Simple telegram bot for alertmanager webhook alerting

alertmanager-bot-telegram.py

#!python
# coding: utf-8

from sanic import Sanic
from sanic.response import json
from telegram import Bot

TOKEN = 'bot token'
CHAT_ID = 'chat id'

emoji_map = {
    "resolved": "✅",
    "firing": "🔥",
}

bot = Bot(TOKEN)

app = Sanic()

@app.route("/")
async def test(request):
    return json({"status": "ok"})

#
# Sample Alert:
#
# {
# 	"receiver": "alertmananger-bot",
# 	"status": "firing",
# 	"alerts": [{
# 		"status": "firing",
# 		"labels": {
# 			"alertname": "main_site",
# 			"instance": "https://site.tld",
# 			"job": "blackbox-domaintest",
# 			"monitor": "monitoring",
# 			"severity": "critical"
# 		},
# 		"annotations": {
# 			"description": "Site down: https://site.tld",
# 			"summary": "Site down: https://site.tld"
# 		},
# 		"startsAt": "2019-01-21T12:32:02.491139969Z",
# 		"endsAt": "2019-01-21T12:35:02.491139969Z",
# 		"generatorURL": "http://51900cf0db25:9090/graph?g0.expr=probe_success+%21%3D+1&g0.tab=1"
# 	}],
# 	"groupLabels": {},
# 	"commonLabels": {
# 		"alertname": "main_site",
# 		"instance": "https://site.tld",
# 		"job": "blackbox-domaintest",
# 		"monitor": "monitoring",
# 		"severity": "critical"
# 	},
# 	"commonAnnotations": {
# 		"description": "Site down: https://site.tld",
# 		"summary": "Site down: https://site.tld"
# 	},
# 	"externalURL": "http://77ae3b802079:9093",
# 	"version": "4",
# 	"groupKey": "{}:{}"
# }


@app.route("/alert-webhook", methods=["POST",])
async def alert_webhook(request):
    # print('RECEIVED: ', request.json)
    
    for alert in request.json.get('alerts', []):
        icon = emoji_map.get(alert.get('status'), '')

        message = """{} {}, name={} for instance={}

{}
        """.format(
            icon, 
            alert['status'],
            alert['labels'].get('alertname', ''), 
            alert['labels'].get('instance', ''), 
            alert['annotations'].get('description'),
        )
        
        bot.send_message(CHAT_ID, message, disable_web_page_preview=True, )

    return json({"status": "ok"})

if __name__ == "__main__":
    bot.send_message(CHAT_ID, "Shields up, weapons online!", disable_web_page_preview=True, )
    app.run(host="0.0.0.0", port=8000)

pip requirements:

sanic
python-telegram-bot