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[Dongcan Ye <hellochosen@xxxxxxxxx>]

** Changed in: nova
       Status: In Progress => Invalid

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https://bugs.launchpad.net/bugs/1549597

Title:
  VMware: Get wrong image cahe folder makes create vm slowly

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  Nova virt driver: VMware   repo: master

  In imagecache.py we build image cache folder as "self._base_folder/image_id". [1] 
  If we use remove_unused_base_images  configuration in nova.conf,  it  ensure  image cache folder is unique per compute node.
   
  But when we fetching image, the  cache_image_folder function gets  self.datastore as a parameter[2], datastore ip address may different with nova compute node host_ip, this is never get the right  image cache folder. 

  
  [1] https://github.com/openstack/nova/blob/master/nova/virt/vmwareapi/imagecache.py/#L200
  [2] https://github.com/openstack/nova/blob/master/nova/virt/vmwareapi/vmops.py/#L113

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