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 $
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
27 # VINI aggregate is almost identical to PLC aggregate for many operations,
28 # so lets just import the methods form the PLC manager
30 from sfa.managers.aggregate_manager_pl import (
31 start_slice, stop_slice, renew_slice, reset_slice, get_slices, get_ticket)
36 version['geni_api'] = 1
40 def slice_status(api, slice_xrn, creds):
42 result['geni_urn'] = slice_xrn
43 result['geni_status'] = 'unknown'
44 result['geni_resources'] = {}
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})
56 # determine if this is a peer slice
57 peer = peers.get_peer(api, hrn)
59 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
60 api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
62 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
65 def create_slice(api, xrn, creds, xml, users):
67 Verify HRN and initialize the slice record in PLC if necessary.
70 hrn, type = urn_to_hrn(xrn)
72 reg_objects = __get_registry_objects(slice_xrn, creds, users)
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)
84 network = ViniNetwork(api)
86 slice = network.get_slice(api, hrn)
87 current = __get_hostnames(slice.get_nodes())
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())
93 # remove nodes not in rspec
94 deleted_nodes = list(set(current).difference(request))
96 # add nodes from rspec
97 added_nodes = list(set(request).difference(current))
100 api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
102 api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
103 api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
105 network.updateSliceTags()
108 api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
111 # print network.toxml()
115 def get_rspec(api, xrn=None, origin_hrn=None):
116 hrn, type = urn_to_hrn(xrn)
117 network = ViniNetwork(api)
119 if network.get_slice(api, hrn):
122 return network.toxml()
127 #rspec = get_rspec(api, None, None)
128 rspec = get_rspec(api, "plc.princeton.iias", None)
131 f = open(sys.argv[1])
134 create_slice(api, "plc.princeton.iias", xml)
136 if __name__ == "__main__":