[quincy-edge] update status fails with json.decoder.JSONDecodeError

[Marian Gasparovic]

During ceph setup ceph-dashboard fails with

2022-04-11 23:05:23 DEBUG unit.ceph-dashboard/2.juju-log server.go:327 Operator Framework 1.4.0 up and running.
2022-04-11 23:05:23 DEBUG unit.ceph-dashboard/2.juju-log server.go:327 Legacy hooks/update-status does not exist.
2022-04-11 23:05:23 DEBUG unit.ceph-dashboard/2.juju-log server.go:327 yaml does not have libyaml extensions, using slower pure Python yaml loader
2022-04-11 23:05:23 DEBUG unit.ceph-dashboard/2.juju-log server.go:327 Using local storage: /var/lib/juju/agents/unit-ceph-dashboard-2/charm/.unit-state.db already exists
2022-04-11 23:05:23 DEBUG unit.ceph-dashboard/2.juju-log server.go:327 Emitting Juju event update_status.
2022-04-11 23:05:23 INFO unit.ceph-dashboard/2.juju-log server.go:327 Updating status
2022-04-11 23:05:23 ERROR unit.ceph-dashboard/2.juju-log server.go:327 Uncaught exception while in charm code:
Traceback (most recent call last):
  File "./src/charm.py", line 645, in <module>
    main(get_charm_class_for_release())
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops/main.py", line 431, in main
    _emit_charm_event(charm, dispatcher.event_name)
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops/main.py", line 142, in _emit_charm_event
    event_to_emit.emit(*args, **kwargs)
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops/framework.py", line 283, in emit
    framework._emit(event)
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops/framework.py", line 743, in _emit
    self._reemit(event_path)
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops/framework.py", line 790, in _reemit
    custom_handler(event)
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops_openstack/core.py", line 201, in on_update_status
    self.update_status()
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/ops_openstack/core.py", line 150, in update_status
    _result = check()
  File "./src/charm.py", line 364, in check_dashboard
    if not check_f():
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/charms_ceph/utils.py", line 3473, in is_mgr_module_enabled
    return module in enabled_manager_modules()
  File "/var/lib/juju/agents/unit-ceph-dashboard-2/charm/venv/charms_ceph/utils.py", line 3461, in enabled_manager_modules
    modules = json.loads(modules)
  File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python3.8/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python3.8/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
2022-04-11 23:05:23 ERROR juju.worker.uniter.operation runhook.go:146 hook "update-status" (via hook dispatching script: dispatch) failed: exit status 1

Artifacts - https://oil-jenkins.canonical.com/artifacts/5f34f524-d765-413c-bdfe-23f00d0bfb68/index.html

[Chris MacNaughton (chris.macnaughton)]

This is resolved in this charms.ceph patch: https://review.opendev.org/c/openstack/charms.ceph/+/837549

[Aymen Frikha (aym-frikha)]

Hello,

This bug, still affecting me, I'm using this charm : openstack-charmers-next-ceph-dashboard , do you know which charm version should I use ?

Thanks

[Felipe Reyes (freyes)]

On Thu, 2022-05-26 at 15:17 +0000, Aymen Frikha wrote:
> Hello,
>
> This bug, still affecting me, I'm using this charm : openstack-charmers-next-
> ceph-dashboard , do you know which charm version should I use ?

the revision 11 available at the quincy/stable channel has the fix, so someone
running a quincy based ceph cluster should deploy ceph-dashboard in this way:

juju deploy --channel quincy/stable ceph-dashboard