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https://github.com/coredns/coredns.git
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74b84a1377
* update all +build statements Signed-off-by: MQasimSarfraz <syed.qasim.sarfraz@gmail.com> * remove old +build style Signed-off-by: MQasimSarfraz <syed.qasim.sarfraz@gmail.com>
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
//go:build etcd
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package test
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import (
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"context"
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"encoding/json"
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"testing"
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"time"
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"github.com/coredns/coredns/plugin/etcd"
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"github.com/coredns/coredns/plugin/etcd/msg"
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"github.com/miekg/dns"
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etcdcv3 "go.etcd.io/etcd/client/v3"
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)
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func etcdPlugin() *etcd.Etcd {
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etcdCfg := etcdcv3.Config{
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Endpoints: []string{"http://localhost:2379"},
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}
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cli, _ := etcdcv3.New(etcdCfg)
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return &etcd.Etcd{Client: cli, PathPrefix: "/skydns"}
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}
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func etcdPluginWithCredentials(username, password string) *etcd.Etcd {
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etcdCfg := etcdcv3.Config{
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Endpoints: []string{"http://localhost:2379"},
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Username: username,
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Password: password,
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}
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cli, _ := etcdcv3.New(etcdCfg)
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return &etcd.Etcd{Client: cli, PathPrefix: "/skydns"}
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}
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// This test starts two coredns servers (and needs etcd). Configure a stubzones in both (that will loop) and
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// will then test if we detect this loop.
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func TestEtcdStubLoop(t *testing.T) {
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// TODO(miek)
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}
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func TestEtcdStubAndProxyLookup(t *testing.T) {
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corefile := `.:0 {
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etcd skydns.local {
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stubzones
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path /skydns
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endpoint http://localhost:2379
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upstream
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fallthrough
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}
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forward . 8.8.8.8:53
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}`
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ex, udp, _, err := CoreDNSServerAndPorts(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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defer ex.Stop()
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etc := etcdPlugin()
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var ctx = context.TODO()
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for _, serv := range servicesStub { // adds example.{net,org} as stubs
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set(ctx, t, etc, serv.Key, 0, serv)
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defer delete(ctx, t, etc, serv.Key)
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}
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m := new(dns.Msg)
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m.SetQuestion("example.com.", dns.TypeA)
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resp, err := dns.Exchange(m, udp)
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if err != nil {
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t.Fatalf("Expected to receive reply, but didn't: %v", err)
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}
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if len(resp.Answer) == 0 {
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t.Fatalf("Expected to at least one RR in the answer section, got none")
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}
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if resp.Answer[0].Header().Rrtype != dns.TypeA {
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t.Errorf("Expected RR to A, got: %d", resp.Answer[0].Header().Rrtype)
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}
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if resp.Answer[0].(*dns.A).A.String() != "93.184.216.34" {
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t.Errorf("Expected 93.184.216.34, got: %s", resp.Answer[0].(*dns.A).A.String())
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}
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}
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var servicesStub = []*msg.Service{
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// Two tests, ask a question that should return servfail because remote it no accessible
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// and one with edns0 option added, that should return refused.
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{Host: "127.0.0.1", Port: 666, Key: "b.example.org.stub.dns.skydns.test."},
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// Actual test that goes out to the internet.
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{Host: "199.43.132.53", Key: "a.example.net.stub.dns.skydns.test."},
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}
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// Copied from plugin/etcd/setup_test.go
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func set(ctx context.Context, t *testing.T, e *etcd.Etcd, k string, ttl time.Duration, m *msg.Service) {
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b, err := json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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path, _ := msg.PathWithWildcard(k, e.PathPrefix)
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e.Client.KV.Put(ctx, path, string(b))
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}
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// Copied from plugin/etcd/setup_test.go
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func delete(ctx context.Context, t *testing.T, e *etcd.Etcd, k string) {
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path, _ := msg.PathWithWildcard(k, e.PathPrefix)
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e.Client.Delete(ctx, path)
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}
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