Open Stack

Try client.volumes..get(id).__dict__['

*os-vol-host-attr:host'] *

*Ugly, but it seems to work*

On 6 January 2016 at 18:20, Pradip Mukhopadhyay <pradip.interra at gmail.com>
wrote:

> Thanks, Yuriy.
>
> My question was: how can I retrieve the "host at backend#pool" from the
> pythonclient API of volume listing? Once I have that, I should use this
> method to extract the pool-name.
>
> But how can I access this info? CLI is showing this as in the following
> field:
>
> stack at openstack4:~/devstack$ cinder show
> e8be1df5-64fb-43fa-aacd-9bebba17fba5
>
> +---------------------------------------+--------------------------------------+
> |                Property               |
> Value                 |
>
> +---------------------------------------+--------------------------------------+
> |              attachments              |
> []                  |
> |           availability_zone           |
> nova                 |
> |                bootable               |
> false                 |
> |          consistencygroup_id          |
> None                 |
> |               created_at              |
> 2016-01-06T14:21:32.000000      |
> |              description              |
> None                 |
> |               encrypted               |
> False                 |
> |                   id                  |
> e8be1df5-64fb-43fa-aacd-9bebba17fba5 |
> |                metadata               |
> {}                  |
> |            migration_status           |
> None                 |
> |              multiattach              |
> False                 |
> |                  name                 |
> None                 |
> |         *os-vol-host-attr:host         |  openstack4 at SCSIBackend#pool1*
> |
> |     os-vol-mig-status-attr:migstat    |
> None                 |
> |     os-vol-mig-status-attr:name_id    |
> None                 |
> |      os-vol-tenant-attr:tenant_id     |
> 4713f79411844a29b3f53d5fd7502784   |
> |   os-volume-replication:driver_data   |
> None                 |
> | os-volume-replication:extended_status |
> None                 |
> |           replication_status          |
> disabled               |
> |                  size                 |
> 1                   |
> |              snapshot_id              |
> None                 |
> |              source_volid             |
> None                 |
> |                 status                |
> available               |
> |               updated_at              |
> 2016-01-06T14:21:34.000000      |
> |                user_id                |
> 89b4af10bc1a473caff22384c844bc6f   |
> |              volume_type              |
> iscsi_1                |
>
> +---------------------------------------+--------------------------------------+
>
>
>
> Now in python client API, I am not able to get that field :(
>
>
>
> >>> volumes = cinder.volumes.list()
>
> >>> volumes
>
> [<Volume: e8be1df5-64fb-43fa-aacd-9bebba17fba5>]
>
> >>> type(volumes[0])
> <class 'cinderclient.v2.volumes.Volume'>
>
> >>> volumes[0].id
>
> u'e8be1df5-64fb-43fa-aacd-9bebba17fba5'
>
> >>> volumes[0].host
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File
> "/usr/local/lib/python2.7/dist-packages/cinderclient/openstack/common/apiclient/base.py",
> line 464, in __getattr__
>     raise AttributeError(k)
> AttributeError: host
> >>> volumes[0].os-vol-host-attr
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File
> "/usr/local/lib/python2.7/dist-packages/cinderclient/openstack/common/apiclient/base.py",
> line 464, in __getattr__
>     raise AttributeError(k)
> AttributeError: os
>
>
>
>
> Essentially what is the way to get the attribute from the API?
>
>
>
>
> Thanks,
>
> Pradip
>
>
>
> On Wed, Jan 6, 2016 at 9:28 PM, Yuriy Nesenenko <ynesenenko at mirantis.com>
> wrote:
>
>> Sorry, of course this
>> https://github.com/openstack/cinder/blob/master/cinder/volume/utils.py#L575
>>
>> On Wed, Jan 6, 2016 at 5:57 PM, Yuriy Nesenenko <ynesenenko at mirantis.com>
>> wrote:
>>
>>> You can use this function
>>> https://github.com/openstack/cinder/blob/master/cinder/volume/utils.py#L5
>>>
>>> On Wed, Jan 6, 2016 at 5:44 PM, Pradip Mukhopadhyay <
>>> pradip.interra at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>>
>>>> From CLI, I can see the host-name in the cinder show command as follows:
>>>>
>>>> |         os-vol-host-attr:host         |  openstack4 at mySCSIBackend#pool1
>>>> |
>>>>
>>>> How this info can be accessed from the cinder python client?
>>>>
>>>> I can access other information (id, size, name etc.) as follows:
>>>>
>>>> >>> volumes = cinder.volumes.list()
>>>>
>>>> >>> volumes
>>>>
>>>> [<Volume: e8be1df5-64fb-43fa-aacd-9bebba17fba5>]
>>>>
>>>> >>> volumes[0].id
>>>>
>>>> u'e8be1df5-64fb-43fa-aacd-9bebba17fba5'
>>>>
>>>> >>> volumes[0].volume_type
>>>>
>>>> u'iscsi_1'
>>>>
>>>>
>>>>
>>>> Thanks,
>>>> Pradip
>>>>
>>>>
>>>>
>>>>
>>>> __________________________________________________________________________
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>>>>
>>>
>>
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>
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-- 
-- 
Duncan Thomas
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