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
   9
  10 from sfa.rspecs.rspec import RSpec
  11 from sfa.rspecs.elements.versions.slabv1Node import SlabPosition
  12 from sfa.rspecs.elements.location import Location
  13 from sfa.rspecs.elements.hardware_type import HardwareType
  14 #from sfa.rspecs.elements.login import Login
  15 #from sfa.rspecs.elements.services import Services
  16 from sfa.rspecs.elements.sliver import Sliver
  17 from sfa.rspecs.elements.lease import Lease
  18 from sfa.rspecs.elements.granularity import Granularity
  19 from sfa.rspecs.version_manager import VersionManager
  20
  21 #from sfa.util.sfatime import datetime_to_epoch
  22
  23 from sfa.rspecs.elements.versions.slabv1Node import SlabNode
  24 from sfa.util.sfalogging import logger
  25
  26
  27 def hostname_to_hrn(root_auth, login_base, hostname):
  28     return PlXrn(auth=root_auth, hostname=login_base + '_' +hostname).get_hrn()
  29
  30 class SlabAggregate:
  31
  32     sites = {}
  33     nodes = {}
  34     api = None
  35     interfaces = {}
  36     links = {}
  37     node_tags = {}
  38
  39     prepared = False
  40
  41     user_options = {}
  42
  43     def __init__(self, driver):
  44         self.driver = driver
  45
  46     def get_slice_and_slivers(self, slice_xrn):
  47         """
  48         Returns a dict of slivers keyed on the sliver's node_id
  49         """
  50         slivers = {}
  51         sfa_slice = None
  52         if not slice_xrn:
  53             return (sfa_slice, slivers)
  54         slice_urn = hrn_to_urn(slice_xrn, 'slice')
  55         slice_hrn, _ = urn_to_hrn(slice_xrn)
  56         slice_name = slice_hrn
  57
  58         slices = self.driver.GetSlices(slice_filter= str(slice_name), \
  59                                                 slice_filter_type = 'slice_hrn')
  60         logger.debug("Slabaggregate api \tget_slice_and_slivers  slices %s " \
  61                                                                     %(slices))
  62         if not slices:
  63             return (sfa_slice, slivers)
  64         if isinstance(sfa_slice, list):
  65             sfa_slice = slices[0]
  66         else:
  67             sfa_slice = slices
  68
  69         # sort slivers by node id , if there is a job
  70         #and therfore, node allocated to this slice
  71         if sfa_slice['oar_job_id'] is not -1:
  72             try:
  73
  74                 for node_id in sfa_slice['node_ids']:
  75                     #node_id = self.driver.root_auth + '.' + node_id
  76                     sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, \
  77                                     sfa_slice['record_id_slice'], node_id),
  78                                     'name': sfa_slice['slice_hrn'],
  79                                     'type': 'slab-node',
  80                                     'tags': []})
  81                     slivers[node_id] = sliver
  82             except KeyError:
  83                 logger.log_exc("SLABAGGREGATE \t \
  84                                         get_slice_and_slivers KeyError ")
  85         ## sort sliver attributes by node id
  86         ##tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
  87         ##for tag in tags:
  88             ### most likely a default/global sliver attribute (node_id == None)
  89             ##if tag['node_id'] not in slivers:
  90                 ##sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
  91                                  ##'name': 'slab-vm',
  92                                  ##'tags': []})
  93                 ##slivers[tag['node_id']] = sliver
  94             ##slivers[tag['node_id']]['tags'].append(tag)
  95         logger.debug("SLABAGGREGATE api get_slice_and_slivers  slivers %s "\
  96                                                              %(slivers))
  97         return (sfa_slice, slivers)
  98
  99
 100
 101     def get_nodes(self, slices=None, slivers=[], options={}):
 102         # NT: the semantic of this function is not clear to me :
 103         # if slice is not defined, then all the nodes should be returned
 104         # if slice is defined, we should return only the nodes that
 105         # are part of this slice
 106         # but what is the role of the slivers parameter ?
 107         # So i assume that slice['node_ids'] will be the same as slivers for us
 108         #filter_dict = {}
 109         tags_filter = {}
 110
 111         # get the granularity in second for the reservation system
 112         grain = self.driver.GetLeaseGranularity()
 113
 114         # Commenting this part since all nodes should be returned,
 115         # even if a slice is provided
 116         #if slice :
 117         #    if 'node_ids' in slice and slice['node_ids']:
 118         #        #first case, a non empty slice was provided
 119         #        filter['hostname'] = slice['node_ids']
 120         #        tags_filter=filter.copy()
 121         #        nodes = self.driver.GetNodes(filter['hostname'])
 122         #    else :
 123         #        #second case, a slice was provided, but is empty
 124         #        nodes={}
 125         #else :
 126         #    #third case, no slice was provided
 127         #    nodes = self.driver.GetNodes()
 128         nodes = self.driver.GetNodes()
 129         #geni_available = options.get('geni_available')
 130         #if geni_available:
 131             #filter['boot_state'] = 'boot'
 132
 133         #filter.update({'peer_id': None})
 134         #nodes = self.driver.GetNodes(filter['hostname'])
 135
 136         #site_ids = []
 137         #interface_ids = []
 138         #tag_ids = []
 139         nodes_dict = {}
 140         for node in nodes:
 141             #site_ids.append(node['site_id'])
 142             #interface_ids.extend(node['interface_ids'])
 143             #tag_ids.extend(node['node_tag_ids'])
 144             nodes_dict[node['node_id']] = node
 145
 146         # get sites
 147         #sites_dict  = self.get_sites({'site_id': site_ids})
 148         # get interfaces
 149         #interfaces = self.get_interfaces({'interface_id':interface_ids})
 150         # get tags
 151         #node_tags = self.get_node_tags(tags_filter)
 152
 153
 154         reserved_nodes = self.driver.GetNodesCurrentlyInUse()
 155         rspec_nodes = []
 156         for node in nodes:
 157             # skip whitelisted nodes
 158             #if node['slice_ids_whitelist']:
 159                 #if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
 160                     #continue
 161             #rspec_node = Node()
 162             rspec_node = SlabNode()
 163             # xxx how to retrieve site['login_base']
 164             #site_id=node['site_id']
 165             #site=sites_dict[site_id]
 166             rspec_node['mobile'] = node['mobile']
 167             rspec_node['archi'] = node['archi']
 168             rspec_node['radio'] = node['radio']
 169             rspec_node['component_id'] = \
 170                                         hostname_to_urn(self.driver.root_auth, \
 171                                         node['site'], node['hostname'])
 172             rspec_node['component_name'] = node['hostname']
 173             rspec_node['component_manager_id'] = \
 174                             hrn_to_urn(self.driver.root_auth, 'authority+sa')
 175             #rspec_node['component_manager_id'] = Xrn(self.driver.root_auth, 'authority+sa').get_urn()
 176             rspec_node['authority_id'] = \
 177                 hrn_to_urn(PlXrn.site_hrn(self.driver.root_auth, \
 178                                                 node['site']), 'authority+sa')
 179             # do not include boot state (<available> element) in the manifest rspec
 180
 181             #if not slice:
 182             #    rspec_node['boot_state'] = node['boot_state']
 183             #    if node['hostname'] in reserved_nodes:
 184             #        rspec_node['boot_state'] = "Reserved"
 185             rspec_node['boot_state'] = node['boot_state']
 186             if node['hostname'] in reserved_nodes:
 187                 rspec_node['boot_state'] = "Reserved"
 188             rspec_node['exclusive'] = 'True'
 189             rspec_node['hardware_types'] = [HardwareType({'name': 'slab-node'})]
 190
 191             # only doing this because protogeni rspec needs
 192             # to advertise available initscripts
 193             #rspec_node['pl_initscripts'] = None
 194             # add site/interface info to nodes.
 195             # assumes that sites, interfaces and tags have already been prepared.
 196             #site = sites_dict[node['site_id']]
 197             location = Location({'country':'France'})
 198             rspec_node['location'] = location
 199
 200
 201             position = SlabPosition()
 202             for field in position :
 203                 try:
 204                     position[field] = node[field]
 205                     logger.debug("SLABAGGREGATE\t get_rspecposition field %s position[field] %s "%(field, position[field]))
 206                 except KeyError, error :
 207                     logger.log_exc("SLABAGGREGATE\t get_rspec position %s "%(error))
 208
 209             rspec_node['position'] = position
 210             #rspec_node['interfaces'] = []
 211             #if_count=0
 212             #for if_id in node['interface_ids']:
 213                 #interface = Interface(interfaces[if_id])
 214                 #interface['ipv4'] = interface['ip']
 215                 #interface['component_id'] = PlXrn(auth=self.driver.hrn,
 216                                                 #interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
 217                 # interfaces in the manifest need a client id
 218                 #if slice:
 219                     #interface['client_id'] = "%s:%s" % (node['node_id'], if_id)
 220                 #rspec_node['interfaces'].append(interface)
 221                 #if_count+=1
 222
 223             #tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
 224             # Granularity
 225             granularity = Granularity({'grain': grain})
 226             rspec_node['granularity'] = granularity
 227             rspec_node['tags'] = []
 228             if node['hostname'] in slivers:
 229                 # add sliver info
 230                 sliver = slivers[node['hostname']]
 231                 rspec_node['sliver_id'] = sliver['sliver_id']
 232                 rspec_node['client_id'] = node['hostname']
 233                 rspec_node['slivers'] = [sliver]
 234
 235                 # slivers always provide the ssh service
 236                 #login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
 237                 #service = Services({'login': login})
 238                 #rspec_node['services'] = [service]
 239             rspec_nodes.append(rspec_node)
 240         #logger.debug("SLABAGGREGATE \t get_nodes rspec_nodes %s"%(rspec_nodes))
 241         return (rspec_nodes)
 242
 243     def get_leases(self, slice_record = None, options = {}):
 244
 245         now = int(time.time())
 246         lease_filter = {'clip': now }
 247         #if slice_record:
 248             #lease_filter.update({'name': slice_record['name']})
 249         return_fields = ['lease_id', 'hostname', 'site_id', \
 250                             'name', 'start_time', 'duration']
 251         #leases = self.driver.GetLeases(lease_filter)
 252         leases = self.driver.GetLeases()
 253         grain = self.driver.GetLeaseGranularity()
 254         site_ids = []
 255         rspec_leases = []
 256         for lease in leases:
 257             #as many leases as there are nodes in the job
 258             for node in lease['reserved_nodes']:
 259                 rspec_lease = Lease()
 260                 rspec_lease['lease_id'] = lease['lease_id']
 261                 site = node['site_id']
 262                 rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 263                                         site, node['hostname'])
 264                 rspec_lease['slice_id'] = lease['slice_id']
 265                 rspec_lease['start_time'] = lease['t_from']
 266                 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) \
 267                                                                     / grain
 268                 rspec_leases.append(rspec_lease)
 269         return rspec_leases
 270
 271
 272         #rspec_leases = []
 273         #for lease in leases:
 274
 275             #rspec_lease = Lease()
 276
 277             ## xxx how to retrieve site['login_base']
 278
 279             #rspec_lease['lease_id'] = lease['lease_id']
 280             #rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, \
 281                                         #site['login_base'], lease['hostname'])
 282             #slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
 283             #slice_urn = hrn_to_urn(slice_hrn, 'slice')
 284             #rspec_lease['slice_id'] = slice_urn
 285             #rspec_lease['t_from'] = lease['t_from']
 286             #rspec_lease['t_until'] = lease['t_until']
 287             #rspec_leases.append(rspec_lease)
 288         #return rspec_leases
 289 #from plc/aggregate.py
 290     def get_rspec(self, slice_xrn=None, version = None, options={}):
 291
 292         rspec = None
 293         version_manager = VersionManager()
 294         version = version_manager.get_version(version)
 295         logger.debug("SlabAggregate \t get_rspec ***version %s \
 296                     version.type %s  version.version %s options %s \r\n" \
 297                     %(version,version.type,version.version,options))
 298
 299         if not slice_xrn:
 300             rspec_version = version_manager._get_version(version.type, \
 301                                                     version.version, 'ad')
 302
 303         else:
 304             rspec_version = version_manager._get_version(version.type, \
 305                                                 version.version, 'manifest')
 306
 307         slices, slivers = self.get_slice_and_slivers(slice_xrn)
 308         #at this point sliver may be empty if no senslab job
 309         #is running for this user/slice.
 310         rspec = RSpec(version=rspec_version, user_options=options)
 311
 312
 313         #if slice and 'expires' in slice:
 314            #rspec.xml.set('expires',  datetime_to_epoch(slice['expires']))
 315          # add sliver defaults
 316         #nodes, links = self.get_nodes(slice, slivers)
 317         logger.debug("\r\n \r\n SlabAggregate \tget_rspec ******* slice_xrn %s \r\n \r\n"\
 318                                             %(slice_xrn))
 319         if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
 320             nodes = self.get_nodes(slices, slivers)
 321             #In case creating a job slice _xrn is not set to None
 322             rspec.version.add_nodes(nodes)
 323             if slice_xrn :
 324                 #Get user associated with this slice
 325                 #user = dbsession.query(RegRecord).filter_by(record_id = \
 326                                                 #slices['record_id_user']).first()
 327
 328                 #ldap_username = (user.hrn).split('.')[1]
 329                 ldap_username = slices['slice_hrn']
 330                 tmp = ldap_username.split('.')
 331                 ldap_username = tmp[1].split('_')[0]
 332                 logger.debug("SlabAggregate \tget_rspec **** \
 333                         ldap_username %s \r\n" %(ldap_username))
 334                 rspec.version.add_connection_information(ldap_username)
 335
 336             default_sliver = slivers.get(None, [])
 337             if default_sliver:
 338                 default_sliver_attribs = default_sliver.get('tags', [])
 339                 logger.debug("SlabAggregate \tget_rspec **** \
 340                         default_sliver_attribs %s \r\n" %(default_sliver_attribs))
 341                 for attrib in default_dbsessionsliver_attribs:
 342
 343
 344                     rspec.version.add_default_sliver_attribute(attrib['tagname'], \
 345                                                                 attrib['value'])
 346         if options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
 347             leases = self.get_leases(slices)
 348             rspec.version.add_leases(leases)
 349
 350         logger.debug("SlabAggregate \tget_rspec ******* rspec_toxml %s \r\n"\
 351                                             %(rspec.toxml()))
 352         return rspec.toxml()