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middleware/kubernetes: fix aaaa response (#780)

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* fix aaaa response

* unit tests
This commit is contained in:
Chris O'Haver 2017-07-20 08:19:29 -04:00 • committed by John Belamaric
parent 81315b0b3b
commit 58006cf847
3 changed files with 25 additions and 8 deletions
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13
middleware/kubernetes/kubernetes.go
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@ -115,10 +115,7 @@ func (k *Kubernetes) Services(state request.Request, exact bool, opt middleware.
return nil, nil, e
}
switch state.Type() {
case "AAAA":
// AAAA not implemented
return nil, nil, errNoItems
case "A", "CNAME":
case "A", "AAAA", "CNAME":
if state.Type() == "A" && isDefaultNS(state.Name(), r) {
// If this is an A request for "ns.dns", respond with a "fake" record for coredns.
// SOA records always use this hardcoded name
@ -126,6 +123,10 @@ func (k *Kubernetes) Services(state request.Request, exact bool, opt middleware.
return svcs, nil, nil
}
s, e := k.Entries(r)
if state.QType() == dns.TypeAAAA {
// AAAA not implemented
return nil, nil, e
}
return s, nil, e // Haven't implemented debug queries yet.
case "SRV":
s, e := k.Entries(r)
@ -325,8 +326,8 @@ func (k *Kubernetes) parseRequest(lowerCasedName string, qtype uint16) (r record
}
offset = 2
}
if qtype == dns.TypeA && len(segs) == 4 {
// This is an endpoint A record request. Get first element as endpoint.
if (qtype == dns.TypeA || qtype == dns.TypeAAAA) && len(segs) == 4 {
// This is an endpoint A/AAAA record request. Get first element as endpoint.
r.endpoint = segs[0]
offset = 1
}