def test_dns_network(named_cfg, zone_args, exp_named_cfg, exp_zone_cfg):
try:
net = IPNet(topo=CustomDNSNetwork(named_cfg, zone_args))
net.start()
# Check generated configurations
with open("/tmp/named_master2.cfg") as fileobj:
cfg = fileobj.readlines()
for line in exp_named_cfg:
assert line + "\n" in cfg,\
"Cannot find the line '%s' in the generated " \
"main configuration:\n%s" % (line, "".join(cfg))
with open("/tmp/named_master2.test.org.zone.cfg") as fileobj:
cfg = fileobj.readlines()
for line in exp_zone_cfg:
assert line + "\n" in cfg,\
"Cannot find the line '%s' in the generated zone " \
"configuration:\n%s" % (line, "".join(cfg))
# Check port number configuration
dns_server_port = named_cfg.get("dns_server_port", 53)
assert_dns_record(net["master2"],
"localhost",
AAAARecord("master2.test.org",
net["master2"].defaultIntf().ip6),
port=dns_server_port)
# Check connectivity
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
# Check generated DNS record
records = [
NSRecord("mydomain.org", "master"),
NSRecord("mydomain.org", "slave"),
ARecord("master.mydomain.org", net["master"].defaultIntf().ip),
AAAARecord("master.mydomain.org", net["master"].defaultIntf().ip6),
ARecord("slave.mydomain.org", net["slave"].defaultIntf().ip),
AAAARecord("slave.mydomain.org", net["slave"].defaultIntf().ip6),
ARecord("server.mydomain.org", net["server"].defaultIntf().ip),
AAAARecord("server.mydomain.org",
net["server"].defaultIntf().ip6,
ttl=120),
PTRRecord(net["master"].defaultIntf().ip, "master.mydomain.org"),
PTRRecord(net["master"].defaultIntf().ip6, "master.mydomain.org"),
PTRRecord(net["slave"].defaultIntf().ip, "slave.mydomain.org"),
PTRRecord(net["slave"].defaultIntf().ip6, "slave.mydomain.org"),
PTRRecord(net["server"].defaultIntf().ip, "server.mydomain.org"),
PTRRecord(net["server"].defaultIntf().ip6,
"server.mydomain.org",
ttl=120)
]
for node in [net["master"], net["slave"]]:
for record in records:
assert_dns_record(node, "localhost", record)
time.sleep(10)
net.stop()
finally:
cleanup()
def test_zone_delegation():
try:
net = IPNet(topo=DNSAdvancedNetwork())
net.start()
# Check connectivity
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
# Check zone delegation and root hinting
root_hints = [
NSRecord("", "rootdns"),
ARecord("rootdns", net["rootdns"].defaultIntf().ip),
AAAARecord("rootdns", net["rootdns"].defaultIntf().ip6)
]
mydomain_delegation_records = [
NSRecord("mydomain.org", "master"),
NSRecord("mydomain.org", "slave"),
ARecord("master.mydomain.org", net["master"].defaultIntf().ip),
AAAARecord("master.mydomain.org", net["master"].defaultIntf().ip6),
ARecord("slave.mydomain.org", net["slave"].defaultIntf().ip),
AAAARecord("slave.mydomain.org", net["slave"].defaultIntf().ip6),
]
org_delegation_records = [
NSRecord("org", "orgdns"),
ARecord("orgdns.org", net["orgdns"].defaultIntf().ip),
AAAARecord("orgdns.org", net["orgdns"].defaultIntf().ip6),
]
records = [([
net["master"], net["slave"]
], mydomain_delegation_records + [
ARecord("server.mydomain.org", net["server"].defaultIntf().ip),
AAAARecord("server.mydomain.org", net["server"].defaultIntf().ip6)
] + root_hints),
([net["orgdns"]], org_delegation_records +
mydomain_delegation_records + root_hints),
([net['rootdns']], root_hints + org_delegation_records)]
for nodes, zone_records in records:
for node in nodes:
for record in zone_records:
assert_dns_record(node, "localhost", record)
time.sleep(10)
net.stop()
finally:
cleanup()
"dns_server_port": 2000
}, {}, [], []),
({}, {
"refresh_time": 20,
"retry_time": 30,
"expire_time": 40,
"min_ttl": 50
}, [], [
"20 ; refresh timer", "30 ; retry timer", "40 ; retry timer",
"50 ; minimum ttl"
]),
({}, {
"records": [
AAAARecord("new", "fc00::2", ttl=100),
ARecord("new", "192.0.0.1", ttl=300),
NSRecord("test.org", "new", ttl=10)
]
}, [], [
"new 100\tIN\tAAAA\tfc00::2", "new 300\tIN\tA\t192.0.0.1",
"test.org. 10\tIN\tNS\tnew.test.org."
]),
])
def test_dns_network(named_cfg, zone_args, exp_named_cfg, exp_zone_cfg):
try:
net = IPNet(topo=CustomDNSNetwork(named_cfg, zone_args))
net.start()
# Check generated configurations
with open("/tmp/named_master2.cfg") as fileobj:
cfg = fileobj.readlines()
for line in exp_named_cfg: