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[Johannes Kulik <1915815@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Steps to reproduce
==================

* storage-vMotion a VM (this renames the folder to the VM name, i.e. "$uuid" to "$name ($uuid)")
* openstack server rescue $uuid

Actual Result
=============

Nova's vmware driver raises an exception:

    Traceback (most recent call last):
      File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/compute/manager.py", line 3621, in rescue_instance
        rescue_image_meta, admin_password)
      File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/driver.py", line 601, in rescue
        self._vmops.rescue(context, instance, network_info, image_meta)
      File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/vmops.py", line 1802, in rescue
        vi.cache_image_path, rescue_disk_path)
      File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/ds_util.py", line 311, in disk_copy
        session._wait_for_task(copy_disk_task)
      File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/driver.py", line 725, in _wait_for_task
        return self.wait_for_task(task_ref)
      File "/plugins/openstack-base-plugin-oslo-vmware-archive-stable-queens-m3/oslo_vmware/api.py", line 402, in wait_for_task
       return evt.wait()
      File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/eventlet/event.py", line 121, in wait
        return hubs.get_hub().switch()
      File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 294, in switch
        return self.greenlet.switch()
      File "/plugins/openstack-base-plugin-oslo-vmware-archive-stable-queens-m3/oslo_vmware/common/loopingcall.py", line 75, in _inner
        self.f(*self.args, **self.kw)
      File "/plugins/openstack-base-plugin-oslo-vmware-archive-stable-queens-m3/oslo_vmware/api.py", line 449, in _poll_task
        raise exceptions.translate_fault(task_info.error)
    FileNotFoundException: File [eph-bb145-3] 551e5570-cf70-4ca0-9f37-e50210c4d2f5/ was not found


Expected Result
===============

VM is put into rescue mode and boots the rescue image.

This is

Environment
===========

This happend on queens, but the same code is still there in master:
https://github.com/openstack/nova/blob/a7dd1f8881484ba0bf4270dd48109c2be142c333/nova/virt/vmwareapi/vmops.py#L1228-L1229

** Affects: nova
     Importance: Undecided
     Assignee: Johannes Kulik (jkulik)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Johannes Kulik (jkulik)

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https://bugs.launchpad.net/bugs/1915815

Title:
  vmware: Rescue impossible if VM folder renamed

Status in OpenStack Compute (nova):
  New

Bug description:
  Steps to reproduce
  ==================

  * storage-vMotion a VM (this renames the folder to the VM name, i.e. "$uuid" to "$name ($uuid)")
  * openstack server rescue $uuid

  Actual Result
  =============

  Nova's vmware driver raises an exception:

      Traceback (most recent call last):
        File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/compute/manager.py", line 3621, in rescue_instance
          rescue_image_meta, admin_password)
        File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/driver.py", line 601, in rescue
          self._vmops.rescue(context, instance, network_info, image_meta)
        File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/vmops.py", line 1802, in rescue
          vi.cache_image_path, rescue_disk_path)
        File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/ds_util.py", line 311, in disk_copy
          session._wait_for_task(copy_disk_task)
        File "/nova-base-source/nova-base-archive-stable-queens-m3/nova/virt/vmwareapi/driver.py", line 725, in _wait_for_task
          return self.wait_for_task(task_ref)
        File "/plugins/openstack-base-plugin-oslo-vmware-archive-stable-queens-m3/oslo_vmware/api.py", line 402, in wait_for_task
         return evt.wait()
        File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/eventlet/event.py", line 121, in wait
          return hubs.get_hub().switch()
        File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 294, in switch
          return self.greenlet.switch()
        File "/plugins/openstack-base-plugin-oslo-vmware-archive-stable-queens-m3/oslo_vmware/common/loopingcall.py", line 75, in _inner
          self.f(*self.args, **self.kw)
        File "/plugins/openstack-base-plugin-oslo-vmware-archive-stable-queens-m3/oslo_vmware/api.py", line 449, in _poll_task
          raise exceptions.translate_fault(task_info.error)
      FileNotFoundException: File [eph-bb145-3] 551e5570-cf70-4ca0-9f37-e50210c4d2f5/ was not found

  
  Expected Result
  ===============

  VM is put into rescue mode and boots the rescue image.

  This is

  Environment
  ===========

  This happend on queens, but the same code is still there in master:
  https://github.com/openstack/nova/blob/a7dd1f8881484ba0bf4270dd48109c2be142c333/nova/virt/vmwareapi/vmops.py#L1228-L1229

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