def provision(self, urns, options=None): if options is None: options={} # update users slices = PlSlices(self) aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if not slivers: sliver_id_parts = Xrn(urns[0]).get_sliver_id_parts() filter = {} try: filter['slice_id'] = int(sliver_id_parts[0]) except ValueError: filter['name'] = sliver_id_parts[0] slices = self.shell.GetSlices(filter,['hrn']) if not slices: raise Forbidden("Unable to locate slice record for sliver: %s" % xrn) slice = slices[0] slice_urn = hrn_to_urn(slice['hrn'], type='slice') urns = [slice_urn] else: slice_id = slivers[0]['slice_id'] slice_hrn = self.shell.GetSliceHrn(slice_id) slice = self.shell.GetSlices({'slice_id': slice_id})[0] slice['hrn'] = slice_hrn sfa_peer = slices.get_sfa_peer(slice['hrn']) users = options.get('geni_users', []) persons = slices.verify_persons(slice['hrn'], slice, users, sfa_peer, options=options) # update sliver allocation states and set them to geni_provisioned sliver_ids = [sliver['sliver_id'] for sliver in slivers] 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)
def status (self, urns, options=None): if options is None: options={} aggregate = PlAggregate(self) desc = aggregate.describe(urns, version='GENI 3') status = {'geni_urn': desc['geni_urn'], 'geni_slivers': desc['geni_slivers']} return status
def status(self, urns, options={}): aggregate = PlAggregate(self) desc = aggregate.describe(urns, version='GENI 3') status = { 'geni_urn': desc['geni_urn'], 'geni_slivers': desc['geni_slivers'] } return status
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 renew (self, urns, expiration_time, options={}): aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if not slivers: raise SearchFailed(urns) slice = slivers[0] requested_time = utcparse(expiration_time) record = {'expires': int(datetime_to_epoch(requested_time))} self.shell.UpdateSlice(slice['slice_id'], record) description = self.describe(urns, 'GENI 3', options) return description['geni_slivers']
def renew(self, urns, expiration_time, options={}): aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if not slivers: raise SearchFailed(urns) slice = slivers[0] requested_time = utcparse(expiration_time) record = {'expires': int(datetime_to_epoch(requested_time))} self.shell.UpdateSlice(slice['slice_id'], record) description = self.describe(urns, 'GENI 3', options) return description['geni_slivers']
def allocate(self, urn, rspec_string, expiration, options={}): xrn = Xrn(urn) aggregate = PlAggregate(self) slices = PlSlices(self) sfa_peer = slices.get_sfa_peer(xrn.get_hrn()) slice_record = None users = options.get('geni_users', []) 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(xrn.hrn, slice_record, sfa_peer, options=options) # ensure slice record exists slice = slices.verify_slice(xrn.hrn, slice_record, sfa_peer, expiration=expiration, options=options) # ensure person records exists persons = slices.verify_persons(xrn.hrn, slice, users, sfa_peer, options=options) # ensure slice attributes exists slices.verify_slice_attributes(slice, requested_attributes, options=options) # add/remove slice from nodes request_nodes = rspec.version.get_nodes_with_slivers() nodes = slices.verify_slice_nodes(urn, slice, request_nodes) # 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) return aggregate.describe([xrn.get_urn()], version=rspec.version)
def delete(self, urns, options={}): # collect sliver ids so we can update sliver allocation states after # we remove the slivers. aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if slivers: slice_id = slivers[0]['slice_id'] slice_name = slivers[0]['name'] node_ids = [] sliver_ids = [] for sliver in slivers: node_ids.append(sliver['node_id']) sliver_ids.append(sliver['sliver_id']) # leases leases = self.shell.GetLeases({ 'name': slice_name, 'node_id': node_ids }) leases_ids = [lease['lease_id'] for lease in leases] slice_hrn = self.shell.GetSliceHrn(int(slice_id)) try: self.shell.DeleteSliceFromNodes(slice_id, node_ids) if len(leases_ids) > 0: self.shell.DeleteLeases(leases_ids) # delete sliver allocation states dbsession = self.api.dbsession() SliverAllocation.delete_allocations(sliver_ids, dbsession) finally: pass # prepare return struct geni_slivers = [] for sliver in slivers: geni_slivers.append({ 'geni_sliver_urn': sliver['sliver_id'], 'geni_allocation_status': 'geni_unallocated', 'geni_expires': datetime_to_string(utcparse(sliver['expires'])) }) return geni_slivers
def provision(self, urns, options={}): # update users slices = PlSlices(self) aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if not slivers: sliver_id_parts = Xrn(urns[0]).get_sliver_id_parts() filter = {} try: filter['slice_id'] = int(sliver_id_parts[0]) except ValueError: filter['name'] = sliver_id_parts[0] slices = self.shell.GetSlices(filter, ['hrn']) if not slices: raise Forbidden( "Unable to locate slice record for sliver: %s" % xrn) slice = slices[0] slice_urn = hrn_to_urn(slice['hrn'], type='slice') urns = [slice_urn] else: slice_id = slivers[0]['slice_id'] slice_hrn = self.shell.GetSliceHrn(slice_id) slice = self.shell.GetSlices({'slice_id': slice_id})[0] slice['hrn'] = slice_hrn sfa_peer = slices.get_sfa_peer(slice['hrn']) users = options.get('geni_users', []) persons = slices.verify_persons(slice['hrn'], slice, users, sfa_peer, options=options) # update sliver allocation states and set them to geni_provisioned sliver_ids = [sliver['sliver_id'] for sliver in slivers] 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)
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
def delete(self, urns, options=None): if options is None: options={} # collect sliver ids so we can update sliver allocation states after # we remove the slivers. aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if slivers: slice_id = slivers[0]['slice_id'] slice_name = slivers[0]['name'] node_ids = [] sliver_ids = [] for sliver in slivers: node_ids.append(sliver['node_id']) sliver_ids.append(sliver['sliver_id']) # leases leases = self.shell.GetLeases({'name': slice_name, 'node_id': node_ids}) leases_ids = [lease['lease_id'] for lease in leases ] slice_hrn = self.shell.GetSliceHrn(int(slice_id)) try: self.shell.DeleteSliceFromNodes(slice_id, node_ids) if len(leases_ids) > 0: self.shell.DeleteLeases(leases_ids) # delete sliver allocation states dbsession=self.api.dbsession() SliverAllocation.delete_allocations(sliver_ids,dbsession) finally: pass # prepare return struct geni_slivers = [] for sliver in slivers: geni_slivers.append( {'geni_sliver_urn': sliver['sliver_id'], 'geni_allocation_status': 'geni_unallocated', 'geni_expires': datetime_to_string(utcparse(sliver['expires']))}) return geni_slivers
def allocate (self, urn, rspec_string, expiration, options=None): if options is None: options={} xrn = Xrn(urn) aggregate = PlAggregate(self) slices = PlSlices(self) sfa_peer = slices.get_sfa_peer(xrn.get_hrn()) slice_record=None users = options.get('geni_users', []) 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(xrn.hrn, slice_record, sfa_peer, options=options) # ensure slice record exists slice = slices.verify_slice(xrn.hrn, slice_record, sfa_peer, expiration=expiration, options=options) # ensure person records exists persons = slices.verify_persons(xrn.hrn, slice, users, sfa_peer, options=options) # ensure slice attributes exists slices.verify_slice_attributes(slice, requested_attributes, options=options) # add/remove slice from nodes request_nodes = rspec.version.get_nodes_with_slivers() nodes = slices.verify_slice_nodes(urn, slice, request_nodes) # 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) return aggregate.describe([xrn.get_urn()], version=rspec.version)
def list_resources(self, version=None, options={}): aggregate = PlAggregate(self) rspec = aggregate.list_resources(version=version, options=options) return rspec
def describe(self, urns, version, options=None): if options is None: options={} aggregate = PlAggregate(self) return aggregate.describe(urns, version=version, options=options)
def list_resources (self, version=None, options=None): if options is None: options={} aggregate = PlAggregate(self) rspec = aggregate.list_resources(version=version, options=options) return rspec
def describe(self, urns, version, options={}): aggregate = PlAggregate(self) return aggregate.describe(urns, version=version, options=options)