sfa/rspecs/elements/versions/sfav1Node.py

   1
   2 from lxml import etree
   3 from sfa.util.plxrn import PlXrn
   4 from sfa.util.xrn import Xrn
   5 from sfa.rspecs.elements.node import Node
   6 from sfa.rspecs.elements.sliver import Sliver
   7 from sfa.rspecs.elements.network import Network
   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.pl_tag import PLTag
  14 from sfa.rspecs.rspec_elements import RSpecElement, RSpecElements
  15 from sfa.rspecs.elements.versions.sfav1Network import SFAv1Network
  16 from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
  17
  18 class SFAv1Node:
  19
  20     elements = {
  21         'node': RSpecElement(RSpecElements.NODE, '//default:node | //node'),
  22         'sliver': RSpecElement(RSpecElements.SLIVER, './default:sliver | ./sliver'),
  23         'interface': RSpecElement(RSpecElements.INTERFACE, './default:interface | ./interface'),
  24         'location': RSpecElement(RSpecElements.LOCATION, './default:location | ./location'),
  25         'bw_limit': RSpecElement(RSpecElements.BWLIMIT, './default:bw_limit | ./bw_limit'),
  26     }
  27
  28     @staticmethod
  29     def add_nodes(xml, nodes):
  30         network_elems = SFAv1Network.get_networks(xml)
  31         if len(network_elems) > 0:
  32             network_elem = network_elems[0]
  33         elif len(nodes) > 0 and nodes[0].get('component_manager_id'):
  34             network_elem = SFAv1Network.add_network(xml.root, {'name': nodes[0]['component_manager_id']})
  35
  36
  37         node_elems = []
  38         for node in nodes:
  39             node_elem = etree.SubElement(network_elem, 'node')
  40             node_elems.append(node_elem)
  41             network = None
  42             if 'component_manager_id' in node and node['component_manager_id']:
  43                 node_elem.set('component_manager_id', node['component_manager_id'])
  44                 network = Xrn(node['component_manager_id']).get_hrn()
  45             if 'component_id' in node and node['component_id']:
  46                 node_elem.set('component_id', node['component_id'])
  47                 xrn = Xrn(node['component_id'])
  48                 node_elem.set('component_name', xrn.get_leaf())
  49                 hostname_tag = etree.SubElement(node_elem, 'hostname').text = xrn.get_leaf()
  50             if 'authority_id' in node and node['authority_id']:
  51                 node_elem.set('site_id', node['authority_id'])
  52             if 'boot_state' in node and node['boot_state']:
  53                 node_elem.set('boot_state', node['boot_state'])
  54             if 'location' in node and node['location']:
  55                 location_elem = etree.SubElement(node_elem, 'location')
  56                 for field in Location.fields:
  57                     if field in node['location'] and node['location'][field]:
  58                         location_elem.set(field, node['location'][field])
  59             if 'interfaces' in node and node['interfaces']:
  60                 i = 0
  61                 for interface in node['interfaces']:
  62                     if 'bwlimit' in interface and interface['bwlimit']:
  63                         bwlimit = etree.SubElement(node_elem, 'bw_limit', units='kbps').text = str(interface['bwlimit']/1000)
  64                     comp_id = PlXrn(auth=network, interface='node%s:eth%s' % (interface['node_id'], i)).get_urn()
  65                     ipaddr = interface['ipv4']
  66                     interface_elem = etree.SubElement(node_elem, 'interface', component_id=comp_id, ipv4=ipaddr)
  67                     i+=1
  68             if 'bw_unallocated' in node and node['bw_unallocated']:
  69                 bw_unallocated = etree.SubElement(node_elem, 'bw_unallocated', units='kbps').text = str(int(node['bw_unallocated'])/1000)
  70
  71             if node.get('services'):
  72                 PGv2Services.add_services(node_elem, node.get('services'))
  73
  74             if 'tags' in node:
  75                 for tag in node['tags']:
  76                    # expose this hard wired list of tags, plus the ones that are marked 'sfa' in their category
  77                    if tag['name'] in ['fcdistro', 'arch']:
  78                         tag_element = etree.SubElement(node_elem, tag['name']).text=tag['value']
  79
  80             if node.get('slivers'):
  81                 for sliver in node['slivers']:
  82                     sliver_elem = etree.SubElement(node_elem, 'sliver')
  83                     if sliver.get('sliver_id'):
  84                         sliver_id_leaf = Xrn(sliver.get('sliver_id')).get_leaf()
  85                         sliver_id_parts = sliver_id_leaf.split(':')
  86                         name = sliver_id_parts[0]
  87                         sliver_elem.set('name', name)
  88
  89     @staticmethod
  90     def add_slivers(xml, slivers):
  91         pass
  92
  93     @staticmethod
  94     def get_nodes(xml):
  95         nodes = []
  96         node_elems = xml.xpath(SFAv1Node.elements['node'].path)
  97         for node_elem in node_elems:
  98             node = Node(node_elem.attrib, node_elem)
  99             if 'site_id' in node_elem.attrib:
 100                 node['authority_id'] = node_elem.attrib['site_id']
 101             if 'authority_id' in node_elem.attrib:
 102                 node['authority_id'] = node_elem.attrib['authority_id']
 103
 104             # set the location
 105             location_elems = node_elem.xpath(SFAv1Node.elements['location'].path, xml.namespaces)
 106             if len(location_elems) > 0:
 107                 node['location'] = Location(location_elems[0].attrib, location_elems[0])
 108
 109             # set the bwlimit
 110             bwlimit_elems = node_elem.xpath(SFAv1Node.elements['bw_limit'].path, xml.namespaces)
 111             if len(bwlimit_elems) > 0:
 112                 bwlimit = BWlimit(bwlimit_elems[0].attrib, bwlimit_elems[0])
 113                 node['bwlimit'] = bwlimit
 114
 115             # set the interfaces
 116             interface_elems = node_elem.xpath(SFAv1Node.elements['interface'].path, xml.namespaces)
 117             node['interfaces'] = []
 118             for interface_elem in interface_elems:
 119                 node['interfaces'].append(Interface(interface_elem.attrib, interface_elem))
 120
 121             # set the slivers
 122             sliver_elems = node_elem.xpath(SFAv1Node.elements['sliver'].path, xml.namespaces)
 123             node['slivers'] = []
 124             for sliver_elem in sliver_elems:
 125                 node['slivers'].append(Sliver(sliver_elem.attrib, sliver_elem))
 126
 127             # set tags
 128             node['tags'] = []
 129             for child in node_elem.iterchildren():
 130                 if child.tag not in SFAv1Node.elements:
 131                     tag = PLTag({'name': child.tag, 'value': child.text}, child)
 132                     node['tags'].append(tag)
 133             nodes.append(node)
 134         return nodes
 135
 136     @staticmethod
 137     def get_nodes_with_slivers(xml):
 138         nodes = SFAv1Node.get_nodes(xml)
 139         nodes_with_slivers = [node for node in nodes if node['slivers']]
 140         return nodes_with_slivers
 141
 142