1 from sfa.util.xrn import Xrn, get_leaf
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
22 def add_nodes(xml, nodes, rspec_content_type=None):
25 node_fields = ['component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive']
26 node_elem = xml.add_instance('node', node, node_fields)
27 node_elems.append(node_elem)
29 if node.get('component_id'):
30 component_name = Xrn.unescape(get_leaf(Xrn(node['component_id']).get_hrn()))
31 node_elem.set('component_name', component_name)
33 if node.get('hardware_types'):
34 for hardware_type in node.get('hardware_types', []):
35 node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields)
37 if node.get('location'):
38 node_elem.add_instance('location', node['location'], Location.fields)
41 if node.get('exclusive') == "true":
42 granularity = node.get('granularity')
43 node_elem.add_instance('granularity', granularity, granularity.fields)
45 PGv2Interface.add_interfaces(node_elem, node.get('interfaces'))
46 #if node.get('interfaces'):
47 # for interface in node.get('interfaces', []):
48 # node_elem.add_instance('interface', interface, ['component_id', 'client_id'])
49 # set available element
50 if node.get('available'):
51 available_elem = node_elem.add_element('available', now=node['available'])
53 PGv2Services.add_services(node_elem, node.get('services', []))
55 slivers = node.get('slivers', [])
57 # we must still advertise the available sliver types
58 slivers = Sliver({'type': 'plab-vserver'})
59 # we must also advertise the available initscripts
61 if node.get('pl_initscripts'):
62 for initscript in node.get('pl_initscripts', []):
63 slivers['tags'].append({'name': 'initscript', 'value': initscript['name']})
64 PGv2SliverType.add_slivers(node_elem, slivers)
66 # advertise the node tags
67 tags = node.get('tags', [])
70 tag['name'] = tag.pop('tagname')
71 node_elem.add_instance('{%s}attribute' % xml.namespaces['planetlab'], tag, ['name', 'value'])
73 # add sliver tag in Request Rspec
74 if rspec_content_type == "request":
75 node_elem.add_instance('sliver', '', [])
81 def get_nodes(xml, filter={}):
82 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
83 node_elems = xml.xpath(xpath)
84 return PGv2Node.get_node_objs(node_elems)
87 def get_nodes_with_slivers(xml, filter={}):
88 xpath = '//node[count(sliver_type)>0] | //default:node[count(default:sliver_type) > 0]'
89 node_elems = xml.xpath(xpath)
90 return PGv2Node.get_node_objs(node_elems)
93 def get_node_objs(node_elems):
95 for node_elem in node_elems:
96 node = NodeElement(node_elem.attrib, node_elem)
98 if 'component_id' in node_elem.attrib:
99 node['authority_id'] = Xrn(node_elem.attrib['component_id']).get_authority_urn()
102 hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
103 node['hardware_types'] = [dict(hw_type.get_instance(HardwareType)) for hw_type in hardware_type_elems]
106 location_elems = node_elem.xpath('./default:location | ./location')
107 locations = [dict(location_elem.get_instance(Location)) for location_elem in location_elems]
108 if len(locations) > 0:
109 node['location'] = locations[0]
112 granularity_elems = node_elem.xpath('./default:granularity | ./granularity')
113 if len(granularity_elems) > 0:
114 node['granularity'] = granularity_elems[0].get_instance(Granularity)
117 iface_elems = node_elem.xpath('./default:interface | ./interface')
118 node['interfaces'] = [dict(iface_elem.get_instance(Interface)) for iface_elem in iface_elems]
121 node['services'] = PGv2Services.get_services(node_elem)
124 node['slivers'] = PGv2SliverType.get_slivers(node_elem)
127 available_elems = node_elem.xpath('./default:available | ./available')
128 if len(available_elems) > 0 and 'now' in available_elems[0].attrib:
129 if available_elems[0].attrib.get('now', '').lower() == 'true':
130 node['boot_state'] = 'boot'
132 node['boot_state'] = 'disabled'
136 node['pl_initscripts'] = []
137 initscript_elems = node_elem.xpath('./default:sliver_type/planetlab:initscript | ./sliver_type/initscript')
138 if len(initscript_elems) > 0:
139 for initscript_elem in initscript_elems:
140 if 'name' in initscript_elem.attrib:
141 node['pl_initscripts'].append(dict(initscript_elem.attrib))
147 tag_elems = node_elem.xpath('./planetlab:attribute | ./attribute')
149 if len(tag_elems) > 0:
150 for tag_elem in tag_elems:
151 tag = dict(tag_elem.get_instance(Attribute))
152 tag['tagname'] = tag.pop('name')
153 node['tags'].append(tag)
161 def add_slivers(xml, slivers):
163 for sliver in slivers:
165 if isinstance(sliver, str):
166 filter['component_id'] = '*%s*' % sliver
168 elif 'component_id' in sliver and sliver['component_id']:
169 filter['component_id'] = '*%s*' % sliver['component_id']
172 nodes = PGv2Node.get_nodes(xml, filter)
176 PGv2SliverType.add_slivers(node, sliver)
179 def remove_slivers(xml, hostnames):
180 for hostname in hostnames:
181 nodes = PGv2Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
183 slivers = PGv2SliverType.get_slivers(node.element)
184 for sliver in slivers:
185 node.element.remove(sliver.element)
186 if __name__ == '__main__':
187 from sfa.rspecs.rspec import RSpec
189 r = RSpec('/tmp/emulab.rspec')
190 r2 = RSpec(version = 'ProtoGENI')
191 nodes = PGv2Node.get_nodes(r.xml)
192 PGv2Node.add_nodes(r2.xml.root, nodes)