#!/bin/sh
set -eu

echo "running backup job"
date -Iminutes

if [ ! -d ~/.ssh ]; then echo "error: $(realpath ~/.ssh) directory does not exist"; exit 1; fi

host_ip=$(ip r | head -1 | cut -d' ' -f3 | tr -d '\n')
host=root@"$host_ip"
remote=root@truenas.lab.home

if ! ssh -q "$host" exit; then echo "error: not able to ssh into host of container $host"; exit 1; fi
if ! ssh -q "$remote" exit; then echo "error: not able to ssh into backup remote $remote"; exit 1; fi

hostname=$(ssh "$host" hostname | tr -d '\n')
remote_dataset=Mass-Storage-New/Backup/$hostname
zfs_prop_name="nas" # autobackup:nas = true

zfs-autobackup \
--snapshot-format "{}_%Y-%m-%d_%H-%M_%S" \
--encrypt \
--ssh-source "$host" \
--ssh-target "$remote" \
"$zfs_prop_name" \
"$remote_dataset"

echo "ran backup job"
date -Iminutes