backupninja/handlers/rdiff

121 lines
2.9 KiB
Plaintext

#
# rdiff-backup handler script for backupninja
# requires rdiff-backup
#
getconf options
setsection source
getconf type; sourcetype=$type
getconf label
getconf user root; sourceuser=$user
getconf keep 60
getconf include
getconf exclude
### DESTINATION ###
setsection dest
getconf directory; destdir=$directory
# strip trailing /
destdir=${destdir%/}
getconf type; desttype=$type
getconf user; destuser=$user
getconf host; desthost=$host
[ "$destdir" != "" ] || fatal "Destination directory not set"
[ "$desttype" == "remote" ] || fatal "Only remote destinations are supported"
# see if we can login
debug "su $sourceuser -c \"ssh -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'\""
if [ ! $test ]; then
result=`su $sourceuser -c "ssh -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'" 2>&1`
if [ "$result" != "1" ]; then
fatal "Can't connect to $desthost as $destuser."
fi
fi
# see that rdiff-backup has the same version as here
debug "su $sourceuser -c \"ssh $desthost -l $destuser '$RDIFFBACKUP -V'\""
if [ ! $test ]; then
remoteversion=`su $sourceuser -c "ssh $desthost -l $destuser '$RDIFFBACKUP -V'" 2>&1`
localversion=`$RDIFFBACKUP -V`
if [ "$remoteversion" != "$localversion" ]; then
fatal "rdiff-backup does not have the same version on this computer and the backup server."
fi
fi
execstr_serverpart="$destuser@$desthost::$destdir/$label"
### SOURCE ###
[ "$label" != "" ] || fatal "Source missing label"
[ "$sourcetype" == "local" ] || fatal "Only local source type supported"
[ "$include" != "" ] || fatal "No source includes specified"
execstr_clientpart="/"
## REMOVE OLD BACKUPS
if [ "`echo $keep | tr -d 0-9`" == "" ]; then
keep="${keep}D"
fi
removestr="rdiff-backup --force --remove-older-than $keep "
if [ "$desttype" == "remote" ]; then
removestr="${removestr}${destuser}@${desthost}::"
fi
removestr="${removestr}${destdir}/${label}";
debug "su $sourceuser -c '$removestr'"
if [ ! $test ]; then
output=`su $sourceuser -c "$removestr" 2>&1`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Removing backups older than $keep days succeeded."
else
warning $output
warning "Failed removing backups older than $keep."
fi
fi
## EXECUTE ##
execstr="$RDIFFBACKUP $options --print-statistics "
# TODO: order the includes and excludes
# excludes
for i in $exclude; do
str="${i//__star__/*}"
execstr="${execstr}--exclude '$str' "
done
# includes
for i in $include; do
str="${i//__star__/*}"
execstr="${execstr}--include '$str' "
done
# exclude everything else
execstr="${execstr}--exclude '/*' "
# include client-part and server-part
execstr="${execstr}$execstr_clientpart $execstr_serverpart"
debug "su $sourceuser -c '$execstr'"
if [ ! $test ]; then
output=`su $sourceuser -c "$execstr" 2>&1`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished backing up source '$label'"
else
warning $output
warning "Failed backup up source '$label'"
fi
fi
return 0