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https://0xacab.org/liberate/backupninja.git
synced 2024-09-19 23:21:40 +02:00
Added rhatto's rub handler, a second try at a rsync snapshot
This commit is contained in:
Micah Anderson
parent
56e2f27e79
commit
b5ebe5d215
3
AUTHORS
3
AUTHORS
@ -10,6 +10,7 @@ Charles Lepple -- trac handler
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Petr Klíma <petr.klima@madeta-group.cz> -- autotools, RPM support and sys checks
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paulv@bikkel.org -- rsnap handler
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Robert Napier -- improved RPM build
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rhatto -- rub handler and patches
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Patches:
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@ -19,4 +20,4 @@ Brad Fritz <brad@fritzfam.com> -- trac patch
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garcondumonde@riseup.net
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Martin Krafft madduck@debian.org -- admingroup patch
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Anarcat
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rhatto
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2
TODO
2
TODO
@ -22,3 +22,5 @@ you are working on it!
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. Add an exclude option to database handlers so you can configure it to backup
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all databases, except for the excluded ones
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. Consolidate the 'rsnap' and 'rub' handlers into one rsync snapshot handler
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221
handlers/rub
Normal file
221
handlers/rub
Normal file
@ -0,0 +1,221 @@
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#
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# backupninja handler to do incremental backups using
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# rsync and hardlinks, based on
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#
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# http://www.mikerubel.org/computers/rsync_snapshots/
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#
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# feedback: rhatto at riseup.net | gpl
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#
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# config file options
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# -------------------
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#
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# [general]
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# log = rsync log file
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# partition = partition where the backup lives
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# fsck = set to 1 if fsck should run on $partition after the backup is made
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# read_only = set to 1 if $partition is mounted read-only
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# mountpoint = backup partition mountpoint or backup main folder
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# backupdir = folder relative do $mountpoint where the backup should be stored
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# days = number of backup increments (min = 5)
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# lockfile = lockfile to be kept during backup execution
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#
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# [source]
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# include = include folder on backup
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# exclude = exclude folder on backup
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# from = local or remote
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# ssh = ssh command line (remote only)
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# rsync = rsync command line
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# exclude_vserver = vserver-name (valid only if vservers = yes on backupninja.conf)
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#
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# [services]
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# initscripts = absolute path where scripts are located
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# service = script name to be stoped at the begining of the backup and started at its end
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#
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# You dont need to manually specify vservers using "include = /vservers".
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# They are automatically backed-up if vserver is set to "yes" on your backupninja.conf.
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#
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setsection general
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getconf log /var/log/backupninja-rub.log
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getconf partition
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getconf fsck
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getconf read_only
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getconf mountpoint
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getconf backupdir
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getconf rotate
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getconf days
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getconf lockfile
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setsection source
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getconf from local
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getconf rsync "rsync -av --delete"
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getconf ssh ssh
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getconf user
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getconf host
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getconf include
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getconf exclude
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getconf exclude_vserver
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setsection services
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getconf initscripts
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getconf service
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backupdir="$mountpoint/$backupdir"
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if [ ! -d "$backupdir" ]; then
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error "Backupdir $backupdir does not exist"
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exit 1
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fi
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if [ -z "$days" ]; then
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keep="4"
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else
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keep="`echo $days - 1 | bc -l`"
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fi
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if [ ! -z "$lockfile" ]; then
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touch $lockfile || warning "Could not create lockfile $lockfile"
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fi
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for path in $exclude; do
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EXCLUDES="$EXCLUDES --exclude=$path"
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done
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if [ ! -z "$service" ]; then
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for daemon in $service; do
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info "Stopping service $daemon..."
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$initscripts/$daemon stop
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done
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fi
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function rotate {
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# please use an absolute path
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if [[ "$2" < 4 ]]; then
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error "Rotate: minimum of 4 rotations"
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exit 1
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fi
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if [ -d $1.$2 ]; then
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mv $1.$2 $1.tmp
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fi
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for ((n=`echo "$2 - 1" | bc`; n >= 0; n--)); do
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if [ -d $1.$n ]; then
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dest=`echo "$n + 1" | bc`
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mv $1.$n $1.$dest
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touch $1.$dest
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fi
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done
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if [ -d $1.tmp ]; then
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mv $1.tmp $1.0
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fi
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if [ -d $1.1 ]; then
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cp -alf $1.1/. $1.0
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fi
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}
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echo "Starting backup at `date`" >> $log
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if [ "$read_only" == "1" ] || [ "$read_only" == "yes" ]; then
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if [ -d "$mountpoint" ]; then
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mount -o remount,rw $mountpoint
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if (($?)); then
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error "Could not mount $mountpoint"
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exit 1
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fi
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fi
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fi
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if [ "$vservers_are_available" == "yes" ]; then
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# sane permission on backup
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mkdir -p $backupdir/$VROOTDIR
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chmod 000 $backupdir/$VROOTDIR
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for candidate in `ls $VROOTDIR`; do
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found_excluded_vserver="0"
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if [ "$candidate" != "lost+found" ]; then
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for excluded_vserver in $exclude_vserver; do
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if [ "$excluded_vserver" == "$candidate" ]; then
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found_excluded_vserver="1"
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break
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fi
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done
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if [ "$found_excluded_vserver" == "0" ]; then
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include="$include $VROOTDIR/$candidate"
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fi
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fi
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done
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fi
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for SECTION in $include; do
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section="`basename $SECTION`"
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if [ ! -d "$backupdir/$SECTION/$section.0" ]; then
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mkdir -p $backupdir/$SECTION/$section.0
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fi
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info "Rotating $backupdir/$SECTION/$section..."
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echo "Rotating $backupdir/$SECTION/$section..." >> $log
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rotate $backupdir/$SECTION/$section $keep
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info "Syncing $SECTION on $backupdir/$SECTION/$section.0..."
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if [ "$from" == "local" ]; then
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debug $rsync $EXCLUDES /$SECTION/ $backupdir/$SECTION/$section.0/
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$rsync $EXCLUDES /$SECTION/ $backupdir/$SECTION/$section.0/ >> $log
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if [ "$?" != "0" ]; then
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warning "Rsync error when trying to transfer $SECTION"
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fi
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elif [ "$from" == "remote" ]; then
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if [ -z "$user" ] || [ -z "$host" ]; then
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error "Config file error: either user or host was not specified"
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exit 1
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else
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debug $rsync $EXCLUDES -e "$ssh" $user@$host:/$SECTION/ $backupdir/$SECTION/$section.0
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$rsync $EXCLUDES -e "$ssh" $user@$host:/$SECTION/ $backupdir/$SECTION/$section.0 >> $log
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if [ "$?" != "0" ]; then
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warning "Rsync error when trying to transfer $SECTION"
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fi
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fi
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else
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error "Invalid source $from"
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exit 1
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fi
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touch $backupdir/$SECTION/$section.0
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done
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if [ "$read_only" == "1" ] || [ "$read_only" == "yes" ]; then
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mount -o remount,ro $mountpoint
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fi
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if [ "$fsck" == "1" ] || [ "$fsck" == "yes" ]; then
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umount $mountpoint
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if (($?)); then
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warning "Could not umount $mountpoint to run fsck"
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else
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fsck -v -y $partition >> $log
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mount $mountpoint
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fi
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fi
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if [ ! -z "$service" ]; then
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for daemon in $service; do
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info "Starting service $daemon..."
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$initscripts/$daemon start
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done
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fi
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if [ ! -z "$lockfile" ]; then
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rm $lockfile || warning "Could not remove lockfile $lockfile"
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fi
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echo "Finnishing backup at `date`" >> $log
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