Sets EDXAPP_ENTERPRISE_*_ENROLLMENT_API_URL to ansible vars

Adds EDXAPP_ENTERPRISE_ENROLLMENT_API_URL and EDXAPP_ENTERPRISE_PUBLIC_ENROLLMENT_API_URL

to the ansible template, with defaults that will work for appservers like ours that sit behind an ssl-terminating load balancer.

Dependencies:

This PR can merge without these others, but requires them to function effectively:

• https://github.com/edx/edx-platform/pull/14671
• https://github.com/edx/edx-enterprise/pull/67
• https://github.com/edx/configuration/pull/3748

Sandbox URL: sandbox is being provisioned.

• LMS: https://pr14671.sandbox.opencraft.hosting/
• Studio: https://studio-pr14671.sandbox.opencraft.hosting/

Testing instructions:

1. Create an new OCIM instance using this branch, and these settings:

• edx-platform: open-craft:jill/ent-test-public-enrollment-api-url: https://github.com/edx/edx-platform/pull/14671 + installs https://github.com/edx/edx-enterprise/pull/67 (compare)
• configuration: open-craft/jill/enterprise-enrollment-api-url

1. Launch an appserver, and wait for it to provision.
2. Navigate to the LMS Admin, and add an EnterpriseCustomer.
3. Edit the EnterpriseCustomer, and click on Manage Learners
4. Enrol a user into course-v1:edX+DemoX+Demo_Course
5. Note that the Course enrolment mode drop-down gets populated with Audit.
6. Submit the enrolment, and note that it's accepted by the server.

Reviewers

• @haikuginger