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[Michael Still <mikal@xxxxxxxxxxx>]

Diablo is no longer supported.

** Changed in: nova
       Status: Triaged => Won't Fix

** Changed in: nova
   Importance: Low => Undecided

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https://bugs.launchpad.net/bugs/917145

Title:
  SchedulerHostFilterNotFound on Diablo using Multi-Zones

Status in OpenStack Compute (Nova):
  Won't Fix

Bug description:
  Hi all,

  We are using the release version of Diablo, and when we configure
  multi-zone and we sent a new instance to run , we get this TRACE on
  the nova-scheduler.log

  (nova.rpc): TRACE: Traceback (most recent call last):
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/rpc/impl_kombu.py", line 620, in _process_data
  (nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/scheduler/manager.py", line 103, in _schedule
  (nova.rpc): TRACE: host = real_meth(*args, **kwargs)
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/scheduler/abstract_scheduler.py", line 229, in schedule_run_instance
  (nova.rpc): TRACE: build_plan = self.select(context, request_spec)
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/scheduler/abstract_scheduler.py", line 251, in select
  (nova.rpc): TRACE: *args, **kwargs)
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/scheduler/abstract_scheduler.py", line 279, in _schedule
  (nova.rpc): TRACE: unfiltered_hosts)
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/scheduler/base_scheduler.py", line 41, in filter_hosts
  (nova.rpc): TRACE: selected_filter = host_filter.choose_host_filter(filter_name)
  (nova.rpc): TRACE: File "/usr/lib/python2.6/dist-packages/nova/scheduler/host_filter.py", line 74, in choose_host_filter
  (nova.rpc): TRACE: raise exception.SchedulerHostFilterNotFound(filter_name=filter_name)
  (nova.rpc): TRACE: SchedulerHostFilterNotFound: Scheduler Host Filter nova.scheduler.filters.AllHostsFilter could not be found.
  (nova.rpc): TRACE:

  But the host filter file is there, we tried replicating the for
  validations of the _get_filter fuction on host_filter.py , all is
  getting True for AllHostsFilters but still getting that the filter is
  not found.

  Any known issue ?

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