#!/bin/bash

set -eu
cd "$(dirname "$0")"

# this script backups up a source path to a destination folder on the remote VM
# then pulls that data down to the maanagement environment

# if the source files to backup don't exist on the remote host, we return.
if ! ssh "$PRIMARY_WWW_FQDN" "[ -d $REMOTE_SOURCE_BACKUP_PATH ]"; then
    exit 0
fi

ssh "$PRIMARY_WWW_FQDN" sudo PASSPHRASE="$DUPLICITY_BACKUP_PASSPHRASE" duplicity "$REMOTE_SOURCE_BACKUP_PATH" "file://$REMOTE_BACKUP_PATH"
ssh "$PRIMARY_WWW_FQDN" sudo chown -R ubuntu:ubuntu "$REMOTE_BACKUP_PATH"

# sync the remote backup path down
rsync -a "$PRIMARY_WWW_FQDN:$REMOTE_BACKUP_PATH/" "$LOCAL_BACKUP_PATH/"