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|
package test
import (
"io/ioutil"
"log"
"os"
"path"
"testing"
"time"
"github.com/coredns/coredns/middleware/proxy"
"github.com/coredns/coredns/middleware/test"
"github.com/coredns/coredns/request"
"github.com/miekg/dns"
)
func TestAuto(t *testing.T) {
t.Parallel()
tmpdir, err := ioutil.TempDir(os.TempDir(), "coredns")
if err != nil {
t.Fatal(err)
}
corefile := `org:0 {
auto {
directory ` + tmpdir + ` db\.(.*) {1} 1
}
}
`
i, udp, _, err := CoreDNSServerAndPorts(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
defer i.Stop()
log.SetOutput(ioutil.Discard)
p := proxy.NewLookup([]string{udp})
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
resp, err := p.Lookup(state, "www.example.org.", dns.TypeA)
if err != nil {
t.Fatal("Expected to receive reply, but didn't")
}
if resp.Rcode != dns.RcodeServerFailure {
t.Fatalf("Expected reply to be a SERVFAIL, got %d", resp.Rcode)
}
// Write db.example.org to get example.org.
if err = ioutil.WriteFile(path.Join(tmpdir, "db.example.org"), []byte(zoneContent), 0644); err != nil {
t.Fatal(err)
}
time.Sleep(1500 * time.Millisecond) // wait for it to be picked up
resp, err = p.Lookup(state, "www.example.org.", dns.TypeA)
if err != nil {
t.Fatal("Expected to receive reply, but didn't")
}
if len(resp.Answer) != 1 {
t.Fatalf("Expected 1 RR in the answer section, got %d", len(resp.Answer))
}
// Remove db.example.org again.
os.Remove(path.Join(tmpdir, "db.example.org"))
time.Sleep(1100 * time.Millisecond) // wait for it to be picked up
resp, err = p.Lookup(state, "www.example.org.", dns.TypeA)
if err != nil {
t.Fatal("Expected to receive reply, but didn't")
}
if resp.Rcode != dns.RcodeServerFailure {
t.Fatalf("Expected reply to be a SERVFAIL, got %d", resp.Rcode)
}
}
func TestAutoNonExistentZone(t *testing.T) {
t.Parallel()
tmpdir, err := ioutil.TempDir(os.TempDir(), "coredns")
if err != nil {
t.Fatal(err)
}
log.SetOutput(ioutil.Discard)
corefile := `.:0 {
auto {
directory ` + tmpdir + ` (.*) {1} 1
}
errors stdout
}
`
i, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
udp, _ := CoreDNSServerPorts(i, 0)
if udp == "" {
t.Fatal("Could not get UDP listening port")
}
defer i.Stop()
p := proxy.NewLookup([]string{udp})
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
resp, err := p.Lookup(state, "example.org.", dns.TypeA)
if err != nil {
t.Fatal("Expected to receive reply, but didn't")
}
if resp.Rcode != dns.RcodeServerFailure {
t.Fatalf("Expected reply to be a SERVFAIL, got %d", resp.Rcode)
}
}
func TestAutoAXFR(t *testing.T) {
t.Parallel()
log.SetOutput(ioutil.Discard)
tmpdir, err := ioutil.TempDir(os.TempDir(), "coredns")
if err != nil {
t.Fatal(err)
}
corefile := `org:0 {
auto {
directory ` + tmpdir + ` db\.(.*) {1} 1
transfer to *
}
}
`
i, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
udp, _ := CoreDNSServerPorts(i, 0)
if udp == "" {
t.Fatal("Could not get UDP listening port")
}
defer i.Stop()
// Write db.example.org to get example.org.
if err = ioutil.WriteFile(path.Join(tmpdir, "db.example.org"), []byte(zoneContent), 0644); err != nil {
t.Fatal(err)
}
time.Sleep(1100 * time.Millisecond) // wait for it to be picked up
p := proxy.NewLookup([]string{udp})
m := new(dns.Msg)
m.SetAxfr("example.org.")
state := request.Request{W: &test.ResponseWriter{}, Req: m}
resp, err := p.Lookup(state, "example.org.", dns.TypeAXFR)
if err != nil {
t.Fatal("Expected to receive reply, but didn't")
}
if len(resp.Answer) != 5 {
t.Fatalf("Expected response with %d RRs, got %d", 5, len(resp.Answer))
}
}
const zoneContent = `; testzone
@ IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082534 7200 3600 1209600 3600
NS a.iana-servers.net.
NS b.iana-servers.net.
www IN A 127.0.0.1
`
|
