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