mirror of
https://github.com/coredns/coredns.git
synced 2025-10-29 01:04:15 -04:00
209 lines
6.4 KiB
Go
209 lines
6.4 KiB
Go
package external
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/coredns/coredns/plugin/kubernetes"
|
|
"github.com/coredns/coredns/plugin/kubernetes/object"
|
|
"github.com/coredns/coredns/plugin/pkg/dnstest"
|
|
"github.com/coredns/coredns/plugin/test"
|
|
"github.com/coredns/coredns/request"
|
|
|
|
"github.com/miekg/dns"
|
|
api "k8s.io/api/core/v1"
|
|
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
)
|
|
|
|
func TestExternal(t *testing.T) {
|
|
k := kubernetes.New([]string{"cluster.local."})
|
|
k.Namespaces = map[string]struct{}{"testns": {}}
|
|
k.APIConn = &external{}
|
|
|
|
e := New()
|
|
e.Zones = []string{"example.com."}
|
|
e.Next = test.NextHandler(dns.RcodeSuccess, nil)
|
|
e.externalFunc = k.External
|
|
e.externalAddrFunc = externalAddress // internal test function
|
|
|
|
ctx := context.TODO()
|
|
for i, tc := range tests {
|
|
r := tc.Msg()
|
|
w := dnstest.NewRecorder(&test.ResponseWriter{})
|
|
|
|
_, err := e.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 %q", i, r.Question[0].Name)
|
|
}
|
|
if err = test.SortAndCheck(resp, tc); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
var tests = []test.Case{
|
|
// A Service
|
|
{
|
|
Qname: "svc1.testns.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeSuccess,
|
|
Answer: []dns.RR{
|
|
test.A("svc1.testns.example.com. 5 IN A 1.2.3.4"),
|
|
},
|
|
},
|
|
{
|
|
Qname: "svc1.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
|
|
Answer: []dns.RR{test.SRV("svc1.testns.example.com. 5 IN SRV 0 100 80 svc1.testns.example.com.")},
|
|
Extra: []dns.RR{test.A("svc1.testns.example.com. 5 IN A 1.2.3.4")},
|
|
},
|
|
// SRV Service Not udp/tcp
|
|
{
|
|
Qname: "*._not-udp-or-tcp.svc1.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeNameError,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
// SRV Service
|
|
{
|
|
Qname: "_http._tcp.svc1.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
|
|
Answer: []dns.RR{
|
|
test.SRV("_http._tcp.svc1.testns.example.com. 5 IN SRV 0 100 80 svc1.testns.example.com."),
|
|
},
|
|
Extra: []dns.RR{
|
|
test.A("svc1.testns.example.com. 5 IN A 1.2.3.4"),
|
|
},
|
|
},
|
|
// AAAA Service (with an existing A record, but no AAAA record)
|
|
{
|
|
Qname: "svc1.testns.example.com.", Qtype: dns.TypeAAAA, Rcode: dns.RcodeSuccess,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
// AAAA Service (non-existing service)
|
|
{
|
|
Qname: "svc0.testns.example.com.", Qtype: dns.TypeAAAA, Rcode: dns.RcodeNameError,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
// A Service (non-existing service)
|
|
{
|
|
Qname: "svc0.testns.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeNameError,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
// A Service (non-existing namespace)
|
|
{
|
|
Qname: "svc0.svc-nons.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeNameError,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
// AAAA Service
|
|
{
|
|
Qname: "svc6.testns.example.com.", Qtype: dns.TypeAAAA, Rcode: dns.RcodeSuccess,
|
|
Answer: []dns.RR{
|
|
test.AAAA("svc6.testns.example.com. 5 IN AAAA 1:2::5"),
|
|
},
|
|
},
|
|
// SRV
|
|
{
|
|
Qname: "_http._tcp.svc6.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
|
|
Answer: []dns.RR{
|
|
test.SRV("_http._tcp.svc6.testns.example.com. 5 IN SRV 0 100 80 svc6.testns.example.com."),
|
|
},
|
|
Extra: []dns.RR{
|
|
test.AAAA("svc6.testns.example.com. 5 IN AAAA 1:2::5"),
|
|
},
|
|
},
|
|
// SRV
|
|
{
|
|
Qname: "svc6.testns.example.com.", Qtype: dns.TypeSRV, Rcode: dns.RcodeSuccess,
|
|
Answer: []dns.RR{
|
|
test.SRV("svc6.testns.example.com. 5 IN SRV 0 100 80 svc6.testns.example.com."),
|
|
},
|
|
Extra: []dns.RR{
|
|
test.AAAA("svc6.testns.example.com. 5 IN AAAA 1:2::5"),
|
|
},
|
|
},
|
|
{
|
|
Qname: "testns.example.com.", Qtype: dns.TypeA, Rcode: dns.RcodeSuccess,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
{
|
|
Qname: "testns.example.com.", Qtype: dns.TypeSOA, Rcode: dns.RcodeSuccess,
|
|
Ns: []dns.RR{
|
|
test.SOA("example.com. 5 IN SOA ns1.dns.example.com. hostmaster.example.com. 1499347823 7200 1800 86400 5"),
|
|
},
|
|
},
|
|
}
|
|
|
|
type external struct{}
|
|
|
|
func (external) HasSynced() bool { return true }
|
|
func (external) Run() {}
|
|
func (external) Stop() error { return nil }
|
|
func (external) EpIndexReverse(string) []*object.Endpoints { return nil }
|
|
func (external) SvcIndexReverse(string) []*object.Service { return nil }
|
|
func (external) Modified() int64 { return 0 }
|
|
func (external) EpIndex(s string) []*object.Endpoints { return nil }
|
|
func (external) EndpointsList() []*object.Endpoints { return nil }
|
|
func (external) GetNodeByName(name string) (*api.Node, error) { return nil, nil }
|
|
func (external) SvcIndex(s string) []*object.Service { return svcIndexExternal[s] }
|
|
func (external) PodIndex(string) []*object.Pod { return nil }
|
|
|
|
func (external) GetNamespaceByName(name string) (*api.Namespace, error) {
|
|
return &api.Namespace{
|
|
ObjectMeta: meta.ObjectMeta{
|
|
Name: name,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
var svcIndexExternal = map[string][]*object.Service{
|
|
"svc1.testns": {
|
|
{
|
|
Name: "svc1",
|
|
Namespace: "testns",
|
|
Type: api.ServiceTypeClusterIP,
|
|
ClusterIP: "10.0.0.1",
|
|
ExternalIPs: []string{"1.2.3.4"},
|
|
Ports: []api.ServicePort{{Name: "http", Protocol: "tcp", Port: 80}},
|
|
},
|
|
},
|
|
"svc6.testns": {
|
|
{
|
|
Name: "svc6",
|
|
Namespace: "testns",
|
|
Type: api.ServiceTypeClusterIP,
|
|
ClusterIP: "10.0.0.3",
|
|
ExternalIPs: []string{"1:2::5"},
|
|
Ports: []api.ServicePort{{Name: "http", Protocol: "tcp", Port: 80}},
|
|
},
|
|
},
|
|
}
|
|
|
|
func (external) ServiceList() []*object.Service {
|
|
var svcs []*object.Service
|
|
for _, svc := range svcIndexExternal {
|
|
svcs = append(svcs, svc...)
|
|
}
|
|
return svcs
|
|
}
|
|
|
|
func externalAddress(state request.Request) []dns.RR {
|
|
a := test.A("example.org. IN A 127.0.0.1")
|
|
return []dns.RR{a}
|
|
}
|