matrix-alertbot/matrix_alertbot/webhook.py
2022-07-06 00:54:13 +02:00

80 lines
2.3 KiB
Python

import logging
from aiohttp import web, web_request
from diskcache import Cache
from nio import AsyncClient, SendRetryError
from matrix_alertbot.chat_functions import send_text_to_room
from matrix_alertbot.config import Config
from matrix_alertbot.storage import Alert
logger = logging.getLogger(__name__)
routes = web.RouteTableDef()
@routes.post("/alert")
async def create_alert(request: web_request.Request) -> web.Response:
data = await request.json()
logger.info(f"Received alert: {data}")
client: AsyncClient = request.app["client"]
config: Config = request.app["config"]
cache: Cache = request.app["cache"]
plaintext = ""
html = ""
for i, alert in enumerate(data["alerts"]):
alert = Alert.from_dict(alert)
if i != 0:
plaintext += "\n"
html += "<br/>\n"
plaintext += alert.plaintext()
html += alert.html()
try:
event = await send_text_to_room(
client, config.room, plaintext, html, notice=False
)
except SendRetryError as e:
logger.error(e)
return web.Response(status=500)
fingerprints = tuple(alert["fingerprint"] for alert in data["alerts"])
cache.set(
event.event_id, fingerprints, expire=config.cache_expire_time, tag="event"
)
return web.Response(status=200)
class Webhook:
def __init__(self, client: AsyncClient, config: Config) -> None:
cache = Cache(config.cache_dir)
self.app = web.Application(logger=logger)
self.app["client"] = client
self.app["config"] = config
self.app["cache"] = cache
self.app.add_routes(routes)
self.runner = web.AppRunner(self.app)
self.config = config
self.address = config.address
self.port = config.port
self.socket = config.socket
async def start(self) -> None:
await self.runner.setup()
site: web.BaseSite
if self.address and self.port:
site = web.TCPSite(self.runner, self.address, self.port)
logger.info(f"Listenning on {self.address}:{self.port}")
elif self.socket:
site = web.UnixSite(self.runner, self.socket)
logger.info(f"Listenning on unix://{self.socket}")
await site.start()
async def close(self) -> None:
await self.runner.cleanup()