Merge PR #33058 into master

* refs/pull/33058/head:
	mgr/cephadm: enforce that a host is a valid DNS name
	mgr/cephadm: verify host's hostname matches our host name
	cephadm: check-host: add optional --expect-hostname

Reviewed-by: Michael Fritch <mfritch@suse.com>
Reviewed-by: Ernesto Puerta <epuertat@redhat.com>

diff --cc src/cephadm/cephadm
Simple merge

diff --cc src/pybind/mgr/cephadm/module.py
Simple merge