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[Sulochan Acharya <sulochan.acharya@xxxxxxxxxxxxxxx>]

Public bug reported:

Some xen tools are failing because some CONF objects seem to be imported
implicitly though import paths rather than though import_opt. For
instance calling destroy_cached_images.py (SOME FIX PENDING, see :
https://review.openstack.org/#/c/209526 )

will result in:

xenapi = xenapi_driver.XenAPIDriver(virtapi.VirtAPI())
  File "nova/virt/xenapi/driver.py", line 130, in __init__
    self._vmops = vmops.VMOps(self._session, self.virtapi)
  File "/nova/virt/xenapi/vmops.py", line 226, in __init__
    self.compute_api = compute.API()
  File "/nova/compute/__init__.py", line 39, in API
    return importutils.import_object(class_name, *args, **kwargs)
  File "/oslo_utils/importutils.py", line 38, in import_object
    return import_class(import_str)(*args, **kwargs)
  File "/nova/compute/api.py", line 304, in __init__
    self.servicegroup_api = servicegroup.API()
  File "/nova/servicegroup/api.py", line 55, in __init__
    report_interval = CONF.report_interval
  File "/oslo_config/cfg.py", line 1896, in __getattr__
    raise NoSuchOptError(name)
oslo_config.cfg.NoSuchOptError: no such option: report_interval


However, adding CONF.import_opt('report_interval', 'nova.service')

will result in a trace and:

ImportError: cannot import name conductor

** Affects: nova
     Importance: Undecided
     Assignee: Sulochan Acharya (sulochan-acharya)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Sulochan Acharya (sulochan-acharya)

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https://bugs.launchpad.net/bugs/1490547

Title:
  Xen Tools: scripts failing due to implicit import of CONF object

Status in OpenStack Compute (nova):
  New

Bug description:
  Some xen tools are failing because some CONF objects seem to be
  imported implicitly though import paths rather than though import_opt.
  For instance calling destroy_cached_images.py (SOME FIX PENDING, see :
  https://review.openstack.org/#/c/209526 )

  will result in:

  xenapi = xenapi_driver.XenAPIDriver(virtapi.VirtAPI())
    File "nova/virt/xenapi/driver.py", line 130, in __init__
      self._vmops = vmops.VMOps(self._session, self.virtapi)
    File "/nova/virt/xenapi/vmops.py", line 226, in __init__
      self.compute_api = compute.API()
    File "/nova/compute/__init__.py", line 39, in API
      return importutils.import_object(class_name, *args, **kwargs)
    File "/oslo_utils/importutils.py", line 38, in import_object
      return import_class(import_str)(*args, **kwargs)
    File "/nova/compute/api.py", line 304, in __init__
      self.servicegroup_api = servicegroup.API()
    File "/nova/servicegroup/api.py", line 55, in __init__
      report_interval = CONF.report_interval
    File "/oslo_config/cfg.py", line 1896, in __getattr__
      raise NoSuchOptError(name)
  oslo_config.cfg.NoSuchOptError: no such option: report_interval

  
  However, adding CONF.import_opt('report_interval', 'nova.service')

  will result in a trace and:

  ImportError: cannot import name conductor

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