Ceph » Orchestrator

How to reproduce
- vstart a cluster.
- Enable test_orchestrator and set it as the backend.
- listing services raises an error:

╰─# bin/ceph orch ls
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2020-04-16T07:37:21.554+0000 7f243b88e700 -1 WARNING: all dangerous and experimental features are enabled.
2020-04-16T07:37:21.582+0000 7f243b88e700 -1 WARNING: all dangerous and experimental features are enabled.
Error ENOENT: Spec needs a "service_type" key.

Also, loading dummy data from `ceph/src/pybind/mgr/test_orchestrator/dummy_data.json` doesn't work.

  File "/ceph/src/pybind/mgr/mgr_module.py", line 1159, in _handle_command
    return CLICommand.COMMANDS[cmd['prefix']].call(self, cmd, inbuf)
  File "/ceph/src/pybind/mgr/mgr_module.py", line 308, in call
    return self.func(mgr, **kwargs)
  File "/ceph/src/pybind/mgr/test_orchestrator/module.py", line 84, in _load_data
    self._init_data(data)
  File "/ceph/src/pybind/mgr/test_orchestrator/module.py", line 124, in _init_data
    self._services = [orchestrator.ServiceDescription.from_json(service)
  File "/ceph/src/pybind/mgr/test_orchestrator/module.py", line 124, in <listcomp>
    self._services = [orchestrator.ServiceDescription.from_json(service)
  File "/ceph/src/pybind/mgr/orchestrator/_interface.py", line 1209, in inner
    return method(cls, *args, **kwargs)
  File "/ceph/src/pybind/mgr/orchestrator/_interface.py", line 1425, in from_json
    spec = ServiceSpec.from_json(c)
  File "/ceph/src/python-common/ceph/deployment/service_spec.py", line 39, in inner
    raise ServiceSpecValidationError(error_msg)
ceph.deployment.service_spec.ServiceSpecValidationError: ServiceSpec: __init__() got an unexpected keyword argument 'container_image_id'