Hi all. I recently deploy Bare-metal node instance using Heat Template. However, Nova failed to spawn due to a timeout error. When I look into the code I found that the timeout is related to Nova downloading disk image from Glance. The nova-schedule.log shows below:

2014-02-28 02:49:48.046 2136 ERROR nova.compute.manager [req-09e61b23-436f-4425-8db0-10dd1aea2e39 85bbc1abb4254761a5452654a6934b75 692e595702654930936a65d1a658cff4] [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2] Instance failed to spawn

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2] Traceback (most recent call last):

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1417, in _spawn/
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     network_info=network_info,

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/virt/baremetal/pxe.py", line 444, in cache_images
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     self._cache_tftp_images(context, instance, tftp_image_info)

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/virt/baremetal/pxe.py", line 335, in _cache_tftp_images
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     project_id=instance['project_id'],

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/virt/baremetal/utils.py", line 33, in cache_image
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     user_id, project_id)

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/utils.py", line 645, in fetch_image
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     max_size=max_size)

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/virt/images.py", line 196, in fetch_to_raw
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     max_size=max_size)

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/virt/images.py", line 190, in fetch
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     image_service.download(context, image_id, dst_path=path)

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/nova/image/glance.py", line 360, in download
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     for chunk in image_chunks:

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/glanceclient/common/http.py", line 478, in __iter__
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     chunk = self.next()

2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]   File "/usr/lib/python2.7/dist-packages/glanceclient/common/http.py", line 494, in next
2014-02-28 02:49:48.046 2136 TRACE nova.compute.manager [instance: 35d00082-4cb4-45a3-a73b-b72ef2a6e2b2]     chunk = self._resp.read(CHUNKSIZE ...