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plugin/kubernetes: PTR/A reverse query corner cases (#1551)

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* better handle non PTR rev zone qrys

* vice versa

* tests

* comment typo

* much cleaner
This commit is contained in:
Chris O'Haver 2018-02-28 10:53:12 -05:00 • committed by Miek Gieben
parent 3c31011ced
commit 395b614349
4 changed files with 56 additions and 2 deletions
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46
plugin/kubernetes/reverse_test.go
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@ -18,12 +18,35 @@ func (APIConnReverseTest) HasSynced() bool { return true }
func (APIConnReverseTest) Run() { return }
func (APIConnReverseTest) Stop() error { return nil }
func (APIConnReverseTest) PodIndex(string) []*api.Pod { return nil }
func (APIConnReverseTest) SvcIndex(string) []*api.Service { return nil }
func (APIConnReverseTest) EpIndex(string) []*api.Endpoints { return nil }
func (APIConnReverseTest) EndpointsList() []*api.Endpoints { return nil }
func (APIConnReverseTest) ServiceList() []*api.Service { return nil }
func (APIConnReverseTest) Modified() int64 { return 0 }
func (APIConnReverseTest) SvcIndex(svc string) []*api.Service {
if svc != "svc1.testns" {
return nil
}
svcs := []*api.Service{
{
ObjectMeta: meta.ObjectMeta{
Name: "svc1",
Namespace: "testns",
},
Spec: api.ServiceSpec{
ClusterIP: "192.168.1.100",
Ports: []api.ServicePort{{
Name: "http",
Protocol: "tcp",
Port: 80,
}},
},
},
}
return svcs
}
func (APIConnReverseTest) SvcIndexReverse(ip string) []*api.Service {
if ip != "192.168.1.100" {
return nil
@ -162,11 +185,32 @@ func TestReverse(t *testing.T) {
},
{
Qname: "example.org.cluster.local.", Qtype: dns.TypePTR,
Rcode: dns.RcodeNameError,
Ns: []dns.RR{
test.SOA("cluster.local. 300 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 1502989566 7200 1800 86400 60"),
},
},
{
Qname: "svc1.testns.svc.cluster.local.", Qtype: dns.TypePTR,
Rcode: dns.RcodeSuccess,
Ns: []dns.RR{
test.SOA("cluster.local. 300 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 1502989566 7200 1800 86400 60"),
},
},
{
Qname: "svc1.testns.svc.0.10.in-addr.arpa.", Qtype: dns.TypeA,
Rcode: dns.RcodeNameError,
Ns: []dns.RR{
test.SOA("0.10.in-addr.arpa. 300 IN SOA ns.dns.0.10.in-addr.arpa. hostmaster.0.10.in-addr.arpa. 1502989566 7200 1800 86400 60"),
},
},
{
Qname: "100.0.0.10.cluster.local.", Qtype: dns.TypePTR,
Rcode: dns.RcodeNameError,
Ns: []dns.RR{
test.SOA("cluster.local. 300 IN SOA ns.dns.cluster.local. hostmaster.cluster.local. 1502989566 7200 1800 86400 60"),
},
},
}
ctx := context.TODO()