from sfa.util.xrn import Xrn
+from sfa.util.xml import XmlElement
+
from sfa.rspecs.elements.element import Element
from sfa.rspecs.elements.sliver import Sliver
from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
+from sfa.planetlab.plxrn import PlXrn
+
class SFAv1Sliver:
@staticmethod
def add_slivers(xml, slivers):
+ if not slivers:
+ return
if not isinstance(slivers, list):
slivers = [slivers]
for sliver in slivers:
- sliver_elem = Element.add_elements(xml, 'sliver', sliver, ['name'])[0]
- if sliver.get('sliver_id'):
- sliver_id_leaf = Xrn(sliver.get('sliver_id')).get_leaf()
- sliver_id_parts = sliver_id_leaf.split(':')
- name = sliver_id_parts[0]
- sliver_elem.set('name', name)
- SFAv1PLTag.add_pl_tags(sliver_elem, sliver.get('tags', []))
-
+ sliver_elem = xml.add_instance('sliver', sliver, ['name'])
+ tags = sliver.get('tags', [])
+ if tags:
+ for tag in tags:
+ SFAv1Sliver.add_sliver_attribute(sliver_elem, tag['tagname'], tag['value'])
+
+ @staticmethod
+ def add_sliver_attribute(xml, name, value):
+ elem = xml.add_element(name)
+ elem.set_text(value)
+
+ @staticmethod
+ def get_sliver_attributes(xml):
+ attribs = []
+ for elem in xml.iterchildren():
+ if elem.tag not in Sliver.fields:
+ xml_element = XmlElement(elem, xml.namespaces)
+ instance = Element(fields=xml_element, element=elem)
+ instance['name'] = elem.tag
+ instance['value'] = elem.text
+ attribs.append(instance)
+ return attribs
+
@staticmethod
def get_slivers(xml, filter={}):
xpath = './default:sliver | ./sliver'
sliver = Sliver(sliver_elem.attrib,sliver_elem)
if 'component_id' in xml.attrib:
sliver['component_id'] = xml.attrib['component_id']
- sliver['tags'] = SFAv1PLTag.get_pl_tags(sliver_elem, ignore=Sliver.fields.keys())
+ sliver['tags'] = SFAv1Sliver.get_sliver_attributes(sliver_elem)
slivers.append(sliver)
- return slivers
+ return slivers
+