On 05/08/2012 09:58 AM, John Wayne wrote:
hi,
i am getting this error below when i try to create a storage volume:
libvirt.virStoragePool.CreateXML(storagepoolobject,xmldesc,0)
AttributeError: class virStoragePool has no attribute 'CreateXML'
Please
see the above error message carefully, you're calling a error
function name, it should be
'createXML' not 'CreateXML':
>> dir(libvirt.virStoragePool)
['UUID',
'UUIDString', 'XMLDesc', '__del__', '__doc__',
'__init__',
'__module__', 'autostart', 'build', 'connect',
'create', '*createXML*',
'createXMLFrom', 'delete', 'destroy', 'info',
'isActive',
'isPersistent', 'listVolumes', 'name', 'numOfVolumes',
'refresh',
'setAutostart', 'storageVolLookupByName', 'undefine']
>
> my code is:
> xmldesc="xml description of storage volume which i got from sudo virsh
> vol-dumpxml"
>
> #get a storage pool object to use in creating a volume
>
storagepoolobject=libvirt.virConnect.storagePoolLookupByName(conn,'poolname')
>
> #now try to create the volume using the above storage pool object
> libvirt.virStoragePool.CreateXML(storagepoolobject,xmldesc,0)
>
>
> from python:
> -bash-4.1$ python
> >>> import libvirt
>
>
>> dir(libvirt.virStoragePool)
> ['UUID',
'UUIDString', 'XMLDesc', '__del__', '__doc__',
'__init__',
> '__module__', 'autostart', 'build', 'connect',
'create', 'createXML',
> 'createXMLFrom', 'delete', 'destroy', 'info',
'isActive',
> 'isPersistent', 'listVolumes', 'name',
'numOfVolumes', 'refresh',
> 'setAutostart', 'storageVolLookupByName', 'undefine']
>
> >>> help(libvirt.virStoragePool.createXML)
> Help on method createXML in module libvirt:
>
> createXML(self, xmldesc, flags) unbound libvirt.virStoragePool method
> Create a storage volume within a pool based
> on an XML description. Not all pools support
> creation of volumes
>
> from the
libvirt.org documentation:
>
http://libvirt.org/html/libvirt-libvirt.html#virStorageVolCreateXML
> virStorageVolPtrvirStorageVolCreateXML(virStoragePoolPtr pool,
> const char * xmldesc,
> unsigned int flags)
> Create a storage volume within a pool based on an XML description. Not
> all pools support creation of volumes
> pool:pointer to storage pool
> xmldesc:description of volume to create
> flags:extra flags; not used yet, so callers should always pass 0
> Returns:the storage volume, or NULL on error
>
>
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