Public bug reported:
XenServer with dirver XenAPI, it always fails to create image from
volume.
Tempest test:
tempest.scenario.test_volume_boot_pattern.TestVolumeBootPatternV2.test_create_ebs_image_and_check_boot
2016-08-24 08:13:24.636 27347 DEBUG nova.compute.api
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] [instance:
5d5a8b10-655c-457e-8ad9-edbfb6ecd278] Creating snapshot from volume
9953359c-327a-41bf-abec-f3c3da416390. snapshot_volume_backed
/opt/stack/new/nova/nova/compute/api.py:2445^M
2016-08-24 08:13:25.964 27347 INFO os_vif
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] Loaded VIF plugin class '<class
'vif_plug_ovs.ovs.OvsPlugin'>' with name 'ovs'^M
2016-08-24 08:13:25.965 27347 INFO os_vif
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] Loaded VIF plugin class '<class
'vif_plug_linux_bridge.linux_bridge.LinuxBridgePlugin'>' with name
'linux_bridge'^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] Unexpected exception in API method^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions Traceback
(most recent call last):^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/openstack/extensions.py", line 338, in wrapped^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
f(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/openstack/common.py", line 372, in inner^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
f(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/validation/__init__.py", line 73, in wrapper^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
func(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/validation/__init__.py", line 73, in wrapper^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
func(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/openstack/compute/servers.py", line 1072, in
_action_create_image^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
metadata)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/compute/api.py", line 146, in inner^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
f(self, context, instance, *args, **kw)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/compute/api.py", line 2463, in
snapshot_volume_backed^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
self.image_api.create(context, image_meta)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/api.py", line 106, in create^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
session.create(context, image_info, data=data)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/glance.py", line 626, in create^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions data,
force_activate)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/glance.py", line 658, in _create_v2^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions context,
2, 'create', **sent_service_image_meta)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/glance.py", line 174, in call^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions result =
getattr(client.images, method)(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/glanceclient/v2/images.py", line 233,
in create^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions raise
TypeError(encodeutils.exception_to_unicode(e))^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions TypeError:
Unable to set 'disk_format' to 'qcow2'. Reason: 'qcow2' is not one of [None,
u'ami', u'ari', u'aki', u'vhd', u'raw', u'iso']^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions ^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions Failed
validating u'enum' in schema[u'properties'][u'disk_format']:^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
{u'description': u'Format of the disk',^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions u'enum':
[None, u'ami', u'ari', u'aki', u'vhd', u'raw', u'iso'],^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions u'type':
[u'null', u'string']}^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions ^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions On
instance[u'disk_format']:^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions 'qcow2'^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions ^M
Per my analysis, it should be bug due to it hardcode the disk format as qcow2.
See: https://github.com/openstack/nova/blob/master/nova/compute/api.py#L2471
At here, it cleans the disk_format and container_format
Then:
https://github.com/openstack/nova/blob/master//nova/image/glance.py#L651
It will hardcode the disk_format as qcow2 which is not supported by XenAPI.
nova/nova/image/glance.py
def _create_v2(self, context, sent_service_image_meta, data=None,
force_activate=False):
# Glance v1 allows image activation without setting disk and
# container formats, v2 doesn't. It leads to the dirtiest workaround
# where we have to hardcode this parameters.
if force_activate:
data = ''
if 'disk_format' not in sent_service_image_meta:
sent_service_image_meta['disk_format'] = 'qcow2'
if 'container_format' not in sent_service_image_meta:
sent_service_image_meta['container_format'] = 'bare'
** Affects: nova
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/1616938
Title:
XenAPI: failed to create image from volume
Status in OpenStack Compute (nova):
New
Bug description:
XenServer with dirver XenAPI, it always fails to create image from
volume.
Tempest test:
tempest.scenario.test_volume_boot_pattern.TestVolumeBootPatternV2.test_create_ebs_image_and_check_boot
2016-08-24 08:13:24.636 27347 DEBUG nova.compute.api
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] [instance:
5d5a8b10-655c-457e-8ad9-edbfb6ecd278] Creating snapshot from volume
9953359c-327a-41bf-abec-f3c3da416390. snapshot_volume_backed
/opt/stack/new/nova/nova/compute/api.py:2445^M
2016-08-24 08:13:25.964 27347 INFO os_vif
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] Loaded VIF plugin class '<class
'vif_plug_ovs.ovs.OvsPlugin'>' with name 'ovs'^M
2016-08-24 08:13:25.965 27347 INFO os_vif
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] Loaded VIF plugin class '<class
'vif_plug_linux_bridge.linux_bridge.LinuxBridgePlugin'>' with name
'linux_bridge'^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
[req-fd7afac4-a2ee-41cb-b785-02766806db26
tempest-TestVolumeBootPatternV2-1645487335
tempest-TestVolumeBootPatternV2-1645487335] Unexpected exception in API method^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions Traceback
(most recent call last):^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/openstack/extensions.py", line 338, in wrapped^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
f(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/openstack/common.py", line 372, in inner^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
f(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/validation/__init__.py", line 73, in wrapper^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
func(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/validation/__init__.py", line 73, in wrapper^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
func(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/api/openstack/compute/servers.py", line 1072, in
_action_create_image^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
metadata)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/compute/api.py", line 146, in inner^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
f(self, context, instance, *args, **kw)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/compute/api.py", line 2463, in
snapshot_volume_backed^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
self.image_api.create(context, image_meta)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/api.py", line 106, in create^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions return
session.create(context, image_info, data=data)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/glance.py", line 626, in create^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions data,
force_activate)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/glance.py", line 658, in _create_v2^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
context, 2, 'create', **sent_service_image_meta)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/opt/stack/new/nova/nova/image/glance.py", line 174, in call^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions result
= getattr(client.images, method)(*args, **kwargs)^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/glanceclient/v2/images.py", line 233,
in create^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions raise
TypeError(encodeutils.exception_to_unicode(e))^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions TypeError:
Unable to set 'disk_format' to 'qcow2'. Reason: 'qcow2' is not one of [None,
u'ami', u'ari', u'aki', u'vhd', u'raw', u'iso']^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions ^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions Failed
validating u'enum' in schema[u'properties'][u'disk_format']:^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
{u'description': u'Format of the disk',^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
u'enum': [None, u'ami', u'ari', u'aki', u'vhd', u'raw', u'iso'],^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
u'type': [u'null', u'string']}^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions ^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions On
instance[u'disk_format']:^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions
'qcow2'^M
2016-08-24 08:13:26.049 27347 ERROR nova.api.openstack.extensions ^M
Per my analysis, it should be bug due to it hardcode the disk format as
qcow2.
See: https://github.com/openstack/nova/blob/master/nova/compute/api.py#L2471
At here, it cleans the disk_format and container_format
Then:
https://github.com/openstack/nova/blob/master//nova/image/glance.py#L651
It will hardcode the disk_format as qcow2 which is not supported by XenAPI.
nova/nova/image/glance.py
def _create_v2(self, context, sent_service_image_meta, data=None,
force_activate=False):
# Glance v1 allows image activation without setting disk and
# container formats, v2 doesn't. It leads to the dirtiest workaround
# where we have to hardcode this parameters.
if force_activate:
data = ''
if 'disk_format' not in sent_service_image_meta:
sent_service_image_meta['disk_format'] = 'qcow2'
if 'container_format' not in sent_service_image_meta:
sent_service_image_meta['container_format'] = 'bare'
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