#!/bin/bash

# Email logs of failed e2scrub unit runs when the systemd service fails.

recipient="$1"
test -z "${recipient}" && exit 0
device="$2"
test -z "${device}" && exit 0
hostname="$(hostname -f 2>/dev/null)"
test -z "${hostname}" && hostname="${HOSTNAME}"
if ! type sendmail > /dev/null 2>&1; then
	echo "$0: sendmail program not found."
	exit 1
fi

(cat << ENDL
To: $1
From: <e2scrub@${hostname}>
Subject: e2scrub failure on ${device}

So sorry, the automatic e2scrub of ${device} on ${hostname} failed.

A log of what happened follows:
ENDL
systemctl status --full --lines 4294967295 "e2scrub@${device}") | sendmail -t -i