Merge pull request iovisor#121 from iovisor/weichunc_dev

add connectivity validation in distributed bridge examples

examples/distributed_bridge/main.py

@@ -6,7 +6,7 @@
 from builtins import input
 from pyroute2 import IPRoute, NetNS, IPDB, NSPopen
 from simulation import Simulation
-from subprocess import PIPE
+from subprocess import PIPE, call
 
 if len(argv) > 1 and argv[1] == "mesh":
  multicast = 0
@@ -40,6 +40,12 @@ def start(self):
  with self.ipdb.create(ifname="br-fabric", kind="bridge") as br:
  for host in host_info: br.add_port(host[1])
  br.up()
+ print("Validating connectivity")
+ for i in range(1, num_hosts):
+ for j in range(0, 2):
+ print("VNI%d between host0 and host%d" % (10000 + j, i))
+ call(["ip", "netns", "exec", "host%d" % i,
+ "ping", "99.1.%d.1" % j, "-c", "3", "-i", "0.2", "-q"])
 
 try:
  sim = TunnelSimulation(ipdb)

examples/distributed_bridge/tunnel_mesh.py

@@ -76,6 +76,5 @@ def run():
  run()
  ipdb.release()
  input("")
- print("---")
 finally:
  for v in ifc_gc: call(["ip", "link", "del", v])