X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2Fvim-emu.git;a=blobdiff_plain;f=src%2Femuvim%2Fexamples%2Fmonitoring_demo_topology.py;h=1e22b6115fce8be72e0e4abd7d1313efba8300f9;hp=fc515a8945a69346b073e282612829298888d7c1;hb=0d98d75450be28bba00ebabcd9041b4ae541f964;hpb=d806ed7ca29fa8d4f07dbed383378ecb1c353c13 diff --git a/src/emuvim/examples/monitoring_demo_topology.py b/src/emuvim/examples/monitoring_demo_topology.py index fc515a8..1e22b61 100755 --- a/src/emuvim/examples/monitoring_demo_topology.py +++ b/src/emuvim/examples/monitoring_demo_topology.py @@ -1,20 +1,29 @@ """ -This is an example topology for the distributed cloud emulator (dcemulator). -(c) 2015 by Manuel Peuster - - -This is an example that shows how a user of the emulation tool can -define network topologies with multiple emulated cloud data centers. - -The definition is done with a Python API which looks very similar to the -Mininet API (in fact it is a wrapper for it). - -We only specify the topology *between* data centers not within a single -data center (data center internal setups or placements are not of interest, -we want to experiment with VNF chains deployed across multiple PoPs). - -The original Mininet API has to be completely hidden and not be used by this -script. +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). """ import logging from mininet.log import setLogLevel @@ -29,21 +38,26 @@ def create_topology1(): """ 1. Create a data center network object (DCNetwork) with monitoring enabled """ - net = DCNetwork(monitor=False) + net = DCNetwork(monitor=True, enable_learning=False) """ - 1b. add a monitoring agent to the DCNetwork + 1b. Add endpoint APIs for the whole DCNetwork, + to access and control the networking from outside. + e.g., to setup forwarding paths between compute + instances aka. VNFs (represented by Docker containers), passing through + different switches and datacenters of the emulated topology """ mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151) mon_api.connectDCNetwork(net) mon_api.start() + """ 2. Add (logical) data centers to the topology (each data center is one "bigswitch" in our simplified first prototype) """ dc1 = net.addDatacenter("datacenter1") - #dc2 = net.addDatacenter("datacenter2") + dc2 = net.addDatacenter("datacenter2") #dc3 = net.addDatacenter("long_data_center_name3") #dc4 = net.addDatacenter( # "datacenter4", @@ -53,7 +67,7 @@ def create_topology1(): 3. You can add additional SDN switches for data center interconnections to the network. """ - #s1 = net.addSwitch("s1") + s1 = net.addSwitch("s1") """ 4. Add links between your data centers and additional switches @@ -62,6 +76,8 @@ def create_topology1(): """ #net.addLink(dc1, dc2, delay="10ms") #net.addLink(dc1, dc2) + net.addLink(dc1, s1) + net.addLink(s1, dc2) #net.addLink("datacenter1", s1, delay="20ms") #net.addLink(s1, dc3) #net.addLink(s1, "datacenter4") @@ -81,7 +97,7 @@ def create_topology1(): zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242) # connect data centers to this endpoint zapi1.connectDatacenter(dc1) - #zapi1.connectDatacenter(dc2) + zapi1.connectDatacenter(dc2) #zapi1.connectDatacenter(dc3) #zapi1.connectDatacenter(dc4) # run API endpoint server (in another thread, don't block)