sfa/rspecs/versions/iotlabv1.py

   1 from __future__ import print_function
   2
   3 from copy import deepcopy
   4
   5
   6 from sfa.rspecs.version import RSpecVersion
   7 import sys
   8 # from sfa.rspecs.elements.versions.iotlabv1Lease import Iotlabv1Lease
   9 from sfa.rspecs.elements.versions.iotlabv1Node import Iotlabv1Node
  10 from sfa.rspecs.elements.versions.iotlabv1Sliver import Iotlabv1Sliver
  11
  12
  13 from sfa.rspecs.elements.versions.sfav1Lease import SFAv1Lease
  14
  15 from sfa.util.sfalogging import logger
  16
  17
  18 class Iotlabv1(RSpecVersion):
  19     """
  20     Defines Iotlab style RSpec and associated methods to parse and create a
  21     valid Iotlab XML Rspec.
  22     """
  23     #enabled = True
  24     type = 'Iotlab'
  25     content_type = 'ad'
  26     version = '1'
  27     #template = '<RSpec type="%s"></RSpec>' % type
  28
  29     schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
  30     namespace = 'http://www.geni.net/resources/rspec/3'
  31     extensions = {
  32         'flack': "http://www.protogeni.net/resources/rspec/ext/flack/1",
  33         'planetlab': "http://www.planet-lab.org/resources/sfa/ext/planetlab/1",
  34     }
  35     namespaces = dict(list(extensions.items()) + [('default', namespace)])
  36     elements = []
  37
  38     # Network
  39     def get_networks(self):
  40         #WARNING Added //default:network to the xpath
  41         #otherwise network element not detected 16/07/12 SA
  42
  43         network_elems = self.xml.xpath('//network | //default:network')
  44         networks = [network_elem.get_instance(fields=['name', 'slice']) for \
  45                     network_elem in network_elems]
  46         return networks
  47
  48     def add_network(self, network):
  49         network_tags = self.xml.xpath('//network[@name="%s"]' % network)
  50         if not network_tags:
  51             network_tag = self.xml.add_element('network', name=network)
  52         else:
  53             network_tag = network_tags[0]
  54         return network_tag
  55
  56     # Nodes
  57     def get_nodes(self, filter=None):
  58         return Iotlabv1Node.get_nodes(self.xml, filter)
  59
  60     def get_nodes_with_slivers(self):
  61         return Iotlabv1Node.get_nodes_with_slivers(self.xml)
  62
  63     def get_slice_timeslot(self ):
  64         return Iotlabv1Timeslot.get_slice_timeslot(self.xml)
  65
  66     def add_connection_information(self, ldap_username, sites_set):
  67         return Iotlabv1Node.add_connection_information(self.xml,ldap_username, sites_set)
  68
  69     def add_nodes(self, nodes, check_for_dupes=False, rspec_content_type=None):
  70         return Iotlabv1Node.add_nodes(self.xml,nodes, rspec_content_type)
  71
  72     def merge_node(self, source_node_tag, network, no_dupes = False):
  73         logger.debug("SLABV1 merge_node")
  74         #if no_dupes and self.get_node_element(node['hostname']):
  75             ## node already exists
  76             #return
  77         network_tag = self.add_network(network)
  78         network_tag.append(deepcopy(source_node_tag))
  79
  80     # Slivers
  81
  82     def get_sliver_attributes(self, hostname, node, network=None):
  83         print("\r\n \r\n \r\n \t\t SLABV1.PY  get_sliver_attributes hostname %s " %(hostname), file=sys.stderr)
  84         nodes = self.get_nodes({'component_id': '*%s*' %hostname})
  85         attribs = []
  86         print("\r\n \r\n \r\n \t\t SLABV1.PY  get_sliver_attributes-----------------nodes %s  " %(nodes), file=sys.stderr)
  87         if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
  88             node = nodes[0]
  89         #if node :
  90             #sliver = node.xpath('./default:sliver | ./sliver')
  91             #sliver = node.xpath('./default:sliver', namespaces=self.namespaces)
  92             sliver = node['slivers']
  93
  94             if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
  95                 sliver = sliver[0]
  96                 attribs = sliver
  97                 #attribs = self.attributes_list(sliver)
  98                 print("\r\n \r\n \r\n \t\t SLABV1.PY  get_sliver_attributes----------NN------- sliver %s self.namespaces %s attribs %s " %(sliver, self.namespaces,attribs), file=sys.stderr)
  99         return attribs
 100
 101     def get_slice_attributes(self, network=None):
 102
 103         slice_attributes = []
 104
 105         nodes_with_slivers = self.get_nodes_with_slivers()
 106
 107         # TODO: default sliver attributes in the PG rspec?
 108         default_ns_prefix = self.namespaces['default']
 109         for node in nodes_with_slivers:
 110             sliver_attributes = self.get_sliver_attributes(node['component_id'],node, network)
 111             for sliver_attribute in sliver_attributes:
 112                 name = str(sliver_attribute[0])
 113                 text = str(sliver_attribute[1])
 114                 attribs = sliver_attribute[2]
 115                 # we currently only suppor the <initscript> and <flack> attributes
 116                 #if  'info' in name:
 117                     #attribute = {'name': 'flack_info', 'value': str(attribs), 'node_id': node}
 118                     #slice_attributes.append(attribute)
 119                 #elif 'initscript' in name:
 120                 if 'initscript' in name:
 121                     if attribs is not None and 'name' in attribs:
 122                         value = attribs['name']
 123                     else:
 124                         value = text
 125                     attribute = {'name': 'initscript', 'value': value, 'node_id': node}
 126                     slice_attributes.append(attribute)
 127
 128
 129         return slice_attributes
 130
 131     def attributes_list(self, elem):
 132         opts = []
 133         if elem is not None:
 134             for e in elem:
 135                 opts.append((e.tag, str(e.text).strip(), e.attrib))
 136         return opts
 137
 138     def get_default_sliver_attributes(self, network=None):
 139         return []
 140
 141     def add_default_sliver_attribute(self, name, value, network=None):
 142         pass
 143
 144     def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
 145         if attributes is None: attributes=[]
 146         # all nodes hould already be present in the rspec. Remove all
 147         # nodes that done have slivers
 148         print("\r\n \r\n \r\n \t\t\t Iotlabv1.PY add_slivers  ----->get_node ", file=sys.stderr)
 149         for hostname in hostnames:
 150             node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
 151             if not node_elems:
 152                 continue
 153             node_elem = node_elems[0]
 154
 155             # determine sliver types for this node
 156             #TODO : add_slivers valid type of sliver needs to be changed 13/07/12 SA
 157             valid_sliver_types = ['iotlab-node', 'emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
 158             #valid_sliver_types = ['emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
 159             requested_sliver_type = None
 160             for sliver_type in node_elem.get('slivers', []):
 161                 if sliver_type.get('type') in valid_sliver_types:
 162                     requested_sliver_type = sliver_type['type']
 163
 164             if not requested_sliver_type:
 165                 continue
 166             sliver = {'type': requested_sliver_type,
 167                      'pl_tags': attributes}
 168             print("\r\n \r\n \r\n \t\t\t Iotlabv1.PY add_slivers  node_elem %s sliver_type %s \r\n \r\n " %(node_elem, sliver_type), file=sys.stderr)
 169             # remove available element
 170             for available_elem in node_elem.xpath('./default:available | ./available'):
 171                 node_elem.remove(available_elem)
 172
 173             # remove interface elements
 174             for interface_elem in node_elem.xpath('./default:interface | ./interface'):
 175                 node_elem.remove(interface_elem)
 176
 177             # remove existing sliver_type elements
 178             for sliver_type in node_elem.get('slivers', []):
 179                 node_elem.element.remove(sliver_type.element)
 180
 181             # set the client id
 182             node_elem.element.set('client_id', hostname)
 183             if sliver_urn:
 184                 pass
 185                 # TODO
 186                 # set the sliver id
 187                 #slice_id = sliver_info.get('slice_id', -1)
 188                 #node_id = sliver_info.get('node_id', -1)
 189                 #sliver_id = urn_to_sliver_id(sliver_urn, slice_id, node_id)
 190                 #node_elem.set('sliver_id', sliver_id)
 191
 192             # add the sliver type elemnt
 193             Iotlabv1Sliver.add_slivers(node_elem.element, sliver)
 194             #Iotlabv1SliverType.add_slivers(node_elem.element, sliver)
 195
 196         # remove all nodes without slivers
 197         if not append:
 198             for node_elem in self.get_nodes():
 199                 if not node_elem['client_id']:
 200                     parent = node_elem.element.getparent()
 201                     parent.remove(node_elem.element)
 202
 203     def remove_slivers(self, slivers, network=None, no_dupes=False):
 204         Iotlabv1Node.remove_slivers(self.xml, slivers)
 205
 206
 207     # Utility
 208
 209     def merge(self, in_rspec):
 210         """
 211         Merge contents for specified rspec with current rspec
 212         """
 213
 214         if not in_rspec:
 215             return
 216
 217         from sfa.rspecs.rspec import RSpec
 218
 219         if isinstance(in_rspec, RSpec):
 220             rspec = in_rspec
 221         else:
 222             rspec = RSpec(in_rspec)
 223         if rspec.version.type.lower() == 'protogeni':
 224             from sfa.rspecs.rspec_converter import RSpecConverter
 225             in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
 226             rspec = RSpec(in_rspec)
 227         # just copy over all networks
 228         #Attention special get_networks using //default:network xpath
 229         current_networks = self.get_networks()
 230         networks = rspec.version.get_networks()
 231         for network in networks:
 232             current_network = network.get('name')
 233             if current_network and current_network not in current_networks:
 234                 self.xml.append(network.element)
 235                 current_networks.append(current_network)
 236
 237
 238
 239
 240
 241     # Leases
 242
 243     def get_leases(self, lease_filter=None):
 244         return SFAv1Lease.get_leases(self.xml, lease_filter)
 245         #return Iotlabv1Lease.get_leases(self.xml, lease_filter)
 246
 247     def add_leases(self, leases, network = None, no_dupes=False):
 248         SFAv1Lease.add_leases(self.xml, leases)
 249         #Iotlabv1Lease.add_leases(self.xml, leases)
 250
 251     # Spectrum
 252
 253     def get_channels(self, filter=None):
 254         return []
 255
 256     def add_channels(self, channels, network = None, no_dupes=False):
 257         pass
 258
 259     # Links
 260
 261     def get_links(self, network=None):
 262         return []
 263
 264     def get_link_requests(self):
 265         return []
 266
 267     def add_links(self, links):
 268         pass
 269     def add_link_requests(self, links):
 270         pass
 271
 272
 273     def cleanup(self):
 274         # remove unncecessary elements, attributes
 275         if self.type in ['request', 'manifest']:
 276             # remove 'available' element from remaining node elements
 277             self.xml.remove_element('//default:available | //available')
 278
 279
 280 class Iotlabv1Ad(Iotlabv1):
 281     enabled = True
 282     content_type = 'ad'
 283     schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
 284     #http://www.geni.net/resources/rspec/3/ad.xsd'
 285     template = '<rspec type="advertisement" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://senslab.info/resources/rspec/1" xmlns:flack="http://senslab.info/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xsi:schemaLocation="http://senslab.info/resources/rspec/1 http://senslab.info/resources/rspec/1/ad.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd"/>'
 286
 287 class Iotlabv1Request(Iotlabv1):
 288     enabled = True
 289     content_type = 'request'
 290     schema = 'http://senslab.info/resources/rspec/1/request.xsd'
 291     #http://www.geni.net/resources/rspec/3/request.xsd
 292     template = '<rspec type="request" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://senslab.info/resources/rspec/1" xmlns:flack="http://senslab.info/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xsi:schemaLocation="http://senslab.info/resources/rspec/1 http://senslab.info/resources/rspec/1/request.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd"/>'
 293
 294 class Iotlabv1Manifest(Iotlabv1):
 295     enabled = True
 296     content_type = 'manifest'
 297     schema = 'http://senslab.info/resources/rspec/1/manifest.xsd'
 298     #http://www.geni.net/resources/rspec/3/manifest.xsd
 299     template = '<rspec type="manifest" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://senslab.info/resources/rspec/1" xmlns:flack="http://senslab.info/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xsi:schemaLocation="http://senslab.info/resources/rspec/1 http://senslab.info/resources/rspec/1/manifest.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd"/>'
 300
 301
 302 if __name__ == '__main__':
 303     from sfa.rspecs.rspec import RSpec
 304     from sfa.rspecs.rspec_elements import *
 305     r = RSpec('/tmp/iotlab.rspec')
 306     r.load_rspec_elements(Iotlabv1.elements)
 307     r.namespaces = Iotlabv1.namespaces
 308     print(r.get(RSpecElements.NODE))