+# Copyright (c) 2018 SONATA-NFV, 5GTANGO and Paderborn University
+# 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, 5GTANGO, Paderborn University
+# 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 also been performed in the framework of the 5GTANGO project,
+# funded by the European Commission under Grant number 761493 through
+# the Horizon 2020 and 5G-PPP programmes. The authors would like to
+# acknowledge the contributions of their colleagues of the 5GTANGO
+# partner consortium (www.5gtango.eu).
+import logging
+from mininet.log import setLogLevel
+from emuvim.dcemulator.net import DCNetwork
+from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
+from emuvim.api.tango import TangoLLCMEndpoint
+
+logging.basicConfig(level=logging.DEBUG)
+setLogLevel('info') # set Mininet loglevel
+logging.getLogger('werkzeug').setLevel(logging.DEBUG)
+logging.getLogger('5gtango.llcm').setLevel(logging.DEBUG)
+
+
+def create_topology():
+ net = DCNetwork(monitor=False, enable_learning=True)
+ # create two data centers
+ dc1 = net.addDatacenter("dc1")
+ # add the command line interface endpoint to the emulated DC (REST API)
+ rapi1 = RestApiEndpoint("0.0.0.0", 5001)
+ rapi1.connectDCNetwork(net)
+ rapi1.connectDatacenter(dc1)
+ rapi1.start()
+ # add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
+ llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
+ llcm1.connectDatacenter(dc1)
+ # run the dummy gatekeeper (in another thread, don't block)
+ llcm1.start()
+ # start the emulation and enter interactive CLI
+ net.start()
+ net.CLI()
+ # when the user types exit in the CLI, we stop the emulator
+ net.stop()
+
+
+def main():
+ create_topology()
+
+
+if __name__ == '__main__':
+ main()