2 from sfa.util.xml import XpathFilter
3 from sfa.util.plxrn import PlXrn
4 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.network import Network
9 from sfa.rspecs.elements.location import Location
10 from sfa.rspecs.elements.hardware_type import HardwareType
11 from sfa.rspecs.elements.disk_image import DiskImage
12 from sfa.rspecs.elements.interface import Interface
13 from sfa.rspecs.elements.bwlimit import BWlimit
14 from sfa.rspecs.elements.pltag import PLTag
15 from sfa.rspecs.rspec_elements import RSpecElement, RSpecElements
16 from sfa.rspecs.elements.versions.sfav1Network import SFAv1Network
17 from sfa.rspecs.elements.versions.sfav1Sliver import SFAv1Sliver
18 from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
19 from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
24 def add_nodes(xml, nodes):
25 network_elems = SFAv1Network.get_networks(xml)
26 if len(network_elems) > 0:
27 network_elem = network_elems[0]
28 elif len(nodes) > 0 and nodes[0].get('component_manager_id'):
29 network_elem = SFAv1Network.add_network(xml.root, {'name': nodes[0]['component_manager_id']})
33 node_fields = ['component_manager_id', 'component_id', 'boot_state']
34 elems = Element.add(network_elem, 'node', node, node_fields)
36 node_elems.append(node_elem)
38 # determine network hrn
40 if 'component_manager_id' in node and node['component_manager_id']:
41 network_hrn = Xrn(node['component_manager_id']).get_hrn()
43 # set component_name attribute and hostname element
44 if 'component_id' in node and node['component_id']:
45 xrn = Xrn(node['component_id'])
46 node_elem.set('component_name', xrn.get_leaf())
47 hostname_tag = node_elem.add_element('hostname')
48 hostname_tag.set_text(xrn.get_leaf())
51 if 'authority_id' in node and node['authority_id']:
52 node_elem.set('site_id', node['authority_id'])
54 location_elems = Element.add(node_elem, 'location', node.get('location', []), Location.fields)
55 interface_elems = Element.add(node_elem, 'interface', node.get('interfaces', []), Interface.fields)
56 # need to generate the device id in the component_id
58 for interface_elem in interface_elems:
59 comp_id = PlXrn(auth=network, interface='node%s:eth%s' % (interface['node_id'], i)).get_urn()
60 interface_elem.set('component_id', comp_id)
63 #if 'bw_unallocated' in node and node['bw_unallocated']:
64 # bw_unallocated = etree.SubElement(node_elem, 'bw_unallocated', units='kbps').text = str(int(node['bw_unallocated'])/1000)
66 PGv2Services.add_services(node_elem, node.get('services', []))
67 SFAv1PLTags.add_tags(node_elem, node.get('tags', []))
68 SFAv1Sliver.add_slivers(node_elem, node.get('slivers', []))
71 def add_slivers(xml, slivers):
73 for sliver in slivers:
75 if isinstance(sliver, str):
76 filter['component_id'] = '*%s*' % sliver
78 elif 'component_id' in sliver and sliver['component_id']:
79 filter['component_id'] = '*%s*' % sliver['component_id']
80 nodes = SFAv1Node.get_nodes(xml, filter)
84 SFAv1Sliver.add_slivers(node, sliver)
87 def remove_slivers(xml, hostnames):
88 for hostname in hostnames:
89 nodes = SFAv1Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
91 slivers = SFAv1Slivers.get_slivers(node.element)
92 for sliver in slivers:
93 node.element.remove(sliver.element)
96 def get_nodes(xml, filter={}):
97 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
98 node_elems = xml.xpath(xpath)
99 return SFAv1Node.get_node_objs(node_elems)
102 def get_nodes_with_slivers(xml):
103 xpath = '//node/sliver | //default:node/default:sliver' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
104 node_elems = xml.xpath(xpath)
105 return SFAv1Node.get_nodes_objs(node_elems)
109 def get_node_objs(node_elems):
111 for node_elem in node_elems:
112 node = Node(node_elem.attrib, node_elem)
113 if 'site_id' in node_elem.attrib:
114 node['authority_id'] = node_elem.attrib['site_id']
115 location_objs = Element.get(node_elem, './default:location | ./location', Location)
116 if len(location_objs) > 0:
117 node['location'] = location_objs[0]
118 bwlimit_objs = Element.get(node_elem, './default:bw_limit | ./bw_limit', BWlimit)
119 if len(bwlimit_objs) > 0:
120 node['bwlimit'] = bwlimit_objs[0]
121 node['interfaces'] = Element.get(node_elem, './default:interface | ./interface', Interface)
122 node['services'] = PGv2Services.get_services(node_elem)
123 node['slivers'] = SFAv1Sliver.get_slivers(node_elem)
124 node['tags'] = SFAv1PLTag.get_pl_tags(node_elem, ignore=Node.fields.keys())