class CommonDeserializer(wsgi.MetadataXMLDeserializer):
"""Common deserializer to handle xml-formatted volume requests.
Handles standard volume attributes as well as the optional metadata
attribute
"""
metadata_deserializer = common.MetadataXMLDeserializer()
def _extract_volume(self, node):
"""Marshal the volume attribute of a parsed request."""
volume = {}
volume_node = self.find_first_child_named(node, 'volume')
attributes = [
'name', 'description', 'size', 'volume_type', 'availability_zone'
]
for attr in attributes:
if volume_node.getAttribute(attr):
volume[attr] = volume_node.getAttribute(attr)
metadata_node = self.find_first_child_named(volume_node, 'metadata')
if metadata_node is not None:
volume['metadata'] = self.extract_metadata(metadata_node)
return volume
class CommonDeserializer(wsgi.MetadataXMLDeserializer):
"""Common deserializer to handle xml-formatted volume requests.
Handles standard volume attributes as well as the optional metadata
attribute
"""
metadata_deserializer = common.MetadataXMLDeserializer()
def _extract_scheduler_hints(self, volume_node):
"""Marshal the scheduler hints attribute of a parsed request."""
node =\
self.find_first_child_named_in_namespace(volume_node,
SCHEDULER_HINTS_NAMESPACE,
"scheduler_hints")
if node:
scheduler_hints = {}
for child in self.extract_elements(node):
scheduler_hints.setdefault(child.nodeName, [])
value = self.extract_text(child).strip()
scheduler_hints[child.nodeName].append(value)
return scheduler_hints
else:
return None
def _extract_volume(self, node):
"""Marshal the volume attribute of a parsed request."""
volume = {}
volume_node = self.find_first_child_named(node, 'volume')
attributes = [
'name', 'description', 'size', 'volume_type', 'availability_zone',
'imageRef', 'image_id', 'snapshot_id', 'source_volid',
'consistencygroup_id'
]
for attr in attributes:
if volume_node.getAttribute(attr):
volume[attr] = volume_node.getAttribute(attr)
metadata_node = self.find_first_child_named(volume_node, 'metadata')
if metadata_node is not None:
volume['metadata'] = self.extract_metadata(metadata_node)
scheduler_hints = self._extract_scheduler_hints(volume_node)
if scheduler_hints:
volume['scheduler_hints'] = scheduler_hints
return volume
