tox molecule|linters jobs are timing out on tripleo-quickstart-extras

[chandan kumar]

https://zuul.opendev.org/t/openstack/builds?job_name=openstack-tox-linters&project=openstack/tripleo-quickstart-extras and https://zuul.opendev.org/t/openstack/builds?job_name=openstack-tox-molecule&project=openstack/tripleo-quickstart-extras are timing out from 27th Dec.

tox -e linters are finishing successfully but ansible shell is not existing.
https://storage.bhs.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_826/868677/1/check/openstack-tox-molecule/82661ff/job-output.txt
```
 ubuntu-jammy | molecule installed: ansi2html==1.8.0,ansible==4.10.0,ansible-core==2.11.12,arrow==1.2.3,attrs==22.2.0,bcrypt==4.0.1,binaryornot==0.4.4,Cerberus==1.3.4,certifi==2022.12.7,cffi==1.15.1,chardet==5.1.0,charset-normalizer==2.1.1,click==8.1.3,click-completion==0.5.2,click-help-colors==0.9.1,colorama==0.4.6,cookiecutter==2.1.1,coverage==7.0.1,cryptography==38.0.4,distro==1.8.0,docker==6.0.1,exceptiongroup==1.1.0,fasteners==0.18,idna==3.4,iniconfig==1.1.1,Jinja2==3.1.2,jinja2-time==0.2.0,MarkupSafe==2.1.1,mock==4.0.3,molecule==3.0.8,more-itertools==9.0.0,packaging==22.0,paramiko==2.12.0,pathspec==0.10.3,pexpect==4.8.0,pluggy==0.13.1,ptyprocess==0.7.0,py==1.11.0,pycparser==2.21,PyNaCl==1.5.0,pytest==7.2.0,pytest-cov==4.0.0,pytest-html==3.2.0,pytest-metadata==2.0.4,pytest-molecule==1.3.0,pytest-plus==0.4.0,python-dateutil==2.8.2,python-gilt==1.2.3,python-slugify==7.0.0,PyYAML==5.4.1,requests==2.28.1,resolvelib==0.5.4,selinux==0.3.0,sh==1.13.1,shellingham==1.5.0,six==1.16.0,tabulate==0.9.0,text-unidecode==1.3,tomli==2.0.1,tree-format==0.1.2,-e git+file:///dev/null@6d250182278bf686d5120f5c5863d1ee24bccb41#egg=tripleo_quickstart_extras,urllib3==1.26.13,websocket-client==1.4.2,yamllint==1.28.0
2022-12-27 12:10:26.170501 | ubuntu-jammy | ___________________________________ summary ____________________________________
2022-12-27 12:10:26.170508 | ubuntu-jammy | molecule: skipped tests
2022-12-27 12:10:26.170514 | ubuntu-jammy | congratulations :)
2022-12-27 12:31:44.230200 | RUN END RESULT_TIMED_OUT: [untrusted : opendev.org/zuul/zuul-jobs/playbooks/tox/run.yaml@master]
2022-12-27 12:31:44.236639 | POST-RUN START: [untrusted : opendev.org/openstack/openstack-zuul-jobs/playbooks/tox-molecule/post.yaml@master]
```
from the logs, mol finished at 2022-12-27 12:10:26 and job time out at 2022-12-27 12:31:44.

It seems the tox job is hanging out.
The last passing job has runned on 22nd Dec.[1]
[1]. https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_824/868210/6/check/openstack-tox-molecule/82411c1/job-output.txt

In this month, tox-4 landed. Not sure it might be linked with that.
It is blocking the TQE patches.

[chandan kumar (chkumar246)]

List of failing timeout logs:
molecule job
- https://zuul.opendev.org/t/openstack/build/82661fff0ff5478faa10e9ed26242b27
- https://zuul.opendev.org/t/openstack/build/a03b7fb09cfb4a31b19e754a3d6ff2a7
- https://zuul.opendev.org/t/openstack/build/62cfdf43072c4fbfbc5d510d70801341
linters job
- https://zuul.opendev.org/t/openstack/build/484d7b59755a4a7895ebc54288a77180
- https://zuul.opendev.org/t/openstack/build/cc67b5a10aad4f6397c74fa62b4c2397
- https://zuul.opendev.org/t/openstack/build/a0d483b1d6cb4c328286e4b90c0f53b9

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/tripleo-quickstart-extras/+/868741
Committed: https://opendev.org/openstack/tripleo-quickstart-extras/commit/b4669d9f7492a7a9ecf7ea54a328ed9fe146de30
Submitter: "Zuul (22348)"
Branch: master

commit b4669d9f7492a7a9ecf7ea54a328ed9fe146de30
Author: Chandan Kumar <email address hidden>
Date: Wed Dec 28 13:03:19 2022 +0530

    Use tox-4 for linters and Molecules

    It removes following things:
    - skipdist option
    - updates whitelist_externals to allowlist_externals
    - Drops tox-bindep as it does not support tox-4
    - Tox-4 also includes fix for hanging issue:
      https://github.com/tox-dev/tox/issues/2595

    bindep is quite stable and tox-4 is around from long
    time and tox-bindep last got released on jan 2021. [1]
    https://github.com/tox-dev/tox-bindep/releases/tag/0.2.1

    So, We are dropping it.

    Closes-Bug: #2000622

    Signed-off-by: Chandan Kumar <email address hidden>
    Change-Id: Ia7f8a4dd970ac76322adadc0698ac1c14aa87180