sfa/managers/aggregate_manager_vini.py

   1 ### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
   2 ### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
   3
   4 import datetime
   5 import time
   6 import traceback
   7 import sys
   8
   9 from types import StringTypes
  10 from sfa.util.namespace import *
  11 from sfa.util.rspec import *
  12 from sfa.util.specdict import *
  13 from sfa.util.faults import *
  14 from sfa.util.record import SfaRecord
  15 from sfa.util.policy import Policy
  16 from sfa.util.record import *
  17 from sfa.util.sfaticket import SfaTicket
  18 from sfa.server.registry import Registries
  19 from sfa.util.debug import log
  20 from sfa.plc.slices import Slices
  21 import sfa.plc.peers as peers
  22 from sfa.managers.vini.vini_network import *
  23 from sfa.plc.api import SfaAPI
  24 from sfa.plc.slices import *
  25 from sfa.managers.aggregate_manager_pl import __get_registry_objects, __get_hostnames
  26
  27 # VINI aggregate is almost identical to PLC aggregate for many operations,
  28 # so lets just import the methods form the PLC manager
  29
  30 from sfa.managers.aggregate_manager_pl import (
  31 start_slice, stop_slice, renew_slice, reset_slice, get_slices, get_ticket)
  32
  33
  34 def get_version():
  35     version = {}
  36     version['geni_api'] = 1
  37     version['sfa'] = 1
  38     return version
  39
  40 def slice_status(api, slice_xrn, creds):
  41     result = {}
  42     result['geni_urn'] = slice_xrn
  43     result['geni_status'] = 'unknown'
  44     result['geni_resources'] = {}
  45     return result
  46
  47
  48 def delete_slice(api, xrn, creds):
  49     hrn, type = urn_to_hrn(xrn)
  50     slicename = hrn_to_pl_slicename(hrn)
  51     slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
  52     if not slices:
  53         return 1
  54     slice = slices[0]
  55
  56     # determine if this is a peer slice
  57     peer = peers.get_peer(api, hrn)
  58     if peer:
  59         api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
  60     api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
  61     if peer:
  62         api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
  63     return 1
  64
  65 def create_slice(api, xrn, creds, xml, users):
  66     """
  67     Verify HRN and initialize the slice record in PLC if necessary.
  68     """
  69
  70     hrn, type = urn_to_hrn(xrn)
  71     peer = None
  72     reg_objects = __get_registry_objects(slice_xrn, creds, users)
  73     slices = Slices(api)
  74     peer = slices.get_peer(hrn)
  75     sfa_peer = slices.get_sfa_peer(hrn)
  76     registries = Registries(api)
  77     registry = registries[api.hrn]
  78     credential = api.getCredential()
  79     site_id, remote_site_id = slices.verify_site(registry, credential, hrn,
  80                                                  peer, sfa_peer, reg_objects)
  81     slice = slices.verify_slice(registry, credential, hrn, site_id,
  82                                 remote_site_id, peer, sfa_peer, reg_objects)
  83
  84     network = ViniNetwork(api)
  85
  86     slice = network.get_slice(api, hrn)
  87     current = __get_hostnames(slice.get_nodes())
  88
  89     network.addRSpec(xml, "/var/www/html/schemas/vini.rng")
  90     #network.addRSpec(xml, "/root/SVN/sfa/trunk/sfa/managers/vini/vini.rng")
  91     request = __get_hostnames(network.nodesWithSlivers())
  92
  93     # remove nodes not in rspec
  94     deleted_nodes = list(set(current).difference(request))
  95
  96     # add nodes from rspec
  97     added_nodes = list(set(request).difference(current))
  98
  99     if peer:
 100         api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
 101
 102     api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
 103     api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
 104
 105     network.updateSliceTags()
 106
 107     if peer:
 108         api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
 109                                      slice.peer_id)
 110
 111     # print network.toxml()
 112
 113     return True
 114
 115 def get_rspec(api, xrn=None, origin_hrn=None):
 116     hrn, type = urn_to_hrn(xrn)
 117     network = ViniNetwork(api)
 118     if (hrn):
 119         if network.get_slice(api, hrn):
 120             network.addSlice()
 121
 122     return network.toxml()
 123
 124 def main():
 125     api = SfaAPI()
 126     """
 127     #rspec = get_rspec(api, None, None)
 128     rspec = get_rspec(api, "plc.princeton.iias", None)
 129     print rspec
 130     """
 131     f = open(sys.argv[1])
 132     xml = f.read()
 133     f.close()
 134     create_slice(api, "plc.princeton.iias", xml)
 135
 136 if __name__ == "__main__":
 137     main()