Public bug reported:
After upgrading to ubuntu 20.04 certbot fails to create new
certificates:
$ certbot renew --dry-run
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/certbot/renewal.py", line 449, in
handle_renewal_request
main.renew_cert(lineage_config, plugins, renewal_candidate)
File "/usr/lib/python3/dist-packages/certbot/main.py", line 1208, in
renew_cert
renewed_lineage = _get_and_save_cert(le_client, config, lineage=lineage)
File "/usr/lib/python3/dist-packages/certbot/main.py", line 116, in
_get_and_save_cert
renewal.renew_cert(config, domains, le_client, lineage)
File "/usr/lib/python3/dist-packages/certbot/renewal.py", line 307, in
renew_cert
new_cert, new_chain, new_key, _ = le_client.obtain_certificate(domains,
new_key)
File "/usr/lib/python3/dist-packages/certbot/client.py", line 348, in
obtain_certificate
orderr = self._get_order_and_authorizations(csr.data,
self.config.allow_subset_of_names)
File "/usr/lib/python3/dist-packages/certbot/client.py", line 396, in
_get_order_and_authorizations
authzr = self.auth_handler.handle_authorizations(orderr, best_effort)
File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 62, in
handle_authorizations
achalls = self._choose_challenges(authzrs)
File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 206, in
_choose_challenges
self._get_chall_pref(authzr.body.identifier.value),
File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 221, in
_get_chall_pref
plugin_pref = self.auth.get_chall_pref(domain)
File "/usr/lib/python3/dist-packages/certbot_nginx/configurator.py", line
1110, in get_chall_pref
return [challenges.HTTP01, challenges.TLSSNI01]
AttributeError: module 'acme.challenges' has no attribute 'TLSSNI01'
/etc/letsencrypt/renewal/host.conf:
# renew_before_expiry = 30 days
version = 0.36.0
archive_dir = /etc/letsencrypt/archive/host
cert = /etc/letsencrypt/live/host/cert.pem
privkey = /etc/letsencrypt/live/host/privkey.pem
chain = /etc/letsencrypt/live/host/chain.pem
fullchain = /etc/letsencrypt/live/host/fullchain.pem
# Options used in the renewal process
[renewalparams]
account = abcdef1234567890
authenticator = nginx
installer = nginx
server = https://acme-v02.api.letsencrypt.org/directory
$ dpkg -l|grep certbot
ii certbot 0.40.0-1 all
automatically configure HTTPS using Let's Encrypt
ii python3-certbot 0.40.0-1 all
main library for certbot
ii python3-certbot-nginx 0.39.0-1 all
Nginx plugin for Certbot
** Affects: python-certbot (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1875502
Title:
error: module 'acme. challenges' has no attribute 'TLSSNI01'
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