This is part of the PR to merge dashboard-ansible and ceph-ansible:
With ceph version 14.2.4-85.el8cp ,Ceph-ansible deploys the alertmanager as per the comment in the description.
Moving this BZ to verified.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.