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mw/kubernetes: move fallthrough tests out (#1008)
* mw/kubernetes: move fallthrough tests out Remove the testcase duplication and put fallthrough tests in separate file. Also make some names shorter and more descriptive. * fix test build * fix corefile
This commit is contained in:
Miek Gieben
GitHub
75
test/kubernetes_fallthrough_test.go
Normal file
75
test/kubernetes_fallthrough_test.go
Normal file
@@ -0,0 +1,75 @@
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// +build k8s
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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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"testing"
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"github.com/coredns/coredns/middleware/test"
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"github.com/miekg/dns"
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)
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func init() {
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log.SetOutput(ioutil.Discard)
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}
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var dnsTestCasesFallthrough = []test.Case{
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{
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Qname: "ext-svc.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("example.net. 303 IN A 13.14.15.16"),
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test.CNAME("ext-svc.test-1.svc.cluster.local. 303 IN CNAME example.net."),
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},
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},
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{
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Qname: "f.b.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("f.b.svc.cluster.local. 303 IN A 10.10.10.11"),
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},
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Ns: []dns.RR{
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test.NS("cluster.local. 303 IN NS a.iana-servers.net."),
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test.NS("cluster.local. 303 IN NS b.iana-servers.net."),
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},
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},
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{
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Qname: "foo.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("foo.cluster.local. 303 IN A 10.10.10.10"),
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},
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Ns: []dns.RR{
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test.NS("cluster.local. 303 IN NS a.iana-servers.net."),
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test.NS("cluster.local. 303 IN NS b.iana-servers.net."),
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},
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},
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}
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func TestKubernetesFallthrough(t *testing.T) {
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dbfile, rmFunc, err := TempFile(os.TempDir(), clusterLocal)
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if err != nil {
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t.Fatalf("Could not create zonefile for fallthrough server: %s", err)
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}
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defer rmFunc()
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rmFunc, upstream, udp := upstreamServer(t)
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defer upstream.Stop()
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defer rmFunc()
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corefile :=
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`.:0 {
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file ` + dbfile + ` cluster.local
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kubernetes cluster.local {
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endpoint http://localhost:8080
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namespaces test-1
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upstream ` + udp + `
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fallthrough
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}
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`
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doIntegrationTests(t, corefile, dnsTestCasesFallthrough)
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}
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@@ -270,309 +270,6 @@ var dnsTestCases = []test.Case{
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test.TXT(`dns-version.cluster.local. 303 IN TXT "1.0.1"`),
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},
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},
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{
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Qname: "ext-svc.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("example.net. 303 IN A 13.14.15.16"),
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test.CNAME("ext-svc.test-1.svc.cluster.local. 303 IN CNAME example.net."),
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},
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},
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{
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Qname: "ext-svc.test-1.svc.cluster.local.", Qtype: dns.TypeCNAME,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.CNAME("ext-svc.test-1.svc.cluster.local. 303 IN CNAME example.net."),
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},
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},
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}
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var dnsTestCasesFallthrough = []test.Case{
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{
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Qname: "svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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},
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},
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{
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Qname: "bogusservice.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "bogusendpoint.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "bogusendpoint.headless-svc.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "svc-1-a.*.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("svc-1-a.*.svc.cluster.local. 303 IN A 10.0.0.100"),
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},
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},
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{
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Qname: "svc-1-a.any.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.A("svc-1-a.any.svc.cluster.local. 303 IN A 10.0.0.100"),
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},
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},
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{
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Qname: "bogusservice.*.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "bogusservice.any.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "*.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: append([]dns.RR{
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test.A("*.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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test.A("*.test-1.svc.cluster.local. 303 IN A 10.0.0.110"),
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test.A("*.test-1.svc.cluster.local. 303 IN A 10.0.0.115"),
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test.CNAME("*.test-1.svc.cluster.local. 303 IN CNAME example.net."),
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test.A("example.net. 303 IN A 13.14.15.16"),
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}, headlessAResponse("*.test-1.svc.cluster.local.", "headless-svc", "test-1")...),
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},
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{
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Qname: "any.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: append([]dns.RR{
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test.A("any.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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test.A("any.test-1.svc.cluster.local. 303 IN A 10.0.0.110"),
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test.A("any.test-1.svc.cluster.local. 303 IN A 10.0.0.115"),
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test.CNAME("any.test-1.svc.cluster.local. 303 IN CNAME example.net."),
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test.A("example.net. 303 IN A 13.14.15.16"),
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}, headlessAResponse("any.test-1.svc.cluster.local.", "headless-svc", "test-1")...),
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},
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{
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Qname: "any.test-2.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "*.test-2.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "*.*.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: append([]dns.RR{
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test.A("*.*.svc.cluster.local. 303 IN A 10.0.0.100"),
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test.A("*.*.svc.cluster.local. 303 IN A 10.0.0.110"),
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test.A("*.*.svc.cluster.local. 303 IN A 10.0.0.115"),
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test.CNAME("*.*.svc.cluster.local. 303 IN CNAME example.net."),
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test.A("example.net. 303 IN A 13.14.15.16"),
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}, headlessAResponse("*.*.svc.cluster.local.", "headless-svc", "test-1")...),
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},
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{
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Qname: "headless-svc.test-1.svc.cluster.local.", Qtype: dns.TypeA,
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Rcode: dns.RcodeSuccess,
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Answer: headlessAResponse("headless-svc.test-1.svc.cluster.local.", "headless-svc", "test-1"),
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},
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{
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Qname: "*._TcP.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.SRV("*._TcP.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 0 50 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("*._TcP.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 0 50 80 svc-1-a.test-1.svc.cluster.local."),
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},
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Extra: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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},
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},
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{
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Qname: "*.*.bogusservice.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "*.any.svc-1-a.*.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.SRV("*.any.svc-1-a.*.svc.cluster.local. 303 IN SRV 0 50 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("*.any.svc-1-a.*.svc.cluster.local. 303 IN SRV 0 50 80 svc-1-a.test-1.svc.cluster.local."),
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},
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Extra: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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},
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},
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{
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Qname: "ANY.*.svc-1-a.any.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.SRV("ANY.*.svc-1-a.any.svc.cluster.local. 303 IN SRV 0 50 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("ANY.*.svc-1-a.any.svc.cluster.local. 303 IN SRV 0 50 80 svc-1-a.test-1.svc.cluster.local."),
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},
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Extra: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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},
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},
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{
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Qname: "*.*.bogusservice.*.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "*.*.bogusservice.any.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "_c-port._UDP.*.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: append(srvResponse("_c-port._UDP.*.test-1.svc.cluster.local.", dns.TypeSRV, "headless-svc", "test-1"),
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[]dns.RR{
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test.SRV("_c-port._UDP.*.test-1.svc.cluster.local. 303 IN SRV 0 33 1234 svc-c.test-1.svc.cluster.local.")}...),
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Extra: append(srvResponse("_c-port._UDP.*.test-1.svc.cluster.local.", dns.TypeA, "headless-svc", "test-1"),
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[]dns.RR{
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test.A("svc-c.test-1.svc.cluster.local. 303 IN A 10.0.0.115"),
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}...),
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},
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{
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Qname: "*._tcp.any.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.SRV("*._tcp.any.test-1.svc.cluster.local. 303 IN SRV 0 33 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("*._tcp.any.test-1.svc.cluster.local. 303 IN SRV 0 33 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("*._tcp.any.test-1.svc.cluster.local. 303 IN SRV 0 33 80 svc-1-b.test-1.svc.cluster.local."),
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},
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Extra: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
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test.A("svc-1-b.test-1.svc.cluster.local. 303 IN A 10.0.0.110"),
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},
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},
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{
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Qname: "*.*.any.test-2.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
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},
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},
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{
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Qname: "*.*.*.test-2.svc.cluster.local.", Qtype: dns.TypeSRV,
|
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
|
||||
},
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},
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{
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Qname: "_http._tcp.*.*.svc.cluster.local.", Qtype: dns.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.SRV("_http._tcp.*.*.svc.cluster.local. 303 IN SRV 0 50 80 svc-1-a.test-1.svc.cluster.local."),
|
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test.SRV("_http._tcp.*.*.svc.cluster.local. 303 IN SRV 0 50 80 svc-1-b.test-1.svc.cluster.local."),
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},
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Extra: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
|
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test.A("svc-1-b.test-1.svc.cluster.local. 303 IN A 10.0.0.110"),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "*.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
|
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Rcode: dns.RcodeSuccess,
|
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Answer: srvResponse("*.svc-1-a.test-1.svc.cluster.local.", dns.TypeSRV, "svc-1-a", "test-1"),
|
||||
Extra: srvResponse("*.svc-1-a.test-1.svc.cluster.local.", dns.TypeA, "svc-1-a", "test-1"),
|
||||
},
|
||||
{
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||||
Qname: "*._not-udp-or-tcp.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
|
||||
Rcode: dns.RcodeNameError,
|
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Ns: []dns.RR{
|
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test.SOA("cluster.local. 303 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2015082541 7200 3600 1209600 3600"),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
|
||||
Rcode: dns.RcodeSuccess,
|
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Answer: []dns.RR{
|
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test.SRV("svc-1-a.test-1.svc.cluster.local. 303 IN SRV 0 50 443 svc-1-a.test-1.svc.cluster.local."),
|
||||
test.SRV("svc-1-a.test-1.svc.cluster.local. 303 IN SRV 0 50 80 svc-1-a.test-1.svc.cluster.local."),
|
||||
},
|
||||
Extra: []dns.RR{
|
||||
test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.0.0.100"),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "10-20-0-101.test-1.pod.cluster.local.", Qtype: dns.TypeA,
|
||||
Rcode: dns.RcodeServerFailure,
|
||||
Answer: []dns.RR{},
|
||||
},
|
||||
{
|
||||
Qname: "dns-version.cluster.local.", Qtype: dns.TypeTXT,
|
||||
Rcode: dns.RcodeSuccess,
|
||||
Answer: []dns.RR{
|
||||
test.TXT("dns-version.cluster.local. 28800 IN TXT \"1.0.1\""),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "ext-svc.test-1.svc.cluster.local.", Qtype: dns.TypeA,
|
||||
Rcode: dns.RcodeSuccess,
|
||||
Answer: []dns.RR{
|
||||
test.A("example.net. 303 IN A 13.14.15.16"),
|
||||
test.CNAME("ext-svc.test-1.svc.cluster.local. 303 IN CNAME example.net."),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "ext-svc.test-1.svc.cluster.local.", Qtype: dns.TypeCNAME,
|
||||
Rcode: dns.RcodeSuccess,
|
||||
Answer: []dns.RR{
|
||||
test.CNAME("ext-svc.test-1.svc.cluster.local. 303 IN CNAME example.net."),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "f.b.svc.cluster.local.", Qtype: dns.TypeA,
|
||||
Rcode: dns.RcodeSuccess,
|
||||
Answer: []dns.RR{
|
||||
test.A("f.b.svc.cluster.local. 303 IN A 10.10.10.11"),
|
||||
},
|
||||
Ns: []dns.RR{
|
||||
test.NS("cluster.local. 303 IN NS a.iana-servers.net."),
|
||||
test.NS("cluster.local. 303 IN NS b.iana-servers.net."),
|
||||
},
|
||||
},
|
||||
{
|
||||
Qname: "foo.cluster.local.", Qtype: dns.TypeA,
|
||||
Rcode: dns.RcodeSuccess,
|
||||
Answer: []dns.RR{
|
||||
test.A("foo.cluster.local. 303 IN A 10.10.10.10"),
|
||||
},
|
||||
Ns: []dns.RR{
|
||||
test.NS("cluster.local. 303 IN NS a.iana-servers.net."),
|
||||
test.NS("cluster.local. 303 IN NS b.iana-servers.net."),
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
func doIntegrationTests(t *testing.T, corefile string, testCases []test.Case) {
|
||||
@@ -605,29 +302,26 @@ func doIntegrationTests(t *testing.T, corefile string, testCases []test.Case) {
|
||||
}
|
||||
}
|
||||
|
||||
func createUpstreamServer(t *testing.T) (func(), *caddy.Instance, string) {
|
||||
upfile, rmfile, err := TempFile(os.TempDir(), exampleNet)
|
||||
func upstreamServer(t *testing.T) (func(), *caddy.Instance, string) {
|
||||
upfile, rmFunc, err := TempFile(os.TempDir(), exampleNet)
|
||||
if err != nil {
|
||||
t.Fatalf("Could not create file for CNAME upstream lookups: %s", err)
|
||||
}
|
||||
upstreamServerCorefile := `.:0 {
|
||||
upstreamCorefile := `.:0 {
|
||||
file ` + upfile + ` example.net
|
||||
erratic . {
|
||||
drop 0
|
||||
}
|
||||
`
|
||||
server, udp, _, err := CoreDNSServerAndPorts(upstreamServerCorefile)
|
||||
}`
|
||||
server, udp, _, err := CoreDNSServerAndPorts(upstreamCorefile)
|
||||
if err != nil {
|
||||
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
|
||||
}
|
||||
return rmfile, server, udp
|
||||
return rmFunc, server, udp
|
||||
}
|
||||
|
||||
func TestKubernetesIntegration(t *testing.T) {
|
||||
func TestKubernetes(t *testing.T) {
|
||||
|
||||
removeUpstreamConfig, upstreamServer, udp := createUpstreamServer(t)
|
||||
defer upstreamServer.Stop()
|
||||
defer removeUpstreamConfig()
|
||||
rmFunc, upstream, udp := upstreamServer(t)
|
||||
defer upstream.Stop()
|
||||
defer rmFunc()
|
||||
|
||||
corefile :=
|
||||
`.:0 {
|
||||
@@ -637,40 +331,10 @@ func TestKubernetesIntegration(t *testing.T) {
|
||||
pods disabled
|
||||
upstream ` + udp + `
|
||||
}
|
||||
erratic . {
|
||||
drop 0
|
||||
}
|
||||
`
|
||||
doIntegrationTests(t, corefile, dnsTestCases)
|
||||
}
|
||||
|
||||
func TestKubernetesIntegrationFallthrough(t *testing.T) {
|
||||
dbfile, rmFunc, err := TempFile(os.TempDir(), clusterLocal)
|
||||
if err != nil {
|
||||
t.Fatalf("Could not create TempFile for fallthrough: %s", err)
|
||||
}
|
||||
defer rmFunc()
|
||||
|
||||
removeUpstreamConfig, upstreamServer, udp := createUpstreamServer(t)
|
||||
defer upstreamServer.Stop()
|
||||
defer removeUpstreamConfig()
|
||||
|
||||
corefile :=
|
||||
`.:0 {
|
||||
file ` + dbfile + ` cluster.local
|
||||
kubernetes cluster.local {
|
||||
endpoint http://localhost:8080
|
||||
namespaces test-1
|
||||
upstream ` + udp + `
|
||||
fallthrough
|
||||
}
|
||||
erratic {
|
||||
drop 0
|
||||
}
|
||||
`
|
||||
doIntegrationTests(t, corefile, dnsTestCasesFallthrough)
|
||||
}
|
||||
|
||||
// headlessAResponse returns the answer to an A request for the specific name and namespace.
|
||||
func headlessAResponse(qname, namespace, name string) []dns.RR {
|
||||
rr := []dns.RR{}
|
||||
|
||||
Reference in New Issue
Block a user