1 from sfa.util.xrn import Xrn
2 from sfa.util.xml import XpathFilter
4 from sfa.rspecs.elements.node import NodeElement
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
15 from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
16 from sfa.rspecs.elements.granularity import Granularity
17 from sfa.rspecs.elements.attribute import Attribute
19 from sfa.planetlab.plxrn import xrn_to_hostname
23 def add_nodes(xml, nodes):
26 node_fields = ['component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive']
27 node_elem = xml.add_instance('node', node, node_fields)
28 node_elems.append(node_elem)
30 if node.get('component_id'):
31 component_name = xrn_to_hostname(node['component_id'])
32 node_elem.set('component_name', component_name)
34 if node.get('hardware_types'):
35 for hardware_type in node.get('hardware_types', []):
36 node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields)
38 if node.get('location'):
39 node_elem.add_instance('location', node['location'], Location.fields)
42 if node['exclusive'] == "true":
43 granularity = node.get('granularity')
44 node_elem.add_instance('granularity', granularity, granularity.fields)
46 PGv2Interface.add_interfaces(node_elem, node.get('interfaces'))
47 #if node.get('interfaces'):
48 # for interface in node.get('interfaces', []):
49 # node_elem.add_instance('interface', interface, ['component_id', 'client_id'])
50 # set available element
51 if node.get('available'):
52 available_elem = node_elem.add_element('available', now=node['available'])
54 PGv2Services.add_services(node_elem, node.get('services', []))
56 slivers = node.get('slivers', [])
58 # we must still advertise the available sliver types
59 slivers = Sliver({'type': 'plab-vserver'})
60 # we must also advertise the available initscripts
62 if node.get('pl_initscripts'):
63 for initscript in node.get('pl_initscripts', []):
64 slivers['tags'].append({'name': 'initscript', 'value': initscript['name']})
65 PGv2SliverType.add_slivers(node_elem, slivers)
67 # advertise the node tags
68 tags = node.get('tags', [])
71 tag['name'] = tag.pop('tagname')
72 node_elem.add_instance('{%s}attribute' % xml.namespaces['planetlab'], tag, ['name', 'value'])
78 def get_nodes(xml, filter={}):
79 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
80 node_elems = xml.xpath(xpath)
81 return PGv2Node.get_node_objs(node_elems)
84 def get_nodes_with_slivers(xml, filter={}):
85 xpath = '//node[count(sliver_type)>0] | //default:node[count(default:sliver_type) > 0]'
86 node_elems = xml.xpath(xpath)
87 return PGv2Node.get_node_objs(node_elems)
90 def get_node_objs(node_elems):
92 for node_elem in node_elems:
93 node = NodeElement(node_elem.attrib, node_elem)
95 if 'component_id' in node_elem.attrib:
96 node['authority_id'] = Xrn(node_elem.attrib['component_id']).get_authority_urn()
99 hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
100 node['hardware_types'] = [hw_type.get_instance(HardwareType) for hw_type in hardware_type_elems]
103 location_elems = node_elem.xpath('./default:location | ./location')
104 locations = [location_elem.get_instance(Location) for location_elem in location_elems]
105 if len(locations) > 0:
106 node['location'] = locations[0]
109 granularity_elems = node_elem.xpath('./default:granularity | ./granularity')
110 if len(granularity_elems) > 0:
111 node['granularity'] = granularity_elems[0].get_instance(Granularity)
114 iface_elems = node_elem.xpath('./default:interface | ./interface')
115 node['interfaces'] = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
118 node['services'] = PGv2Services.get_services(node_elem)
121 node['slivers'] = PGv2SliverType.get_slivers(node_elem)
123 available_elems = node_elem.xpath('./default:available | ./available')
124 if len(available_elems) > 0 and 'now' in available_elems[0].attrib:
125 if available_elems[0].attrib.get('now', '').lower() == 'true':
126 node['boot_state'] = 'boot'
128 node['boot_state'] = 'disabled'
131 tag_elems = node_elem.xpath('./planetlab:attribute | ./attribute')
133 if len(tag_elems) > 0:
134 for tag_elem in tag_elems:
135 tag = tag_elem.get_instance(Attribute)
136 tag['tagname'] = tag.pop('name')
137 node['tags'].append(tag)
142 def add_slivers(xml, slivers):
144 for sliver in slivers:
146 if isinstance(sliver, str):
147 filter['component_id'] = '*%s*' % sliver
149 elif 'component_id' in sliver and sliver['component_id']:
150 filter['component_id'] = '*%s*' % sliver['component_id']
153 nodes = PGv2Node.get_nodes(xml, filter)
157 PGv2SliverType.add_slivers(node, sliver)
160 def remove_slivers(xml, hostnames):
161 for hostname in hostnames:
162 nodes = PGv2Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
164 slivers = PGv2SliverType.get_slivers(node.element)
165 for sliver in slivers:
166 node.element.remove(sliver.element)
167 if __name__ == '__main__':
168 from sfa.rspecs.rspec import RSpec
170 r = RSpec('/tmp/emulab.rspec')
171 r2 = RSpec(version = 'ProtoGENI')
172 nodes = PGv2Node.get_nodes(r.xml)
173 PGv2Node.add_nodes(r2.xml.root, nodes)