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 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 prepare_slice(self, api, slice_xrn, creds, users): reg_objects = self._get_registry_objects(slice_xrn, creds, users) (hrn, type) = urn_to_hrn(slice_xrn) slices = PlSlices(self.driver) 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 prepare_slice(self, api, slice_xrn, creds, users): reg_objects = self._get_registry_objects(slice_xrn, creds, users) (hrn, type) = urn_to_hrn(slice_xrn) slices = PlSlices(self.driver) 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 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 CreateSliver(api, slice_xrn, creds, xml, users, options): call_id = options.get('call_id') if Callids().already_handled(call_id): return "" logger = logging.getLogger('EucaAggregate') logger.debug("In CreateSliver") aggregate = PlAggregate(self.driver) slices = PlSlices(self.driver) (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', {}) conn = self.getEucaConnection() if not conn: logger.error('Cannot create a connection to Eucalyptus') return "" # Validate RSpec schemaXML = ET.parse(AggregateManagerEucalyptus.EUCALYPTUS_RSPEC_SCHEMA) rspecValidator = ET.RelaxNG(schemaXML) rspecXML = ET.XML(xml) for network in rspecXML.iterfind("./network"): if network.get('name') != AggregateManagerEucalyptus.cloud['name']: # Throw away everything except my own RSpec # sfa_logger().error("CreateSliver: deleting %s from rspec"%network.get('id')) network.getparent().remove(network) if not rspecValidator(rspecXML): error = rspecValidator.error_log.last_error message = '%s (line %s)' % (error.message, error.line) raise InvalidRSpec(message) """ Create the sliver[s] (slice) at this aggregate. Verify HRN and initialize the slice record in PLC if necessary. """ # 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) # Get the slice from db or create one. s = Slice.select(Slice.q.slice_hrn == hrn).getOne(None) if s is None: s = Slice(slice_hrn = hrn) # Process any changes in existing instance allocation pendingRmInst = [] for sliceInst in s.instances: pendingRmInst.append(sliceInst.instance_id) existingInstGroup = rspecXML.findall(".//euca_instances") for instGroup in existingInstGroup: for existingInst in instGroup: if existingInst.get('id') in pendingRmInst: pendingRmInst.remove(existingInst.get('id')) for inst in pendingRmInst: dbInst = EucaInstance.select(EucaInstance.q.instance_id == inst).getOne(None) if dbInst.meta.state != 'deleted': logger.debug('Instance %s will be terminated' % inst) # Terminate instances one at a time for robustness conn.terminate_instances([inst]) # Only change the state but do not remove the entry from the DB. dbInst.meta.state = 'deleted' #dbInst.destroySelf() # Process new instance requests requests = rspecXML.findall(".//request") if requests: # Get all the public keys associate with slice. keys = [] for user in users: keys += user['keys'] logger.debug("Keys: %s" % user['keys']) pubKeys = '\n'.join(keys) logger.debug('Passing the following keys to the instance:\n%s' % pubKeys) for req in requests: vmTypeElement = req.getparent() instType = vmTypeElement.get('name') numInst = int(req.find('instances').text) bundleName = req.find('bundle').text if not AggregateManagerEucalyptus.cloud['imageBundles'][bundleName]: logger.error('Cannot find bundle %s' % bundleName) bundleInfo = AggregateManagerEucalyptus.cloud['imageBundles'][bundleName] instKernel = bundleInfo['kernelID'] instDiskImg = bundleInfo['imageID'] instRamDisk = bundleInfo['ramdiskID'] instKey = None # Create the instances for i in range(0, numInst): eucaInst = EucaInstance(slice = s, kernel_id = instKernel, image_id = instDiskImg, ramdisk_id = instRamDisk, key_pair = instKey, inst_type = instType, meta = Meta(start_time=datetime.datetime.now())) eucaInst.reserveInstance(conn, pubKeys) # xxx - should return altered rspec # with enough data for the client to understand what's happened return xml