sfa/rspecs/elements/versions/iotlabv1Node.py

   1
   2 from sfa.util.xrn import Xrn
   3 from sfa.util.xml import XpathFilter
   4 from sfa.rspecs.elements.node import NodeElement
   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.element import Element
   9 from sfa.rspecs.elements.interface import Interface
  10 from sfa.rspecs.elements.versions.iotlabv1Sliver import Iotlabv1Sliver
  11 from sfa.util.sfalogging import logger
  12
  13 <<<<<<< HEAD:sfa/rspecs/elements/versions/slabv1Node.py
  14 class SlabNode(NodeElement):
  15     #First get the fields already defined in the class Node
  16     fields = list(NodeElement.fields)
  17     #Extend it with senslab's specific fields
  18 =======
  19 class IotlabNode(Node):
  20     #First get the fields already defined in the class Node
  21     fields = list(Node.fields)
  22     #Extend it with iotlab's specific fields
  23 >>>>>>> 7cb1e78... Renaming Senslab into Iotlab.:sfa/rspecs/elements/versions/iotlabv1Node.py
  24     fields.extend (['archi', 'radio', 'mobile','position'])
  25
  26
  27 class IotlabPosition(Element):
  28     fields = ['posx', 'posy','posz']
  29
  30 class IotlabLocation(Location):
  31     fields = list(Location.fields)
  32     fields.extend (['site'])
  33
  34
  35
  36
  37 class Iotlabv1Node:
  38
  39     @staticmethod
  40     def add_connection_information(xml, ldap_username, sites_set):
  41         """ Adds login and ssh connection info in the network item in
  42         the xml. Does not create the network element, therefore
  43         should be used after add_nodes, which creates the network item.
  44
  45         """
  46         logger.debug(" add_connection_information " )
  47         #Get network item in the xml
  48         network_elems = xml.xpath('//network')
  49         if len(network_elems) > 0:
  50             network_elem = network_elems[0]
  51
  52         iotlab_network_dict = {}
  53         iotlab_network_dict['login'] = ldap_username
  54
  55         iotlab_network_dict['ssh'] = \
  56             ['ssh ' + ldap_username + '@'+site+'.iotlab.info' \
  57             for site in sites_set]
  58         network_elem.set('ssh', \
  59                 unicode(iotlab_network_dict['ssh']))
  60         network_elem.set('login', unicode( iotlab_network_dict['login']))
  61
  62
  63     @staticmethod
  64     def add_nodes(xml, nodes):
  65         #Add network item in the xml
  66         network_elems = xml.xpath('//network')
  67         if len(network_elems) > 0:
  68             network_elem = network_elems[0]
  69         elif len(nodes) > 0 and nodes[0].get('component_manager_id'):
  70             network_urn = nodes[0]['component_manager_id']
  71             network_elem = xml.add_element('network', \
  72                                         name = Xrn(network_urn).get_hrn())
  73         else:
  74             network_elem = xml
  75
  76         logger.debug("iotlabv1Node \t add_nodes  nodes %s \r\n "%(nodes[0]))
  77         node_elems = []
  78         #Then add nodes items to the network item in the xml
  79         for node in nodes:
  80             #Attach this node to the network element
  81             node_fields = ['component_manager_id', 'component_id', 'exclusive',\
  82                                                     'boot_state', 'mobile']
  83             node_elem = network_elem.add_instance('node', node, node_fields)
  84             node_elems.append(node_elem)
  85
  86             #Set the attibutes of this node element
  87             for attribute in node:
  88             # set component name
  89                 if attribute is 'component_id':
  90                     component_name = node['component_name']
  91                     node_elem.set('component_name', component_name)
  92
  93             # set hardware types, extend fields to add Iotlab's architecture
  94             #and radio type
  95
  96                 if attribute is 'hardware_types':
  97                     for hardware_type in node.get('hardware_types', []):
  98                         fields = HardwareType.fields
  99                         fields.extend(['archi','radio'])
 100                         node_elem.add_instance('hardware_types', node, fields)
 101
 102             # set location
 103                 if attribute is 'location':
 104                     node_elem.add_instance('location', node['location'], \
 105                                                         IotlabLocation.fields)
 106              # add granularity of the reservation system
 107              #TODO put the granularity in network instead SA 18/07/12
 108                 if attribute is 'granularity' :
 109                     granularity = node['granularity']
 110                     if granularity:
 111                         node_elem.add_instance('granularity', \
 112                                     granularity, granularity.fields)
 113
 114
 115             # set available element
 116                 if attribute is 'boot_state':
 117                     if node.get('boot_state').lower() == 'alive':
 118                         available_elem = node_elem.add_element('available', \
 119                                                                     now='true')
 120                     else:
 121                         available_elem = node_elem.add_element('available', \
 122                                                                 now='false')
 123
 124             #set position
 125                 if attribute is 'position':
 126                     node_elem.add_instance('position', node['position'], \
 127                                                         IotlabPosition.fields)
 128             ## add services
 129             #PGv2Services.add_services(node_elem, node.get('services', []))
 130             # add slivers
 131                 if attribute is 'slivers':
 132                     slivers = node.get('slivers', [])
 133                     if not slivers:
 134                     # we must still advertise the available sliver types
 135                         slivers = Sliver({'type': 'iotlab-node'})
 136                     # we must also advertise the available initscripts
 137                     #slivers['tags'] = []
 138                     #if node.get('pl_initscripts'):
 139                         #for initscript in node.get('pl_initscripts', []):
 140                             #slivers['tags'].append({'name': 'initscript', \
 141                                                     #'value': initscript['name']})
 142
 143                     Iotlabv1Sliver.add_slivers(node_elem, slivers)
 144         return node_elems
 145
 146
 147
 148     @staticmethod
 149     def get_nodes(xml, filter={}):
 150         xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), \
 151                                                     XpathFilter.xpath(filter))
 152         node_elems = xml.xpath(xpath)
 153         return Iotlabv1Node.get_node_objs(node_elems)
 154
 155     @staticmethod
 156     def get_nodes_with_slivers(xml, sliver_filter={}):
 157
 158         xpath = '//node[count(sliver)>0] | \
 159                                 //default:node[count(default:sliver) > 0]'
 160         node_elems = xml.xpath(xpath)
 161         logger.debug("SLABV1NODE \tget_nodes_with_slivers  \
 162                                 node_elems %s"%(node_elems))
 163         return Iotlabv1Node.get_node_objs(node_elems)
 164
 165     @staticmethod
 166     def get_node_objs(node_elems):
 167         nodes = []
 168         for node_elem in node_elems:
 169 <<<<<<< HEAD:sfa/rspecs/elements/versions/slabv1Node.py
 170             node = NodeElement(node_elem.attrib, node_elem)
 171             nodes.append(node)
 172 =======
 173             node = Node(node_elem.attrib, node_elem)
 174             nodes.append(node)
 175 >>>>>>> 7cb1e78... Renaming Senslab into Iotlab.:sfa/rspecs/elements/versions/iotlabv1Node.py
 176             if 'component_id' in node_elem.attrib:
 177                 node['authority_id'] = \
 178                     Xrn(node_elem.attrib['component_id']).get_authority_urn()
 179
 180             # get hardware types
 181             hardware_type_elems = node_elem.xpath('./default:hardware_type | \
 182                                                             ./hardware_type')
 183             node['hardware_types'] = [hw_type.get_instance(HardwareType) \
 184                                             for hw_type in hardware_type_elems]
 185
 186             # get location
 187             location_elems = node_elem.xpath('./default:location | ./location')
 188             locations = [location_elem.get_instance(Location) \
 189                                             for location_elem in location_elems]
 190             if len(locations) > 0:
 191                 node['location'] = locations[0]
 192
 193
 194             # get interfaces
 195             iface_elems = node_elem.xpath('./default:interface | ./interface')
 196             node['interfaces'] = [iface_elem.get_instance(Interface) \
 197                                             for iface_elem in iface_elems]
 198
 199             # get services
 200             #node['services'] = PGv2Services.get_services(node_elem)
 201
 202             # get slivers
 203             node['slivers'] = Iotlabv1Sliver.get_slivers(node_elem)
 204             available_elems = node_elem.xpath('./default:available | \
 205                                                                 ./available')
 206             if len(available_elems) > 0 and 'name' in available_elems[0].attrib:
 207                 if available_elems[0].attrib.get('now', '').lower() == 'true':
 208                     node['boot_state'] = 'boot'
 209                 else:
 210                     node['boot_state'] = 'disabled'
 211
 212         logger.debug("SLABV1NODE \tget_nodes_objs  \
 213                                 #nodes %s"%(nodes))
 214         return nodes
 215
 216
 217     @staticmethod
 218     def add_slivers(xml, slivers):
 219         logger.debug("Iotlabv1NODE \tadd_slivers ")
 220         component_ids = []
 221         for sliver in slivers:
 222             filter_sliver = {}
 223             if isinstance(sliver, str):
 224                 filter_sliver['component_id'] = '*%s*' % sliver
 225                 sliver = {}
 226             elif 'component_id' in sliver and sliver['component_id']:
 227                 filter_sliver['component_id'] = '*%s*' % sliver['component_id']
 228             if not filter_sliver:
 229                 continue
 230             nodes = Iotlabv1Node.get_nodes(xml, filter_sliver)
 231             if not nodes:
 232                 continue
 233             node = nodes[0]
 234             Iotlabv1Sliver.add_slivers(node, sliver)
 235
 236     @staticmethod
 237     def remove_slivers(xml, hostnames):
 238         for hostname in hostnames:
 239             nodes = Iotlabv1Node.get_nodes(xml, \
 240                                     {'component_id': '*%s*' % hostname})
 241             for node in nodes:
 242                 slivers = Iotlabv1Sliver.get_slivers(node.element)
 243                 for sliver in slivers:
 244                     node.element.remove(sliver.element)
 245
 246
 247