""" Copyright (c) 2015 SONATA-NFV ALL RIGHTS RESERVED. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION] nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. This work has been performed in the framework of the SONATA project, funded by the European Commission under Grant number 671517 through the Horizon 2020 and 5G-PPP programmes. The authors would like to acknowledge the contributions of their colleagues of the SONATA partner consortium (www.sonata-nfv.eu). """ """ A simple topology to test resource model support. """ import logging import time import os from mininet.log import setLogLevel from mininet.node import Controller from emuvim.dcemulator.net import DCNetwork from emuvim.api.zerorpc.compute import ZeroRpcApiEndpoint from emuvim.api.sonata import SonataDummyGatekeeperEndpoint from emuvim.dcemulator.resourcemodel.upb.simple import UpbSimpleCloudDcRM, UpbOverprovisioningCloudDcRM logging.basicConfig(level=logging.INFO) RESOURCE_LOG_PATH = "resource.log" def create_topology1(): cleanup() # create topology # use a maximum of 50% cpu time for containers added to data centers net = DCNetwork(dc_emulation_max_cpu=0.5, controller=Controller) # add some data centers and create a topology dc1 = net.addDatacenter("dc1", resource_log_path=RESOURCE_LOG_PATH) dc2 = net.addDatacenter("dc2", resource_log_path=RESOURCE_LOG_PATH) s1 = net.addSwitch("s1") net.addLink(dc1, s1, delay="10ms") net.addLink(dc2, s1, delay="20ms") # create and assign resource models for each DC rm1 = UpbSimpleCloudDcRM(max_cu=4, max_mu=1024) rm2 = UpbOverprovisioningCloudDcRM(max_cu=4) dc1.assignResourceModel(rm1) dc2.assignResourceModel(rm2) # add the command line interface endpoint to each DC zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242) zapi1.connectDatacenter(dc1) zapi1.connectDatacenter(dc2) # run API endpoint server (in another thread, don't block) zapi1.start() # start the emulation platform net.start() print "Wait a moment and allocate some compute start some compute resources..." time.sleep(2) dc1.startCompute("vnf1") dc1.startCompute("vnf2", flavor_name="tiny") dc1.startCompute("vnf3", flavor_name="small") dc2.startCompute("vnf4", flavor_name="medium") dc2.startCompute("vnf5", flavor_name="medium") dc2.startCompute("vnf6", flavor_name="medium") print "... done." time.sleep(5) print "Removing instances ..." dc1.stopCompute("vnf1") dc2.stopCompute("vnf4") print "... done" net.CLI() net.stop() def cleanup(): try: os.remove(RESOURCE_LOG_PATH) except OSError: pass def main(): setLogLevel('info') # set Mininet loglevel create_topology1() if __name__ == '__main__': main()