def start(self):
"""
Start router:
* Load modules
* Clean up files
* Configure interfaces
* Start daemons (e.g. FRR)
* Configure daemon logging files
"""
self.logger.debug("starting")
nrouter = self.tgen.net[self.name]
result = nrouter.startRouter(self.tgen)
# Enable all daemon command logging, logging files
# and set them to the start dir.
for daemon, enabled in nrouter.daemons.items():
if enabled == 0:
continue
self.vtysh_cmd(
"configure terminal\nlog commands\nlog file {}.log".format(
daemon),
daemon=daemon,
)
if result != "":
self.tgen.set_error(result)
else:
# Enable MPLS processing on all interfaces.
for interface in self.links.keys():
set_sysctl(nrouter, "net.mpls.conf.{}.input".format(interface),
1)
return result
def setup_module(mod):
"Sets up the pytest environment"
tgen = Topogen(OSPFTopo, mod.__name__)
tgen.start_topology()
router_list = tgen.routers()
for rname, router in router_list.items():
router.load_config(
TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
)
router.load_config(
TopoRouter.RD_OSPF, os.path.join(CWD, "{}/ospfd.conf".format(rname))
)
# What is this? OSPF Unnumbered depends on the rp_filter
# being set appropriately( HA! )
# Effectively we are putting different /32's on the interface
# the multicast packet delivery is somewhat controlled by
# the rp_filter. Setting it to '0' allows the OS to pass
# up the mcast packet not destined for the local routers
# network.
topotest.set_sysctl(tgen.net["r1"], "net.ipv4.conf.r1-eth1.rp_filter", 0)
topotest.set_sysctl(tgen.net["r1"], "net.ipv4.conf.all.rp_filter", 0)
topotest.set_sysctl(tgen.net["r2"], "net.ipv4.conf.r2-eth1.rp_filter", 0)
topotest.set_sysctl(tgen.net["r2"], "net.ipv4.conf.all.rp_filter", 0)
# Initialize all routers.
tgen.start_router()
