Llewellyn/Tomb
1
0
Fork 0
mirror of https://github.com/Llewellynvdm/Tomb.git synced 2024-12-23 02:28:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

removed backup

Browse Source 
was just an experiment and not interesting
users can better choose their own backup system
and be in complete control of the process
This commit is contained in:
Jaromil 2011-04-27 20:59:49 +02:00
parent 3a8c90ee9b
commit 27a8bf2830
1 changed files with 0 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
src/tomb
View File

@ -633,92 +633,6 @@ exec_safe_post_hooks() {
fi
}
backup_tomb() { # FIXME - duplicity asks passwords too often
# using duplicity
which duplicity > /dev/null
if [ $? != 0 ]; then
error "duplicity not found, can't operate backup"
return 1
fi
if [ -z $CMD3 ]; then
error "backup command needs 2 arguments: tomb and destination url"
error "please refer to tomb(1) and duplicity(1) manuals for more information"
return 1
fi
# is it a tomb?
get_arg_tomb ${CMD2}
if [ $? != 0 ]; then
error "there is no tomb to backup, operation aborted."
return 1
fi
# is it a url?
echo "${CMD3}" | grep -i -e '^.*:\/\/.*' 2>&1 > /dev/null
if ! [ $? = 0 ]; then
error "second argument is not a valid duplicity url."
error "read the tomb(1) and duplicity(1) manual for more information"
return 1
fi
bckurl=${CMD3}
# is it ssh?
protocol="`expr substr $bckurl 1 3`"
act "backup over protocol $protocol"
if [ "$protocol" = "ssh" ]; then
act "ssh connection requires a password"
FTP_PASSWORD="`exec_as_user ${TOMBEXEC} askpass $bckurl`"
dupopts="--ssh-askpass"
# TODO verify ssh access before duplicity does
# since it blocks the thing retrying 5 times and such crap
# i.e. try ssh true to sshurl="`echo $bckurl | sed -e 's/ssh:\/\///'`"
# --no-print-statistics
fi
# duplicity works only on directories
# so we create a directory in tmpfs and bind the tomb inside it
# during backup the encrypted tomb will be exposed
# TODO: check that the tomb is not mounted and, if mounted
# remount it read-only so it doesn't gets modified during bck
bckname=${tombname}.bck
mkdir -p /dev/shm/${bckname}
if [ $? != 0 ]; then
error "cannot generate a temporary backup directory in /dev/shm, operation aborted."
return 1
fi
bcktmpdir=/dev/shm/${bckname}
# mmm, maybe we should mount our own tmpfs? we need root anyway for mount -o bind
# if we reach to eliminate this mount trick and upload only one file with duplicity
# then this function doesn't needs to be root to work.
touch ${bcktmpdir}/${tombfile}
mount -o bind ${tombdir}/${tombfile} ${bcktmpdir}/${tombfile}
bcklast=`exec_as_user duplicity \
${(s: :)dupopts} \
collection-status ${bckurl} \
| awk '/^Last full backup date:/ { print $5 }'`
# we detect if backup already exists or not so we can handle
# password prompt (choosing a password for full, inserting for incr)
if [ "$bcklast" = "none" ]; then
notice "Creating a backup of tomb $tombname on url $bckurl"
exec_as_user FTP_PASSWORD="$FTP_PASSWORD" duplicity ${(s: :)dupopts} \
full ${bcktmpdir} ${bckurl}
else
notice "Updating a backup of tomb $tombname on url $bckurl"
exec_as_user FTP_PASSWORD="$FTP_PASSWORD" duplicity ${(s: :)dupopts} \
incr ${bcktmpdir} ${bckurl}
fi
unset FTP_PASSWORD
if [ $? != 0 ]; then
error "duplicity reported error, operation aborted"
umount ${bcktmpdir}/${tombfile}
return 1
fi
notice "Operation successful."
umount ${bcktmpdir}/${tombfile}
return 0
}
umount_tomb() {
local tombs how_many_tombs
local pathmap mapper tombname tombmount loopdev
@ -973,7 +887,6 @@ main () {
return 1
fi
decode_key ${CMD2} ;;
backup) check_priv ; backup_tomb ${CMD2} ${CMD3} ;;
install) check_priv ; install_tomb ;;
askpass) ask_password $CMD2 ;;
status) tomb-status ;;