systemd service to email status of systemd services

systemd-status-notify.fish

#!/usr/bin/env fish
if test (count $argv) -lt 1
  echo "Usage: $(status --current-filename) <systemd unit>"
  exit 1
end

set sstatus (systemctl --full --lines 0 status $argv[1] | string collect); or exit
set log (journalctl -b -n 50 -u $argv[1] | string collect); or exit
if systemctl -q is-failed $argv[1]
        set prefix Failed
else
        set prefix Status of
end

set message "\
Subject: $prefix systemd service on $(hostname): $argv[1]
Content-Type: text/plain; charset=UTF-8

$sstatus

$log
"
echo $message | sendmail root

[email protected]

[Unit]
Description=Send an email with the status of %i

[Service]
Type=oneshot
ExecStart=/usr/local/libexec/systemd-status-notify.fish %i