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WIP on adding a random sleep for noninteractive renewal

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This commit is contained in:
Seth Schoen 2018-09-24 16:56:30 -07:00
parent 15932dcafc
commit 3c57f47856
1 changed files with 10 additions and 0 deletions
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10
certbot/main.py
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@ -4,7 +4,9 @@ from __future__ import print_function
import functools
import logging.handlers
import os
import random
import sys
import time
import configobj
import josepy as jose
@ -1273,6 +1275,14 @@ def renew(config, unused_plugins):
:rtype: None
"""
if not sys.stdout.isatty():
# Noninteractive renewals include a random delay in order to spread
# out the load on the certificate authority servers, even if many
# users all pick the same time for renewals. This delay precedes
# running any hooks, so that side effects of the hooks (such as
# shutting down a web service) aren't prolonged unnecessarily.
time.sleep(random.randint(1, 60*8))
try:
renewal.handle_renewal_request(config)
finally: