I think snapshot[volume_name] is what you are looking for, pls see below link for ref.
https://github.com/openstack/cinder/blob/stable/grizzly/cinder/volume/drivers/lvm.py#L233 Best Regards, Swapnil On Wed, Oct 16, 2013 at 10:57 AM, Dinakar Gorti Maruti < dinakar...@cloudbyte.co> wrote: > display_name parameter of volume > > > On Wed, Oct 16, 2013 at 10:55 AM, Swapnil Kulkarni < > swapnilkulkarni2...@gmail.com> wrote: > >> 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 >>>>> >>>>> >>>> >>> >> >
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