What exact parameters are you looking for?
On Wed, Oct 16, 2013 at 10:48 AM, Dinakar Gorti Maruti <
dinakar...@cloudbyte.co> wrote:
> Hi Swapnil,
>
> I had tried it before , it is returning a string "volume"
> followed by volume id
>
> Thanks
> Dinakar
>
>
> On Wed, Oct 16, 2013 at 10:31 AM, Swapnil Kulkarni <
> swapnilkulkarni2...@gmail.com> wrote:
>
>> Hi DInakar,
>>
>> Please use volume_name, volume_size,etc. These are volume related
>> parameters frequently used in snapshots. You can always do *dir* to get
>> any specific values you need.
>>
>> Best Regards,
>> Swapnil
>>
>>
>> On Wed, Oct 16, 2013 at 10:11 AM, Dinakar Gorti Maruti <
>> dinakar...@cloudbyte.co> wrote:
>>
>>> hi,
>>> I am implementing a driver for cinder services and I am stuck with a
>>> problem in creation of snapshot , I have a need to fetch the volume details
>>> in snapshot creation.
>>> I am using Openstack-Grizzly
>>>
>>> I am trying to use this line of code
>>>
>>> def create_snapshot(self, snapshot_ref):
>>> ..........
>>>
>>> volume = snapshot_ref['volume']
>>>
>>> ...........
>>>
>>>
>>> Error :
>>>
>>> Traceback (most recent call last):
>>> File
>>> "/usr/lib/python2.6/site-packages/cinder/openstack/common/rpc/amqp.py",
>>> line 430, in _process_data
>>> rval = self.proxy.dispatch(ctxt, version, method, **args)
>>> File
>>> "/usr/lib/python2.6/site-packages/cinder/openstack/common/rpc/dispatcher.py",
>>> line 133, in dispatch
>>> return getattr(proxyobj, method)(ctxt, **kwargs)
>>> File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line
>>> 564, in create_snapshot
>>> {'status': 'error'})
>>> File "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
>>> self.gen.next()
>>> File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line
>>> 554, in create_snapshot
>>> model_update = self.driver.create_snapshot(snapshot_ref,volume_name)
>>> File
>>> "/usr/lib/python2.6/site-packages/cinder/volume/drivers/cloudbyte.py", line
>>> 195, in create_snapshot
>>> LOG.debug(_("phani volume object in snapshot :
>>> %s"),snapshot_ref['volume'])
>>> File
>>> "/usr/lib/python2.6/site-packages/cinder/db/sqlalchemy/models.py", line 74,
>>> in __getitem__
>>> return getattr(self, key)
>>> File
>>> "/usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/orm/attributes.py",
>>> line 168, in __get__
>>> return self.impl.get(instance_state(instance),dict_)
>>> File
>>> "/usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/orm/attributes.py",
>>> line 453, in get
>>> value = self.callable_(state, passive)
>>> File
>>> "/usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/orm/strategies.py",
>>> line 481, in _load_for_state
>>> (mapperutil.state_str(state), self.key)
>>>
>>>
>>> DetachedInstanceError: Parent instance <Snapshot at 0x30a0cd0> is not
>>> bound to a Session; lazy load operation of attribute 'volume' cannot proceed
>>>
>>> hoping for a solution
>>>
>>> Thanks
>>> Dinakar
>>>
>>> _______________________________________________
>>> Mailing list:
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> Post to : openst...@lists.openstack.org
>>> Unsubscribe :
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>
>>>
>>
>
_______________________________________________
OpenStack-dev mailing list
OpenStack-dev@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
