sfa/senslab/slabaggregate.py

   1 import time
   2
   3
   4 from sfa.util.xrn import hrn_to_urn, urn_to_hrn
   5
   6 from sfa.rspecs.rspec import RSpec
   7 from sfa.rspecs.elements.versions.slabv1Node import SlabPosition
   8 from sfa.rspecs.elements.location import Location
   9 from sfa.rspecs.elements.hardware_type import HardwareType
  10 #from sfa.rspecs.elements.login import Login
  11 #from sfa.rspecs.elements.services import Services
  12 from sfa.rspecs.elements.sliver import Sliver
  13 from sfa.rspecs.elements.lease import Lease
  14 from sfa.rspecs.elements.granularity import Granularity
  15 from sfa.rspecs.version_manager import VersionManager
  16
  17
  18 from sfa.rspecs.elements.versions.slabv1Node import SlabNode
  19 from sfa.util.sfalogging import logger
  20
  21 from sfa.util.xrn import Xrn
  22
  23 def slab_xrn_to_hostname(xrn):
  24     return Xrn.unescape(Xrn(xrn=xrn, type='node').get_leaf())
  25
  26 def slab_xrn_object(root_auth, hostname):
  27     """Attributes are urn and hrn.
  28     Get the hostname using slab_xrn_to_hostname on the urn.
  29
  30     """
  31     return Xrn('.'.join( [root_auth, Xrn.escape(hostname)]), type='node')
  32
  33 class SlabAggregate:
  34
  35     sites = {}
  36     nodes = {}
  37     api = None
  38     interfaces = {}
  39     links = {}
  40     node_tags = {}
  41
  42     prepared = False
  43
  44     user_options = {}
  45
  46     def __init__(self, driver):
  47         self.driver = driver
  48
  49     def get_slice_and_slivers(self, slice_xrn):
  50         """
  51         Returns a dict of slivers keyed on the sliver's node_id
  52         """
  53         slivers = {}
  54         sfa_slice = None
  55         if not slice_xrn:
  56             return (sfa_slice, slivers)
  57         slice_urn = hrn_to_urn(slice_xrn, 'slice')
  58         slice_hrn, _ = urn_to_hrn(slice_xrn)
  59         slice_name = slice_hrn
  60
  61         slices = self.driver.GetSlices(slice_filter= str(slice_name), \
  62                                                 slice_filter_type = 'slice_hrn')
  63         logger.debug("Slabaggregate api \tget_slice_and_slivers  slices %s self.driver.hrn %s" \
  64                                                                     %(slices, self.driver.hrn))
  65         if not slices:
  66             return (sfa_slice, slivers)
  67         #if isinstance(sfa_slice, list):
  68             #sfa_slice = slices[0]
  69         #else:
  70             #sfa_slice = slices
  71
  72         # sort slivers by node id , if there is a job
  73         #and therfore, node allocated to this slice
  74         for sfa_slice in slices:
  75             try:
  76
  77                 for node in sfa_slice['node_ids']:
  78                     sliver_xrn = Xrn(slice_urn, type='sliver', id=node)
  79                     sliver_xrn.set_authority(self.driver.hrn)
  80                     #node_id = self.driver.root_auth + '.' + node_id
  81                     sliver = Sliver({'sliver_id':sliver_xrn.urn,
  82                                     'name': sfa_slice['slice_hrn'],
  83                                     'type': 'slab-node',
  84                                     'tags': []})
  85
  86                     slivers[node] = sliver
  87             except KeyError:
  88                 logger.log_exc("SLABAGGREGATE \t \
  89                                         get_slice_and_slivers KeyError ")
  90
  91         #Add default sliver attribute :
  92         #connection information for senslab
  93         tmp = sfa_slice['slice_hrn'].split('.')
  94         ldap_username = tmp[1].split('_')[0]
  95         vmaddr = 'ssh ' + ldap_username + '@grenoble.senslab.info'
  96         slivers['default_sliver'] =  {'vm': vmaddr , 'login': ldap_username}
  97         ## sort sliver attributes by node id
  98         ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
  99         ##for tag in tags:
 100             ### most likely a default/global sliver attribute (node_id == None)
 101             ##if tag['node_id'] not in slivers:
 102                 ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
 103                                  ##'name': 'slab-vm',
 104                                  ##'tags': []})
 105                 ##slivers[tag['node_id']] = sliver
 106             ##slivers[tag['node_id']]['tags'].append(tag)
 107         logger.debug("SLABAGGREGATE api get_slice_and_slivers  slivers %s "\
 108                                                              %(slivers))
 109         return (slices, slivers)
 110
 111
 112
 113     def get_nodes(self, slices=None, slivers=[], options={}):
 114         # NT: the semantic of this function is not clear to me :
 115         # if slice is not defined, then all the nodes should be returned
 116         # if slice is defined, we should return only the nodes that
 117         # are part of this slice
 118         # but what is the role of the slivers parameter ?
 119         # So i assume that slice['node_ids'] will be the same as slivers for us
 120         #filter_dict = {}
 121         #if slice_xrn:
 122             #if not slices or not slices['node_ids']:
 123                 #return ([],[])
 124         tags_filter = {}
 125
 126         # get the granularity in second for the reservation system
 127         grain = self.driver.GetLeaseGranularity()
 128
 129         # Commenting this part since all nodes should be returned,
 130         # even if a slice is provided
 131         #if slice :
 132         #    if 'node_ids' in slice and slice['node_ids']:
 133         #        #first case, a non empty slice was provided
 134         #        filter['hostname'] = slice['node_ids']
 135         #        tags_filter=filter.copy()
 136         #        nodes = self.driver.GetNodes(filter['hostname'])
 137         #    else :
 138         #        #second case, a slice was provided, but is empty
 139         #        nodes={}
 140         #else :
 141         #    #third case, no slice was provided
 142         #    nodes = self.driver.GetNodes()
 143         nodes = self.driver.GetNodes()
 144         #geni_available = options.get('geni_available')
 145         #if geni_available:
 146             #filter['boot_state'] = 'boot'
 147
 148         #filter.update({'peer_id': None})
 149         #nodes = self.driver.GetNodes(filter['hostname'])
 150
 151         #site_ids = []
 152         #interface_ids = []
 153         #tag_ids = []
 154         nodes_dict = {}
 155         for node in nodes:
 156
 157             nodes_dict[node['node_id']] = node
 158
 159         # get sites
 160         #sites_dict  = self.get_sites({'site_id': site_ids})
 161         # get interfaces
 162         #interfaces = self.get_interfaces({'interface_id':interface_ids})
 163         # get tags
 164         #node_tags = self.get_node_tags(tags_filter)
 165
 166         #if slices, this means we got to list all the nodes given to this slice
 167         # Make a list of all the nodes in the slice before getting their attributes
 168         rspec_nodes = []
 169         slice_nodes_list = []
 170         logger.debug("SLABAGGREGATE api get_rspec slice_nodes_list  %s "\
 171                                                              %(slices ))
 172         if slices:
 173             for one_slice in slices:
 174                 slice_nodes_list = one_slice['node_ids']
 175                 #for node in one_slice['node_ids']:
 176                     #slice_nodes_list.append(node)
 177
 178         reserved_nodes = self.driver.GetNodesCurrentlyInUse()
 179         logger.debug("SLABAGGREGATE api get_rspec slice_nodes_list  %s "\
 180                                                              %(slice_nodes_list))
 181         for node in nodes:
 182             # skip whitelisted nodes
 183             #if node['slice_ids_whitelist']:
 184                 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
 185                     #continue
 186             #rspec_node = Node()
 187             logger.debug("SLABAGGREGATE api get_rspec node  %s "\
 188                                                              %(node))
 189             if slice_nodes_list == [] or node['hostname'] in slice_nodes_list:
 190
 191                 rspec_node = SlabNode()
 192                 # xxx how to retrieve site['login_base']
 193                 #site_id=node['site_id']
 194                 #site=sites_dict[site_id]
 195                 rspec_node['mobile'] = node['mobile']
 196                 rspec_node['archi'] = node['archi']
 197                 rspec_node['radio'] = node['radio']
 198
 199                 slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
 200                 rspec_node['component_id'] = slab_xrn.urn
 201                 rspec_node['component_name'] = node['hostname']
 202                 rspec_node['component_manager_id'] = \
 203                                 hrn_to_urn(self.driver.root_auth, 'authority+sa')
 204
 205                 # Senslab's nodes are federated : there is only one authority
 206                 # for all Senslab sites, registered in SFA.
 207                 # Removing the part including the site in authority_id SA 27/07/12
 208                 rspec_node['authority_id'] = rspec_node['component_manager_id']
 209
 210                 # do not include boot state (<available> element) in the manifest rspec
 211
 212
 213                 rspec_node['boot_state'] = node['boot_state']
 214                 if node['hostname'] in reserved_nodes:
 215                     rspec_node['boot_state'] = "Reserved"
 216                 rspec_node['exclusive'] = 'true'
 217                 rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})]
 218
 219                 # only doing this because protogeni rspec needs
 220                 # to advertise available initscripts
 221                 #rspec_node['pl_initscripts'] = None
 222                 # add site/interface info to nodes.
 223                 # assumes that sites, interfaces and tags have already been prepared.
 224                 #site = sites_dict[node['site_id']]
 225                 location = Location({'country':'France'})
 226                 rspec_node['location'] = location
 227
 228
 229                 position = SlabPosition()
 230                 for field in position :
 231                     try:
 232                         position[field] = node[field]
 233                     except KeyError, error :
 234                         logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error))
 235
 236                 rspec_node['position'] = position
 237                 #rspec_node['interfaces'] = []
 238
 239                 #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
 240                 # Granularity
 241                 granularity = Granularity({'grain': grain})
 242                 rspec_node['granularity'] = granularity
 243                 rspec_node['tags'] = []
 244                 if node['hostname'] in slivers:
 245                     # add sliver info
 246                     sliver = slivers[node['hostname']]
 247                     rspec_node['sliver_id'] = sliver['sliver_id']
 248                     rspec_node['client_id'] = node['hostname']
 249                     rspec_node['slivers'] = [sliver]
 250
 251                     # slivers always provide the ssh service
 252                     #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
 253                     #service = Services({'login': login})
 254                     #rspec_node['services'] = [service]
 255                 rspec_nodes.append(rspec_node)
 256
 257         return (rspec_nodes)
 258
 259     def get_leases(self, slice_record = None, options = {}):
 260
 261         now = int(time.time())
 262         lease_filter = {'clip': now }
 263
 264         #self.driver.synchronize_oar_and_slice_table()
 265         #if slice_record:
 266             #lease_filter.update({'name': slice_record['name']})
 267         return_fields = ['lease_id', 'hostname', 'site_id', \
 268                             'name', 'start_time', 'duration']
 269         #leases = self.driver.GetLeases(lease_filter)
 270         leases = self.driver.GetLeases()
 271         grain = self.driver.GetLeaseGranularity()
 272         site_ids = []
 273         rspec_leases = []
 274         for lease in leases:
 275             #as many leases as there are nodes in the job
 276             for node in lease['reserved_nodes']:
 277                 rspec_lease = Lease()
 278                 rspec_lease['lease_id'] = lease['lease_id']
 279                 #site = node['site_id']
 280                 slab_xrn = slab_xrn_object(self.driver.root_auth, node)
 281                 rspec_lease['component_id'] = slab_xrn.urn
 282                 #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 283                                         #site, node['hostname'])
 284                 rspec_lease['slice_id'] = lease['slice_id']
 285                 rspec_lease['start_time'] = lease['t_from']
 286                 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
 287                                                                     / grain
 288                 rspec_leases.append(rspec_lease)
 289         return rspec_leases
 290
 291
 292         #rspec_leases = []
 293         #for lease in leases:
 294
 295             #rspec_lease = Lease()
 296
 297             ## xxx how to retrieve site['login_base']
 298
 299             #rspec_lease['lease_id'] = lease['lease_id']
 300             #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 301                                         #site['login_base'], lease['hostname'])
 302             #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
 303             #slice_urn = hrn_to_urn(slice_hrn, 'slice')
 304             #rspec_lease['slice_id'] = slice_urn
 305             #rspec_lease['t_from'] = lease['t_from']
 306             #rspec_lease['t_until'] = lease['t_until']
 307             #rspec_leases.append(rspec_lease)
 308         #return rspec_leases
 309 #from plc/aggregate.py
 310     def get_rspec(self, slice_xrn=None, version = None, options={}):
 311
 312         rspec = None
 313         version_manager = VersionManager()
 314         version = version_manager.get_version(version)
 315         logger.debug("SlabAggregate \t get_rspec ***version %s \
 316                     version.type %s  version.version %s options %s \r\n" \
 317                     %(version,version.type,version.version,options))
 318
 319         if not slice_xrn:
 320             rspec_version = version_manager._get_version(version.type, \
 321                                                     version.version, 'ad')
 322
 323         else:
 324             rspec_version = version_manager._get_version(version.type, \
 325                                                 version.version, 'manifest')
 326
 327         slices, slivers = self.get_slice_and_slivers(slice_xrn)
 328         #at this point sliver may be empty if no senslab job
 329         #is running for this user/slice.
 330         rspec = RSpec(version=rspec_version, user_options=options)
 331
 332
 333         #if slice and 'expires' in slice:
 334            #rspec.xml.set('expires',  datetime_to_epoch(slice['expires']))
 335          # add sliver defaults
 336         #nodes, links = self.get_nodes(slice, slivers)
 337         logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\
 338                                             %(slice_xrn))
 339
 340         try:
 341             lease_option = options['list_leases']
 342         except KeyError:
 343             #If no options are specified, at least print the resources
 344             if slice_xrn :
 345                 lease_option = 'all'
 346             pass
 347
 348         if lease_option in ['all', 'resources']:
 349         #if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
 350             nodes = self.get_nodes(slices, slivers)
 351             logger.debug("SlabAggregate \tget_rspec **** \
 352                         nodes %s \r\n" %(nodes))
 353             #In case creating a job,  slice_xrn is not set to None
 354             rspec.version.add_nodes(nodes)
 355             if slice_xrn :
 356                 #Get user associated with this slice
 357                 #user = dbsession.query(RegRecord).filter_by(record_id = \
 358                                                 #slices['record_id_user']).first()
 359
 360                 #ldap_username = (user.hrn).split('.')[1]
 361
 362
 363                 #for one_slice in slices :
 364                 ldap_username = slices[0]['slice_hrn']
 365                 tmp = ldap_username.split('.')
 366                 ldap_username = tmp[1].split('_')[0]
 367
 368                 if version.type == "Slab":
 369                     rspec.version.add_connection_information(ldap_username)
 370
 371             default_sliver = slivers.get('default_sliver', [])
 372             if default_sliver:
 373                 #default_sliver_attribs = default_sliver.get('tags', [])
 374                 logger.debug("SlabAggregate \tget_rspec **** \
 375                         default_sliver%s \r\n" %(default_sliver))
 376                 for attrib in default_sliver:
 377                     rspec.version.add_default_sliver_attribute(attrib, \
 378                                                                default_sliver[attrib])
 379         if lease_option in ['all','leases']:
 380         #if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
 381             leases = self.get_leases(slices)
 382             rspec.version.add_leases(leases)
 383
 384         logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\
 385                                             %(rspec.toxml()))
 386         return rspec.toxml()