1 from sfa.util.sfalogging import logger
2 from sfa.util.xml import XpathFilter
3 from sfa.util.xrn import Xrn
5 from sfa.rspecs.elements.element import Element
6 from sfa.rspecs.elements.node import Node
7 from sfa.rspecs.elements.sliver import Sliver
8 from sfa.rspecs.elements.location import Location
9 from sfa.rspecs.elements.hardware_type import HardwareType
10 from sfa.rspecs.elements.disk_image import DiskImage
11 from sfa.rspecs.elements.interface import Interface
12 from sfa.rspecs.elements.bwlimit import BWlimit
13 from sfa.rspecs.elements.pltag import PLTag
14 from sfa.rspecs.elements.versions.sfav1Sliver import SFAv1Sliver
15 from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
16 from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
18 from sfa.planetlab.plxrn import xrn_to_hostname
23 def add_nodes(xml, nodes):
24 network_elems = xml.xpath('//network')
25 if len(network_elems) > 0:
26 network_elem = network_elems[0]
27 elif len(nodes) > 0 and nodes[0].get('component_manager_id'):
28 network_urn = nodes[0]['component_manager_id']
29 network_elem = xml.add_element('network', name = Xrn(network_urn).get_hrn())
35 node_fields = ['component_manager_id', 'component_id', 'boot_state']
36 node_elem = network_elem.add_instance('node', node, node_fields)
37 node_elems.append(node_elem)
39 # determine network hrn
41 if 'component_manager_id' in node and node['component_manager_id']:
42 network_hrn = Xrn(node['component_manager_id']).get_hrn()
44 # set component_name attribute and hostname element
45 if 'component_id' in node and node['component_id']:
46 component_name = xrn_to_hostname(node['component_id'])
47 node_elem.set('component_name', component_name)
48 hostname_elem = node_elem.add_element('hostname')
49 hostname_elem.set_text(component_name)
52 if 'authority_id' in node and node['authority_id']:
53 node_elem.set('site_id', node['authority_id'])
56 location = node.get('location')
58 node_elem.add_instance('location', location, Location.fields)
60 if isinstance(node.get('interfaces'), list):
61 for interface in node.get('interfaces', []):
62 node_elem.add_instance('interface', interface, ['component_id', 'client_id', 'ipv4'])
64 #if 'bw_unallocated' in node and node['bw_unallocated']:
65 # bw_unallocated = etree.SubElement(node_elem, 'bw_unallocated', units='kbps').text = str(int(node['bw_unallocated'])/1000)
67 PGv2Services.add_services(node_elem, node.get('services', []))
68 tags = node.get('tags', [])
71 tag_elem = node_elem.add_element(tag['tagname'])
72 tag_elem.set_text(tag['value'])
73 SFAv1Sliver.add_slivers(node_elem, node.get('slivers', []))
76 def add_slivers(xml, slivers):
78 for sliver in slivers:
80 if isinstance(sliver, str):
81 filter['component_id'] = '*%s*' % sliver
83 elif 'component_id' in sliver and sliver['component_id']:
84 filter['component_id'] = '*%s*' % sliver['component_id']
87 nodes = SFAv1Node.get_nodes(xml, filter)
91 SFAv1Sliver.add_slivers(node, sliver)
94 def remove_slivers(xml, hostnames):
95 for hostname in hostnames:
96 nodes = SFAv1Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
98 slivers = SFAv1Sliver.get_slivers(node.element)
99 for sliver in slivers:
100 node.element.remove(sliver.element)
103 def get_nodes(xml, filter={}):
104 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
105 node_elems = xml.xpath(xpath)
106 return SFAv1Node.get_node_objs(node_elems)
109 def get_nodes_with_slivers(xml):
110 xpath = '//node[count(sliver)>0] | //default:node[count(default:sliver)>0]'
111 node_elems = xml.xpath(xpath)
112 return SFAv1Node.get_node_objs(node_elems)
116 def get_node_objs(node_elems):
118 for node_elem in node_elems:
119 node = Node(node_elem.attrib, node_elem)
120 if 'site_id' in node_elem.attrib:
121 node['authority_id'] = node_elem.attrib['site_id']
123 location_elems = node_elem.xpath('./default:location | ./location')
124 locations = [loc_elem.get_instance(Location) for loc_elem in location_elems]
125 if len(locations) > 0:
126 node['location'] = locations[0]
128 bwlimit_elems = node_elem.xpath('./default:bw_limit | ./bw_limit')
129 bwlimits = [bwlimit_elem.get_instance(BWlimit) for bwlimit_elem in bwlimit_elems]
130 if len(bwlimits) > 0:
131 node['bwlimit'] = bwlimits[0]
133 iface_elems = node_elem.xpath('./default:interface | ./interface')
134 ifaces = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
135 node['interfaces'] = ifaces
137 node['services'] = PGv2Services.get_services(node_elem)
139 node['slivers'] = SFAv1Sliver.get_slivers(node_elem)
141 node['tags'] = SFAv1PLTag.get_pl_tags(node_elem, ignore=Node.fields+["hardware_type"])
143 hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
144 node['hardware_types'] = [hw_type.get_instance(HardwareType) for hw_type in hardware_type_elems]
146 # temporary... play nice with old slice manager rspec
147 if not node['component_name']:
148 hostname_elem = node_elem.find("hostname")
149 if hostname_elem != None:
150 node['component_name'] = hostname_elem.text