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             if sfa_slice['oar_job_id'] is not -1:
  80                 try:
  81
  82                     for node_id in sfa_slice['node_ids']:
  83                         #node_id = self.driver.root_auth + '.' + node_id
  84                         sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, \
  85                                         sfa_slice['record_id_slice'], node_id),
  86                                         'name': sfa_slice['slice_hrn'],
  87                                         'type': 'slab-node',
  88                                         'tags': []})
  89                         slivers[node_id] = sliver
  90                 except KeyError:
  91                     logger.log_exc("SLABAGGREGATE \t \
  92                                             get_slice_and_slivers KeyError ")
  93         ## sort sliver attributes by node id
  94         ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
  95         ##for tag in tags:
  96             ### most likely a default/global sliver attribute (node_id == None)
  97             ##if tag['node_id'] not in slivers:
  98                 ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
  99                                  ##'name': 'slab-vm',
 100                                  ##'tags': []})
 101                 ##slivers[tag['node_id']] = sliver
 102             ##slivers[tag['node_id']]['tags'].append(tag)
 103         logger.debug("SLABAGGREGATE api get_slice_and_slivers  slivers %s "\
 104                                                              %(slivers))
 105         return (sfa_slice, slivers)
 106
 107
 108
 109     def get_nodes(self, slices=None, slivers=[], options={}):
 110         # NT: the semantic of this function is not clear to me :
 111         # if slice is not defined, then all the nodes should be returned
 112         # if slice is defined, we should return only the nodes that
 113         # are part of this slice
 114         # but what is the role of the slivers parameter ?
 115         # So i assume that slice['node_ids'] will be the same as slivers for us
 116         #filter_dict = {}
 117         tags_filter = {}
 118
 119         # get the granularity in second for the reservation system
 120         grain = self.driver.GetLeaseGranularity()
 121
 122         # Commenting this part since all nodes should be returned,
 123         # even if a slice is provided
 124         #if slice :
 125         #    if 'node_ids' in slice and slice['node_ids']:
 126         #        #first case, a non empty slice was provided
 127         #        filter['hostname'] = slice['node_ids']
 128         #        tags_filter=filter.copy()
 129         #        nodes = self.driver.GetNodes(filter['hostname'])
 130         #    else :
 131         #        #second case, a slice was provided, but is empty
 132         #        nodes={}
 133         #else :
 134         #    #third case, no slice was provided
 135         #    nodes = self.driver.GetNodes()
 136         nodes = self.driver.GetNodes()
 137         #geni_available = options.get('geni_available')
 138         #if geni_available:
 139             #filter['boot_state'] = 'boot'
 140
 141         #filter.update({'peer_id': None})
 142         #nodes = self.driver.GetNodes(filter['hostname'])
 143
 144         #site_ids = []
 145         #interface_ids = []
 146         #tag_ids = []
 147         nodes_dict = {}
 148         for node in nodes:
 149             #site_ids.append(node['site_id'])
 150             #interface_ids.extend(node['interface_ids'])
 151             #tag_ids.extend(node['node_tag_ids'])
 152             nodes_dict[node['node_id']] = node
 153
 154         # get sites
 155         #sites_dict  = self.get_sites({'site_id': site_ids})
 156         # get interfaces
 157         #interfaces = self.get_interfaces({'interface_id':interface_ids})
 158         # get tags
 159         #node_tags = self.get_node_tags(tags_filter)
 160
 161
 162         reserved_nodes = self.driver.GetNodesCurrentlyInUse()
 163         rspec_nodes = []
 164         for node in nodes:
 165             # skip whitelisted nodes
 166             #if node['slice_ids_whitelist']:
 167                 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
 168                     #continue
 169             #rspec_node = Node()
 170             rspec_node = SlabNode()
 171             # xxx how to retrieve site['login_base']
 172             #site_id=node['site_id']
 173             #site=sites_dict[site_id]
 174             rspec_node['mobile'] = node['mobile']
 175             rspec_node['archi'] = node['archi']
 176             rspec_node['radio'] = node['radio']
 177
 178             slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
 179             rspec_node['component_id'] = slab_xrn.urn
 180             rspec_node['component_name'] = node['hostname']
 181             rspec_node['component_manager_id'] = \
 182                             hrn_to_urn(self.driver.root_auth, 'authority+sa')
 183
 184             # Senslab's nodes are federated : there is only one authority
 185             # for all Senslab sites, registered in SFA.
 186             # Removing the part including the site in authority_id SA 27/07/12
 187             rspec_node['authority_id'] = rspec_node['component_manager_id']
 188
 189             # do not include boot state (<available> element) in the manifest rspec
 190
 191             #if not slice:
 192             #    rspec_node['boot_state'] = node['boot_state']
 193             #    if node['hostname'] in reserved_nodes:
 194             #        rspec_node['boot_state'] = "Reserved"
 195             rspec_node['boot_state'] = node['boot_state']
 196             if node['hostname'] in reserved_nodes:
 197                 rspec_node['boot_state'] = "Reserved"
 198             rspec_node['exclusive'] = 'True'
 199             rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})]
 200
 201             # only doing this because protogeni rspec needs
 202             # to advertise available initscripts
 203             #rspec_node['pl_initscripts'] = None
 204             # add site/interface info to nodes.
 205             # assumes that sites, interfaces and tags have already been prepared.
 206             #site = sites_dict[node['site_id']]
 207             location = Location({'country':'France'})
 208             rspec_node['location'] = location
 209
 210
 211             position = SlabPosition()
 212             for field in position :
 213                 try:
 214                     position[field] = node[field]
 215                 except KeyError, error :
 216                     logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error))
 217
 218             rspec_node['position'] = position
 219             #rspec_node['interfaces'] = []
 220             #if_count=0
 221             #for if_id in node['interface_ids']:
 222                 #interface = Interface(interfaces[if_id])
 223                 #interface['ipv4'] = interface['ip']
 224                 #interface['component_id'] = PlXrn(auth=self.driver.hrn,
 225                                                 #interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
 226                 # interfaces in the manifest need a client id
 227                 #if slice:
 228                     #interface['client_id'] = "%s:%s" % (node['node_id'], if_id)
 229                 #rspec_node['interfaces'].append(interface)
 230                 #if_count+=1
 231
 232             #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
 233             # Granularity
 234             granularity = Granularity({'grain': grain})
 235             rspec_node['granularity'] = granularity
 236             rspec_node['tags'] = []
 237             if node['hostname'] in slivers:
 238                 # add sliver info
 239                 sliver = slivers[node['hostname']]
 240                 rspec_node['sliver_id'] = sliver['sliver_id']
 241                 rspec_node['client_id'] = node['hostname']
 242                 rspec_node['slivers'] = [sliver]
 243
 244                 # slivers always provide the ssh service
 245                 #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
 246                 #service = Services({'login': login})
 247                 #rspec_node['services'] = [service]
 248             rspec_nodes.append(rspec_node)
 249
 250         return (rspec_nodes)
 251
 252     def get_leases(self, slice_record = None, options = {}):
 253
 254         now = int(time.time())
 255         lease_filter = {'clip': now }
 256
 257         self.driver.synchronize_oar_and_slice_table()
 258         #if slice_record:
 259             #lease_filter.update({'name': slice_record['name']})
 260         return_fields = ['lease_id', 'hostname', 'site_id', \
 261                             'name', 'start_time', 'duration']
 262         #leases = self.driver.GetLeases(lease_filter)
 263         leases = self.driver.GetLeases()
 264         grain = self.driver.GetLeaseGranularity()
 265         site_ids = []
 266         rspec_leases = []
 267         for lease in leases:
 268             #as many leases as there are nodes in the job
 269             for node in lease['reserved_nodes']:
 270                 rspec_lease = Lease()
 271                 rspec_lease['lease_id'] = lease['lease_id']
 272                 site = node['site_id']
 273                 slab_xrn = slab_xrn_object(self.driver.root_auth, node['hostname'])
 274                 rspec_lease['component_id'] = slab_xrn.urn
 275                 #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 276                                         #site, node['hostname'])
 277                 rspec_lease['slice_id'] = lease['slice_id']
 278                 rspec_lease['start_time'] = lease['t_from']
 279                 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
 280                                                                     / grain
 281                 rspec_leases.append(rspec_lease)
 282         return rspec_leases
 283
 284
 285         #rspec_leases = []
 286         #for lease in leases:
 287
 288             #rspec_lease = Lease()
 289
 290             ## xxx how to retrieve site['login_base']
 291
 292             #rspec_lease['lease_id'] = lease['lease_id']
 293             #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 294                                         #site['login_base'], lease['hostname'])
 295             #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
 296             #slice_urn = hrn_to_urn(slice_hrn, 'slice')
 297             #rspec_lease['slice_id'] = slice_urn
 298             #rspec_lease['t_from'] = lease['t_from']
 299             #rspec_lease['t_until'] = lease['t_until']
 300             #rspec_leases.append(rspec_lease)
 301         #return rspec_leases
 302 #from plc/aggregate.py
 303     def get_rspec(self, slice_xrn=None, version = None, options={}):
 304
 305         rspec = None
 306         version_manager = VersionManager()
 307         version = version_manager.get_version(version)
 308         logger.debug("SlabAggregate \t get_rspec ***version %s \
 309                     version.type %s  version.version %s options %s \r\n" \
 310                     %(version,version.type,version.version,options))
 311
 312         if not slice_xrn:
 313             rspec_version = version_manager._get_version(version.type, \
 314                                                     version.version, 'ad')
 315
 316         else:
 317             rspec_version = version_manager._get_version(version.type, \
 318                                                 version.version, 'manifest')
 319
 320         slices, slivers = self.get_slice_and_slivers(slice_xrn)
 321         #at this point sliver may be empty if no senslab job
 322         #is running for this user/slice.
 323         rspec = RSpec(version=rspec_version, user_options=options)
 324
 325
 326         #if slice and 'expires' in slice:
 327            #rspec.xml.set('expires',  datetime_to_epoch(slice['expires']))
 328          # add sliver defaults
 329         #nodes, links = self.get_nodes(slice, slivers)
 330         logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\
 331                                             %(slice_xrn))
 332         if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
 333             nodes = self.get_nodes(slices, slivers)
 334             #In case creating a job slice _xrn is not set to None
 335             rspec.version.add_nodes(nodes)
 336             if slice_xrn :
 337                 #Get user associated with this slice
 338                 #user = dbsession.query(RegRecord).filter_by(record_id = \
 339                                                 #slices['record_id_user']).first()
 340
 341                 #ldap_username = (user.hrn).split('.')[1]
 342                 ldap_username = slices['slice_hrn']
 343                 tmp = ldap_username.split('.')
 344                 ldap_username = tmp[1].split('_')[0]
 345                 logger.debug("SlabAggregate \tget_rspec **** \
 346                         ldap_username %s rspec.version %s\r\n" %(ldap_username, rspec.version))
 347                 if version.type == "Slab":
 348                     rspec.version.add_connection_information(ldap_username)
 349
 350             default_sliver = slivers.get(None, [])
 351             if default_sliver:
 352                 default_sliver_attribs = default_sliver.get('tags', [])
 353                 logger.debug("SlabAggregate \tget_rspec **** \
 354                         default_sliver_attribs %s \r\n" %(default_sliver_attribs))
 355                 for attrib in default_dbsessionsliver_attribs:
 356
 357
 358                     rspec.version.add_default_sliver_attribute(attrib['tagname'], \
 359                                                                 attrib['value'])
 360         if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
 361             leases = self.get_leases(slices)
 362             rspec.version.add_leases(leases)
 363
 364         logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\
 365                                             %(rspec.toxml()))
 366         return rspec.toxml()