+from sfa.rspecs.elements.element import Element
+from sfa.rspecs.elements.sliver import Sliver
+from sfa.rspecs.elements.versions.pgv2DiskImage import PGv2DiskImage
+from sfa.rspecs.elements.versions.plosv1FWRule import PLOSv1FWRule
+
+from sfa.util.sfalogging import logger
+
+
+class PGv2SliverType:
+
+ @staticmethod
+ def add_slivers(xml, slivers):
+ if not slivers:
+ return
+ if not isinstance(slivers, list):
+ slivers = [slivers]
+ for sliver in slivers:
+ sliver_elem = xml.add_element('sliver_type')
+ if sliver.get('type'):
+ sliver_elem.set('name', sliver['type'])
+ attrs = ['client_id', 'cpus', 'memory', 'storage']
+ for attr in attrs:
+ if sliver.get(attr):
+ sliver_elem.set(attr, sliver[attr])
+
+ images = sliver.get('disk_image')
+ if images and isinstance(images, list):
+ PGv2DiskImage.add_images(sliver_elem, images)
+ fw_rules = sliver.get('fw_rules')
+ if fw_rules and isinstance(fw_rules, list):
+ PLOSv1FWRule.add_rules(sliver_elem, fw_rules)
+ PGv2SliverType.add_sliver_attributes(
+ sliver_elem, sliver.get('tags', []))
+
+ @staticmethod
+ def add_sliver_attributes(xml, tags):
+ if tags is None:
+ return
+ for tag in tags:
+ tagname = tag['tagname'] if 'tagname' in tag else tag['name']
+ if tagname == 'flack_info':
+ attrib_elem = xml.add_element(
+ '{%s}info' % self.namespaces['flack'])
+ try:
+ attrib_dict = eval(tag['value'])
+ for (key, value) in list(attrib_dict.items()):
+ attrib_elem.set(key, value)
+ except Exception as e:
+ logger.warning(
+ "Could not parse dictionary in flack tag -- {}".format(e))
+ elif tagname == 'initscript':
+ xml.add_element('{%s}initscript' % xml.namespaces['planetlab'],
+ name=tag['value'])
+ else:
+ xml.add_element('{%s}attribute' % (xml.namespaces['planetlab']),
+ name=tagname,
+ value=tag['value'],
+ scope=tag.get('scope', 'unknown'),
+ )
+
+ @staticmethod
+ def get_slivers(xml, filter=None):
+ if filter is None:
+ filter = {}
+ xpath = './default:sliver_type | ./sliver_type'
+ sliver_elems = xml.xpath(xpath)
+ slivers = []
+ for sliver_elem in sliver_elems:
+ sliver = Sliver(sliver_elem.attrib, sliver_elem)
+ if 'component_id' in xml.attrib:
+ sliver['component_id'] = xml.attrib['component_id']
+ if 'name' in sliver_elem.attrib:
+ sliver['type'] = sliver_elem.attrib['name']
+ sliver['disk_image'] = PGv2DiskImage.get_images(sliver_elem)
+ sliver['fw_rules'] = PLOSv1FWRule.get_rules(sliver_elem)
+ slivers.append(sliver)
+ return slivers
+
+ @staticmethod
+ def get_sliver_attributes(xml, filter=None):
+ if filter is None:
+ filter = {}
+ return []