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[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

looks like the compute node has a bad setting for glance_api_servers on the second node.

because glance_api_servers defaults to $glance_host:$glance_port, you should be able to fix it by setting:

glance_host = <ip where glance is running>

in your nova.conf on the second node.

Vish

On Aug 23, 2012, at 10:15 AM, Alessandro Tagliapietra <tagliapietra.alessandro@xxxxxxxxx> wrote:

> Hi all,
> 
> i've a controller which is running all service and a secondary controller which is un multi_host so it's running compute network and api-metadata. From the dashboard i can successfully create snapshots of instances running on the controller but when i try to create a snapshot of an instance on a compute node i get in its logs:
> 
> ==> /var/log/nova/nova-compute.log <==
> 2012-08-23 19:08:14 ERROR nova.rpc.amqp [req-66389a04-b071-4641-949b-3df04da85d08 a63f5293c5454a979bddff1415a216f6 e8c3367ff91d44b1ab1b14eb63f48bf7] Exception during message handling
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp Traceback (most recent call last):
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line 253, in _process_data
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     rval = node_func(context=ctxt, **node_args)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     return f(*args, **kw)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 183, in decorated_function
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     sys.exc_info())
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     self.gen.next()
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 177, in decorated_function
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     return function(self, context, instance_uuid, *args, **kwargs)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 952, in snapshot_instance
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     self.driver.snapshot(context, instance_ref, image_id)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     return f(*args, **kw)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 714, in snapshot
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     image_file)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/image/glance.py", line 306, in update
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     _reraise_translated_image_exception(image_id)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/image/glance.py", line 304, in update
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     image_meta = client.update_image(image_id, image_meta, data)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/glance/client.py", line 195, in update_image
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     res = self.do_request("PUT", "/images/%s" % image_id, body, headers)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 58, in wrapped
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     return func(self, *args, **kwargs)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 420, in do_request
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     headers=headers)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 75, in wrapped
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     return func(self, method, url, body, headers)
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 547, in _do_request
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp     raise exception.Invalid(res.read())
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp Invalid: Data supplied was not valid.
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp Details: 400 Bad Request
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp 
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp The server could not comply with the request since it is either malformed or otherwise incorrect.
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp 
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp  Failed to update image metadata. Got error: Data supplied was not valid. Details: 400 Bad Request  The server could not comply with the request since it is either malformed or otherwise incorrect.   Failed to update image metadata. Got error: Data supplied was not valid. Details: Invalid container format 'None' for image.    
> 2012-08-23 19:08:14 TRACE nova.rpc.amqp
> 
> any idea?
> Using nova create-image works but it creates a new image, not a snapshot (as the dashboard shows)
> 
> Best Regards
> 
> Alessandro
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