-### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
-
import datetime
import time
import traceback
import sys
from types import StringTypes
-from sfa.util.namespace import *
+from sfa.util.xrn import urn_to_hrn
+from sfa.util.plxrn import hrn_to_pl_slicename
from sfa.util.rspec import *
from sfa.util.specdict import *
from sfa.util.faults import *
from sfa.util.record import *
from sfa.util.sfaticket import SfaTicket
from sfa.server.registry import Registries
-from sfa.util.debug import log
from sfa.plc.slices import Slices
import sfa.plc.peers as peers
from sfa.managers.vini.vini_network import *
from sfa.plc.api import SfaAPI
from sfa.plc.slices import *
+from sfa.managers.aggregate_manager_pl import __get_registry_objects, __get_hostnames
+
+# VINI aggregate is almost identical to PLC aggregate for many operations,
+# so lets just import the methods form the PLC manager
+
+from sfa.managers.aggregate_manager_pl import (
+start_slice, stop_slice, renew_slice, reset_slice, get_slices, get_ticket)
+
+
+def get_version():
+ version = {}
+ version['geni_api'] = 1
+ version['sfa'] = 1
+ return version
-def delete_slice(api, xrn):
+def slice_status(api, slice_xrn, creds):
+ result = {}
+ result['geni_urn'] = slice_xrn
+ result['geni_status'] = 'unknown'
+ result['geni_resources'] = {}
+ return result
+
+
+def delete_slice(api, xrn, creds):
hrn, type = urn_to_hrn(xrn)
slicename = hrn_to_pl_slicename(hrn)
slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
return 1
slice = slices[0]
- # determine if this is a peer slice
- peer = peers.get_peer(api, hrn)
- if peer:
- api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
- if peer:
- api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
return 1
-def __get_hostnames(nodes):
- hostnames = []
- for node in nodes:
- hostnames.append(node.hostname)
- return hostnames
-
-def create_slice(api, xrn, xml):
- hrn, type = urn_to_hrn(xrn)
- peer = None
-
+def create_slice(api, xrn, creds, xml, users):
"""
Verify HRN and initialize the slice record in PLC if necessary.
"""
+
+ hrn, type = urn_to_hrn(xrn)
+ peer = None
+ reg_objects = __get_registry_objects(slice_xrn, creds, users)
slices = Slices(api)
peer = slices.get_peer(hrn)
sfa_peer = slices.get_sfa_peer(hrn)
registry = registries[api.hrn]
credential = api.getCredential()
site_id, remote_site_id = slices.verify_site(registry, credential, hrn,
- peer, sfa_peer)
+ peer, sfa_peer, reg_objects)
slice = slices.verify_slice(registry, credential, hrn, site_id,
- remote_site_id, peer, sfa_peer)
+ remote_site_id, peer, sfa_peer, reg_objects)
network = ViniNetwork(api)
# add nodes from rspec
added_nodes = list(set(request).difference(current))
- if peer:
- api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
-
api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
-
network.updateSliceTags()
- if peer:
- api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
- slice.peer_id)
-
- print network.toxml()
+ # print network.toxml()
return True
-
-def get_ticket(api, xrn, rspec, origin_hrn=None):
- slice_hrn, type = urn_to_hrn(xrn)
- # the the slice record
- registries = Registries(api)
- registry = registries[api.hrn]
- credential = api.getCredential()
- records = registry.resolve(credential, xrn)
-
- # make sure we get a local slice record
- record = None
- for tmp_record in records:
- if tmp_record['type'] == 'slice' and \
- not tmp_record['peer_authority']:
- record = SliceRecord(dict=tmp_record)
- if not record:
- raise RecordNotFound(slice_hrn)
-
- # get sliver info
- slivers = Slices(api).get_slivers(slice_hrn)
- if not slivers:
- raise SliverDoesNotExist(slice_hrn)
-
- # get initscripts
- initscripts = []
- data = {
- 'timestamp': int(time.time()),
- 'initscripts': initscripts,
- 'slivers': slivers
- }
-
- # create the ticket
- object_gid = record.get_gid_object()
- new_ticket = SfaTicket(subject = object_gid.get_subject())
- new_ticket.set_gid_caller(api.auth.client_gid)
- new_ticket.set_gid_object(object_gid)
- new_ticket.set_issuer(key=api.key, subject=api.hrn)
- new_ticket.set_pubkey(object_gid.get_pubkey())
- new_ticket.set_attributes(data)
- new_ticket.set_rspec(rspec)
- #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
- new_ticket.encode()
- new_ticket.sign()
-
- return new_ticket.save_to_string(save_parents=True)
-
-def start_slice(api, xrn):
- hrn, type = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]
- attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]['slice_attribute_id']
- api.plshell.UpdateSliceTag(api.plauth, attribute_id, "1" )
-
- return 1
-
-def stop_slice(api, xrn):
+def get_rspec(api, creds, options):
+ # get slice's hrn from options
+ xrn = options.get('geni_slice_urn', '')
hrn, type = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attributes[0]['slice_attribute_id']
- api.plshell.UpdateSliceTag(api.plauth, attribute_id, "0")
- return 1
-
-def reset_slice(api, xrn):
- # XX not implemented at this interface
- return 1
+
+ # look in cache first
+ if api.cache and not xrn:
+ rspec = api.cache.get('nodes')
+ if rspec:
+ return rspec
-def get_slices(api):
- # XX just import the legacy module and excute that until
- # we transition the code to this module
- from sfa.plc.slices import Slices
- slices = Slices(api)
- slices.refresh()
- return [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slices['hrn']]
-
-
-def get_rspec(api, xrn=None, origin_hrn=None):
- hrn, type = urn_to_hrn(xrn)
network = ViniNetwork(api)
if (hrn):
- network.get_slice(api, hrn)
- if slice:
+ if network.get_slice(api, hrn):
network.addSlice()
- return network.toxml()
-
-"""
-Returns the request context required by sfatables. At some point, this
-mechanism should be changed to refer to "contexts", which is the
-information that sfatables is requesting. But for now, we just return
-the basic information needed in a dict.
-"""
-def fetch_context(slice_xrn, user_xrn, contexts):
- slice_hrn, type = urn_to_hrn(slice_xrn)
- user_hrn, type = urn_to_hrn(user_xrn)
- base_context = {'sfa':{'user':{'hrn':user_hrn}}}
- return base_context
+ rspec = network.toxml()
+
+ # cache the result
+ if api.cache and not xrn:
+ api.cache.add('nodes', rspec)
+
+ return rspec
def main():
api = SfaAPI()
git://git.onelab.eu / sfa.git / blobdiff