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('attribute', 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)
122 available_elems = node_elem.xpath('./default:available | ./available')
123 if len(available_elems) > 0 and 'name' in available_elems[0].attrib:
124 if available_elems[0].attrib.get('now', '').lower() == 'true':
125 node['boot_state'] = 'boot'
127 node['boot_state'] = 'disabled'
130 tag_elems = node_elem.xpath('./default:attribute | ./attribute')
132 if len(tag_elems) > 0:
133 for tag_elem in tag_elems:
134 tag = tag_elem.get_instance(Attribute)
135 tag['tagname'] = tag.pop('name')
136 node['tags'].append(tag)
141 def add_slivers(xml, slivers):
143 for sliver in slivers:
145 if isinstance(sliver, str):
146 filter['component_id'] = '*%s*' % sliver
148 elif 'component_id' in sliver and sliver['component_id']:
149 filter['component_id'] = '*%s*' % sliver['component_id']
152 nodes = PGv2Node.get_nodes(xml, filter)
156 PGv2SliverType.add_slivers(node, sliver)
159 def remove_slivers(xml, hostnames):
160 for hostname in hostnames:
161 nodes = PGv2Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
163 slivers = PGv2SliverType.get_slivers(node.element)
164 for sliver in slivers:
165 node.element.remove(sliver.element)
166 if __name__ == '__main__':
167 from sfa.rspecs.rspec import RSpec
169 r = RSpec('/tmp/emulab.rspec')
170 r2 = RSpec(version = 'ProtoGENI')
171 nodes = PGv2Node.get_nodes(r.xml)
172 PGv2Node.add_nodes(r2.xml.root, nodes)