Bug #47760
Updated by Nathan Cutler over 3 years ago
<pre>
debug 2020-10-06T07:07:33.947+0000 7f428c827700 -1 log_channel(cephadm) log [ERR] : executing refresh((['master'],)) failed.
Traceback (most recent call last):
File "/usr/share/ceph/mgr/cephadm/utils.py", line 62, in do_work
return f(*arg)
File "/usr/share/ceph/mgr/cephadm/module.py", line 1450, in refresh
r = self._refresh_host_devices(host)
File "/usr/share/ceph/mgr/cephadm/module.py", line 1575, in _refresh_host_devices
self.update_osdspec_previews(host)
File "/usr/share/ceph/mgr/cephadm/module.py", line 1413, in update_osdspec_previews
previews.extend(self.osd_service.get_previews(search_host))
File "/usr/share/ceph/mgr/cephadm/services/osd.py", line 157, in get_previews
return self.generate_previews(osdspecs, host)
File "/usr/share/ceph/mgr/cephadm/services/osd.py", line 204, in generate_previews
concat_out: Dict[str, Any] = json.loads(" ".join(out))
File "/usr/lib64/python3.6/json/__init__.py", line 354, in loads
return _default_decoder.decode(s)
File "/usr/lib64/python3.6/json/decoder.py", line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib64/python3.6/json/decoder.py", line 357, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
debug 2020-10-06T07:07:33.947+0000 7f4289de2700 -1 log_channel(cluster) log [ERR] : Unhandled exception from module 'cephadm' while running on mgr.master.rhifho: Expecting value: line 1 column 1 (char 0)
</pre>
As a result, the deployment of MDSes gets stuck (MDSes never get deployed).