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handle A/PTR/SRV for headless services/endpoints (#464)

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* handle A/PTR/SRV for headless services/endpoints

* error early if _proto will produce nothing

* remove wc params + various style tweaks

* Release 004

* handle A/PTR/SRV for headless services/endpoints

* error early if _proto will produce nothing

* remove wc params + various style tweaks

* optimize srv prefix validation

* poking travis

* reduce response sizes, clean func params
This commit is contained in:
Chris O'Haver
2017-01-05 10:09:59 -05:00
committed by Miek Gieben
parent 39af7e4076
commit 9a5e0c64fd
2 changed files with 286 additions and 132 deletions
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169
test/kubernetes_test.go
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@@ -104,91 +104,96 @@ var dnsTestCases = []test.Case{
},
},
//TODO: Fix below to all use test.SRV not test.A!
{
Qname: "_*._*.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "_*._*.bogusservice.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "_*._*.svc-1-a.*.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "_*._*.svc-1-a.any.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "_*._*.bogusservice.*.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "_*._*.bogusservice.any.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "_c-port._*.*.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 172-17-0-5.headless-svc.test-1.svc.cluster.local."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 172-17-0-6.headless-svc.test-1.svc.cluster.local."),
},
},
{
Qname: "_*._tcp.any.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
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."),
},
},
{
Qname: "_*._*.any.test-2.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "_*._*.*.test-2.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "_http._tcp.*.*.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "_*.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "_*._not-udp-or-tcp.svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "svc-1-a.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "bogusservice.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "svc-1-a.*.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "svc-1-a.any.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
},
},
{
Qname: "bogusservice.*.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "bogusservice.any.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "*.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
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."),
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."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 headless-svc.test-1.svc.cluster.local."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 headless-svc.test-1.svc.cluster.local."),
},
},
{
Qname: "any.test-1.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
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."),
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."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 headless-svc.test-1.svc.cluster.local."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 headless-svc.test-1.svc.cluster.local."),
},
},
{
Qname: "any.test-2.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "*.test-2.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeNameError,
Answer: []dns.RR{},
},
{
Qname: "*.*.svc.cluster.local.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
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."),
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."),
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."),
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."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 headless-svc.test-1.svc.cluster.local."),
test.SRV("_c-port._udp.headless-svc.test-1.svc.cluster.local. 303 IN SRV 10 100 1234 headless-svc.test-1.svc.cluster.local."),
},
},
{
Qname: "123.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Rcode: dns.RcodeSuccess,
@@ -196,14 +201,14 @@ var dnsTestCases = []test.Case{
},
{
Qname: "100.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Rcode: dns.RcodeSuccess,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.PTR("100.0.0.10.in-addr.arpa. 303 IN PTR svc-1-a.test-1.svc.cluster.local."),
},
},
{
Qname: "115.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Rcode: dns.RcodeSuccess,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.PTR("115.0.0.10.in-addr.arpa. 303 IN PTR svc-c.test-1.svc.cluster.local."),
},