VyOS EdgeOS Automated backup and Change Notificaiton

vyos-edgeos-backup.sh

#!/bin/bash
#
# Description: 
#   Demo of how to download EdgeOS configuration and check if a change exists.
#   If a change exists send a notification to a Zabbix server.
#
# ****************************************************************************************
# This script is provided as a demo to show how to backup configurations automatically
# You should not consider this a production script. If you are interested in a production
# script please contact me @ support[at]voice1[dot]me or feel free to modify this to your
# own needs.
#
# Uncomment the dated-backup line if you want to save a local file with the date.
# 
# ****************************************************************************************
#
# By: VOICE1, LLC
# LICENSE: BSD
#

DEVICE=10.0.0.1
ZABBIX_SERVER=10.0.0.200
ZABBIX_HOST='edgeOS-device'


DATE=`date +%Y-%m-%d:%H:%M:%S`

# This overrides any existing file by the same name.
ssh ubnt@$DEVICE "/opt/vyatta/sbin/vyatta-config-gen-sets.pl" > edgeOS-$DEVICE-backup.cfg


# dated-backup;
# Uncomment to save currently backed up file with a date suffix.
#cp edgeOS-$DEVICE-backup.cfg edgeOS-$DEVICE-backup-$DATE.cfg


# Basic File rotation. 
if [ ! -f edgeOS-$DEVICE-backup-new.cfg ]; then
    # There is no "new" file, our current one becomes the new file.
    cp edgeOS-$DEVICE-backup.cfg edgeOS-$DEVICE-backup-new.cfg
else
    # The "new" file exists, but its now the old file because we just downloaded
    # the latest config. This overrides the old config. Make sure you have it backed up!
    cp edgeOS-$DEVICE-backup-new.cfg edgeOS-$DEVICE-backup-old.cfg
fi


if [ ! -f edgeOS-$DEVICE-backup-old.cfg ]; then
    # There is no "older file, so theres really nothing to compare to.
    # cp edgeOS-$DEVICE-backup.cfg edgeOS-$DEVICE-backup-old.cfg
    echo "No older config to compare to. Pull another copy first."
    exit(0)
fi


# Diff
CHANGES=$(diff -qs edgeOS-$DEVICE-backup-old.cfg edgeOS-$DEVICE-backup-new.cfg)


# change-notification;
# Check the $CHANGES for either 'identical' or 'differ'
# And notify zabbix of a change.
# 
# You can use any form of notification you want here, this is only a sample.
if [[ $CHANGES = *differ* ]]; then
    zabbix_sender -z $ZABBIX_SERVER -s $ZABBIX_HOST -k edgeOS.config -o 'differ'
else
    # No Changes Comment out if you do not want to receive notices of the same file.
    echo "No changes detected."
    zabbix_sender -z $ZABBIX_SERVER -s $ZABBIX_HOST -k edgeOS.config -o 'identical'
fi


exit(0)