1] Yet more improvements to cron_dump_to_disk. --- examples/cron_dump_to_disk/backup | 119 +++++++++++++++-------- examples/cron_dump_to_disk/backup_rotate | 63 +++++++++--- 2 files changed, 125 insertions(+), 57 deletions(-) diff --git a/examples/cron_dump_to_disk/backup b/examples/cron_dump_to_disk/backup index 43818c3..b062c17 100755 --- a/examples/cron_dump_to_disk/backup +++ b/examples/cron_dump_to_disk/backup @@ -1,21 +1,54 @@ #!/bin/bash -# -# This script will make a simple backup of the most critical partitions, -# 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" -# + +### + # Copyright (C) 2001 Eugenio Diaz + # + # Redistribution and use in source and binary forms, with or without + # modification, are permitted provided that the following conditions + # are met: + # + # 1. Redistributions of source code must retain the above copyright + # notice, this list of conditions and the following disclaimer. + # 2. Redistributions in binary form must reproduce the above + # copyright notice, this list of conditions and the following + # disclaimer in the documentation and/or other materials provided + # with the distribution. + # 3. Neither the name of the University nor the names of its + # contributors may be used to endorse or promote products derived + # from this software without specific prior written permission. + # + # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' + # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS + # OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + # SUCH DAMAGE. + # + ## + # + # This script will make a simple backup of the most critical + # partitions, 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 UPDATEDDATE="" @@ -32,7 +65,7 @@ elif [ "$1" = "inc" ]; then BTYPE="inc" BACKUP="Incremental" else - echo "Usage: $0 full|inc [nodumpdate]" + echo "Usage: $0 full|inc [nodumpdate]" exit 1 fi @@ -50,12 +83,12 @@ DUMPFILESOWN="root.root" # # Start -# +# echo -echo "#####################################################################" -echo "Starting ${BACKUP} backup." -echo "#####################################################################" +echo "############################################################" +echo "Starting ${BACKUP} backup" +echo "############################################################" echo @@ -74,24 +107,24 @@ elif ( mount $BACKUPPART -o rw &> /dev/null ) then echo "done." else echo "failure!" - echo " There were problems remounting $BACKUPPART in read-write mode!" + echo "There were problems remounting $BACKUPPART in read-write mode!" echo "Aborting ${BACKUP} System Dump Backup." echo "Aborted." - echo "-------------------------------------------------------------------------------" + echo "------------------------------------------------------------" exit 1 fi -echo -n "Checking backup partition for correct dir structure ... " +echo -n "Checking directory structure on backup partition ... " 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 -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 + $SAVAILDEL` + SREQ=$(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", $1}') + SAVAIL=$(( $SAVAILFREE + $SAVAILDEL )) - if [ `expr $SAVAIL - $SREQ` -gt "0" ]; then + if [ "$(( $SAVAIL - $SREQ ))" -gt "0" ]; then echo "done." echo "Available: $SAVAIL MB Required: $SREQ MB." else @@ -108,17 +141,17 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then echo "There were problems remounting $BACKUPPART in read-only mode!" echo "Aborting ${BACKUP} System Dump Backup." echo "Aborted." - echo "-------------------------------------------------------------------------------" + echo "------------------------------------------------------------" exit 1 fi echo "Aborting ${BACKUP} System Dump Backup." echo "Aborted." - echo "-------------------------------------------------------------------------------" + echo "------------------------------------------------------------" exit 1 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 @@ -131,10 +164,10 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then if [ "$FS" = "/" ]; then FSNAME="root" else - FSNAME=`echo $FS | tr / _ | cut -b 2-` + FSNAME="$(echo $FS | tr / _ | cut -b 2-)" fi sync - TODAY="`date +%a%Y%m%d`" + TODAY="$(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. -Q $BACKUPPART/$BACKUPDIR/$FSNAME.$BTYPE.qfa -L ${TODAY}file $FS &> $BACKUPPART/$BACKUPDIR/$FSNAME.log ) then echo "done." @@ -146,7 +179,7 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then fi echo -n "Verifying dump of $FSNAME ( $FS ) ... " - echo "-------------------------------------------------------------------------------" >> $BACKUPPART/$BACKUPDIR/$FSNAME.log + 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." @@ -155,8 +188,8 @@ if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then 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 + gzip < $BACKUPPART/$BACKUPDIR/$FSNAME.log >> $DUMPLOGARCH + echo "------------------------------------------------------------" | gzip >> $DUMPLOGARCH done echo -n "Setting ownership and permissions of dump files ... " @@ -181,29 +214,29 @@ else echo "There were problems remounting $BACKUPPART in read-only mode!" echo "Aborting ${BACKUP} System Dump Backup." echo "Aborted." - echo "-------------------------------------------------------------------------------" + echo "------------------------------------------------------------" exit 1 fi echo "Aborting ${BACKUP} System Dump Backup." echo "Aborted." - echo "-------------------------------------------------------------------------------" + echo "------------------------------------------------------------" exit 1 fi echo -n "Remounting backup partition read-only ... " -if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then +if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then echo "done." else echo "failure!" echo "There were problems remounting $BACKUPPART in read-only mode!" echo "Aborting ${BACKUP} System Dump Backup." echo "Aborted." - echo "-------------------------------------------------------------------------------" + echo "------------------------------------------------------------" exit 1 fi echo "### End of ${BACKUP} System Dump Backup ###" echo "Done." -echo "-------------------------------------------------------------------------------" +echo "------------------------------------------------------------" ## end of script diff --git a/examples/cron_dump_to_disk/backup_rotate b/examples/cron_dump_to_disk/backup_rotate index c3dc1fa..87168b3 100755 --- a/examples/cron_dump_to_disk/backup_rotate +++ b/examples/cron_dump_to_disk/backup_rotate @@ -1,11 +1,44 @@ #!/bin/bash -# -# This script will redirect the backup directory to implement desired backup -# schedules. -# -# We will use just a seven day format where we just move a link -# that represents the backup directory, to point to the day of the week. -# + +### + # Copyright (C) 2001 Eugenio Diaz + # + # Redistribution and use in source and binary forms, with or without + # modification, are permitted provided that the following conditions + # are met: + # + # 1. Redistributions of source code must retain the above copyright + # notice, this list of conditions and the following disclaimer. + # 2. Redistributions in binary form must reproduce the above + # copyright notice, this list of conditions and the following + # disclaimer in the documentation and/or other materials provided + # with the distribution. + # 3. Neither the name of the University nor the names of its + # contributors may be used to endorse or promote products derived + # from this software without specific prior written permission. + # + # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' + # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS + # OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + # SUCH DAMAGE. + # + ## + # + # This script will redirect the backup directory to implement desired + # backup schedules. + # + # We will use just a seven day format where we just move a link that + # represents the backup directory, to point to the day of the week. + ## + # # Configuration Parameters @@ -28,7 +61,7 @@ if ( mount $BACKUPPART -o remount,rw &> /dev/null ) then echo "done." else echo "failure!" - echo " There were problems remounting $BACKUPPART in read-write mode!" + echo "There were problems remounting $BACKUPPART in read-write mode!" echo "Rotation not made!" echo "### End of Backup Rotation ###" exit 1 @@ -37,7 +70,7 @@ fi echo -n "Checking that no directory named \"$BACKUPDIR\" exists ... " if [ -d $BACKUPPART/$BACKUPDIR -a ! -L $BACKUPPART/$BACKUPDIR ]; then echo "failure!" - echo " Directory \"$BACKUPDIR\" exists. Can't create link!" + echo "Directory \"$BACKUPDIR\" exists. Can't create link!" echo "Rotation not made!" echo -n "Remounting backup partition read-only ... " @@ -45,7 +78,7 @@ if [ -d $BACKUPPART/$BACKUPDIR -a ! -L $BACKUPPART/$BACKUPDIR ]; then echo "done." else echo "failure!" - echo " There were problems remounting $BACKUPPART in read-only mode!" + echo "There were problems remounting $BACKUPPART in read-only mode!" echo "### End of Backup Rotation ###" exit 1 fi @@ -62,7 +95,7 @@ if ( ln -snf $REALDIR $BACKUPDIR &> /dev/null ) then echo "done." else echo "failure!" - echo " There were problems creating link!" + echo "There were problems creating link!" echo "Rotation not made!" echo -n "Remounting backup partition read-only ... " @@ -70,10 +103,10 @@ else echo "done." else echo "failure!" - echo " There were problems remounting $BACKUPPART in read-only mode!" + echo "There were problems remounting $BACKUPPART in read-only mode!" echo "### End of Backup Rotation ###" exit 1 - fi + fi echo "### End of Backup Rotation ###" exit 1 fi @@ -83,8 +116,10 @@ if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then echo "done." else echo "failure!" - echo " There were problems remounting $BACKUPPART in read-only mode!" + echo "There were problems remounting $BACKUPPART in read-only mode!" echo "### End of Backup Rotation ###" exit 1 fi echo "### End of Backup Rotation ###" + +## end of script -- 2.39.2