mirror of
https://github.com/coredns/coredns.git
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d536272201
Add auto-load middleware that automatically picks up zones. Every X seconds it will scan for new zones. Add tests and documentation. Make 'make test' use -race.
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package test
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import (
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"io/ioutil"
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"log"
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"os"
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"path"
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"testing"
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"time"
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"github.com/miekg/coredns/middleware/proxy"
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"github.com/miekg/coredns/middleware/test"
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"github.com/miekg/coredns/request"
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"github.com/miekg/dns"
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)
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func TestAuto(t *testing.T) {
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tmpdir, err := ioutil.TempDir(os.TempDir(), "coredns")
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if err != nil {
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t.Fatal(err)
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}
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corefile := `org:0 {
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auto {
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directory ` + tmpdir + ` db\.(.*) {1} 1
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}
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}
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`
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i, err := CoreDNSServer(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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udp, _ := CoreDNSServerPorts(i, 0)
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if udp == "" {
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t.Fatalf("Could not get UDP listening port")
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}
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defer i.Stop()
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log.SetOutput(ioutil.Discard)
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p := proxy.New([]string{udp})
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state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
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resp, err := p.Lookup(state, "www.example.org.", dns.TypeA)
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if err != nil {
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t.Fatal("Expected to receive reply, but didn't")
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}
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if resp.Rcode != dns.RcodeServerFailure {
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t.Fatalf("Expected reply to be a SERVFAIL, got %d", resp.Rcode)
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}
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// Write db.example.org to get example.org.
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if err = ioutil.WriteFile(path.Join(tmpdir, "db.example.org"), []byte(zoneContent), 0644); err != nil {
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t.Fatal(err)
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}
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time.Sleep(1100 * time.Millisecond) // wait for it to be picked up
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resp, err = p.Lookup(state, "www.example.org.", dns.TypeA)
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if err != nil {
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t.Fatal("Expected to receive reply, but didn't")
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}
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if len(resp.Answer) != 1 {
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t.Fatalf("Expected 1 RR in the answer section, got %d", len(resp.Answer))
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}
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// Remove db.example.org again.
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os.Remove(path.Join(tmpdir, "db.example.org"))
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time.Sleep(1100 * time.Millisecond) // wait for it to be picked up
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resp, err = p.Lookup(state, "www.example.org.", dns.TypeA)
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if err != nil {
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t.Fatal("Expected to receive reply, but didn't")
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}
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if resp.Rcode != dns.RcodeServerFailure {
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t.Fatalf("Expected reply to be a SERVFAIL, got %d", resp.Rcode)
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}
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}
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const zoneContent = `; testzone
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@ IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082534 7200 3600 1209600 3600
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NS a.iana-servers.net.
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NS b.iana-servers.net.
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www IN A 127.0.0.1
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`
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