def get_ticket(api, xrn, creds, rspec, users):
reg_objects = __get_registry_objects(xrn, creds, users)
slice_hrn, type = urn_to_hrn(xrn)
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(xrn, credential)
# similar to CreateSliver, 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:
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 prepare_slice(api, slice_xrn, creds, users):
reg_objects = __get_registry_objects(slice_xrn, creds, users)
(hrn, type) = urn_to_hrn(slice_xrn)
slices = Slices(api)
peer = slices.get_peer(hrn)
sfa_peer = slices.get_sfa_peer(hrn)
slice_record=None
if users:
slice_record = users[0].get('slice_record', {})
registry = api.registries[api.hrn]
credential = api.getCredential()
# ensure site record exists
site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
# ensure slice record exists
slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
# ensure person records exists
persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
def CreateSliver(api, xrn, creds, xml, users, call_id):
"""
Verify HRN and initialize the slice record in PLC if necessary.
"""
if Callids().already_handled(call_id): return ""
hrn, type = urn_to_hrn(xrn)
peer = None
reg_objects = __get_registry_objects(xrn, creds, users)
slices = Slices(api)
peer = slices.get_peer(hrn)
sfa_peer = slices.get_sfa_peer(hrn)
registries = Registries(api)
registry = 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 = ViniNetwork(api)
slice = network.get_slice(api, hrn)
current = __get_hostnames(slice.get_nodes())
network.addRSpec(xml, "/var/www/html/schemas/vini.rng")
#network.addRSpec(xml, "/root/SVN/sfa/trunk/sfa/managers/vini/vini.rng")
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))
api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
network.updateSliceTags()
# xxx - check this holds enough data for the client to understand what's happened
return network.toxml()
def CreateSliver(api, slice_xrn, creds, rspec_string, users, call_id):
"""
Create the sliver[s] (slice) at this aggregate.
Verify HRN and initialize the slice record in PLC if necessary.
"""
if Callids().already_handled(call_id): return ""
aggregate = Aggregate(api)
slices = Slices(api)
(hrn, type) = urn_to_hrn(slice_xrn)
peer = slices.get_peer(hrn)
sfa_peer = slices.get_sfa_peer(hrn)
slice_record=None
if users:
slice_record = users[0].get('slice_record', {})
# parse rspec
rspec = RSpec(rspec_string)
requested_attributes = rspec.version.get_slice_attributes()
# ensure site record exists
site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
# ensure slice record exists
slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
# ensure person records exists
persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
# ensure slice attributes exists
slices.verify_slice_attributes(slice, requested_attributes)
# add/remove slice from nodes
requested_slivers = [str(host) for host in rspec.version.get_nodes_with_slivers()]
slices.verify_slice_nodes(slice, requested_slivers, peer)
# hanlde MyPLC peer association.
# only used by plc and ple.
slices.handle_peer(site, slice, persons, peer)
return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)