From 8beb1b2166102368ba5f19c7cf60850c555b915a Mon Sep 17 00:00:00 2001 From: Chris O'Haver Date: Wed, 1 Feb 2017 12:56:10 -0500 Subject: Allow cidr based reverse zone config (#500) * add cidrs opt * remove state data from middleware object --- middleware/kubernetes/handler.go | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'middleware/kubernetes/handler.go') diff --git a/middleware/kubernetes/handler.go b/middleware/kubernetes/handler.go index f35792881..12277911a 100644 --- a/middleware/kubernetes/handler.go +++ b/middleware/kubernetes/handler.go @@ -26,7 +26,12 @@ 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 == "" { - return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r) + // 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 state.Type() != "PTR" || !k.IsRequestInReverseRange(state) { + return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r) + } } var ( -- cgit v1.2.3