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+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
+#
+# duplicity script for backupninja
+# requires duplicity
+#
+
+getconf options
+getconf testconnect yes
+getconf nicelevel 0
+getconf tmpdir
+
+setsection gpg
+getconf password
+getconf sign no
+getconf encryptkey
+getconf signkey
+
+setsection source
+getconf include
+getconf vsnames all
+getconf vsinclude
+getconf exclude
+
+setsection dest
+getconf incremental yes
+getconf keep 60
+getconf sshoptions
+getconf bandwidthlimit 0
+getconf desthost
+getconf destdir
+getconf destuser
+destdir=${destdir%/}
+
+### SANITY CHECKS ##############################################################
+
+[ -n "$destdir" ] || fatal "Destination directory not set"
+[ -n "$include" ] || fatal "No source includes specified"
+[ -n "$password" ] || fatal "The password option must be set."
+
+### VServers
+# 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'
+fi
+
+### See if we can login on $desthost
+if [ "$testconnect" == "yes" ]; then
+ debug "ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
+ if [ ! $test ]; then
+ result=`ssh $sshoptions -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'`
+ if [ "$result" != "1" ]; then
+ fatal "Can't connect to $desthost as $destuser."
+ else
+ debug "Connected to $desthost as $destuser successfully"
+ fi
+ fi
+fi
+
+### COMMAND-LINE MANGLING ######################################################
+
+### initialize $execstr*
+execstr_command=
+execstr_options="$options --no-print-statistics"
+execstr_source=
+execstr_serverpart="scp://$destuser@$desthost/$destdir"
+
+### duplicity version
+duplicity_version="`duplicity --version | @AWK@ '{print $2}'`"
+duplicity_major="`echo $duplicity_version | @AWK@ -F '.' '{print $1}'`"
+duplicity_minor="`echo $duplicity_version | @AWK@ -F '.' '{print $2}'`"
+duplicity_sub="`echo $duplicity_version | @AWK@ -F '.' '{print $3}'`"
+
+### ssh/scp/sftp options
+# 1. duplicity >= 0.4.2 needs --sftp-command
+# (NB: sftp does not support the -l option)
+# 2. duplicity 0.4.3 to 0.4.9 replace --ssh-command with --ssh-options, which is
+# passed to scp and sftp commands by duplicity. We don't use it: since this
+# version does not use the ssh command anymore, we keep compatibility with
+# our previous config files by passing $sshoptions to --scp-command and
+# --sftp-command ourselves
+
+scpoptions="$sshoptions"
+[ "$bandwidthlimit" == 0 ] || scpoptions="$scpoptions -l $bandwidthlimit"
+
+# < 0.4.2 : only uses ssh and scp
+if [ "$duplicity_major" -le 0 -a "$duplicity_minor" -le 4 -a "$duplicity_sub" -lt 2 ]; then
+ execstr_options="${execstr_options} --scp-command 'scp $scpoptions' --ssh-command 'ssh $sshoptions'"
+# >= 0.4.2 : also uses sftp, --sftp-command option is now supported
+else
+ sftpoptions="$sshoptions"
+ # == 0.4.2 : uses ssh, scp and sftp
+ if [ "$duplicity_major" -eq 0 -a "$duplicity_minor" -eq 4 -a "$duplicity_sub" -eq 2 ]; then
+ execstr_options="${execstr_options} --scp-command 'scp $scpoptions' --sftp-command 'sftp $sftpoptions' --ssh-command 'ssh $sshoptions'"
+ # >= 0.4.3 : uses only scp and sftp, --ssh-command option is not supported anymore
+ else
+ execstr_options="${execstr_options} --scp-command 'scp $scpoptions' --sftp-command 'sftp $sftpoptions'"
+ fi
+fi
+
+### Symmetric or asymmetric (public/private key pair) encryption
+if [ -n "$encryptkey" ]; then
+ execstr_options="${execstr_options} --encrypt-key $encryptkey"
+ debug "Data will be encrypted with the GnuPG key $encryptkey."
+else
+ debug "Data will be encrypted using symmetric encryption."
+fi
+
+### Data signing (or not)
+if [ "$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="$encryptkey"
+ execstr_options="${execstr_options} --sign-key $signkey"
+ debug "Data will be signed will the GnuPG key $signkey."
+else
+ debug "Data won't be signed."
+fi
+
+### Incremental or full backup mode
+# If incremental==yes, use the default duplicity behaviour: perform an
+# incremental backup if old signatures can be found, else switch to
+# full backup.
+# If incremental==no, force a full backup anyway.
+if [ "$incremental" == "no" ]; then
+ # before 0.4.4, full was an option and not a command
+ if [ "$duplicity_major" -le 0 -a "$duplicity_minor" -le 4 -a "$duplicity_sub" -lt 4 ]; then
+ execstr_options="${execstr_options} --full"
+ else
+ execstr_command="full"
+ fi
+fi
+
+### Temporary directory
+precmd=
+if [ -n "$tmpdir" ]; then
+ if [ ! -d "$tmpdir" ]; then
+ info "Temporary directory ($tmpdir) does not exist, creating it."
+ mkdir -p "$tmpdir"
+ [ $? -eq 0 ] || fatal "Could not create temporary directory ($tmpdir)."
+ fi
+ info "Using $tmpdir as TMPDIR"
+ precmd="${precmd}TMPDIR=$tmpdir "
+fi
+
+### Cleanup old backup sets (or not)
+if [ "$keep" != "yes" ]; then
+ if [ "`echo $keep | tr -d 0-9`" == "" ]; then
+ keep="${keep}D"
+ fi
+ # before 0.4.4, remove-older-than was an option and not a command
+ if [ "$duplicity_major" -le 0 -a "$duplicity_minor" -le 4 -a "$duplicity_sub" -lt 4 ]; then
+ execstr_options="${execstr_options} --remove-older-than $keep"
+ fi
+fi
+
+### Source
+
+set -o noglob
+
+# excludes
+for i in $exclude; do
+ str="${i//__star__/*}"
+ execstr_source="${execstr_source} --exclude '$str'"
+done
+
+# includes
+for i in $include; do
+ [ "$i" != "/" ] || fatal "Sorry, you cannot use 'include = /'"
+ str="${i//__star__/*}"
+ execstr_source="${execstr_source} --include '$str'"
+done
+
+# vsincludes
+if [ $usevserver = yes ]; then
+ for vserver in $vsnames; do
+ for vi in $vsinclude; do
+ str="${vi//__star__/*}"
+ str="$VROOTDIR/$vserver$str"
+ execstr_source="${execstr_source} --include '$str'"
+ done
+ done
+fi
+
+set +o noglob
+
+### EXECUTE ####################################################################
+
+execstr_source=${execstr_source//\\*/\\\\\\*}
+
+### Cleanup commands (duplicity >= 0.4.4)
+
+# cleanup
+if [ "$duplicity_major" -ge 0 -a "$duplicity_minor" -ge 4 -a "$duplicity_sub" -ge 4 ]; then
+ debug "$precmd duplicity cleanup $execstr_options $execstr_serverpart"
+ if [ ! $test ]; then
+ export PASSPHRASE=$password
+ output=`nice -n $nicelevel \
+ su -c \
+ "$precmd duplicity cleanup $execstr_options $execstr_serverpart 2>&1"`
+ exit_code=$?
+ if [ $exit_code -eq 0 ]; then
+ debug $output
+ info "Duplicity cleanup finished successfully."
+ else
+ debug $output
+ warning "Duplicity cleanup failed."
+ fi
+ fi
+fi
+
+# remove-older-than
+if [ "$keep" != "yes" ]; then
+ if [ "$duplicity_major" -ge 0 -a "$duplicity_minor" -ge 4 -a "$duplicity_sub" -ge 4 ]; then
+ debug "$precmd duplicity remove-older-than $keep $execstr_options $execstr_serverpart"
+ if [ ! $test ]; then
+ export PASSPHRASE=$password
+ output=`nice -n $nicelevel \
+ su -c \
+ "$precmd duplicity remove-older-than $keep $execstr_options $execstr_serverpart 2>&1"`
+ exit_code=$?
+ if [ $exit_code -eq 0 ]; then
+ debug $output
+ info "Duplicity remove-older-than finished successfully."
+ else
+ debug $output
+ warning "Duplicity remove-older-than failed."
+ fi
+ fi
+ fi
+fi
+
+### Backup command
+debug "$precmd duplicity $execstr_command $execstr_options $execstr_source --exclude '**' / $execstr_serverpart"
+if [ ! $test ]; then
+ export PASSPHRASE=$password
+ output=`nice -n $nicelevel \
+ su -c \
+ "$precmd duplicity $execstr_command $execstr_options $execstr_source --exclude '**' / $execstr_serverpart 2>&1"`
+ exit_code=$?
+ if [ $exit_code -eq 0 ]; then
+ debug $output
+ info "Duplicity finished successfully."
+ else
+ debug $output
+ fatal "Duplicity failed."
+ fi
+fi
+
+return 0
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-30 16:50:35 +0000