coredumptest

coredumptest.py

#!/usr/bin/python3
import os
import signal
import socket
import time
from selectors import DefaultSelector, EVENT_READ
from http.server import HTTPServer, SimpleHTTPRequestHandler

interrupt_read, interrupt_write = socket.socketpair()

def handler(signum, frame):
    print('Signal handler called with signal', signum)
    interrupt_write.send(b'\0')
signal.signal(signal.SIGTERM, handler)

def serve_forever(httpd):
    sel = DefaultSelector()
    sel.register(interrupt_read, EVENT_READ)
    sel.register(httpd, EVENT_READ)

    while True:
        for key, _ in sel.select():
            if key.fileobj == interrupt_read:
                interrupt_read.recv(1)
                return
            if key.fileobj == httpd:
                httpd.handle_request()

print("Serving on port 8000")
httpd = HTTPServer(('', 8000), SimpleHTTPRequestHandler)
serve_forever(httpd)
time.sleep(100)
os.kill(os.getpid(), signal.SIGSEGV)
print("Shutdown...")

coredumptest.service

[Unit]
Description=coredumptest

[Service]
ExecStart=/usr/local/bin/coredumptest.py
TimeoutStopSec=900

[Install]
WantedBy=multi-user.target