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