inc.sh

#!/bin/bash

if [ `whoami` != "root" ]; then
    echo "this script must be run as root"
    exit 1
fi

DIR=$(realpath $(dirname $0))
if [ -z "$conf_file" ]; then
    conf_file="$DIR/.env"
fi
source $conf_file

if [ -z "$log_file" ]; then
    log_file=/var/log/bckp.log
fi


if [ -z "$verbosity" ]; then
    verbosity="notice"
fi

if [ -z "$timeout" ]; then
    timeout=60
fi

remote="ftp://$user@$host/$remotedir/"

# Exit the script and sendmail
# $1 : exit code
# $2 : message
leave(){
        subject="[ `hostname` ] Backup"
        if [ $1 -eq 0 ]
        then
                subject="$subject successful"
        else
                subject="$subject failed"
        fi
cat << EOF | /usr/sbin/sendmail -t root
Subject: $subject

The backup on `hostname` ended with code $1.

$2

For more information see $log_file

Best regards,

EOF
        exit $1
}

run_duplicity(){
    export PASSPHRASE="$encpass"
    export FTP_PASSWORD="$ftppass"
    set -x
    /usr/bin/duplicity --verbosity $verbosity \
        --timeout $timeout \
        $@ \
        $remote
    set +x
    unset PASSPHRASE
    unset FTP_PASSWORD
}

cleanup(){
    echo "Cleaning"
    run_duplicity cleanup --force
}

delete_old_backups(){
    echo "Removing old backups"
    run_duplicity remove-older-than $BK_FULL_LIFE --force
    run_duplicity remove-all-but-n-full $BK_KEEP_FULL --force
    collection_state
}

collection_state(){
    echo "Backups state"
    run_duplicity collection-status $@
}