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Added tests for lookups on the 'addr.consul' domain

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This commit is contained in:
Kyle Havlovitz 2016-10-27 20:41:24 -07:00
parent 84c87325ae
commit 63534aca7e
2 changed files with 81 additions and 2 deletions
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2
command/agent/dns.go
View File

@ -359,7 +359,7 @@ PARSE:
d.preparedQueryLookup(network, datacenter, query, req, resp) d.preparedQueryLookup(network, datacenter, query, req, resp)
case "addr": case "addr":
if n < 2 { if n != 2 {
goto INVALID goto INVALID
} }

81
command/agent/dns_test.go
View File

@ -1062,7 +1062,7 @@ func TestDNS_ServiceLookup_ServiceAddress(t *testing.T) {
} }
} }
func TestDNS_ServiceLookup_ServiceAddressIPv6(t *testing.T) { func TestDNS_ServiceLookup_ServiceAddressIPV6(t *testing.T) {
dir, srv := makeDNSServer(t) dir, srv := makeDNSServer(t)
defer os.RemoveAll(dir) defer os.RemoveAll(dir)
defer srv.agent.Shutdown() defer srv.agent.Shutdown()
@ -3493,6 +3493,85 @@ func TestDNS_ServiceLookup_FilterACL(t *testing.T) {
} }
} }
func TestDNS_AddressLookup(t *testing.T) {
dir, srv := makeDNSServer(t)
defer os.RemoveAll(dir)
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Look up the addresses
cases := map[string]string{
"7f000001.addr.dc1.consul.": "127.0.0.1",
}
for question, answer := range cases {
m := new(dns.Msg)
m.SetQuestion(question, dns.TypeSRV)
c := new(dns.Client)
addr, _ := srv.agent.config.ClientListener("", srv.agent.config.Ports.DNS)
in, _, err := c.Exchange(m, addr.String())
if err != nil {
t.Fatalf("err: %v", err)
}
if len(in.Answer) != 1 {
t.Fatalf("Bad: %#v", in)
}
aRec, ok := in.Answer[0].(*dns.A)
if !ok {
t.Fatalf("Bad: %#v", in.Answer[0])
}
if aRec.A.To4().String() != answer {
t.Fatalf("Bad: %#v", aRec)
}
if aRec.Hdr.Ttl != 0 {
t.Fatalf("Bad: %#v", in.Answer[0])
}
}
}
func TestDNS_AddressLookupIPV6(t *testing.T) {
dir, srv := makeDNSServer(t)
defer os.RemoveAll(dir)
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Look up the addresses
cases := map[string]string{
"2607002040050808000000000000200e.addr.consul.": "2607:20:4005:808::200e",
"2607112040051808ffffffffffff200e.addr.consul.": "2607:1120:4005:1808:ffff:ffff:ffff:200e",
}
for question, answer := range cases {
m := new(dns.Msg)
m.SetQuestion(question, dns.TypeSRV)
c := new(dns.Client)
addr, _ := srv.agent.config.ClientListener("", srv.agent.config.Ports.DNS)
in, _, err := c.Exchange(m, addr.String())
if err != nil {
t.Fatalf("err: %v", err)
}
if len(in.Answer) != 1 {
t.Fatalf("Bad: %#v", in)
}
aaaaRec, ok := in.Answer[0].(*dns.AAAA)
if !ok {
t.Fatalf("Bad: %#v", in.Answer[0])
}
if aaaaRec.AAAA.To16().String() != answer {
t.Fatalf("Bad: %#v", aaaaRec)
}
if aaaaRec.Hdr.Ttl != 0 {
t.Fatalf("Bad: %#v", in.Answer[0])
}
}
}
func TestDNS_NonExistingLookup(t *testing.T) { func TestDNS_NonExistingLookup(t *testing.T) {
dir, srv := makeDNSServer(t) dir, srv := makeDNSServer(t)
defer os.RemoveAll(dir) defer os.RemoveAll(dir)