1 from sfa.util.plxrn import PlXrn, xrn_to_hostname
2 from sfa.util.xrn import Xrn
3 from sfa.util.xml import XpathFilter
4 from sfa.rspecs.elements.node import Node
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
13 from sfa.rspecs.elements.versions.slabv1Sliver import Slabv1Sliver
17 def add_nodes(xml, nodes):
21 node_fields = ['component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive','boot_state']
22 node_elem = xml.add_instance('node', node, node_fields)
23 node_elems.append(node_elem)
25 if node.get('component_id'):
26 component_name = xrn_to_hostname(node['component_id'])
27 node_elem.set('component_name', component_name)
29 if node.get('hardware_types'):
30 for hardware_type in node.get('hardware_types', []):
31 node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields)
33 if node.get('location'):
34 node_elem.add_instance('location', node['location'], Location.fields)
37 #if node.get('interfaces'):
38 #for interface in node.get('interfaces', []):
39 #node_elem.add_instance('interface', interface, ['component_id', 'client_id'])
40 # set available element
41 if node.get('boot_state'):
42 if node.get('boot_state').lower() == 'alive':
43 available_elem = node_elem.add_element('available', now='true')
45 available_elem = node_elem.add_element('available', now='false')
48 #PGv2Services.add_services(node_elem, node.get('services', []))
50 slivers = node.get('slivers', [])
52 # we must still advertise the available sliver types
53 slivers = Sliver({'type': 'slab-node'})
54 # we must also advertise the available initscripts
56 if node.get('pl_initscripts'):
57 for initscript in node.get('pl_initscripts', []):
58 slivers['tags'].append({'name': 'initscript', 'value': initscript['name']})
60 Slabv1Sliver.add_slivers(node_elem, slivers)
64 def get_nodes(xml, filter={}):
65 xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
66 node_elems = xml.xpath(xpath)
67 print>>sys.stderr, "\r\n \r\n \t\t \t SLABV1NODE.pY get_nodes!!!!!!!!! node_elems %s"%(node_elems)
68 return Slabv1Node.get_node_objs(node_elems)
71 def get_nodes_with_slivers(xml, filter={}):
72 #xpath = '//node[count(sliver_type)>0] | //default:node[count(default:sliver_type) > 0]'
73 xpath = '//node[count(sliver)>0] | //default:node[count(default:sliver) > 0]'
74 node_elems = xml.xpath(xpath)
75 print>>sys.stderr, "\r\n \r\n \t\t \t SLABV1NODE.pY get_nodes_with_slivers node_elems %s"%(node_elems)
76 return Slabv1Node.get_node_objs(node_elems)
79 def get_node_objs(node_elems):
81 for node_elem in node_elems:
82 node = Node(node_elem.attrib, node_elem)
84 if 'component_id' in node_elem.attrib:
85 node['authority_id'] = Xrn(node_elem.attrib['component_id']).get_authority_urn()
88 hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
89 node['hardware_types'] = [hw_type.get_instance(HardwareType) for hw_type in hardware_type_elems]
92 location_elems = node_elem.xpath('./default:location | ./location')
93 locations = [location_elem.get_instance(Location) for location_elem in location_elems]
94 if len(locations) > 0:
95 node['location'] = locations[0]
98 iface_elems = node_elem.xpath('./default:interface | ./interface')
99 node['interfaces'] = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
102 #node['services'] = PGv2Services.get_services(node_elem)
105 node['slivers'] = Slabv1Sliver.get_slivers(node_elem)
106 available_elems = node_elem.xpath('./default:available | ./available')
107 if len(available_elems) > 0 and 'name' in available_elems[0].attrib:
108 if available_elems[0].attrib.get('now', '').lower() == 'true':
109 node['boot_state'] = 'boot'
111 node['boot_state'] = 'disabled'
116 def add_slivers(xml, slivers):
117 print>>sys.stderr, "\r\n \r\n \t\t SLABv1NODE.PY add_slivers "
119 for sliver in slivers:
121 if isinstance(sliver, str):
122 filter['component_id'] = '*%s*' % sliver
124 elif 'component_id' in sliver and sliver['component_id']:
125 filter['component_id'] = '*%s*' % sliver['component_id']
128 nodes = Slabv1Node.get_nodes(xml, filter)
132 Slabv1Sliver.add_slivers(node, sliver)
135 def remove_slivers(xml, hostnames):
136 for hostname in hostnames:
137 nodes = Slabv1Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
139 slivers = Slabv1Sliver.get_slivers(node.element)
140 for sliver in slivers:
141 node.element.remove(sliver.element)
142 if __name__ == '__main__':
143 from sfa.rspecs.rspec import RSpec
145 r = RSpec('/tmp/slab.rspec')
146 r2 = RSpec(version = 'slab')
147 nodes = Slabv1Node.get_nodes(r.xml)
148 Slabv1Node.add_nodes(r2.xml.root, nodes)