from sfa.util.policy import Policy
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
+from sfa.trust.credential import Credential
import sfa.plc.peers as peers
+from sfa.plc.network import *
+from sfa.plc.api import SfaAPI
+from sfa.plc.slices import *
-def delete_slice(api, xrn):
- hrn, type = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
- if not slices:
- return 1
- slice = slices[0]
+def get_version():
+ version = {}
+ version['geni_api'] = 1
+ return version
- # determine if this is a peer slice
- peer = peers.get_peer(api, hrn)
+def slice_status(api, slice_xrn, creds):
+ result = {}
+ result['geni_urn'] = slice_xrn
+ result['geni_status'] = 'unknown'
+ result['geni_resources'] = {}
+ return result
+
+def __get_hostnames(nodes):
+ hostnames = []
+ for node in nodes:
+ hostnames.append(node.hostname)
+ return hostnames
+
+def create_slice(api, slice_xrn, creds, rspec, users):
+ """
+ Create the sliver[s] (slice) at this aggregate.
+ Verify HRN and initialize the slice record in PLC if necessary.
+ """
+
+ reg_objects = __get_registry_objects(slice_xrn, creds, users)
+
+ hrn, type = urn_to_hrn(slice_xrn)
+ peer = None
+ slices = Slices(api)
+ peer = slices.get_peer(hrn)
+ sfa_peer = slices.get_sfa_peer(hrn)
+ registry = api.registries[api.hrn]
+ credential = api.getCredential()
+ site_id, remote_site_id = slices.verify_site(registry, credential, hrn,
+ peer, sfa_peer, reg_objects)
+
+ slice = slices.verify_slice(registry, credential, hrn, site_id,
+ remote_site_id, peer, sfa_peer, reg_objects)
+
+ network = Network(api)
+
+ slice = network.get_slice(api, hrn)
+ current = __get_hostnames(slice.get_nodes())
+
+ network.addRSpec(rspec, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
+ request = __get_hostnames(network.nodesWithSlivers())
+
+ # remove nodes not in rspec
+ deleted_nodes = list(set(current).difference(request))
+
+ # add nodes from rspec
+ added_nodes = list(set(request).difference(current))
+
if peer:
- api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
- api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
+ 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['slice_id'], peer, slice['peer_slice_id'])
- return 1
+ api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
+ slice.peer_id)
-def create_slice(api, xrn, rspec):
- hrn, type = urn_to_hrn(xrn)
- # 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.create_slice_aggregate(hrn, rspec)
+ # print network.toxml()
+
+ return True
+
+
+def __get_registry_objects(slice_xrn, creds, users):
+ """
+
+ """
+ hrn, type = urn_to_hrn(slice_xrn)
+
+ hrn_auth = get_authority(hrn)
+
+ # Build up objects that an SFA registry would return if SFA
+ # could contact the slice's registry directly
+ reg_objects = None
+
+ if users:
+ reg_objects = {}
+
+ site = {}
+ site['site_id'] = 0
+ site['name'] = 'geni.%s' % hrn_auth
+ site['enabled'] = True
+ site['max_slices'] = 100
+
+ # Note:
+ # Is it okay if this login base is the same as one already at this myplc site?
+ # Do we need uniqueness? Should use hrn_auth instead of just the leaf perhaps?
+ site['login_base'] = get_leaf(hrn_auth)
+ site['abbreviated_name'] = hrn
+ site['max_slivers'] = 1000
+ reg_objects['site'] = site
+
+ slice = {}
+ slice['expires'] = int(mktime(Credential(string=creds[0]).get_lifetime().timetuple()))
+ slice['hrn'] = hrn
+ slice['name'] = site['login_base'] + "_" + get_leaf(hrn)
+ slice['url'] = hrn
+ slice['description'] = hrn
+ slice['pointer'] = 0
+ reg_objects['slice_record'] = slice
+
+ reg_objects['users'] = {}
+ for user in users:
+ user['key_ids'] = []
+ hrn, _ = urn_to_hrn(user['urn'])
+ user['email'] = hrn + "@geni.net"
+ user['first_name'] = hrn
+ user['last_name'] = hrn
+ reg_objects['users'][user['email']] = user
+
+ return reg_objects
+
+def get_ticket(api, xrn, rspec, origin_hrn=None, reg_objects=None):
-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]
+ slices = Slices(api)
+ peer = slices.get_peer(slice_hrn)
+ sfa_peer = slices.get_sfa_peer(slice_hrn)
+
+ # get the slice record
+ registry = api.registries[api.hrn]
credential = api.getCredential()
records = registry.resolve(credential, xrn)
-
+
+ # similar to create_slice, we must verify that the required records exist
+ # at this aggregate before we can issue a ticket
+ site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
+ peer, sfa_peer, reg_objects)
+ slice = slices.verify_slice(registry, credential, slice_hrn, site_id,
+ remote_site_id, peer, sfa_peer, reg_objects)
+
# make sure we get a local slice record
record = None
for tmp_record in records:
raise SliverDoesNotExist(slice_hrn)
# get initscripts
- initscripts = None
+ initscripts = []
data = {
'timestamp': int(time.time()),
'initscripts': initscripts,
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']
+ attribute_id = attributes[0]['slice_attribute_id']
api.plshell.UpdateSliceTag(api.plauth, attribute_id, "1" )
return 1
-def stop_slice(api, xrn):
+def stop_slice(api, xrn, creds):
hrn, type = urn_to_hrn(xrn)
slicename = hrn_to_pl_slicename(hrn)
slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
# XX not implemented at this interface
return 1
+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})
+ if not slices:
+ 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_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):
- from sfa.plc.nodes import Nodes
- nodes = Nodes(api, origin_hrn=origin_hrn)
- if hrn:
- rspec = nodes.get_rspec(xrn)
- else:
- nodes.refresh()
- rspec = nodes['rspec']
+ # look in cache first
+ if api.cache:
+ slices = api.cache.get('slices')
+ if slices:
+ return slices
+
+ # get data from db
+ slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
+ slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
+ slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
+
+ # cache the result
+ if api.cache:
+ api.cache.add('slices', slice_urns)
+
+ return slice_urns
+
+def get_rspec(api, creds, options):
+ # get slice's hrn from options
+ xrn = options.get('geni_slice_urn', None)
+ hrn, type = urn_to_hrn(xrn)
+
+ # get hrn of the original caller
+ origin_hrn = options.get('origin_hrn', None)
+ if not origin_hrn:
+ origin_hrn = Credential(string=creds[0]).get_gid_caller().get_hrn()
+
+ # look in cache first
+ if api.cache and not xrn:
+ rspec = api.cache.get('nodes')
+ if rspec:
+ return rspec
+
+ network = Network(api)
+ if (hrn):
+ if network.get_slice(api, hrn):
+ network.addSlice()
+
+ rspec = network.toxml()
+
+ # cache the result
+ if api.cache and not xrn:
+ api.cache.add('nodes', rspec)
return rspec
-"""
-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 = urn_to_hrn(slice_xrn)[0]
- user_hrn = urn_to_hrn(user_xrn)[0]
- base_context = {'sfa':{'user':{'hrn':user_hrn}}}
- return base_context
def main():
- r = RSpec()
- r.parseFile(sys.argv[1])
- rspec = r.toDict()
- create_slice(None,'plc.princeton.tmacktestslice',rspec)
+ api = SfaAPI()
+ """
+ rspec = get_rspec(api, "plc.princeton.sapan", None)
+ #rspec = get_rspec(api, "plc.princeton.coblitz", None)
+ #rspec = get_rspec(api, "plc.pl.sirius", None)
+ print rspec
+ """
+ f = open(sys.argv[1])
+ xml = f.read()
+ f.close()
+ create_slice(api, "plc.princeton.sapan", xml)
if __name__ == "__main__":
main()