import os import sys import datetime import time import xmlrpclib from geni.util.geniserver import GeniServer from geni.util.geniclient import * from geni.util.cert import Keypair, Certificate from geni.util.credential import Credential from geni.util.trustedroot import TrustedRootList from geni.util.excep import * from geni.util.misc import * from geni.util.config import Config from geni.util.rspec import Rspec from geni.util.specdict import * from geni.util.storage import SimpleStorage class AltAggregate(GeniServer): hrn = None nodes_ttl = None nodes = None slices = None policy = None timestamp = None threshold = None shell = None registry = None key_file = None cert_file = None credential = None ## # Create a new aggregate object. # # @param ip the ip address to listen on # @param port the port to listen on # @param key_file private key filename of registry # @param cert_file certificate filename containing public key (could be a GID file) def __init__(self, ip, port, key_file, cert_file, config = "/usr/share/geniwrapper/geni/util/geni_config"): GeniServer.__init__(self, ip, port, key_file, cert_file) self.key_file = key_file self.cert_file = cert_file self.config = Config(config) self.basedir = self.config.GENI_BASE_DIR + os.sep self.server_basedir = self.basedir + os.sep + "geni" + os.sep self.hrn = self.config.GENI_INTERFACE_HRN nodes_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.components']) self.nodes = SimpleStorage(nodes_file) self.nodes.load() slices_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.slices']) self.slices = SimpleStorage(slices_file) self.slices.load() policy_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.policy']) self.policy = SimpleStorage(policy_file, {'whitelist': [], 'blacklist': []}) self.policy.load() timestamp_file = os.sep.join([self.server_basedir, 'agg.' + self.hrn + '.timestamp']) self.timestamp = SimpleStorage(timestamp_file) self.nodes_ttl = 1 self.connectRegistry() #self.loadCredential() def connectRegistry(self): """ Connect to the registry """ # connect to registry using GeniClient address = self.config.GENI_REGISTRY_HOSTNAME port = self.config.GENI_REGISTRY_PORT url = 'https://%(address)s:%(port)s' % locals() self.registry = GeniClient(url, self.key_file, self.cert_file) def loadCredential(self): """ Attempt to load credential from file if it exists. If it doesnt get credential from registry. """ self_cred_filename = self.server_basedir + os.sep + "agg." + self.hrn + ".cred" ma_cred_filename = self.server_basedir + os.sep + "agg." + self.hrn + ".ma.cred" # see if this file exists try: cred = Credential(filename = ma_cred_filename, subject=self.hrn) self.credential = cred.save_to_string() except IOError: # get self credential self_cred = self.registry.get_credential(None, 'ma', self.hrn) self_credential = Credential(string = self_cred) self_credential.save_to_file(self_cred_filename) # get ma credential ma_cred = self.registry.get_credential(self_cred) ma_credential = Credential(string = ma_cred) ma_credential.save_to_file(ma_cred_filename) self.credential = ma_cred def load_policy(self): """ Read the list of blacklisted and whitelisted nodes. """ self.policy.load() def getNodes(self, format = 'rspec'): """ Return a list of components at this aggregate. """ def getSlices(self): """ Return a list of instnatiated managed by this slice manager. """ def getResources(self, slice_hrn): """ Return the current rspec for the specified slice. """ def getTicket(self, hrn, rspec): """ Retrieve a ticket """ def createSlice(self, slice_hrn, rspec, attributes = []): """ Instantiate/update slice according rspec """ def updateSlice(self, slice_hrn, rspec, attributes = []): return self.create_slice(slice_hrn, rspec, attributes) def deleteSlice(self, slice_hrn): """ Remove this slice """ def startSlice(self, slice_hrn): """ Stop the slice """ def stopSlice(self, slice_hrn): """ Stop the slice at the aggregate level """ def resetSlice(self, slice_hrn): """ Reset the slice """ def getPolicy(self): """ Return this aggregates policy. """ ############################## ## Server methods here for now ############################## def list_nodes(self, cred, format): self.decode_authentication(cred, 'listnodes') return self.getNodes(format) def list_slices(self, cred): self.decode_authentication(cred, 'listslices') return self.getSlices() def get_resources(self, cred, hrn): self.decode_authentication(cred, 'listnodes') return self.getResources(hrn) def get_ticket(self, cred, hrn, rspec): self.decode_authentication(cred, 'getticket') return self.getTicket(hrn, rspec) def get_policy(self, cred): self.decode_authentication(cred, 'getpolicy') return self.getPolicy() def create_slice(self, cred, hrn, rspec): self.decode_authentication(cred, 'createslice') return self.createSlice(hrn, rspec) def update_slice(self, cred, hrn, rspec): self.decode_authentication(cred, 'updateslice') return self.updateSlice(hrn) def delete_slice(self, cred, hrn): self.decode_authentication(cred, 'deleteslice') return self.deleteSlice(hrn) def start_slice(self, cred, hrn): self.decode_authentication(cred, 'startslice') return self.startSlice(hrn) def stop_slice(self, cred, hrn): self.decode_authentication(cred, 'stopslice') return self.stopSlice(hrn) def reset_slice(self, cred, hrn): self.decode_authentication(cred, 'resetslice') return self.resetSlice(hrn) def register_functions(self): GeniServer.register_functions(self) # Aggregate interface methods self.server.register_function(self.list_nodes) self.server.register_function(self.list_slices) self.server.register_function(self.get_resources) self.server.register_function(self.get_ticket) self.server.register_function(self.get_policy) self.server.register_function(self.create_slice) self.server.register_function(self.update_slice) self.server.register_function(self.delete_slice) self.server.register_function(self.start_slice) self.server.register_function(self.stop_slice) self.server.register_function(self.reset_slice)