def build(self, *args, **kwargs):
"""
+---+ +---+ +------------+
| H +-------+ R +-------+ DNS server |
+---+ +---+ +------------+
Host H is attached to router R and gets its IPv6 addresses via Router
Advertisements. The DNS server address is also advertised. Therefore,
issuing dig(1) in Host H should trigger DNS requests towards this DNS
server. Note that the DNS service is not actually started and thus the
host won't get a DNS reply.
"""
r = self.addRouter_v6('r')
r.addDaemon(RADVD)
h = self.addHost('h')
dns = self.addHost('dns')
self.addLink(r, h, params1={
"ip": ("2001:1341::1/64", "2001:2141::1/64"),
"ra": [AdvPrefix("2001:1341::/64"), AdvPrefix("2001:2141::/64")],
"rdnss": [AdvRDNSS("2001:89ab::d"), AdvRDNSS("2001:cdef::d")]})
self.addLink(r, dns,
params1={"ip": ("2001:89ab::1/64", "2001:cdef::1/64")},
params2={"ip": ("2001:89ab::d/64", "2001:cdef::d/64")})
super(RouterAdvNet, self).build(*args, **kwargs)
def build(self, *args, **kwargs):
"""
+---+ +---+ +------------+
| H +-------+ R +-------+ DNS server |
+---+ +---+ +------------+
Host H is attached to router R and gets its IPv6 addresses via Router
Advertisements. The DNS server address is also advertised. Therefore,
issuing dig(1) in Host H should trigger DNS requests towards this DNS
server. Note that the DNS service is not actually started and thus the
host won't get a DNS reply.
"""
r = self.addRouter_v6('r')
r.addDaemon(RADVD)
h = self.addHost('h')
dns = self.addHost('dns')
lrh = self.addLink(r, h)
lrh[r].addParams(ip=("2001:1341::1/64", "2001:2141::1/64"),
ra=[AdvConnectedPrefix()],
rdnss=[AdvRDNSS(dns)])
lrdns = self.addLink(r, dns)
lrdns[r].addParams(ip=("2001:89ab::1/64", "2001:cdef::1/64"))
lrdns[dns].addParams(ip=("2001:89ab::d/64", "2001:cdef::d/64"))
super(RouterAdvNet, self).build(*args, **kwargs)
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
@require_root
@pytest.mark.parametrize("link_params,expected_cfg", [
({"params1": {"ra": [AdvPrefix("2001:1341::/64", valid_lifetime=2000,
preferred_lifetime=1000)]}},
[" prefix 2001:1341::/64",
" AdvValidLifetime 2000;",
" AdvPreferredLifetime 1000;"]),
({"params1": {"ra": [AdvPrefix("2001:1341::/64")],
"rdnss": [AdvRDNSS("2001:89ab::d", max_lifetime=1000)]}},
[" RDNSS 2001:89ab::d {",
" AdvRDNSSLifetime 1000; # in seconds (0 means invalid)"])
])
def test_radvd_daemon_params(link_params, expected_cfg):
try:
net = IPNet(topo=CustomRouterAdvNet(link_params), use_v4=False,
use_v6=True, allocate_IPs=False)
net.start()
# Check generated configuration
with open("/tmp/radvd_r.cfg") as fileobj:
cfg = fileobj.readlines()
for line in expected_cfg:
assert line + "\n" in cfg,\
"Cannot find the line '%s' in the generated" \