+++ /dev/null
-"""
-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
-from emuvim.dcemulator.net import DCNetwork
-from emuvim.api.zerorpc.compute import ZeroRpcApiEndpoint
-from emuvim.api.zerorpc.network import ZeroRpcApiEndpointDCNetwork
-
-logging.basicConfig(level=logging.INFO)
-
-
-def create_topology1():
- """
- 1. Create a data center network object (DCNetwork) with monitoring enabled
- """
- net = DCNetwork(monitor=True, enable_learning=False)
-
- """
- 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")
- #dc3 = net.addDatacenter("long_data_center_name3")
- #dc4 = net.addDatacenter(
- # "datacenter4",
- # metadata={"mydata": "we can also add arbitrary metadata to each DC"})
-
- """
- 3. You can add additional SDN switches for data center
- interconnections to the network.
- """
- s1 = net.addSwitch("s1")
-
- """
- 4. Add links between your data centers and additional switches
- to define you topology.
- These links can use Mininet's features to limit bw, add delay or jitter.
- """
- #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")
-
-
- """
- 5. We want to access and control our data centers from the outside,
- e.g., we want to connect an orchestrator to start/stop compute
- resources aka. VNFs (represented by Docker containers in the emulated)
-
- So we need to instantiate API endpoints (e.g. a zerorpc or REST
- interface). Depending on the endpoint implementations, we can connect
- one or more data centers to it, which can then be controlled through
- this API, e.g., start/stop/list compute instances.
- """
- # create a new instance of a endpoint implementation
- zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
- # connect data centers to this endpoint
- zapi1.connectDatacenter(dc1)
- zapi1.connectDatacenter(dc2)
- #zapi1.connectDatacenter(dc3)
- #zapi1.connectDatacenter(dc4)
- # run API endpoint server (in another thread, don't block)
- zapi1.start()
-
- """
- 5.1. For our example, we create a second endpoint to illustrate that
- this is supported by our design. This feature allows us to have
- one API endpoint for each data center. This makes the emulation
- environment more realistic because you can easily create one
- OpenStack-like REST API endpoint for *each* data center.
- This will look like a real-world multi PoP/data center deployment
- from the perspective of an orchestrator.
- """
- #zapi2 = ZeroRpcApiEndpoint("0.0.0.0", 4343)
- #zapi2.connectDatacenter(dc3)
- #zapi2.connectDatacenter(dc4)
- #zapi2.start()
-
- """
- 6. Finally we are done and can start our network (the emulator).
- We can also enter the Mininet CLI to interactively interact
- with our compute resources (just like in default Mininet).
- But we can also implement fully automated experiments that
- can be executed again and again.
- """
- net.start()
- net.CLI()
- # when the user types exit in the CLI, we stop the emulator
- net.stop()
-
-
-def main():
- setLogLevel('info') # set Mininet loglevel
- create_topology1()
-
-
-if __name__ == '__main__':
- main()