Description of change
The following just ensure that we upload the cert once, so that we can reason about what certificates are in flight at anyone time.
This will help with multiple certificates error
QA steps
sh
juju add-cloud lxd ~/path/clouds.yaml
juju add-credential lxd -f ~/path/creds.yaml
juju remove-credential lxd lxd
juju add-credential lxd -f ~/path/creds.yaml
Documentation changes
N/A
Bug reference
This is step one of many to fix: https://bugs.launchpad.net/juju/+bug/1786276
该提问来源于开源项目：juju/juju
