mirror of
https://0xacab.org/liberate/backupninja.git
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143 lines
3.2 KiB
Bash
143 lines
3.2 KiB
Bash
# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
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# vim: set filetype=sh sw=3 sts=3 expandtab autoindent:
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#
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# borg handler script for backupninja
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# requires borgbackup
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#
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# Guillaume Subiron, Sysnove, 2016
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#
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# Copyright 2016 Guillaume Subiron <guillaume@sysnove.fr>
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#
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# This work is free. You can redistribute it and/or modify it under the
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# terms of the Do What The Fuck You Want To Public License, Version 2,
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# as published by Sam Hocevar. See the http://www.wtfpl.net/ file for more details.
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#
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#
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export BORG_RELOCATED_REPO_ACCESS_IS_OK=yes
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### GET CONFIG ###
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getconf testconnect yes
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getconf nicelevel 0
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setsection source
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getconf keepdaily 7
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getconf keepweekly 4
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getconf keepmonthly -1
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getconf include
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getconf exclude
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setsection dest
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getconf user
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getconf host
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getconf directory
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# strip trailing /
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directory=${directory%/}
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getconf archive {now:%Y-%m-%d}
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getconf compression lz4
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getconf encryption
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getconf passphrase
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### CHECK CONFIG ###
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# check the connection at the source and destination
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[ -n "$test" ] || test=0
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if [ "$host" != "localhost" ] && ([ "$testconnect" = "yes" ] || [ "${test}" -eq 1 ]); then
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debug "ssh -o PasswordAuthentication=no $host -l $user 'echo -n 1'"
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local ret=`ssh -o PasswordAuthentication=no $host -l $user 'echo -n host is alive'`
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if echo $ret | grep "host is alive"; then
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debug "Connected to $host as $user successfully"
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else
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fatal "Can't connect to $host as $user."
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fi
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fi
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# destination specific checks
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[ "$directory" != "" ] || fatal "Destination directory not set"
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if [ "$host" != "localhost" ]; then
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execstr_repository="$user@$host:$directory"
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else
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execstr_repository="$directory"
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fi
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execstr_archive="$archive"
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### INIT IF NEEDED ###
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export BORG_PASSPHRASE="$passphrase"
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initstr="borg init --encryption=$encryption $execstr_repository"
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debug "$initstr"
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if [ $test = 0 ]; then
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output="`su -c "$initstr" 2>&1`"
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if [ $? = 2 ]; then
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debug $output
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info "Repository was already initialized"
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else
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warning $output
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warning "Repository has been initialized"
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fi
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fi
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### EXECUTE ###
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execstr="borg create --stats --compression $compression"
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set -o noglob
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# includes
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SAVEIFS=$IFS
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IFS=$(echo -en "\n\b")
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for i in $include; do
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includes="${includes} '$i'"
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done
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IFS=$SAVEIFS
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# excludes
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SAVEIFS=$IFS
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IFS=$(echo -en "\n\b")
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for i in $exclude; do
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excludes="${excludes} --exclude '$i'"
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done
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IFS=$SAVEIFS
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set +o noglob
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# include client-part and server-part
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execstr="${execstr} ${excludes} $execstr_repository::$execstr_archive ${includes}"
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debug "$execstr"
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if [ $test = 0 ]; then
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output=`nice -n $nicelevel su -c "$execstr" 2>&1`
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if [ $? = 0 ]; then
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debug $output
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info "Successfully finished backing up source $label"
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else
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error $output
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fatal "Failed backuping up source $label"
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fi
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fi
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### REMOVE OLD BACKUPS ###
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# borg prune
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prunestr="borg prune --keep-daily $keepdaily --keep-weekly $keepweekly --keep-monthly $keepmonthly $execstr_repository"
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debug "$prunestr"
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if [ $test = 0 ]; then
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output="`su -c "$prunestr" 2>&1`"
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if [ $? = 0 ]; then
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debug $output
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info "Removing old backups succeeded."
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else
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warning $output
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warning "Failed removing old backups."
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fi
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fi
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unset BORG_PASSPHRASE
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return 0
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