This change will now use an ansible playbook to parse the horizon URL
information from a heat stack and return the connection string
accordingly.
Story: 2007212
Task: 38429
Depends-On: https://review.opendev.org/#/c/706196/
Depends-On: I85cb99d47cf3cb4f3093fc856e9f6892115ff5ef
Change-Id: I78e68147fc30ff4d71edb023f553219d553b53a6
Signed-off-by: Kevin Carter <kecarter@redhat.com>