TrueCloudLab/coredns
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middleware/proxy: implement Exchanger (#480)

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By defining and using an proxy.Exchanger interface we make the proxy
more generic and we can then fold back httproxy into proxy.

This overrides #463 and #473 and should make futures extensions rather
trivial

* Add docs that talk about `protocol` and how to set it.
* middleware/proxy: rename New to NewLookup
  It's used as a Lookup mechanism not as a completely new proxy,
  reflect that in the name.
* Set maxfails to 3 by default when looking up names.

Most of the changes have been copied
from https://github.com/johnbelamaric/coredns/pull/1/files
This commit is contained in:
Miek Gieben 2017-01-15 08:12:58 +00:00 • committed by GitHub
parent a6d232a622
commit 52e01264e8
25 changed files with 140 additions and 61 deletions
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6
test/auto_test.go
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@ -42,7 +42,7 @@ func TestAuto(t *testing.T) {
log.SetOutput(ioutil.Discard)
p := proxy.New([]string{udp})
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)
@ -108,7 +108,7 @@ func TestAutoNonExistentZone(t *testing.T) {
}
defer i.Stop()
p := proxy.New([]string{udp})
p := proxy.NewLookup([]string{udp})
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
resp, err := p.Lookup(state, "example.org.", dns.TypeA)
@ -155,7 +155,7 @@ func TestAutoAXFR(t *testing.T) {
time.Sleep(1100 * time.Millisecond) // wait for it to be picked up
p := proxy.New([]string{udp})
p := proxy.NewLookup([]string{udp})
m := new(dns.Msg)
m.SetAxfr("example.org.")
state := request.Request{W: &test.ResponseWriter{}, Req: m}