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[Alessandro Tagliapietra <tagliapietra.alessandro@xxxxxxxxx>]

Il giorno 27/ago/2012, alle ore 19:12, Vishvananda Ishaya <vishvananda@xxxxxxxxx> ha scritto:

> a snapshot and an image are the same. The only difference is a piece of metadata saying what instance the snapshot came from.
> 

Correct, but if one fails and the other not, the api call done by the dashboard should be different, isn't it?


Alessandro

> Vish
> 
> On Aug 27, 2012, at 6:06 AM, Alessandro Tagliapietra <tagliapietra.alessandro@xxxxxxxxx> wrote:
> 
>> Btw, using
>> 
>> nova image-create --poll 4dcd5bb6-c65b-47dd-9c87-ba3fed624e22 "Instance"
>> 
>> works fine (nova command is run on 1st node), just it creates a new image and not a snapshot.
>> 
>> Best
>> 
>> -- 
>> Alessandro Tagliapietra | VISup srl
>> piazza 4 novembre 7
>> 20124 Milano
>> 
>> http://www.visup.it
>> 
>> Il giorno 26/ago/2012, alle ore 18:49, Alessandro Tagliapietra <tagliapietra.alessandro@xxxxxxxxx> ha scritto:
>> 
>>> 
>>> Il giorno 25/ago/2012, alle ore 01:15, Vishvananda Ishaya <vishvananda@xxxxxxxxx> ha scritto:
>>> 
>>>> Actually it looks like a different error. For some reason container format is being sent in as none on the second node.
>>>> 
>>>> Is it possible the original image that you launched the vm from has been deleted? For some reason it can't determine the container format.
>>> 
>>> Nope, the image from which the instance has been created is still there.
>>> 
>>>> 
>>>> If not, can you also make sure that your versions of glance and python-glanceclient are the same on both nodes?
>>>> 
>>>> you should be able to do `pip freeze` to see the installed versions.
>>> 
>>> I'm using the latest version from ubuntu 12.04 repo, btw, i can see only:
>>> 
>>> glance==2012.1
>>> 
>>> from pip freeze, no python-glanceclient there.
>>> 
>>>> 
>>>> 
>>>> Vish
>>>> 
>>>> On Aug 24, 2012, at 12:10 AM, Alessandro Tagliapietra <tagliapietra.alessandro@xxxxxxxxx> wrote:
>>>> 
>>>>> Hi Vish,
>>>>> 
>>>>> I had already a setting:
>>>>> 
>>>>> glance_api_servers=10.0.0.1:9292
>>>>> 
>>>>> i've also tried to add
>>>>> 
>>>>> glance_host=10.0.0.1
>>>>> 
>>>>> but i got the same error.. Also, after changing configuration and restarting nova-compute restarts all instances, is that normal?
>>>>> 
>>>>> Best
>>>>> 
>>>>> Alessandro
>>>>> 
>>>>> Il giorno 23/ago/2012, alle ore 20:24, Vishvananda Ishaya <vishvananda@xxxxxxxxx> ha scritto:
>>>>> 
>>>>>> 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
>>>>>>> _______________________________________________
>>>>>>> Mailing list: https://launchpad.net/~openstack
>>>>>>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
>>>>>>> Unsubscribe : https://launchpad.net/~openstack
>>>>>>> More help   : https://help.launchpad.net/ListHelp
>>>>>> 
>>>>> 
>>>> 
>>> 
>> 
> 


-- 
Alessandro Tagliapietra | VISup srl
piazza 4 novembre 7
20124 Milano

http://www.visup.it