Duplicity Backup Script

periodic_backup.sh

#!/bin/bash
# Export some ENV variables so you don't have to type anything
export AWS_ACCESS_KEY_ID=<your-access-key-id>
export AWS_SECRET_ACCESS_KEY=<your-secret-access-key>
export PASSPHRASE=<your-gpg-passphrase>

GPG_KEY=<your-gpg-key>

# The source of your backup, by default the home directory
SOURCE=$HOME

# The destination
# Note that the bucket need not exist
# but does need to be unique amongst all
# Amazon S3 users. So, choose wisely.

DEST=s3+http://some-bucket-name-on-s3/some-path-to-your-backup

duplicity \
    incremental \
    --encrypt-key ${GPG_KEY} \
    --sign-key ${GPG_KEY} \
    --include=$HOME \
    --exclude=$HOME/Films \
    --exclude=$HOME/Downloads \
    --exclude="$HOME/VirtualBox VMs" \
    --exclude=/** \
    --volsize 250 \
    ${SOURCE} ${DEST}

# Reset the ENV variables. Don't need them sitting around
export AWS_ACCESS_KEY_ID=
export AWS_SECRET_ACCESS_KEY=
export PASSPHRASE=