#!/bin/bash
# felhom-backup-failmail — mail admin@ that a Felhom backup unit on DooPlex failed (R-232 (a) route, reused).
# Called by felhom-backup-failmail@<unit>.service, which the backup units name in OnFailure=.
# Reuses notify_failure from /opt/backup/scripts/backup-config.sh (Resend; never prints the key; never fails).
# No `set -u`: backup-config.sh reads unset variables (NOTIFY_WEBHOOK_URL), which killed the first dry run.
UNIT=${1:?unit name}
CONFIG=${FELHOM_FAILMAIL_CONFIG:-/opt/backup/scripts/backup-config.sh}
# shellcheck source=/dev/null
. "$CONFIG"
notify_failure "systemd unit ${UNIT} failed on $(hostname) — see: journalctl -u ${UNIT}"