"""
+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
+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")
- dc2 = net.addDatacenter("dc2")
+ 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=10, max_mu=1024)
- rm2 = UpbSimpleCloudDcRM(max_cu=20)
+ rm1 = UpbSimpleCloudDcRM(max_cu=4, max_mu=1024)
+ rm2 = UpbOverprovisioningCloudDcRM(max_cu=4)
dc1.assignResourceModel(rm1)
dc2.assignResourceModel(rm2)
# run API endpoint server (in another thread, don't block)
zapi1.start()
- # add the SONATA dummy gatekeeper to each DC
- sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 8000)
- sdkg1.connectDatacenter(dc1)
- sdkg1.connectDatacenter(dc2)
- # run the dummy gatekeeper (in another thread, don't block)
- sdkg1.start()
-
# start the emulation platform
net.start()
print "Wait a moment and allocate some compute start some compute resources..."
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(2)
+ 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()