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June 6, 2016 22:43
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| #!/usr/bin/env python | |
| # webhook.py | |
| # | |
| # Copyright (C) 2016 Intel Corporation | |
| # | |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License version 2 as | |
| # published by the Free Software Foundation. | |
| # | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # | |
| # You should have received a copy of the GNU General Public License along | |
| # with this program; if not, write to the Free Software Foundation, Inc., | |
| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| import socket | |
| import os | |
| from http.server import BaseHTTPRequestHandler, HTTPServer | |
| class SocketEnvironmentError(Exception): | |
| pass | |
| # Same as HTTPServer, just requires you to pass in a socket or for it to get | |
| # one from the environment. | |
| class HTTPServerInherit(HTTPServer): | |
| def __init__(self, *args, **kwargs): | |
| newsocket = self._get_socket_from_systemd() | |
| # Since we can't prevent the server from creating a socket, just close | |
| # it and use the new one before activating the server. | |
| super().__init__(*args, bind_and_activate=False, **kwargs) | |
| self.socket.close() | |
| self.socket = newsocket | |
| def _get_socket_from_systemd(self): | |
| if 'LISTEN_PID' in os.environ: | |
| if os.environ['LISTEN_PID'] != str(os.getpid()): | |
| raise SocketEnvironmentError("LISTEN_PID not correct") | |
| else: | |
| raise SocketEnvironmentError("LISTEN_PID not in environment") | |
| # Macro typically specified by systemd code | |
| SD_LISTEN_FDS_START = 3 | |
| return socket.socket(fileno=SD_LISTEN_FDS_START) | |
| class PostHandler(BaseHTTPRequestHandler): | |
| def do_POST(self): | |
| length = int(self.headers.get('Content-Length')) | |
| if not length: | |
| self.send_response(400, 'foo not in headers') | |
| self.end_headers() | |
| else: | |
| print(self.rfile.read(length)) | |
| self.send_response(200, 'OK') | |
| self.end_headers() | |
| if __name__ == "__main__": | |
| try: | |
| httpd = HTTPServerInherit(("127.0.0.1", 18000), PostHandler) | |
| httpd.serve_forever() | |
| except SocketEnvironmentError as e: | |
| print(e) |
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