def provision(self, urns, options=None):
if options is None: options={}
# update sliver allocation states and set them to geni_provisioned
aggregate = OSAggregate(self)
# Update connection for the current client
xrn = Xrn(urns[0], type='slice')
user_name = xrn.get_authority_hrn() + '.' + xrn.leaf.split('-')[0]
tenant_name = OSXrn(xrn=urns[0], type='slice').get_hrn()
self.shell.compute_manager.connect(username=user_name, tenant=tenant_name, password=user_name)
instances = aggregate.get_instances(xrn)
# Allocate new floating IP per the instance
servers = aggregate.check_floatingip(instances, True)
aggregate.create_floatingip(tenant_name, servers)
sliver_ids=[]
for instance in instances:
sliver_id = OSXrn(name=('koren'+'.'+ instance.name), id=instance.id, type='node+openstack').get_urn()
sliver_ids.append(sliver_id)
dbsession=self.api.dbsession()
SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned', dbsession)
version_manager = VersionManager()
rspec_version = version_manager.get_version(options['geni_rspec_version'])
return self.describe(urns, rspec_version, options=options)
