+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
#
# duplicity script for backupninja
# requires duplicity
getconf password
getconf sign no
getconf encryptkey
+getconf signkey
setsection source
getconf include
getconf exclude
setsection dest
+getconf incremental yes
getconf keep 60
getconf sshoptions
getconf bandwidthlimit 0
[ "$destdir" != "" ] || fatal "Destination directory not set"
[ "$include" != "" ] || fatal "No source includes specified"
-[ "$password" != "" ] || fatal "No password specified"
### vservers stuff ###
-# See if vservers are configured.
-# If so, check that the ones listed in $vsnames do exist.
-if [ "$vservers" == "yes" ]; then
- [ -d "$VROOTDIR" ] || fatal "vservers enabled, but $VROOTDIR does not exist!"
- if [ "$vsnames" == "all" ]; then
- vsnames=""
- for vserver in `ls $VROOTDIR | grep -E -v "lost+found|ARCHIVES"`; do
- vsnames="$vserver $vsnames"
- done
- else
- for vserver in "$vsnames"; do
- [ -d "$VROOTDIR/$vserver" ] || fatal "vserver '$vserver' does not exist."
- done
- fi
- if [ -n "$vsnames" ]; then
- if [ -n "$vsinclude" ]; then
- info "Using vservers '$vsnames'"
- usevserver=1
- fi
- else
- [ -z "$vsinclude" ] || warning 'vsnames is empty, vsinclude configuration lines will be ignored'
- fi
+# If vservers are configured, check that the ones listed in $vsnames do exist.
+local usevserver=no
+if [ $vservers_are_available = yes ]; then
+ if [ "$vsnames" = all ]; then
+ vsnames="$found_vservers"
+ else
+ if ! vservers_exist "$vsnames" ; then
+ fatal "At least one of the vservers listed in vsnames ($vsnames) does not exist."
+ fi
+ fi
+ if [ -n "$vsinclude" ]; then
+ info "Using vservers '$vsnames'"
+ usevserver=yes
+ fi
+else
+ [ -z "$vsinclude" ] || warning 'vservers support disabled in backupninja.conf, vsincludes configuration lines will be ignored'
+ [ -z "$vsnames" ] || warning 'vservers support disabled in backupninja.conf, vsnames configuration line will be ignored'
fi
### see if we can login ###
execstr="$options --no-print-statistics --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions' "
-if [ "$encryptkey" == "" ]; then
- [ "$sign" != "yes" ] || fatal "encryptkey option must be set when signing."
-else
+# deal with symmetric or asymmetric (public/private key pair) encryption
+if [ -n "$encryptkey" ]; then
execstr="${execstr}--encrypt-key $encryptkey "
- [ "$sign" != "yes" ] || execstr="${execstr}--sign-key $encryptkey "
+ debug "Data will be encrypted with the GnuPG key $encryptkey."
+else
+ [ -n "$password" ] || fatal "The password option must be set when using symmetric encryption."
+ debug "Data will be encrypted using symmetric encryption."
+fi
+
+# deal with data signing
+if [ "$sign" == yes ]; then
+ # duplicity is not able to sign data when using symmetric encryption
+ [ -n "$encryptkey" ] || fatal "The encryptkey option must be set when signing."
+ # if needed, initialize signkey to a value that is not empty (checked above)
+ [ -n "$signkey" ] || signkey="$encryptkey"
+ # check password validity
+ [ -n "$password" ] || fatal "The password option must be set when signing."
+ execstr="${execstr}--sign-key $signkey "
+ debug "Data will be signed will the GnuPG key $signkey."
+else
+ debug "Data won't be signed."
fi
if [ "$keep" != "yes" ]; then
execstr="${execstr}--remove-older-than $keep "
fi
+if [ "$incremental" == "no" ]; then
+ execstr="${execstr}--full "
+fi
+
execstr_serverpart="scp://$destuser@$desthost/$destdir"
execstr_clientpart="/"
### SOURCE ###
+set -o noglob
+
# excludes
for i in $exclude; do
str="${i//__star__/*}"
- execstr="${execstr}--exclude $str "
+ execstr="${execstr}--exclude '$str' "
done
# includes
for i in $include; do
str="${i//__star__/*}"
- execstr="${execstr}--include $str "
+ execstr="${execstr}--include '$str' "
done
# vsincludes
-if [ $usevserver ]; then
+if [ $usevserver = yes ]; then
for vserver in $vsnames; do
for vi in $vsinclude; do
str="${vi//__star__/*}"
done
fi
+set +o noglob
+
### EXECUTE ###
# exclude everything else, start with root