def create_sliver (self, slice_urn, slice_hrn, creds, rspec_string, users, options):
aggregate = PlAggregate(self)
slices = PlSlices(self)
peer = slices.get_peer(slice_hrn)
sfa_peer = slices.get_sfa_peer(slice_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(slice_hrn, slice_record, peer, sfa_peer, options=options)
# ensure slice record exists
slice = slices.verify_slice(slice_hrn, slice_record, peer, sfa_peer, options=options)
# ensure person records exists
persons = slices.verify_persons(slice_hrn, slice, users, peer, sfa_peer, options=options)
# ensure slice attributes exists
slices.verify_slice_attributes(slice, requested_attributes, options=options)
# add/remove slice from nodes
requested_slivers = {}
slivers = rspec.version.get_nodes_with_slivers()
nodes = slices.verify_slice_nodes(slice, slivers, peer)
# add/remove links links
slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes)
# add/remove leases
rspec_requested_leases = rspec.version.get_leases()
leases = slices.verify_slice_leases(slice, rspec_requested_leases, peer)
#requested_leases = []
#kept_leases = []
#for lease in rspec.version.get_leases():
# requested_lease = {}
# if not lease.get('lease_id'):
# requested_lease['hostname'] = xrn_to_hostname(lease.get('component_id').strip())
# requested_lease['start_time'] = lease.get('start_time')
# requested_lease['duration'] = lease.get('duration')
# else:
# kept_leases.append(int(lease['lease_id']))
# if requested_lease.get('hostname'):
# requested_leases.append(requested_lease)
#leases = slices.verify_slice_leases(slice, requested_leases, kept_leases, peer)
# handle MyPLC peer association.
# only used by plc and ple.
slices.handle_peer(site, slice, persons, peer)
return aggregate.get_rspec(slice_xrn=slice_urn,
version=rspec.version)
def list_resources (self, slice_urn, slice_hrn, creds, options):
cached_requested = options.get('cached', True)
version_manager = VersionManager()
# get the rspec's return format from options
rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
version_string = "rspec_%s" % (rspec_version)
#panos adding the info option to the caching key (can be improved)
if options.get('info'):
version_string = version_string + "_"+options.get('info', 'default')
# Adding the list_leases option to the caching key
if options.get('list_leases'):
version_string = version_string + "_"+options.get('list_leases', 'default')
# Adding geni_available to caching key
if options.get('geni_available'):
version_string = version_string + "_" + str(options.get('geni_available'))
# look in cache first
if cached_requested and self.cache and not slice_hrn:
rspec = self.cache.get(version_string)
if rspec:
logger.debug("PlDriver.ListResources: returning cached advertisement")
return rspec
#panos: passing user-defined options
#print "manager options = ",options
aggregate = PlAggregate(self)
rspec = aggregate.get_rspec(slice_xrn=slice_urn, version=rspec_version,
options=options)
# cache the result
if self.cache and not slice_hrn:
logger.debug("PlDriver.ListResources: stores advertisement in cache")
self.cache.add(version_string, rspec)
return rspec
