Comment 20 for bug 1924816

Applying the workaround above worked for me. Focal/Ussuri deployment.

Workaround :

juju ssh openstack-service-checks/0

sudo vi /var/lib/juju/agents/unit-openstack-service-checks-2/.venv/lib/python3.8/site-packages/certifi/core.py

#!/usr/bin/env python3

def where():
    return "/etc/ssl/certs/ca-certificates.crt"

def contents():
    with open(where()) as f:
        return f.read()

systemctl restart jujud-unit-openstack-service-checks-$N.service