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80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
#!/usr/bin/env python
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import os
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import sys
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import ssl
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import signal
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import time
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import logging
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import threading
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import http.client
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from watchdog.events import FileSystemEventHandler
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from watchdog.observers import Observer
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from urllib.parse import urlparse
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ca_certs = '/var/run/autocert.step.sm/root.crt'
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cert_file = '/var/run/autocert.step.sm/site.crt'
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key_file = '/var/run/autocert.step.sm/site.key'
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# RenewHandler is an even file system event handler that reloads the certs in
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# the context when a file is modified.
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class RenewHandler(FileSystemEventHandler):
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def __init__(self, ctx):
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self.ctx = ctx
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super().__init__()
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def on_modified(self, event):
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logging.info("reloading certs ...")
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ctx.load_cert_chain(cert_file, key_file)
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# Monitor is a thread that watches for changes in a path and calls to the
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# RenewHandler when a file is modified.
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class Monitor(threading.Thread):
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def __init__(self, handler, path):
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super().__init__()
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self.handler = handler
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self.path = path
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def run(self):
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observer = Observer()
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observer.schedule(self.handler, self.path)
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observer.start()
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# Signal handler
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def handler(signum, frame):
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print("exiting ...")
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sys.exit(0)
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO, format='%(asctime)s %(message)s')
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# Start signal handler to exit
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signal.signal(signal.SIGTERM, handler)
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# url from the environment
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url = urlparse(os.environ['HELLO_MTLS_URL'])
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# ssl context
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
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ctx.set_ciphers('ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256')
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ctx.load_verify_locations(ca_certs)
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ctx.load_cert_chain(cert_file, key_file)
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# initialize the renewer with the ssl context
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renewer = RenewHandler(ctx)
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# start file monitor
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monitor = Monitor(renewer, os.path.dirname(cert_file))
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monitor.start()
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# Do requests
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while True:
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try:
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conn = http.client.HTTPSConnection(url.netloc, context=ctx)
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conn.request("GET", url.path)
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r = conn.getresponse()
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data = r.read()
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logging.info("%d - %s - %s", r.status, r.reason, data)
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except Exception as err:
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print('Something went wrong:', err)
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time.sleep(5)
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