Title: #5551: [Backport][ipa-4-9] Set the ACME baseURL in order to pin a client to a
single IPA server
This PR was opened automatically because PR #5531 was pushed to master and backport to
ipa-4-9 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5551/head:pr5551
git checkout pr5551