sfa/rspecs/elements/versions/iotlabv1Sliver.py

   1 from sfa.rspecs.elements.element import Element
   2 from sfa.rspecs.elements.sliver import Sliver
   3
   4 #from sfa.rspecs.elements.versions.pgv2DiskImage import PGv2DiskImage
   5 import sys
   6 class Iotlabv1Sliver:
   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             sliver_elem = xml.add_element('sliver')
  17             if sliver.get('type'):
  18                 sliver_elem.set('name', sliver['type'])
  19             if sliver.get('client_id'):
  20                 sliver_elem.set('client_id', sliver['client_id'])
  21             #images = sliver.get('disk_images')
  22             #if images and isinstance(images, list):
  23                 #Iotlabv1DiskImage.add_images(sliver_elem, images)
  24             Iotlabv1Sliver.add_sliver_attributes(sliver_elem, sliver.get('tags', []))
  25
  26     @staticmethod
  27     def add_sliver_attributes(xml, attributes):
  28         if attributes:
  29             for attribute in attributes:
  30                 if attribute['name'] == 'initscript':
  31                     xml.add_element('{%s}initscript' % xml.namespaces['planetlab'], name=attribute['value'])
  32                 elif tag['tagname'] == 'flack_info':
  33                     attrib_elem = xml.add_element('{%s}info' % self.namespaces['flack'])
  34                     attrib_dict = eval(tag['value'])
  35                     for (key, value) in attrib_dict.items():
  36                         attrib_elem.set(key, value)
  37     @staticmethod
  38     def get_slivers(xml, filter=None):
  39         if filter is None: filter={}
  40         xpath = './default:sliver | ./sliver'
  41
  42         sliver_elems = xml.xpath(xpath)
  43         slivers = []
  44         for sliver_elem in sliver_elems:
  45             sliver = Sliver(sliver_elem.attrib,sliver_elem)
  46
  47             if 'component_id' in xml.attrib:
  48                 sliver['component_id'] = xml.attrib['component_id']
  49             if 'name' in sliver_elem.attrib:
  50                 sliver['type'] = sliver_elem.attrib['name']
  51             #sliver['images'] = Iotlabv1DiskImage.get_images(sliver_elem)
  52
  53             print>>sys.stderr, "\r\n \r\n SLABV1SLIVER.PY  \t\t\t  get_slivers sliver %s " %( sliver)
  54             slivers.append(sliver)
  55         return slivers
  56
  57     @staticmethod
  58     def get_sliver_attributes(xml, filter=None):
  59         if filter is None: filter={}
  60         return []