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#!/bin/bash
# Copyright 2017 Peter Palfrader
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# /system script add name="backups-create" source={/ export compact file=config.export;
# system backup save name=config.backup dont-encrypt=yes; }
#
# /system scheduler add name="backup" on-event="/system script run backups-create" start-date=jan/01/1970 start-time=00:00:00 interval=10h
# /system script run backups-create
#
# /user group add name="backupgroup" policy="ssh,read,ftp,sensitive"
# /user add name=backup group=backupgroup address=XXX.YYY/ZZZ password=XXXXXXXX
#
# /user ssh-keys import user=backup public-key-file=id_rsa.pub
set -e
set -u
set -x
umask 077
user=backup
hosts="router.noreply.org router2.debian.org"
ts=$(date +"%Y%m%dT%H%M%S")
rc=0
for h in $hosts; do
r=0
dir="$h/$ts"
mkdir -p "$dir"
scp -B -p "${user}@${h}:config.backup" "$dir/" || r=1
scp -B -p "${user}@${h}:config.export.rsc" "$dir/" || r=1
if [ "$r" -gt 0 ]; then
rmdir "$h/$ts" || true
rc="$r"
else
ln -sf "$ts"/config.backup "$h/config.backup"
ln -sf "$ts"/config.export.rsc "$h/config.export.rsc"
fi
done
exit "$r"
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