Read from GCP Pub/Sub and publish to Google Chat webhook (used to send alerts)

main.py

import os
from json import dumps
from httplib2 import Http
import base64
def main(event, context):
    url = os.environ['WEBHOOK_URL']
    bot_message = {
        'text' : base64.b64decode(event['data']).decode('utf-8')}
    message_headers = {'Content-Type': 'application/json; charset=UTF-8'}
    http_obj = Http()
    response = http_obj.request(
        uri=url,
        method='POST',
        headers=message_headers,
        body=dumps(bot_message),
    )
if __name__ == '__main__':
    main()