Add a script to decrypt and mount disks on the home server.

ansible/roles/homeserver/files/decrypt_disks.bash

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+# Decrypt and mount the disks after a fresh reboot.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+zfs load-key -r zmass/encrypted
+zfs mount -a
+service bemount start