Docs/docs/services/lxc208-manage/alert/matrix-relay.py

82 lines
2.4 KiB
Python

#!/usr/bin/env python3
import sys
sys.path.insert(0, '/usr/local/bin')
import json
import logging
from http.server import HTTPServer, BaseHTTPRequestHandler
from typing import Dict
from alerts.matrix import send_matrix
from alerts.grafana import process_grafana
from alerts.pbs import detect_backup_source, process_backup
from alerts.config import PORT
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)
class WebhookHandler(BaseHTTPRequestHandler):
def log_message(self, format, *args):
logger.info("%s - %s", self.address_string(), format % args)
def do_POST(self):
try:
content_length = int(self.headers.get('Content-Length', 0))
body = self.rfile.read(content_length).decode('utf-8')
try:
obj = json.loads(body)
except json.JSONDecodeError as e:
logger.error("JSON parse error: %s", e)
self.send_error(400, "Invalid JSON")
return
self.process_webhook(obj)
self.send_response(200)
self.send_header('Content-Type', 'text/plain')
self.end_headers()
self.wfile.write(b"OK")
except Exception as e:
logger.exception("Error processing request")
self.send_error(500, "Internal Server Error")
def process_webhook(self, obj: Dict) -> None:
source = detect_backup_source(obj)
if source:
logger.info("Processing backup notification (source=%s)", source.value)
process_backup(obj, send_matrix, source)
return
if "alerts" in obj:
alerts = obj["alerts"]
logger.info("Processing Grafana alerts: %d items", len(alerts))
process_grafana({"alerts": alerts}, send_matrix)
return
logger.warning("Unknown webhook type")
send_matrix(
"<b>Webhook received</b><br><br><pre>" +
json.dumps(obj, ensure_ascii=False, indent=2) +
"</pre>"
)
def main():
server = HTTPServer(("0.0.0.0", PORT), WebhookHandler)
logger.info("Matrix Relay started on port %s", PORT)
try:
server.serve_forever()
except KeyboardInterrupt:
logger.info("Shutting down...")
server.shutdown()
if __name__ == "__main__":
main()