def appendMetadata(self):
"""
Add the namespaced qos metadata element to the domain
<domain xmlns:ovirt="http://ovirt.org/vm/tune/1.0">
...
<metadata>
<ovirt:qos xmlns:ovirt=>
</metadata>
...
</domain>
"""
metadata_elem = vmxml.Element('metadata')
vmxml.append_child(
metadata_elem,
etree_child=metadata.create(
xmlconstants.METADATA_VM_TUNE_ELEMENT,
namespace=xmlconstants.METADATA_VM_TUNE_PREFIX,
namespace_uri=xmlconstants.METADATA_VM_TUNE_URI))
vmxml.append_child(
metadata_elem,
etree_child=metadata.create(
xmlconstants.METADATA_VM_VDSM_ELEMENT,
namespace=xmlconstants.METADATA_VM_VDSM_PREFIX,
namespace_uri=xmlconstants.METADATA_VM_VDSM_URI))
self.dom.appendChild(metadata_elem)
def _appendMetadataContainer(self, metadata_elem):
custom = self.conf.get('custom', {})
# container{Type,Image} are mandatory: if either
# one is missing, no container-related extradata
# should be present at all.
container_type = custom.get('containerType')
container_image = custom.get('containerImage')
if not container_type or not container_image:
return
vmxml.append_child(
metadata_elem,
etree_child=metadata.create(
xmlconstants.METADATA_CONTAINERS_ELEMENT,
namespace=xmlconstants.METADATA_CONTAINERS_PREFIX,
namespace_uri=xmlconstants.METADATA_CONTAINERS_URI,
runtime=container_type,
image=container_image))
# drive mapping is optional. It is totally fine for a container
# not to use any drive, this just means it will not have any
# form of persistency.
drive_map = parse_drive_mapping(self.conf.get('custom', {}))
if drive_map:
vmxml.append_child(
metadata_elem,
etree_child=metadata.create(
xmlconstants.METADATA_VM_DRIVE_MAP_ELEMENT,
namespace=xmlconstants.METADATA_VM_DRIVE_MAP_PREFIX,
namespace_uri=xmlconstants.METADATA_VM_DRIVE_MAP_URI,
**drive_map))
def test_create(self, custom):
namespace = 'ovirt-vm'
namespace_uri = 'http://ovirt.org/vm/1.0'
elem = metadata.create(
'vm', namespace, namespace_uri,
**custom
)
metadata_obj = metadata.Metadata(namespace, namespace_uri)
self.assertEqual(metadata_obj.load(elem), custom)
def test_create(self, custom):
namespace = 'ovirt-vm'
namespace_uri = 'http://ovirt.org/vm/1.0'
elem = metadata.create(
'vm', namespace, namespace_uri,
**custom
)
metadata_obj = metadata.Metadata(namespace, namespace_uri)
self.assertEqual(metadata_obj.load(elem), custom)