[Bug 2023165] Re: carbon-cache not starting because python3-openssl throws error _lib.OpenSSL_add_all_algorithms()

[Thomas Hoffmann]

Short additional note:
It's similar to https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/2004477
My expectance would be: If everything comes from the same ubuntu repository, I get a consistent set of tools which work together.
I am aware that this is not always possible but maybe there is a chance to backport the fix for this issue.

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Title:
  carbon-cache not starting because python3-openssl throws error
  _lib.OpenSSL_add_all_algorithms()

Status in openssl package in Ubuntu:
  New

Bug description:
  1) ubuntu release:
  We are using Ubuntu 22.04 LTS:
  Description:    Ubuntu 22.04.2 LTS
  Release:        22.04

  2) packages:
  We have the following packages installed:
  graphite-carbon/jammy,jammy,now 1.1.7-1 all
  python3-openssl/jammy,jammy,now 21.0.0-1 all
  OpenSSL: OpenSSL 3.0.2 15 Mar 2022 (Library: OpenSSL 3.0.2 15 Mar 2022)

  3) Expected result
  The carbon cache should start if all dependent packages are from the same repository.

  4) observed issue
  Since the last OpenSSL update this week via the ubuntu repository, the carbon-cache service is not starting any more.
  The error message is:

  Jun  7 09:22:59 icinga2 systemd[1]: Starting Graphite Carbon Cache...
  Jun  7 09:23:00 icinga2 carbon-cache[191566]: Traceback (most recent call last):
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:   File "/usr/bin/carbon-cache", line 28, in <module>
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:     from carbon.util import run_twistd_plugin  # noqa
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:   File "/usr/lib/python3/dist-packages/carbon/util.py", line 19, in <module>
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:     from OpenSSL import SSL
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:   File "/usr/local/lib/python3.10/dist-packages/OpenSSL/__init__.py", line 8, in <module>
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:     from OpenSSL import crypto, SSL
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:   File "/usr/local/lib/python3.10/dist-packages/OpenSSL/crypto.py", line 3268, in <module>
  Jun  7 09:23:00 icinga2 carbon-cache[191566]:     _lib.OpenSSL_add_all_algorithms()
  Jun  7 09:23:00 icinga2 carbon-cache[191566]: AttributeError: module 'lib' has no attribute 'OpenSSL_add_all_algorithms'

  According to https://levelup.gitconnected.com/fix-attributeerror-module-lib-has-no-attribute-openssl-521a35d83769 the python module pyopenssl needs to be > 22.1.0
  Ubuntu 22.04 LTS ships with version 22.0.0.
  It seems, that the python3-openssl is not working well with the most recent openSSL version of Ubuntu 22.04.

  I could update pyopenssl with pip but this might break the update
  mechanism of apt.

  Any suggestions are appreciated, thanks!
  If I can provide further information, just let me know.

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