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package kubernetes
import (
"sort"
"testing"
"github.com/coredns/coredns/middleware/pkg/dnsrecorder"
"github.com/coredns/coredns/middleware/test"
"github.com/miekg/dns"
"golang.org/x/net/context"
"k8s.io/client-go/1.5/pkg/api"
)
type APIConnReverseTest struct{}
func (APIConnReverseTest) Run() { return }
func (APIConnReverseTest) Stop() error { return nil }
func (APIConnReverseTest) PodIndex(string) []interface{} { return nil }
func (APIConnReverseTest) ServiceList() []*api.Service {
svcs := []*api.Service{
{
ObjectMeta: api.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) EndpointsList() api.EndpointsList {
return api.EndpointsList{
Items: []api.Endpoints{
{
Subsets: []api.EndpointSubset{
{
Addresses: []api.EndpointAddress{
{
IP: "10.0.0.100",
Hostname: "ep1a",
},
},
Ports: []api.EndpointPort{
{
Port: 80,
Protocol: "tcp",
Name: "http",
},
},
},
},
ObjectMeta: api.ObjectMeta{
Name: "svc1",
Namespace: "testns",
},
},
},
}
}
func (APIConnReverseTest) GetNodeByName(name string) (api.Node, error) {
return api.Node{
ObjectMeta: api.ObjectMeta{
Name: "test.node.foo.bar",
},
}, nil
}
func TestReverse(t *testing.T) {
k := Kubernetes{Zones: []string{"cluster.local.", "0.10.in-addr.arpa."}}
k.interfaceAddrsFunc = localPodIP
k.APIConn = &APIConnReverseTest{}
tests := []test.Case{
{
Qname: "100.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.PTR("100.0.0.10.in-addr.arpa. 303 IN PTR ep1a.svc1.testns.svc.cluster.local."),
},
},
{
Qname: "101.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Rcode: dns.RcodeSuccess,
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. 1502782828 7200 1800 86400 60"),
},
},
}
ctx := context.TODO()
for i, tc := range tests {
r := tc.Msg()
w := dnsrecorder.New(&test.ResponseWriter{})
_, err := k.ServeDNS(ctx, w, r)
if err != tc.Error {
t.Errorf("Test %d: expected no error, got %v", i, err)
return
}
if tc.Error != nil {
continue
}
resp := w.Msg
if resp == nil {
t.Fatalf("Test %d: got nil message and no error for: %s %d", i, r.Question[0].Name, r.Question[0].Qtype)
}
sort.Sort(test.RRSet(resp.Answer))
sort.Sort(test.RRSet(resp.Ns))
sort.Sort(test.RRSet(resp.Extra))
if !test.Header(t, tc, resp) {
t.Logf("Test %d, received: %v", i, resp)
continue
}
if !test.Section(t, tc, test.Answer, resp.Answer) {
t.Logf("Test %d, received: %v", i, resp)
}
if !test.Section(t, tc, test.Ns, resp.Ns) {
t.Logf("Test %d, received: %v", i, resp)
}
if !test.Section(t, tc, test.Extra, resp.Extra) {
t.Logf("Test %d, received: %v", i, resp)
}
}
}
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