d1f17fa7e0
Move all (almost all) Go files in middleware into their own packages. This makes for better naming and discoverability. Lot of changes elsewhere to make this change. The middleware.State was renamed to request.Request which is better, but still does not cover all use-cases. It was also moved out middleware because it is used by `dnsserver` as well. A pkg/dnsutil packages was added for shared, handy, dns util functions. All normalize functions are now put in normalize.go
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
// +build etcd
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package etcd
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import (
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"net"
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"sort"
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"strconv"
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"testing"
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"github.com/miekg/coredns/middleware/etcd/msg"
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"github.com/miekg/coredns/middleware/pkg/dnsrecorder"
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"github.com/miekg/coredns/middleware/test"
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"github.com/miekg/dns"
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)
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func fakeStubServerExampleNet(t *testing.T) (*dns.Server, string) {
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server, addr, err := test.UDPServer(t, "127.0.0.1:0")
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if err != nil {
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t.Fatalf("failed to create a UDP server: %s", err)
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}
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// add handler for example.net
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dns.HandleFunc("example.net.", func(w dns.ResponseWriter, r *dns.Msg) {
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t.Logf("writing response for example.net.")
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m := new(dns.Msg)
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m.SetReply(r)
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m.Answer = []dns.RR{test.A("example.net. 86400 IN A 93.184.216.34")}
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w.WriteMsg(m)
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})
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return server, addr
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}
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func TestStubLookup(t *testing.T) {
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server, addr := fakeStubServerExampleNet(t)
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defer server.Shutdown()
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host, p, _ := net.SplitHostPort(addr)
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port, _ := strconv.Atoi(p)
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exampleNetStub := &msg.Service{Host: host, Port: port, Key: "a.example.net.stub.dns.skydns.test."}
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servicesStub = append(servicesStub, exampleNetStub)
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etc := newEtcdMiddleware()
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for _, serv := range servicesStub {
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set(t, etc, serv.Key, 0, serv)
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defer delete(t, etc, serv.Key)
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}
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etc.updateStubZones()
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for _, tc := range dnsTestCasesStub {
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m := tc.Msg()
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rec := dnsrecorder.New(&test.ResponseWriter{})
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_, err := etc.ServeDNS(ctxt, rec, m)
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if err != nil && m.Question[0].Name == "example.org." {
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// This is OK, we expect this backend to *not* work.
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continue
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}
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if err != nil {
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t.Errorf("expected no error, got %v for %s\n", err, m.Question[0].Name)
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}
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resp := rec.Msg
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if resp == nil {
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// etcd not running?
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continue
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}
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sort.Sort(test.RRSet(resp.Answer))
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sort.Sort(test.RRSet(resp.Ns))
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sort.Sort(test.RRSet(resp.Extra))
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if !test.Header(t, tc, resp) {
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t.Logf("%v\n", resp)
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continue
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}
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if !test.Section(t, tc, test.Answer, resp.Answer) {
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t.Logf("%v\n", resp)
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}
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if !test.Section(t, tc, test.Ns, resp.Ns) {
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t.Logf("%v\n", resp)
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}
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if !test.Section(t, tc, test.Extra, resp.Extra) {
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t.Logf("%v\n", resp)
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}
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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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}
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var dnsTestCasesStub = []test.Case{
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{
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Qname: "example.org.", Qtype: dns.TypeA, Rcode: dns.RcodeServerFailure,
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},
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{
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Qname: "example.net.", Qtype: dns.TypeA,
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Answer: []dns.RR{test.A("example.net. 86400 IN A 93.184.216.34")},
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Extra: []dns.RR{test.OPT(4096, false)}, // This will have an EDNS0 section, because *we* added our local stub forward to detect loops.
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},
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}
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