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#!/usr/bin/python3
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import os
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import time
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import subprocess
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command = [
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"certbot",
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"-n", "--agree-tos", # non-interactive
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"-d", os.environ["HOSTNAMES"],
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"-m", "{}@{}".format(os.environ["POSTMASTER"], os.environ["DOMAIN"]),
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"certonly", "--standalone",
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"--cert-name", "mailu",
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"--preferred-challenges", "http", "--http-01-port", "8008",
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"--keep-until-expiring",
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"--rsa-key-size", "4096",
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"--config-dir", "/certs/letsencrypt",
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"--post-hook", "/config.py"
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]
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# Wait for nginx to start
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time.sleep(5)
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# Run certbot every hour
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while True:
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subprocess.call(command)
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time.sleep(3600)
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