4 from StringIO import StringIO
5 from sfa.util.xrn import *
6 from sfa.rspecs.rspec import RSpec
7 from sfa.rspecs.version_manager import VersionManager
9 class SfaRSpecConverter:
12 def to_pg_rspec(rspec, content_type = None):
13 if not isinstance(rspec, RSpec):
14 sfa_rspec = RSpec(rspec)
18 if not content_type or content_type not in \
19 ['ad', 'request', 'manifest']:
20 content_type = sfa_rspec.version.content_type
23 version_manager = VersionManager()
24 pg_version = version_manager._get_version('protogeni', '2', 'request')
25 pg_rspec = RSpec(version=pg_version)
28 networks = sfa_rspec.version.get_networks()
30 for network in networks:
32 sfa_node_elements = sfa_rspec.version.get_node_elements(network=network)
33 for sfa_node_element in sfa_node_elements:
36 node_attrs['exclusive'] = 'false'
37 if 'component_manager_id' in sfa_node_element.attrib:
38 node_attrs['component_manager_id'] = sfa_node_element.attrib['component_manager_id']
40 node_attrs['component_manager_id'] = hrn_to_urn(network, 'authority+cm')
42 if 'component_id' in sfa_node_element.attrib:
43 node_attrs['compoenent_id'] = sfa_node_element.attrib['component_id']
45 if sfa_node_element.find('hostname') != None:
46 hostname = sfa_node_element.find('hostname').text
47 node_attrs['component_name'] = hostname
48 node_attrs['client_id'] = hostname
49 node_element = pg_rspec.xml.add_element('node', node_attrs)
51 if content_type == 'request':
52 sliver_element = sfa_node_element.find('sliver')
53 sliver_type_elements = sfa_node_element.xpath('./sliver_type', namespaces=sfa_rspec.namespaces)
54 available_sliver_types = [element.attrib['name'] for element in sliver_type_elements]
55 valid_sliver_types = ['emulab-openvz', 'raw-pc']
57 # determine sliver type
58 requested_sliver_type = 'emulab-openvz'
59 for available_sliver_type in available_sliver_types:
60 if available_sliver_type in valid_sliver_types:
61 requested_sliver_type = available_sliver_type
63 if sliver_element != None:
64 pg_rspec.xml.add_element('sliver_type', {'name': requested_sliver_type}, parent=node_element)
66 # create node_type element
67 for hw_type in ['plab-pc', 'pc']:
68 hdware_type_element = pg_rspec.xml.add_element('hardware_type', {'name': hw_type}, parent=node_element)
69 # create available element
70 pg_rspec.xml.add_element('available', {'now': 'true'}, parent=node_element)
71 # create locaiton element
72 # We don't actually associate nodes with a country.
73 # Set country to "unknown" until we figure out how to make
74 # sure this value is always accurate.
75 location = sfa_node_element.find('location')
78 location_attrs['country'] = location.get('country', 'unknown')
79 location_attrs['latitude'] = location.get('latitude', 'None')
80 location_attrs['longitude'] = location.get('longitude', 'None')
81 pg_rspec.xml.add_element('location', location_attrs, parent=node_element)
83 return pg_rspec.toxml()
85 if __name__ == '__main__':
88 print SfaRSpecConverter.to_pg_rspec(sys.argv[1])