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             attrs = ['client_id', 'cpus', 'memory', 'storage']
  19             for attr in attrs:
  20                 if sliver.get(attr):
  21                     sliver_elem.set(attr, sliver[attr])
  22
  23             images = sliver.get('disk_image')
  24             if images and isinstance(images, list):
  25                 PGv2DiskImage.add_images(sliver_elem, images)
  26             fw_rules = sliver.get('fw_rules')
  27             if fw_rules and isinstance(fw_rules, list):
  28                 PLOSv1FWRule.add_rules(sliver_elem, fw_rules)
  29             PGv2SliverType.add_sliver_attributes(sliver_elem, sliver.get('tags', []))
  30
  31     @staticmethod
  32     def add_sliver_attributes(xml, attributes):
  33         if attributes:
  34             for attribute in attributes:
  35                 if attribute['name'] == 'initscript':
  36                     xml.add_element('{%s}initscript' % xml.namespaces['planetlab'], name=attribute['value'])
  37                 elif tag['tagname'] == 'flack_info':
  38                     attrib_elem = xml.add_element('{%s}info' % self.namespaces['flack'])
  39                     attrib_dict = eval(tag['value'])
  40                     for (key, value) in attrib_dict.items():
  41                         attrib_elem.set(key, value)
  42     @staticmethod
  43     def get_slivers(xml, filter={}):
  44         xpath = './default:sliver_type | ./sliver_type'
  45         sliver_elems = xml.xpath(xpath)
  46         slivers = []
  47         for sliver_elem in sliver_elems:
  48             sliver = Sliver(sliver_elem.attrib,sliver_elem)
  49             if 'component_id' in xml.attrib:
  50                 sliver['component_id'] = xml.attrib['component_id']
  51             if 'name' in sliver_elem.attrib:
  52                 sliver['type'] = sliver_elem.attrib['name']
  53             sliver['disk_image'] = PGv2DiskImage.get_images(sliver_elem)
  54             sliver['fw_rules'] = PLOSv1FWRule.get_rules(sliver_elem)
  55             slivers.append(sliver)
  56         return slivers
  57
  58     @staticmethod
  59     def get_sliver_attributes(xml, filter={}):
  60         return []