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[Vipin Balachandran <vbala@xxxxxxxxxx>]

*** This bug is a duplicate of bug 1712281 ***
    https://bugs.launchpad.net/bugs/1712281

** This bug has been marked a duplicate of bug 1712281
   Attach volume failed for vmware driver

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https://bugs.launchpad.net/bugs/1680254

Title:
  VMware: Failed at boot instance from volume

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  Instance is failing with booting from volume

   [req-e1b1ac9c-3394-44c6-8453-b05f41f2aa16 admin admin]  Instance failed to spawn
    Traceback (most recent call last):
      File "/opt/stack/nova/nova/compute/manager.py", line 2120, in _build_resources
        yield resources
      File "/opt/stack/nova/nova/compute/manager.py", line 1925, in _build_and_run_instance
        block_device_info=block_device_info)
      File "/opt/stack/nova/nova/virt/vmwareapi/driver.py", line 324, in spawn
        admin_password, network_info, block_device_info)
      File "/opt/stack/nova/nova/virt/vmwareapi/vmops.py", line 791, in spawn
        instance, vi.datastore.ref, adapter_type)
      File "/opt/stack/nova/nova/virt/vmwareapi/volumeops.py", line 606, in attach_root_volume
        self.attach_volume(connection_info, instance, adapter_type)
      File "/opt/stack/nova/nova/virt/vmwareapi/volumeops.py", line 383, in attach_volume
        self._attach_volume_vmdk(connection_info, instance, adapter_type)
      File "/opt/stack/nova/nova/virt/vmwareapi/volumeops.py", line 337, in _attach_volume_vmdk
        if state.lower() != 'poweredoff':
    AttributeError: 'int' object has no attribute 'lower'

  Because in nova/compute/power_state.py, all states are in index, so
  state should be int not str. So the driver code need to be updated
  accordingly.

  Command to reproduce in devstack(all repos are in master level):
  nova boot --nic net-id=<net-id> --flavor <flavor-id> --block-device source=image,id=<image-id>,dest=volume,size=2,shutdown=preserve,bootindex=0 mystanceFromVolume1

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