LinuxGSM/lgsm/functions/alert_telegram.sh

#!/bin/bash
# LinuxGSM alert_telegram.sh function
# Author: Bennet Becker <bennet@becker-dd.de>
# Website: https://bytegaming.de
# Description: Sends Telegram Messenger alert.

functionselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"

escaped_servername=$(echo -n "${servername}" | jq -sRr "@json")
escaped_alertbody=$(echo -n "${alertbody}" | jq -sRr "@json")

json=$(cat <<EOF
{
  "chat_id": "${telegramchatid}",
  "parse_mode": "HTML",
  "text": "<b>${alertemoji} ${alertsubject} ${alertemoji}</b>\n\n<b>Message</b>\n${escaped_alertbody}\n\n<b>Game</b>\n${gamename}\n\n<b>Server name</b>\n${escaped_servername}\n\n<b>Hostname</b>\n${HOSTNAME}\n\n<b>Server IP</b>\n<a href='https://www.gametracker.com/server_info/${alertip}:${port}'>${alertip}:${port}</a>\n\n<b>More info</b>\n<a href='${alerturl}'>${alerturl}</a>",
  "disable_web_page_preview": "yes",
EOF
)

fn_print_dots "Sending Telegram alert"
telegramsend=$(curl -sSL -H "Content-Type: application/json" -X POST -d """${json}""" ${curlcustomstring} "https://api.telegram.org/bot${telegramtoken}/sendMessage" | grep "error_code")

if [ "${telegramsend}" ]; then
  fn_print_fail_nl "Sending Telegram alert: ${telegramsend}"
  fn_script_log_fatal "Sending Telegram alert: ${telegramsend}"
else
  fn_print_ok_nl "Sending Telegram alert"
  fn_script_log_pass "Sent Telegram alert"
fi