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 from sfa.util.sfalogging import logger
   7
   8 class PGv2SliverType:
   9
  10     @staticmethod
  11     def add_slivers(xml, slivers):
  12         if not slivers:
  13             return
  14         if not isinstance(slivers, list):
  15             slivers = [slivers]
  16         for sliver in slivers:
  17             sliver_elem = xml.add_element('sliver_type')
  18             if sliver.get('type'):
  19                 sliver_elem.set('name', sliver['type'])
  20             attrs = ['client_id', 'cpus', 'memory', 'storage']
  21             for attr in attrs:
  22                 if sliver.get(attr):
  23                     sliver_elem.set(attr, sliver[attr])
  24
  25             images = sliver.get('disk_image')
  26             if images and isinstance(images, list):
  27                 PGv2DiskImage.add_images(sliver_elem, images)
  28             fw_rules = sliver.get('fw_rules')
  29             if fw_rules and isinstance(fw_rules, list):
  30                 PLOSv1FWRule.add_rules(sliver_elem, fw_rules)
  31             PGv2SliverType.add_sliver_attributes(sliver_elem, sliver.get('tags', []))
  32
  33     @staticmethod
  34     def add_sliver_attributes(xml, tags):
  35         if tags is None:
  36             return
  37         for tag in tags:
  38             tagname = tag['tagname'] if 'tagname' in tag else tag['name']
  39             if tagname == 'flack_info':
  40                 attrib_elem = xml.add_element('{%s}info' % self.namespaces['flack'])
  41                 try:
  42                     attrib_dict = eval(tag['value'])
  43                     for (key, value) in attrib_dict.items():
  44                         attrib_elem.set(key, value)
  45                 except Exception as e:
  46                     logger.warning("Could not parse dictionary in flack tag -- {}".format(e))
  47             elif tagname == 'initscript':
  48                 xml.add_element('{%s}initscript' % xml.namespaces['planetlab'],
  49                                 name=tag['value'])
  50             else:
  51                 xml.add_element('{%s}attribute' % (xml.namespaces['planetlab']),
  52                                 name = tagname,
  53                                 value = tag['value'],
  54                                 scope = tag.get('scope', 'unknown'),
  55                 )
  56
  57     @staticmethod
  58     def get_slivers(xml, filter=None):
  59         if filter is None: filter={}
  60         xpath = './default:sliver_type | ./sliver_type'
  61         sliver_elems = xml.xpath(xpath)
  62         slivers = []
  63         for sliver_elem in sliver_elems:
  64             sliver = Sliver(sliver_elem.attrib,sliver_elem)
  65             if 'component_id' in xml.attrib:
  66                 sliver['component_id'] = xml.attrib['component_id']
  67             if 'name' in sliver_elem.attrib:
  68                 sliver['type'] = sliver_elem.attrib['name']
  69             sliver['disk_image'] = PGv2DiskImage.get_images(sliver_elem)
  70             sliver['fw_rules'] = PLOSv1FWRule.get_rules(sliver_elem)
  71             slivers.append(sliver)
  72         return slivers
  73
  74     @staticmethod
  75     def get_sliver_attributes(xml, filter=None):
  76         if filter is None: filter={}
  77         return []