gistfile1.py

#!/usr/bin/env python
import socket
import subprocess
 
SYSLOG_HOST = "graylog2.local"
SYSLOG_PORT = 514
LOG_FILE = "/var/log/nginx/access.log"
 
pipe = subprocess.Popen(["tail", "-n0", "-F", "-q", LOG_FILE], stdout=subprocess.PIPE).stdout
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
while True:
        line = pipe.readline()
        if not line:
                break
        line = line.rstrip()
        message = "<181>nginx: "+line # 181 is local6 (reverse engineered)
        sock.sendto(message, (SYSLOG_HOST, SYSLOG_PORT))