1 from sfa.util.xrn import Xrn
2 from sfa.util.xml import XpathFilter
4 from sfa.rspecs.elements.node import Node
5 from sfa.rspecs.elements.sliver import Sliver
6 from sfa.rspecs.elements.location import Location
7 from sfa.rspecs.elements.hardware_type import HardwareType
8 from sfa.rspecs.elements.disk_image import DiskImage
9 from sfa.rspecs.elements.interface import Interface
10 from sfa.rspecs.elements.bwlimit import BWlimit
11 from sfa.rspecs.elements.pltag import PLTag
12 from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
13 from sfa.rspecs.elements.versions.pgv2SliverType import PGv2SliverType
14 from sfa.rspecs.elements.versions.pgv2Interface import PGv2Interface
16 from sfa.planetlab.plxrn import xrn_to_hostname
20 def add_nodes(xml, nodes):
23 node_fields = ['component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive']
24 node_elem = xml.add_instance('node', node, node_fields)
25 node_elems.append(node_elem)
27 if node.get('component_id'):
28 component_name = xrn_to_hostname(node['component_id'])
29 node_elem.set('component_name', component_name)
31 if node.get('hardware_types'):
32 for hardware_type in node.get('hardware_types', []):
33 node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields)
35 if node.get('location'):
36 node_elem.add_instance('location', node['location'], Location.fields)
38 PGv2Interface.add_interfaces(node_elem, node.get('interfaces'))
39 #if node.get('interfaces'):
40 # for interface in node.get('interfaces', []):
41 # node_elem.add_instance('interface', interface, ['component_id', 'client_id'])
42 # set available element
43 if node.get('available'):
44 available_elem = node_elem.add_element('available', now=node['available'])
46 PGv2Services.add_services(node_elem, node.get('services', []))
48 slivers = node.get('slivers', [])
50 # we must still advertise the available sliver types
51 slivers = Sliver({'type': 'plab-vserver'})
52 # we must also advertise the available initscripts
54 if node.get('pl_initscripts'):
55 for initscript in node.get('pl_initscripts', []):
56 slivers['tags'].append({'name': 'initscript', 'value': initscript['name']})
57 PGv2SliverType.add_slivers(node_elem, slivers)
62 def get_nodes(xml, filter={}):
63 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
64 node_elems = xml.xpath(xpath)
65 return PGv2Node.get_node_objs(node_elems)
68 def get_nodes_with_slivers(xml, filter={}):
69 xpath = '//node[count(sliver_type)>0] | //default:node[count(default:sliver_type) > 0]'
70 node_elems = xml.xpath(xpath)
71 return PGv2Node.get_node_objs(node_elems)
74 def get_node_objs(node_elems):
76 for node_elem in node_elems:
77 node = Node(node_elem.attrib, node_elem)
79 if 'component_id' in node_elem.attrib:
80 node['authority_id'] = Xrn(node_elem.attrib['component_id']).get_authority_urn()
83 hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
84 node['hardware_types'] = [hw_type.get_instance(HardwareType) for hw_type in hardware_type_elems]
87 location_elems = node_elem.xpath('./default:location | ./location')
88 locations = [location_elem.get_instance(Location) for location_elem in location_elems]
89 if len(locations) > 0:
90 node['location'] = locations[0]
93 iface_elems = node_elem.xpath('./default:interface | ./interface')
94 node['interfaces'] = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
97 node['services'] = PGv2Services.get_services(node_elem)
100 node['slivers'] = PGv2SliverType.get_slivers(node_elem)
101 available_elems = node_elem.xpath('./default:available | ./available')
102 if len(available_elems) > 0 and 'name' in available_elems[0].attrib:
103 if available_elems[0].attrib.get('now', '').lower() == 'true':
104 node['boot_state'] = 'boot'
106 node['boot_state'] = 'disabled'
111 def add_slivers(xml, slivers):
113 for sliver in slivers:
115 if isinstance(sliver, str):
116 filter['component_id'] = '*%s*' % sliver
118 elif 'component_id' in sliver and sliver['component_id']:
119 filter['component_id'] = '*%s*' % sliver['component_id']
122 nodes = PGv2Node.get_nodes(xml, filter)
126 PGv2SliverType.add_slivers(node, sliver)
129 def remove_slivers(xml, hostnames):
130 for hostname in hostnames:
131 nodes = PGv2Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
133 slivers = PGv2SliverType.get_slivers(node.element)
134 for sliver in slivers:
135 node.element.remove(sliver.element)
136 if __name__ == '__main__':
137 from sfa.rspecs.rspec import RSpec
139 r = RSpec('/tmp/emulab.rspec')
140 r2 = RSpec(version = 'ProtoGENI')
141 nodes = PGv2Node.get_nodes(r.xml)
142 PGv2Node.add_nodes(r2.xml.root, nodes)