CI problem seems to be caused by not started Ryu controller.
diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index da546ab..bc54293 100755
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -5,13 +5,13 @@
import logging
import site
+import time
from subprocess import Popen
import os
from mininet.net import Dockernet
-from mininet.node import Controller, OVSSwitch, OVSKernelSwitch, Switch, Docker, Host, RemoteController
+from mininet.node import Controller, DefaultController, OVSSwitch, OVSKernelSwitch, Docker, RemoteController
from mininet.cli import CLI
-from mininet.log import setLogLevel, info, debug
from mininet.link import TCLink
import networkx as nx
from emuvim.dcemulator.monitoring import DCNetworkMonitor
@@ -27,7 +27,7 @@
This class is used by topology definition scripts.
"""
- def __init__(self, dc_emulation_max_cpu=1.0, **kwargs):
+ def __init__(self, controller=RemoteController, dc_emulation_max_cpu=1.0, **kwargs):
"""
Create an extended version of a Dockernet network
:param dc_emulation_max_cpu: max. CPU time used by containers in data centers
@@ -38,20 +38,20 @@
# call original Docker.__init__ and setup default controller
Dockernet.__init__(
- self, controller=RemoteController, switch=OVSKernelSwitch, **kwargs)
-
- # ass a remote controller to be able to use Ryu
- self.addController('c0', controller=RemoteController)
-
- # graph of the complete DC network
- self.DCNetwork_graph=nx.DiGraph()
-
- # monitoring agent
- self.monitor_agent = DCNetworkMonitor(self)
+ self, switch=OVSKernelSwitch, **kwargs)
# start Ryu controller
self.startRyu()
+ # add a remote controller to be able to use Ryu
+ self.addController('c0', controller=controller)
+
+ # graph of the complete DC network
+ self.DCNetwork_graph = nx.DiGraph()
+
+ # monitoring agent
+ self.monitor_agent = DCNetworkMonitor(self)
+
# initialize resource model registrar
self.rm_registrar = ResourceModelRegistrar(dc_emulation_max_cpu)
@@ -215,5 +215,6 @@
ryu_option = '--ofp-tcp-listen-port'
ryu_of_port = '6653'
ryu_cmd = 'ryu-manager'
- FNULL = open(os.devnull, 'w')
- self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
\ No newline at end of file
+ FNULL = open("/tmp/ryu.log", 'w')
+ self.ryu_process = Popen([ryu_cmd, ryu_path, ryu_path2, ryu_option, ryu_of_port], stdout=FNULL, stderr=FNULL)
+ time.sleep(1)
\ No newline at end of file