sfa/senslab/slabaggregate.py

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