Check status of systemd services

service_status.sh

#!/bin/bash

URL="https://freedomnode.com/server-maintenance"

if [ "`wget -qO- $URL | sed -e 's/<[^>]*>//g' 2> /dev/null`" != "true" ]; then
  SERVICES=(bitcoind lnd monerod btcpayserver nbxplorer thunderhub electrs tor nginx)
  TITLE="Services alert!"
  MESSAGE=""

  for SERVICE in "${SERVICES[@]}"
  do
    STATUS=$(systemctl is-active $SERVICE)

    if [ "$STATUS" != "active" ]; then
      MESSAGE+="$SERVICE: <font color=\"#DC143C\">$STATUS</font> <br>"
    fi
  done

  echo $MESSAGE

  if [ ! -z "$MESSAGE" ];then
    pushover "$TITLE" "$MESSAGE"
  fi
fi