add driveripper notes

active/device_driveripper/email-filesystem-stats.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -x
+
+export EMAIL_FILE=/root/filesystem-usage-email.txt
+export EMAIL_TO=admin@ducoterra.net
+
+printf "Subject: Driveripper Filesystem Usage\n\nTo: ${EMAIL_TO}\n\n" > ${EMAIL_FILE}
+
+printf "Pool 0\n" >> ${EMAIL_FILE}
+btrfs filesystem usage /btrfs/pool0 >> ${EMAIL_FILE}
+
+printf "\nPool 1\n" >> ${EMAIL_FILE}
+btrfs filesystem usage /btrfs/pool1 >> ${EMAIL_FILE}
+
+printf "\nBackup 0\n" >> ${EMAIL_FILE}
+btrfs filesystem usage /btrfs/backup0 >> ${EMAIL_FILE}
+
+cat ${EMAIL_FILE} | msmtp ${EMAIL_TO}