From: Larry Peterson Date: Thu, 19 Feb 2009 00:33:32 +0000 (+0000) Subject: alt agg X-Git-Tag: sfa-0.9-0@14641~629 X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=260c2ee00046f823d470db89cd40e24f3e0283ca;p=sfa.git alt agg --- diff --git a/geni/alt_aggregate.py b/geni/alt_aggregate.py new file mode 100644 index 00000000..ebf7495c --- /dev/null +++ b/geni/alt_aggregate.py @@ -0,0 +1,229 @@ +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) +