Receive Pub/Sub events at an internal HTTP endpoint in a VPC network

Creates an internal HTTP endpoint in a Virtual Private Cloud (VPC) network that receives Pub/Sub message events using Eventarc.

Explore further

For detailed documentation that includes this code sample, see the following:

• Receive Pub/Sub events at an internal HTTP endpoint in a VPC network

Code sample

Python

To authenticate to Eventarc, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

#!/usr/bin/env python3
from http.server import BaseHTTPRequestHandler, HTTPServer
import logging

class S(BaseHTTPRequestHandler):
    def _set_response(self):
        self.send_response(200)
        self.send_header('Content-type', 'text/html')
        self.end_headers()

    def do_GET(self):
        logging.info("GET request,\nPath: %s\nHeaders:\n%s\n", str(self.path), str(self.headers))
        self._set_response()
        self.wfile.write("GET request for {}".format(self.path).encode('utf-8'))

    def do_POST(self):
        content_length = int(self.headers['Content-Length'])
        post_data = self.rfile.read(content_length)
        logging.info("POST request,\nPath: %s\nHeaders:\n%s\n\nBody:\n%s\n",
                str(self.path), str(self.headers), post_data.decode('utf-8'))

        self._set_response()
        self.wfile.write("POST request for {}".format(self.path).encode('utf-8'))

def run(server_class=HTTPServer, handler_class=S, port=80):
    logging.basicConfig(level=logging.INFO)
    server_address = ('', port)
    http_server = server_class(server_address, handler_class)
    logging.info('Starting HTTP Server at port %d...\n', port)
    try:
        http_server.serve_forever()
    except KeyboardInterrupt:
        pass
    http_server.server_close()
    logging.info('Stopping HTTP Server...\n')

if __name__ == '__main__':
    from sys import argv

    if len(argv) == 2:
        run(port=int(argv[1]))
    else:
        run()

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