sfa/rspecs/elements/versions/pgv2SliverType.py

   1 from sfa.rspecs.elements.element import Element
   2 from sfa.rspecs.elements.sliver import Sliver
   3 from sfa.rspecs.elements.versions.pgv2DiskImage import PGv2DiskImage
   4 from sfa.rspecs.elements.versions.plosv1FWRule import PLOSv1FWRule
   5
   6 class PGv2SliverType:
   7
   8     @staticmethod
   9     def add_slivers(xml, slivers):
  10         if not slivers:
  11             return
  12         if not isinstance(slivers, list):
  13             slivers = [slivers]
  14         for sliver in slivers:
  15             sliver_elem = xml.add_element('sliver_type')
  16             if sliver.get('type'):
  17                 sliver_elem.set('name', sliver['type'])
  18             if sliver.get('client_id'):
  19                 sliver_elem.set('client_id', sliver['client_id'])
  20             images = sliver.get('disk_images')
  21             if images and isinstance(images, list):
  22                 PGv2DiskImage.add_images(sliver_elem, images)
  23             fw_rules = sliver.get('fw_rules')
  24             if fw_rules and isinstance(fw_rules, list):
  25                 PLOSv1FWRule.add_rules(sliver_elem, fw_rules)
  26             PGv2SliverType.add_sliver_attributes(sliver_elem, sliver.get('tags', []))
  27
  28     @staticmethod
  29     def add_sliver_attributes(xml, attributes):
  30         if attributes:
  31             for attribute in attributes:
  32                 if attribute['name'] == 'initscript':
  33                     xml.add_element('{%s}initscript' % xml.namespaces['planetlab'], name=attribute['value'])
  34                 elif tag['tagname'] == 'flack_info':
  35                     attrib_elem = xml.add_element('{%s}info' % self.namespaces['flack'])
  36                     attrib_dict = eval(tag['value'])
  37                     for (key, value) in attrib_dict.items():
  38                         attrib_elem.set(key, value)
  39     @staticmethod
  40     def get_slivers(xml, filter={}):
  41         xpath = './default:sliver_type | ./sliver_type'
  42         sliver_elems = xml.xpath(xpath)
  43         slivers = []
  44         for sliver_elem in sliver_elems:
  45             sliver = Sliver(sliver_elem.attrib,sliver_elem)
  46             if 'component_id' in xml.attrib:
  47                 sliver['component_id'] = xml.attrib['component_id']
  48             if 'name' in sliver_elem.attrib:
  49                 sliver['type'] = sliver_elem.attrib['name']
  50             sliver['images'] = PGv2DiskImage.get_images(sliver_elem)
  51             sliver['fw_rules'] = PLOSv1FWRule.get_rules(sliver_elem)
  52             slivers.append(sliver)
  53         return slivers
  54
  55     @staticmethod
  56     def get_sliver_attributes(xml, filter={}):
  57         return []