sfa/senslab/slabaggregate.py

   1 import time
   2 from sfa.util.xrn import hrn_to_urn, urn_to_hrn, get_authority
   3
   4 from sfa.rspecs.rspec import RSpec
   5 #from sfa.rspecs.elements.location import Location
   6 from sfa.rspecs.elements.hardware_type import HardwareType
   7 from sfa.rspecs.elements.login import Login
   8 from sfa.rspecs.elements.services import Services
   9 from sfa.rspecs.elements.sliver import Sliver
  10 from sfa.rspecs.elements.lease import Lease
  11 from sfa.rspecs.elements.granularity import Granularity
  12 from sfa.rspecs.version_manager import VersionManager
  13
  14
  15 from sfa.rspecs.elements.versions.slabv1Node import SlabPosition, SlabNode, \
  16                                                             SlabLocation
  17 from sfa.util.sfalogging import logger
  18
  19 from sfa.util.xrn import Xrn
  20
  21 def slab_xrn_to_hostname(xrn):
  22     return Xrn.unescape(Xrn(xrn=xrn, type='node').get_leaf())
  23
  24 def slab_xrn_object(root_auth, hostname):
  25     """Attributes are urn and hrn.
  26     Get the hostname using slab_xrn_to_hostname on the urn.
  27
  28     """
  29     return Xrn('.'.join( [root_auth, Xrn.escape(hostname)]), type='node')
  30
  31 class SlabAggregate:
  32
  33     sites = {}
  34     nodes = {}
  35     api = None
  36     interfaces = {}
  37     links = {}
  38     node_tags = {}
  39
  40     prepared = False
  41
  42     user_options = {}
  43
  44     def __init__(self, driver):
  45         self.driver = driver
  46
  47     def get_slice_and_slivers(self, slice_xrn, login=None):
  48         """
  49         Returns a dict of slivers keyed on the sliver's node_id
  50         """
  51         slivers = {}
  52         sfa_slice = None
  53         if not slice_xrn:
  54             return (sfa_slice, slivers)
  55         slice_urn = hrn_to_urn(slice_xrn, 'slice')
  56         slice_hrn, _ = urn_to_hrn(slice_xrn)
  57         slice_name = slice_hrn
  58
  59         slices = self.driver.slab_api.GetSlices(slice_filter= str(slice_name), \
  60                                             slice_filter_type = 'slice_hrn', \
  61                                             login=login)
  62
  63         logger.debug("Slabaggregate api \tget_slice_and_slivers \
  64                         sfa_slice %s \r\n slices %s self.driver.hrn %s" \
  65                         %(sfa_slice, slices, self.driver.hrn))
  66         if not slices:
  67             return (sfa_slice, slivers)
  68         #if isinstance(sfa_slice, list):
  69             #sfa_slice = slices[0]
  70         #else:
  71             #sfa_slice = slices
  72
  73         # sort slivers by node id , if there is a job
  74         #and therfore, node allocated to this slice
  75         for sfa_slice in slices:
  76             try:
  77                 node_ids_list =  sfa_slice['node_ids']
  78             except KeyError:
  79                 logger.log_exc("SLABAGGREGATE \t \
  80                                         get_slice_and_slivers KeyError ")
  81                 continue
  82
  83             for node in node_ids_list:
  84                 sliver_xrn = Xrn(slice_urn, type='sliver', id=node)
  85                 sliver_xrn.set_authority(self.driver.hrn)
  86                 sliver = Sliver({'sliver_id':sliver_xrn.urn,
  87                                 'name': sfa_slice['hrn'],
  88                                 'type': 'slab-node',
  89                                 'tags': []})
  90
  91                 slivers[node] = sliver
  92
  93
  94         #Add default sliver attribute :
  95         #connection information for senslab
  96         if get_authority (sfa_slice['hrn']) == self.driver.slab_api.root_auth:
  97             tmp = sfa_slice['hrn'].split('.')
  98             ldap_username = tmp[1].split('_')[0]
  99             ssh_access = None
 100             slivers['default_sliver'] =  {'ssh': ssh_access , \
 101                                         'login': ldap_username}
 102
 103         #TODO get_slice_and_slivers Find the login of the external user
 104
 105         logger.debug("SLABAGGREGATE api get_slice_and_slivers  slivers %s "\
 106                                                              %(slivers))
 107         return (slices, slivers)
 108
 109
 110
 111     def get_nodes(self, slices=None, slivers=[], options={}):
 112         # NT: the semantic of this function is not clear to me :
 113         # if slice is not defined, then all the nodes should be returned
 114         # if slice is defined, we should return only the nodes that
 115         # are part of this slice
 116         # but what is the role of the slivers parameter ?
 117         # So i assume that slice['node_ids'] will be the same as slivers for us
 118         #filter_dict = {}
 119         #if slice_xrn:
 120             #if not slices or not slices['node_ids']:
 121                 #return ([],[])
 122         #tags_filter = {}
 123
 124         # get the granularity in second for the reservation system
 125         grain = self.driver.slab_api.GetLeaseGranularity()
 126
 127         # Commenting this part since all nodes should be returned,
 128         # even if a slice is provided
 129         #if slice :
 130         #    if 'node_ids' in slice and slice['node_ids']:
 131         #        #first case, a non empty slice was provided
 132         #        filter['hostname'] = slice['node_ids']
 133         #        tags_filter=filter.copy()
 134         #        nodes = self.driver.slab_api.GetNodes(filter['hostname'])
 135         #    else :
 136         #        #second case, a slice was provided, but is empty
 137         #        nodes={}
 138         #else :
 139         #    #third case, no slice was provided
 140         #    nodes = self.driver.slab_api.GetNodes()
 141         nodes = self.driver.slab_api.GetNodes()
 142         #geni_available = options.get('geni_available')
 143         #if geni_available:
 144             #filter['boot_state'] = 'boot'
 145
 146         #filter.update({'peer_id': None})
 147         #nodes = self.driver.slab_api.GetNodes(filter['hostname'])
 148
 149         #site_ids = []
 150         #interface_ids = []
 151         #tag_ids = []
 152         nodes_dict = {}
 153         for node in nodes:
 154
 155             nodes_dict[node['node_id']] = node
 156         #logger.debug("SLABAGGREGATE api get_nodes nodes  %s "\
 157                                                              #%(nodes ))
 158         # get sites
 159         #sites_dict  = self.get_sites({'site_id': site_ids})
 160         # get interfaces
 161         #interfaces = self.get_interfaces({'interface_id':interface_ids})
 162         # get tags
 163         #node_tags = self.get_node_tags(tags_filter)
 164
 165         #if slices, this means we got to list all the nodes given to this slice
 166         # Make a list of all the nodes in the slice before getting their attributes
 167         rspec_nodes = []
 168         slice_nodes_list = []
 169         logger.debug("SLABAGGREGATE api get_nodes slice_nodes_list  %s "\
 170                                                              %(slices ))
 171         if slices:
 172             for one_slice in slices:
 173                 try:
 174                     slice_nodes_list = one_slice['node_ids']
 175                 except KeyError:
 176                     pass
 177                 #for node in one_slice['node_ids']:
 178                     #slice_nodes_list.append(node)
 179
 180         reserved_nodes = self.driver.slab_api.GetNodesCurrentlyInUse()
 181         logger.debug("SLABAGGREGATE api get_nodes slice_nodes_list  %s "\
 182                                                              %(slice_nodes_list))
 183         for node in nodes:
 184             # skip whitelisted nodes
 185             #if node['slice_ids_whitelist']:
 186                 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
 187                     #continue
 188             #rspec_node = Node()
 189             #logger.debug("SLABAGGREGATE api get_nodes node  %s "\
 190                                                              #%(node))
 191             if slice_nodes_list == [] or node['hostname'] in slice_nodes_list:
 192
 193                 rspec_node = SlabNode()
 194                 # xxx how to retrieve site['login_base']
 195                 #site_id=node['site_id']
 196                 #site=sites_dict[site_id]
 197
 198                 rspec_node['mobile'] = node['mobile']
 199                 rspec_node['archi'] = node['archi']
 200                 rspec_node['radio'] = node['radio']
 201
 202                 slab_xrn = slab_xrn_object(self.driver.slab_api.root_auth, \
 203                                                     node['hostname'])
 204                 rspec_node['component_id'] = slab_xrn.urn
 205                 rspec_node['component_name'] = node['hostname']
 206                 rspec_node['component_manager_id'] = \
 207                                 hrn_to_urn(self.driver.slab_api.root_auth, 'authority+sa')
 208
 209                 # Senslab's nodes are federated : there is only one authority
 210                 # for all Senslab sites, registered in SFA.
 211                 # Removing the part including the site
 212                 # in authority_id SA 27/07/12
 213                 rspec_node['authority_id'] = rspec_node['component_manager_id']
 214
 215                 # do not include boot state (<available> element)
 216                 #in the manifest rspec
 217
 218
 219                 rspec_node['boot_state'] = node['boot_state']
 220                 if node['hostname'] in reserved_nodes:
 221                     rspec_node['boot_state'] = "Reserved"
 222                 rspec_node['exclusive'] = 'true'
 223                 rspec_node['hardware_types'] = [HardwareType({'name': \
 224                                                 'slab-node'})]
 225
 226                 # only doing this because protogeni rspec needs
 227                 # to advertise available initscripts
 228                 # add site/interface info to nodes.
 229                 # assumes that sites, interfaces and tags have already been
 230                 #prepared.
 231
 232                 location = SlabLocation({'country':'France','site': \
 233                                             node['site']})
 234                 rspec_node['location'] = location
 235
 236
 237                 position = SlabPosition()
 238                 for field in position :
 239                     try:
 240                         position[field] = node[field]
 241                     except KeyError, error :
 242                         logger.log_exc("SLABAGGREGATE\t get_nodes \
 243                                                         position %s "%(error))
 244
 245                 rspec_node['position'] = position
 246                 #rspec_node['interfaces'] = []
 247
 248                 # Granularity
 249                 granularity = Granularity({'grain': grain})
 250                 rspec_node['granularity'] = granularity
 251                 rspec_node['tags'] = []
 252                 if node['hostname'] in slivers:
 253                     # add sliver info
 254                     sliver = slivers[node['hostname']]
 255                     rspec_node['sliver_id'] = sliver['sliver_id']
 256                     rspec_node['client_id'] = node['hostname']
 257                     rspec_node['slivers'] = [sliver]
 258
 259                     # slivers always provide the ssh service
 260                     login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
 261                     service = Services({'login': login})
 262                     rspec_node['services'] = [service]
 263                 rspec_nodes.append(rspec_node)
 264
 265         return (rspec_nodes)
 266
 267     def get_leases(self, slice_record = None, options = {}):
 268
 269         now = int(time.time())
 270         lease_filter = {'clip': now }
 271
 272         #if slice_record:
 273             #lease_filter.update({'name': slice_record['name']})
 274         return_fields = ['lease_id', 'hostname', 'site_id', \
 275                             'name', 'start_time', 'duration']
 276         #leases = self.driver.slab_api.GetLeases(lease_filter)
 277         leases = self.driver.slab_api.GetLeases()
 278         grain = self.driver.slab_api.GetLeaseGranularity()
 279         site_ids = []
 280         rspec_leases = []
 281         for lease in leases:
 282             #as many leases as there are nodes in the job
 283             for node in lease['reserved_nodes']:
 284                 rspec_lease = Lease()
 285                 rspec_lease['lease_id'] = lease['lease_id']
 286                 #site = node['site_id']
 287                 slab_xrn = slab_xrn_object(self.driver.slab_api.root_auth, node)
 288                 rspec_lease['component_id'] = slab_xrn.urn
 289                 #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 290                                         #site, node['hostname'])
 291                 try:
 292                     rspec_lease['slice_id'] = lease['slice_id']
 293                 except KeyError:
 294                     #No info on the slice used in slab_xp table
 295                     pass
 296                 rspec_lease['start_time'] = lease['t_from']
 297                 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
 298                                                                     / grain
 299                 rspec_leases.append(rspec_lease)
 300         return rspec_leases
 301
 302
 303         #rspec_leases = []
 304         #for lease in leases:
 305
 306             #rspec_lease = Lease()
 307
 308             ## xxx how to retrieve site['login_base']
 309
 310             #rspec_lease['lease_id'] = lease['lease_id']
 311             #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 312                                         #site['login_base'], lease['hostname'])
 313             #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
 314             #slice_urn = hrn_to_urn(slice_hrn, 'slice')
 315             #rspec_lease['slice_id'] = slice_urn
 316             #rspec_lease['t_from'] = lease['t_from']
 317             #rspec_lease['t_until'] = lease['t_until']
 318             #rspec_leases.append(rspec_lease)
 319         #return rspec_leases
 320 #from plc/aggregate.py
 321     def get_rspec(self, slice_xrn=None, login=None, version = None, options={}):
 322
 323         rspec = None
 324         version_manager = VersionManager()
 325         version = version_manager.get_version(version)
 326         logger.debug("SlabAggregate \t get_rspec ***version %s \
 327                     version.type %s  version.version %s options %s \r\n" \
 328                     %(version,version.type,version.version,options))
 329
 330         if not slice_xrn:
 331             rspec_version = version_manager._get_version(version.type, \
 332                                                     version.version, 'ad')
 333
 334         else:
 335             rspec_version = version_manager._get_version(version.type, \
 336                                                 version.version, 'manifest')
 337
 338         slices, slivers = self.get_slice_and_slivers(slice_xrn, login)
 339         #at this point sliver may be empty if no senslab job
 340         #is running for this user/slice.
 341         rspec = RSpec(version=rspec_version, user_options=options)
 342
 343
 344         #if slice and 'expires' in slice:
 345            #rspec.xml.set('expires',  datetime_to_epoch(slice['expires']))
 346          # add sliver defaults
 347         #nodes, links = self.get_nodes(slice, slivers)
 348         logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s slices  %s\r\n \r\n"\
 349                                             %(slice_xrn, slices))
 350
 351         try:
 352             lease_option = options['list_leases']
 353         except KeyError:
 354             #If no options are specified, at least print the resources
 355             lease_option = 'all'
 356            #if slice_xrn :
 357                #lease_option = 'all'
 358             pass
 359
 360         if lease_option in ['all', 'resources']:
 361         #if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
 362             nodes = self.get_nodes(slices, slivers)
 363             logger.debug("\r\n \r\n SlabAggregate \ lease_option %s get rspec  ******* nodes %s"\
 364                                             %(lease_option, nodes[0]))
 365
 366             sites_set = set([node['location']['site'] for node in nodes] )
 367
 368             #In case creating a job,  slice_xrn is not set to None
 369             rspec.version.add_nodes(nodes)
 370             if slice_xrn :
 371                 #Get user associated with this slice
 372                 #user = dbsession.query(RegRecord).filter_by(record_id = \
 373                                                 #slices['record_id_user']).first()
 374
 375                 #ldap_username = (user.hrn).split('.')[1]
 376
 377
 378                 #for one_slice in slices :
 379                 ldap_username = slices[0]['hrn']
 380                 tmp = ldap_username.split('.')
 381                 ldap_username = tmp[1].split('_')[0]
 382
 383                 if version.type == "Slab":
 384                     rspec.version.add_connection_information(ldap_username, sites_set)
 385
 386             default_sliver = slivers.get('default_sliver', [])
 387             if default_sliver:
 388                 #default_sliver_attribs = default_sliver.get('tags', [])
 389                 logger.debug("SlabAggregate \tget_rspec **** \
 390                         default_sliver%s \r\n" %(default_sliver))
 391                 for attrib in default_sliver:
 392                     rspec.version.add_default_sliver_attribute(attrib, \
 393                                                                default_sliver[attrib])
 394         if lease_option in ['all','leases']:
 395         #if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
 396             leases = self.get_leases(slices)
 397             rspec.version.add_leases(leases)
 398
 399         #logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\
 400                                             #%(rspec.toxml()))
 401         return rspec.toxml()