mirror of
https://github.com/coredns/coredns.git
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afe4368c34
Change the CI setup for K8s to be simpler. Now it just creates a set of objects via a yaml file, making it very easy to modify the tests. Implement PTR for services.
248 lines
8.1 KiB
Go
248 lines
8.1 KiB
Go
// +build k8s
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package test
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import (
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"testing"
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"time"
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"github.com/miekg/coredns/middleware/test"
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"github.com/mholt/caddy"
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"github.com/miekg/dns"
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)
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// Test data
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// TODO: Fix the actual RR values
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var dnsTestCases = []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 10.3.0.100"),
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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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Answer: []dns.RR{},
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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.test-1.svc.cluster.local. 303 IN A 10.3.0.100"),
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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.test-1.svc.cluster.local. 303 IN A 10.3.0.100"),
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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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Answer: []dns.RR{},
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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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Answer: []dns.RR{},
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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: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.3.0.100"),
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test.A("svc-1-b.test-1.svc.cluster.local. 303 IN A 10.3.0.110"),
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test.A("svc-c.test-1.svc.cluster.local. 303 IN A 10.3.0.115"),
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},
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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: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.3.0.100"),
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test.A("svc-1-b.test-1.svc.cluster.local. 303 IN A 10.3.0.110"),
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test.A("svc-c.test-1.svc.cluster.local. 303 IN A 10.3.0.115"),
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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.TypeA,
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Rcode: dns.RcodeNameError,
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Answer: []dns.RR{},
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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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Answer: []dns.RR{},
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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: []dns.RR{
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test.A("svc-1-a.test-1.svc.cluster.local. 303 IN A 10.3.0.100"),
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test.A("svc-1-b.test-1.svc.cluster.local. 303 IN A 10.3.0.110"),
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test.A("svc-c.test-1.svc.cluster.local. 303 IN A 10.3.0.115"),
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},
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},
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//TODO: Fix below to all use test.SRV not test.A!
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{
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Qname: "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("_http._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_https._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 443 svc-1-a.test-1.svc.cluster.local."),
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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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Answer: []dns.RR{},
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},
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{
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Qname: "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("_http._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_https._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 443 svc-1-a.test-1.svc.cluster.local."),
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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.TypeSRV,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.SRV("_http._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_https._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 443 svc-1-a.test-1.svc.cluster.local."),
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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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Answer: []dns.RR{},
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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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Answer: []dns.RR{},
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},
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{
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Qname: "*.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("_http._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_https._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_http._tcp.svc-1-b.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-b.test-1.svc.cluster.local."),
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test.SRV("_c-port._udp.svc-c.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 svc-c.test-1.svc.cluster.local."),
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},
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},
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{
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Qname: "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("_http._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_https._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_http._tcp.svc-1-b.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-b.test-1.svc.cluster.local."),
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test.SRV("_c-port._udp.svc-c.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 svc-c.test-1.svc.cluster.local."),
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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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Answer: []dns.RR{},
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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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Answer: []dns.RR{},
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},
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{
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Qname: "*.*.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-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_https._tcp.svc-1-a.test-1.svc.cluster.local. 303 IN SRV 10 100 443 svc-1-a.test-1.svc.cluster.local."),
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test.SRV("_http._tcp.svc-1-b.test-1.svc.cluster.local. 303 IN SRV 10 100 80 svc-1-b.test-1.svc.cluster.local."),
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test.SRV("_c-port._udp.svc-c.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 svc-c.test-1.svc.cluster.local."),
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},
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},
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{
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Qname: "123.0.3.10.in-addr.arpa.", Qtype: dns.TypePTR,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{},
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},
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{
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Qname: "100.0.3.10.in-addr.arpa.", Qtype: dns.TypePTR,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.PTR("100.0.3.10.in-addr.arpa. 303 IN PTR svc-1-a.test-1.svc.cluster.local."),
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},
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},
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{
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Qname: "115.0.3.10.in-addr.arpa.", Qtype: dns.TypePTR,
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Rcode: dns.RcodeSuccess,
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Answer: []dns.RR{
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test.PTR("115.0.3.10.in-addr.arpa. 303 IN PTR svc-c.test-1.svc.cluster.local."),
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},
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},
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}
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func createTestServer(t *testing.T, corefile string) (*caddy.Instance, string) {
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server, 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(server, 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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return server, udp
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}
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func TestKubernetesIntegration(t *testing.T) {
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corefile :=
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`.:0 {
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kubernetes cluster.local 0.3.10.in-addr.arpa {
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endpoint http://localhost:8080
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#endpoint https://kubernetes/
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#tls admin.pem admin-key.pem ca.pem
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#tls k8s_auth/client2.crt k8s_auth/client2.key k8s_auth/ca2.crt
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namespaces test-1
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}
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`
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server, udp := createTestServer(t, corefile)
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defer server.Stop()
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// Work-around for timing condition that results in no-data being returned in
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// test environment.
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time.Sleep(5 * time.Second)
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for _, tc := range dnsTestCases {
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dnsClient := new(dns.Client)
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dnsMessage := new(dns.Msg)
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dnsMessage.SetQuestion(tc.Qname, tc.Qtype)
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res, _, err := dnsClient.Exchange(dnsMessage, udp)
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if err != nil {
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t.Fatalf("Could not send query: %s", err)
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}
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// check the answer
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if res.Rcode != tc.Rcode {
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t.Errorf("Expected rcode %d but got %d for query %s, %d", tc.Rcode, res.Rcode, tc.Qname, tc.Qtype)
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}
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if len(res.Answer) != len(tc.Answer) {
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t.Errorf("Expected %d answers but got %d for query %s, %d", len(tc.Answer), len(res.Answer), tc.Qname, tc.Qtype)
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}
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//TODO: Check the actual RR values
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}
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}
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