Merge pull request #37952 from mgfritch/cephadm-json-decode

mgr/cephadm: handle JSONDecodeError

Reviewed-by: Juan Miguel Olmo Martínez <jolmomar@redhat.com>
Reviewed-by: Sebastian Wagner <sebastian.wagner@suse.com>

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

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

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