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 from sfa.planetlab.plxrn import PlXrn, hostname_to_urn, slicename_to_hrn
   9
  10 from sfa.rspecs.rspec import RSpec
  11 from sfa.rspecs.elements.versions.slabv1Node import SlabPosition
  12 from sfa.storage.alchemy import dbsession
  13 from sfa.storage.model import  RegRecord
  14 from sfa.rspecs.elements.location import Location
  15 from sfa.rspecs.elements.hardware_type import HardwareType
  16 from sfa.rspecs.elements.node import Node
  17 #from sfa.rspecs.elements.login import Login
  18 #from sfa.rspecs.elements.services import Services
  19 from sfa.rspecs.elements.sliver import Sliver
  20 from sfa.rspecs.elements.lease import Lease
  21 from sfa.rspecs.elements.granularity import Granularity
  22 from sfa.rspecs.version_manager import VersionManager
  23
  24 #from sfa.util.sfatime import datetime_to_epoch
  25
  26 from sfa.rspecs.elements.versions.slabv1Node import SlabNode
  27 from sfa.util.sfalogging import logger
  28
  29
  30 def hostname_to_hrn(root_auth, login_base, hostname):
  31     return PlXrn(auth=root_auth, hostname=login_base + '_' +hostname).get_hrn()
  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         if sfa_slice['oar_job_id'] is not -1:
  75             try:
  76
  77                 for node_id in sfa_slice['node_ids']:
  78                     #node_id = self.driver.root_auth + '.' + node_id
  79                     sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, \
  80                                     sfa_slice['record_id_slice'], node_id),
  81                                     'name': sfa_slice['slice_hrn'],
  82                                     'type': 'slab-node',
  83                                     'tags': []})
  84                     slivers[node_id] = sliver
  85             except KeyError:
  86                 logger.log_exc("SLABAGGREGATE \t \
  87                                         get_slice_and_slivers KeyError ")
  88         ## sort sliver attributes by node id
  89         ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
  90         ##for tag in tags:
  91             ### most likely a default/global sliver attribute (node_id == None)
  92             ##if tag['node_id'] not in slivers:
  93                 ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
  94                                  ##'name': 'slab-vm',
  95                                  ##'tags': []})
  96                 ##slivers[tag['node_id']] = sliver
  97             ##slivers[tag['node_id']]['tags'].append(tag)
  98         logger.debug("SLABAGGREGATE api get_slice_and_slivers  slivers %s "\
  99                                                              %(slivers))
 100         return (sfa_slice, slivers)
 101
 102
 103
 104     def get_nodes(self, slices=None, slivers=[], options={}):
 105         # NT: the semantic of this function is not clear to me :
 106         # if slice is not defined, then all the nodes should be returned
 107         # if slice is defined, we should return only the nodes that
 108         # are part of this slice
 109         # but what is the role of the slivers parameter ?
 110         # So i assume that slice['node_ids'] will be the same as slivers for us
 111         #filter_dict = {}
 112         tags_filter = {}
 113
 114         # get the granularity in second for the reservation system
 115         grain = self.driver.GetLeaseGranularity()
 116
 117         # Commenting this part since all nodes should be returned,
 118         # even if a slice is provided
 119         #if slice :
 120         #    if 'node_ids' in slice and slice['node_ids']:
 121         #        #first case, a non empty slice was provided
 122         #        filter['hostname'] = slice['node_ids']
 123         #        tags_filter=filter.copy()
 124         #        nodes = self.driver.GetNodes(filter['hostname'])
 125         #    else :
 126         #        #second case, a slice was provided, but is empty
 127         #        nodes={}
 128         #else :
 129         #    #third case, no slice was provided
 130         #    nodes = self.driver.GetNodes()
 131         nodes = self.driver.GetNodes()
 132         #geni_available = options.get('geni_available')
 133         #if geni_available:
 134             #filter['boot_state'] = 'boot'
 135
 136         #filter.update({'peer_id': None})
 137         #nodes = self.driver.GetNodes(filter['hostname'])
 138
 139         #site_ids = []
 140         #interface_ids = []
 141         #tag_ids = []
 142         nodes_dict = {}
 143         for node in nodes:
 144             #site_ids.append(node['site_id'])
 145             #interface_ids.extend(node['interface_ids'])
 146             #tag_ids.extend(node['node_tag_ids'])
 147             nodes_dict[node['node_id']] = node
 148
 149         # get sites
 150         #sites_dict  = self.get_sites({'site_id': site_ids})
 151         # get interfaces
 152         #interfaces = self.get_interfaces({'interface_id':interface_ids})
 153         # get tags
 154         #node_tags = self.get_node_tags(tags_filter)
 155
 156
 157         reserved_nodes = self.driver.GetNodesCurrentlyInUse()
 158         rspec_nodes = []
 159         for node in nodes:
 160             # skip whitelisted nodes
 161             #if node['slice_ids_whitelist']:
 162                 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
 163                     #continue
 164             #rspec_node = Node()
 165             rspec_node = SlabNode()
 166             # xxx how to retrieve site['login_base']
 167             #site_id=node['site_id']
 168             #site=sites_dict[site_id]
 169             rspec_node['mobile'] = node['mobile']
 170             rspec_node['archi'] = node['archi']
 171             rspec_node['radio'] = node['radio']
 172             rspec_node['component_id'] = \
 173                                         hostname_to_urn(self.driver.root_auth, \
 174                                         node['site'], node['hostname'])
 175             rspec_node['component_name'] = node['hostname']
 176             rspec_node['component_manager_id'] = \
 177                             hrn_to_urn(self.driver.root_auth, 'authority+sa')
 178             #rspec_node['component_manager_id'] = Xrn(self.driver.root_auth, 'authority+sa').get_urn()
 179             rspec_node['authority_id'] = \
 180                 hrn_to_urn(PlXrn.site_hrn(self.driver.root_auth, \
 181                                                 node['site']), 'authority+sa')
 182             # do not include boot state (<available> element) in the manifest rspec
 183
 184             #if not slice:
 185             #    rspec_node['boot_state'] = node['boot_state']
 186             #    if node['hostname'] in reserved_nodes:
 187             #        rspec_node['boot_state'] = "Reserved"
 188             rspec_node['boot_state'] = node['boot_state']
 189             if node['hostname'] in reserved_nodes:
 190                 rspec_node['boot_state'] = "Reserved"
 191             rspec_node['exclusive'] = 'True'
 192             rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})]
 193
 194             # only doing this because protogeni rspec needs
 195             # to advertise available initscripts
 196             #rspec_node['pl_initscripts'] = None
 197             # add site/interface info to nodes.
 198             # assumes that sites, interfaces and tags have already been prepared.
 199             #site = sites_dict[node['site_id']]
 200             location = Location({'country':'France'})
 201             rspec_node['location'] = location
 202
 203
 204             position = SlabPosition()
 205             for field in position :
 206                 try:
 207                     position[field] = node[field]
 208                     logger.debug("SLABAGGREGATE\t get_rspecposition field %s position[field] %s "%(field, position[field]))
 209                 except KeyError, error :
 210                     logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error))
 211
 212             rspec_node['position'] = position
 213             #rspec_node['interfaces'] = []
 214             #if_count=0
 215             #for if_id in node['interface_ids']:
 216                 #interface = Interface(interfaces[if_id])
 217                 #interface['ipv4'] = interface['ip']
 218                 #interface['component_id'] = PlXrn(auth=self.driver.hrn,
 219                                                 #interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
 220                 # interfaces in the manifest need a client id
 221                 #if slice:
 222                     #interface['client_id'] = "%s:%s" % (node['node_id'], if_id)
 223                 #rspec_node['interfaces'].append(interface)
 224                 #if_count+=1
 225
 226             #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
 227             # Granularity
 228             granularity = Granularity({'grain': grain})
 229             rspec_node['granularity'] = granularity
 230             rspec_node['tags'] = []
 231             if node['hostname'] in slivers:
 232                 # add sliver info
 233                 sliver = slivers[node['hostname']]
 234                 rspec_node['sliver_id'] = sliver['sliver_id']
 235                 rspec_node['client_id'] = node['hostname']
 236                 rspec_node['slivers'] = [sliver]
 237
 238                 # slivers always provide the ssh service
 239                 #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
 240                 #service = Services({'login': login})
 241                 #rspec_node['services'] = [service]
 242             rspec_nodes.append(rspec_node)
 243         #logger.debug("SLABAGGREGATE \t get_nodes rspec_nodes %s"%(rspec_nodes))
 244         return (rspec_nodes)
 245
 246     def get_leases(self, slice_record = None, options = {}):
 247
 248         now = int(time.time())
 249         lease_filter = {'clip': now }
 250         #if slice_record:
 251             #lease_filter.update({'name': slice_record['name']})
 252         return_fields = ['lease_id', 'hostname', 'site_id', \
 253                             'name', 'start_time', 'duration']
 254         #leases = self.driver.GetLeases(lease_filter)
 255         leases = self.driver.GetLeases()
 256         grain = self.driver.GetLeaseGranularity()
 257         site_ids = []
 258         rspec_leases = []
 259         for lease in leases:
 260             #as many leases as there are nodes in the job
 261             for node in lease['reserved_nodes']:
 262                 rspec_lease = Lease()
 263                 rspec_lease['lease_id'] = lease['lease_id']
 264                 site = node['site_id']
 265                 rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 266                                         site, node['hostname'])
 267                 rspec_lease['slice_id'] = lease['slice_id']
 268                 rspec_lease['start_time'] = lease['t_from']
 269                 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
 270                                                                     / grain
 271                 rspec_leases.append(rspec_lease)
 272         return rspec_leases
 273
 274
 275         #rspec_leases = []
 276         #for lease in leases:
 277
 278             #rspec_lease = Lease()
 279
 280             ## xxx how to retrieve site['login_base']
 281
 282             #rspec_lease['lease_id'] = lease['lease_id']
 283             #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 284                                         #site['login_base'], lease['hostname'])
 285             #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
 286             #slice_urn = hrn_to_urn(slice_hrn, 'slice')
 287             #rspec_lease['slice_id'] = slice_urn
 288             #rspec_lease['t_from'] = lease['t_from']
 289             #rspec_lease['t_until'] = lease['t_until']
 290             #rspec_leases.append(rspec_lease)
 291         #return rspec_leases
 292 #from plc/aggregate.py
 293     def get_rspec(self, slice_xrn=None, version = None, options={}):
 294
 295         rspec = None
 296         version_manager = VersionManager()
 297         version = version_manager.get_version(version)
 298         logger.debug("SlabAggregate \t get_rspec ***version %s \
 299                     version.type %s  version.version %s options %s \r\n" \
 300                     %(version,version.type,version.version,options))
 301
 302         if not slice_xrn:
 303             rspec_version = version_manager._get_version(version.type, \
 304                                                     version.version, 'ad')
 305
 306         else:
 307             rspec_version = version_manager._get_version(version.type, \
 308                                                 version.version, 'manifest')
 309
 310         slices, slivers = self.get_slice_and_slivers(slice_xrn)
 311         #at this point sliver may be empty if no senslab job
 312         #is running for this user/slice.
 313         rspec = RSpec(version=rspec_version, user_options=options)
 314
 315
 316         #if slice and 'expires' in slice:
 317            #rspec.xml.set('expires',  datetime_to_epoch(slice['expires']))
 318          # add sliver defaults
 319         #nodes, links = self.get_nodes(slice, slivers)
 320         logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\
 321                                             %(slice_xrn))
 322         if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
 323             nodes = self.get_nodes(slices, slivers)
 324             #In case creating a job slice _xrn is not set to None
 325             rspec.version.add_nodes(nodes)
 326             if slice_xrn :
 327                 #Get user associated with this slice
 328                 #user = dbsession.query(RegRecord).filter_by(record_id = \
 329                                                 #slices['record_id_user']).first()
 330
 331                 #ldap_username = (user.hrn).split('.')[1]
 332                 ldap_username = slices['slice_hrn']
 333                 tmp = ldap_username.split('.')
 334                 ldap_username = tmp[1].split('_')[0]
 335                 logger.debug("SlabAggregate \tget_rspec **** \
 336                         ldap_username %s \r\n" %(ldap_username))
 337                 rspec.version.add_connection_information(ldap_username)
 338
 339             default_sliver = slivers.get(None, [])
 340             if default_sliver:
 341                 default_sliver_attribs = default_sliver.get('tags', [])
 342                 logger.debug("SlabAggregate \tget_rspec **** \
 343                         default_sliver_attribs %s \r\n" %(default_sliver_attribs))
 344                 for attrib in default_dbsessionsliver_attribs:
 345
 346
 347                     rspec.version.add_default_sliver_attribute(attrib['tagname'], \
 348                                                                 attrib['value'])
 349         if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
 350             leases = self.get_leases(slices)
 351             rspec.version.add_leases(leases)
 352
 353         logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\
 354                                             %(rspec.toxml()))
 355         return rspec.toxml()