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Fix k8s chaining (#510)

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* fix k8s next middleware chaining

* add chain to integration tests

* if nit
This commit is contained in:
Chris O'Haver 2017-02-08 12:53:55 -05:00 • committed by John Belamaric
parent fa1c90a479
commit 353c1c6487
2 changed files with 40 additions and 9 deletions
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19
middleware/kubernetes/handler.go
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@ -26,16 +26,17 @@ func (k Kubernetes) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.M
// otherwise delegate to the next in the pipeline.
zone := middleware.Zones(k.Zones).Matches(state.Name())
if zone == "" {
if state.Type() == "PTR" {
// If this is a PTR request, and a the request is in a defined
// pod/service cidr range, process the request in this middleware,
// otherwise pass to next middleware.
if !k.IsRequestInReverseRange(state) {
return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r)
}
// Set the zone to this specific request.
zone = state.Name()
if state.Type() != "PTR" {
return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r)
}
// If this is a PTR request, and the request is in a defined
// pod/service cidr range, process the request in this middleware,
// otherwise pass to next middleware.
if !k.IsRequestInReverseRange(state) {
return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r)
}
// Set the zone to this specific request.
zone = state.Name()
}
var (