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[Bug 1407939] [NEW] _poll_volume_usage and _heal_instance_info_cache should allow default 0 value

 

Public bug reported:

currently timely function _poll_volume_usage and _heal_instance_info_cache 
don't allow CONF.volume_usage_poll_interval, CONF.heal_instance_info_cache_interval to be 0
respectively ,otherwise the function will not be executed 

oslo already checked _periodic_spacing if it's < 0, then the periodic task is disabled
it's = 0, then the periodic task spacing is default (60) so no need to check it in nova manager

** Affects: nova
     Importance: Undecided
     Assignee: jichenjc (jichenjc)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => jichenjc (jichenjc)

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https://bugs.launchpad.net/bugs/1407939

Title:
  _poll_volume_usage and _heal_instance_info_cache should allow default
  0 value

Status in OpenStack Compute (Nova):
  New

Bug description:
  currently timely function _poll_volume_usage and _heal_instance_info_cache 
  don't allow CONF.volume_usage_poll_interval, CONF.heal_instance_info_cache_interval to be 0
  respectively ,otherwise the function will not be executed 

  oslo already checked _periodic_spacing if it's < 0, then the periodic task is disabled
  it's = 0, then the periodic task spacing is default (60) so no need to check it in nova manager

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