2 from sfa.util.xml import XpathFilter
3 from sfa.util.plxrn import PlXrn, xrn_to_hostname
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.elements.versions.sfav1Sliver import SFAv1Sliver
16 from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
17 from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
22 def add_nodes(xml, nodes):
23 network_elems = Element.get_elements(xml, '//network', fields=['name'])
24 if len(network_elems) > 0:
25 network_elem = network_elems[0]
26 elif len(nodes) > 0 and nodes[0].get('component_manager_id'):
27 network_urn = nodes[0]['component_manager_id']
28 network_elems = Element.add_elements(xml, 'network', {'name': Xrn(network_urn).get_hrn()})
29 network_elem = network_elems[0]
33 node_fields = ['component_manager_id', 'component_id', 'boot_state']
34 elems = Element.add_elements(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 component_name = xrn_to_hostname(node['component_id'])
46 node_elem.set('component_name', component_name)
47 hostname_tag = node_elem.add_element('hostname')
48 hostname_tag.set_text(component_name)
51 if 'authority_id' in node and node['authority_id']:
52 node_elem.set('site_id', node['authority_id'])
54 location_elems = Element.add_elements(node_elem, 'location', node.get('location', []), Location.fields)
55 interface_elems = Element.add_elements(node_elem, 'interface', node.get('interfaces', []), Interface.fields)
57 #if 'bw_unallocated' in node and node['bw_unallocated']:
58 # bw_unallocated = etree.SubElement(node_elem, 'bw_unallocated', units='kbps').text = str(int(node['bw_unallocated'])/1000)
60 PGv2Services.add_services(node_elem, node.get('services', []))
61 SFAv1PLTag.add_pl_tags(node_elem, node.get('tags', []))
62 SFAv1Sliver.add_slivers(node_elem, node.get('slivers', []))
65 def add_slivers(xml, slivers):
67 for sliver in slivers:
69 if isinstance(sliver, str):
70 filter['component_id'] = '*%s*' % sliver
72 elif 'component_id' in sliver and sliver['component_id']:
73 filter['component_id'] = '*%s*' % sliver['component_id']
76 nodes = SFAv1Node.get_nodes(xml, filter)
80 SFAv1Sliver.add_slivers(node, sliver)
83 def remove_slivers(xml, hostnames):
84 for hostname in hostnames:
85 nodes = SFAv1Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
87 slivers = SFAv1Slivers.get_slivers(node.element)
88 for sliver in slivers:
89 node.element.remove(sliver.element)
92 def get_nodes(xml, filter={}):
93 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
94 node_elems = xml.xpath(xpath)
95 return SFAv1Node.get_node_objs(node_elems)
98 def get_nodes_with_slivers(xml):
99 xpath = '//node/sliver | //default:node/default:sliver'
100 node_elems = xml.xpath(xpath)
101 return SFAv1Node.get_node_objs(node_elems)
105 def get_node_objs(node_elems):
107 for node_elem in node_elems:
108 node = Node(node_elem.attrib, node_elem)
109 if 'site_id' in node_elem.attrib:
110 node['authority_id'] = node_elem.attrib['site_id']
111 location_objs = Element.get_elements(node_elem, './default:location | ./location', Location)
112 if len(location_objs) > 0:
113 node['location'] = location_objs[0]
114 bwlimit_objs = Element.get_elements(node_elem, './default:bw_limit | ./bw_limit', BWlimit)
115 if len(bwlimit_objs) > 0:
116 node['bwlimit'] = bwlimit_objs[0]
117 node['interfaces'] = Element.get_elements(node_elem, './default:interface | ./interface', Interface)
118 node['services'] = PGv2Services.get_services(node_elem)
119 node['slivers'] = SFAv1Sliver.get_slivers(node_elem)
120 node['tags'] = SFAv1PLTag.get_pl_tags(node_elem, ignore=Node.fields.keys())