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 " \
  64                                                                     %(slices))
  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                     #node_id = self.driver.root_auth + '.' + node_id
  79                     sliver = Sliver({'sliver_id': Xrn(slice_urn, type='slice', id=node['hostname'], authority=self.driver.hrn).urn,
  80                                     'name': sfa_slice['slice_hrn'],
  81                                     'type': 'slab-node',
  82                                     'tags': []})
  83
  84                     slivers[node['hostname']] = sliver
  85             except KeyError:
  86                 logger.log_exc("SLABAGGREGATE \t \
  87                                         get_slice_and_slivers KeyError ")
  88
  89         #Add default sliver attribute :
  90         #connection information for senslab
  91         tmp = sfa_slice['slice_hrn'].split('.')
  92         ldap_username = tmp[1].split('_')[0]
  93         vmaddr = 'ssh ' + ldap_username + '@grenoble.senslab.info'
  94         slivers['default_sliver'] =  {'vm': vmaddr , 'login': ldap_username}
  95         ## sort sliver attributes by node id
  96         ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
  97         ##for tag in tags:
  98             ### most likely a default/global sliver attribute (node_id == None)
  99             ##if tag['node_id'] not in slivers:
 100                 ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
 101                                  ##'name': 'slab-vm',
 102                                  ##'tags': []})
 103                 ##slivers[tag['node_id']] = sliver
 104             ##slivers[tag['node_id']]['tags'].append(tag)
 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.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.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.GetNodes()
 141         nodes = self.driver.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.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
 157         # get sites
 158         #sites_dict  = self.get_sites({'site_id': site_ids})
 159         # get interfaces
 160         #interfaces = self.get_interfaces({'interface_id':interface_ids})
 161         # get tags
 162         #node_tags = self.get_node_tags(tags_filter)
 163
 164         #if slices, this means we got to list all the nodes given to this slice
 165         # Make a list of all the nodes in the slice before getting their attributes
 166         rspec_nodes = []
 167         slice_nodes_list = []
 168         if slices:
 169             for one_slice in slices:
 170                 for node in one_slice['node_ids']:
 171                     slice_nodes_list.append(node['hostname'])
 172
 173         reserved_nodes = self.driver.GetNodesCurrentlyInUse()
 174         logger.debug("SLABAGGREGATE api get_rspec slice_nodes_list  %s "\
 175                                                              %(slice_nodes_list))
 176         for node in nodes:
 177             # skip whitelisted nodes
 178             #if node['slice_ids_whitelist']:
 179                 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
 180                     #continue
 181             #rspec_node = Node()
 182             logger.debug("SLABAGGREGATE api get_rspec node  %s "\
 183                                                              %(node))
 184             if slice_nodes_list == [] or node['hostname'] in slice_nodes_list:
 185
 186                 rspec_node = SlabNode()
 187                 # xxx how to retrieve site['login_base']
 188                 #site_id=node['site_id']
 189                 #site=sites_dict[site_id]
 190                 rspec_node['mobile'] = node['mobile']
 191                 rspec_node['archi'] = node['archi']
 192                 rspec_node['radio'] = node['radio']
 193
 194                 slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
 195                 rspec_node['component_id'] = slab_xrn.urn
 196                 rspec_node['component_name'] = node['hostname']
 197                 rspec_node['component_manager_id'] = \
 198                                 hrn_to_urn(self.driver.root_auth, 'authority+sa')
 199
 200                 # Senslab's nodes are federated : there is only one authority
 201                 # for all Senslab sites, registered in SFA.
 202                 # Removing the part including the site in authority_id SA 27/07/12
 203                 rspec_node['authority_id'] = rspec_node['component_manager_id']
 204
 205                 # do not include boot state (<available> element) in the manifest rspec
 206
 207
 208                 rspec_node['boot_state'] = node['boot_state']
 209                 if node['hostname'] in reserved_nodes:
 210                     rspec_node['boot_state'] = "Reserved"
 211                 rspec_node['exclusive'] = 'True'
 212                 rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})]
 213
 214                 # only doing this because protogeni rspec needs
 215                 # to advertise available initscripts
 216                 #rspec_node['pl_initscripts'] = None
 217                 # add site/interface info to nodes.
 218                 # assumes that sites, interfaces and tags have already been prepared.
 219                 #site = sites_dict[node['site_id']]
 220                 location = Location({'country':'France'})
 221                 rspec_node['location'] = location
 222
 223
 224                 position = SlabPosition()
 225                 for field in position :
 226                     try:
 227                         position[field] = node[field]
 228                     except KeyError, error :
 229                         logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error))
 230
 231                 rspec_node['position'] = position
 232                 #rspec_node['interfaces'] = []
 233
 234                 #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
 235                 # Granularity
 236                 granularity = Granularity({'grain': grain})
 237                 rspec_node['granularity'] = granularity
 238                 rspec_node['tags'] = []
 239                 if node['hostname'] in slivers:
 240                     # add sliver info
 241                     sliver = slivers[node['hostname']]
 242                     rspec_node['sliver_id'] = sliver['sliver_id']
 243                     rspec_node['client_id'] = node['hostname']
 244                     rspec_node['slivers'] = [sliver]
 245
 246                     # slivers always provide the ssh service
 247                     #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
 248                     #service = Services({'login': login})
 249                     #rspec_node['services'] = [service]
 250                 rspec_nodes.append(rspec_node)
 251
 252         return (rspec_nodes)
 253
 254     def get_leases(self, slice_record = None, options = {}):
 255
 256         now = int(time.time())
 257         lease_filter = {'clip': now }
 258
 259         #self.driver.synchronize_oar_and_slice_table()
 260         #if slice_record:
 261             #lease_filter.update({'name': slice_record['name']})
 262         return_fields = ['lease_id', 'hostname', 'site_id', \
 263                             'name', 'start_time', 'duration']
 264         #leases = self.driver.GetLeases(lease_filter)
 265         leases = self.driver.GetLeases()
 266         grain = self.driver.GetLeaseGranularity()
 267         site_ids = []
 268         rspec_leases = []
 269         for lease in leases:
 270             #as many leases as there are nodes in the job
 271             for node in lease['reserved_nodes']:
 272                 rspec_lease = Lease()
 273                 rspec_lease['lease_id'] = lease['lease_id']
 274                 site = node['site_id']
 275                 slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
 276                 rspec_lease['component_id'] = slab_xrn.urn
 277                 #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 278                                         #site, node['hostname'])
 279                 rspec_lease['slice_id'] = lease['slice_id']
 280                 rspec_lease['start_time'] = lease['t_from']
 281                 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
 282                                                                     / grain
 283                 rspec_leases.append(rspec_lease)
 284         return rspec_leases
 285
 286
 287         #rspec_leases = []
 288         #for lease in leases:
 289
 290             #rspec_lease = Lease()
 291
 292             ## xxx how to retrieve site['login_base']
 293
 294             #rspec_lease['lease_id'] = lease['lease_id']
 295             #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 296                                         #site['login_base'], lease['hostname'])
 297             #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
 298             #slice_urn = hrn_to_urn(slice_hrn, 'slice')
 299             #rspec_lease['slice_id'] = slice_urn
 300             #rspec_lease['t_from'] = lease['t_from']
 301             #rspec_lease['t_until'] = lease['t_until']
 302             #rspec_leases.append(rspec_lease)
 303         #return rspec_leases
 304 #from plc/aggregate.py
 305     def get_rspec(self, slice_xrn=None, version = None, options={}):
 306
 307         rspec = None
 308         version_manager = VersionManager()
 309         version = version_manager.get_version(version)
 310         logger.debug("SlabAggregate \t get_rspec ***version %s \
 311                     version.type %s  version.version %s options %s \r\n" \
 312                     %(version,version.type,version.version,options))
 313
 314         if not slice_xrn:
 315             rspec_version = version_manager._get_version(version.type, \
 316                                                     version.version, 'ad')
 317
 318         else:
 319             rspec_version = version_manager._get_version(version.type, \
 320                                                 version.version, 'manifest')
 321
 322         slices, slivers = self.get_slice_and_slivers(slice_xrn)
 323         #at this point sliver may be empty if no senslab job
 324         #is running for this user/slice.
 325         rspec = RSpec(version=rspec_version, user_options=options)
 326
 327
 328         #if slice and 'expires' in slice:
 329            #rspec.xml.set('expires',  datetime_to_epoch(slice['expires']))
 330          # add sliver defaults
 331         #nodes, links = self.get_nodes(slice, slivers)
 332         logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\
 333                                             %(slice_xrn))
 334
 335         try:
 336             lease_option = options['list_leases']
 337         except KeyError:
 338             #If no options are specified, at least print the resources
 339             if slice_xrn :
 340                 lease_option = 'all'
 341             pass
 342
 343         if lease_option in ['all', 'resources']:
 344         #if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
 345             nodes = self.get_nodes(slices, slivers)
 346             logger.debug("SlabAggregate \tget_rspec **** \
 347                         nodes %s \r\n" %(nodes))
 348             #In case creating a job,  slice_xrn is not set to None
 349             rspec.version.add_nodes(nodes)
 350             if slice_xrn :
 351                 #Get user associated with this slice
 352                 #user = dbsession.query(RegRecord).filter_by(record_id = \
 353                                                 #slices['record_id_user']).first()
 354
 355                 #ldap_username = (user.hrn).split('.')[1]
 356
 357
 358                 #for one_slice in slices :
 359                 ldap_username = slices[0]['slice_hrn']
 360                 tmp = ldap_username.split('.')
 361                 ldap_username = tmp[1].split('_')[0]
 362
 363                 if version.type == "Slab":
 364                     rspec.version.add_connection_information(ldap_username)
 365
 366             default_sliver = slivers.get('default_sliver', [])
 367             if default_sliver:
 368                 #default_sliver_attribs = default_sliver.get('tags', [])
 369                 logger.debug("SlabAggregate \tget_rspec **** \
 370                         default_sliver%s \r\n" %(default_sliver))
 371                 for attrib in default_sliver:
 372                     rspec.version.add_default_sliver_attribute(attrib, \
 373                                                                default_sliver[attrib])
 374         if lease_option in ['all','leases']:
 375         #if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
 376             leases = self.get_leases(slices)
 377             rspec.version.add_leases(leases)
 378
 379         logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\
 380                                             %(rspec.toxml()))
 381         return rspec.toxml()