diff options
Diffstat (limited to 'middleware/kubernetes/handler.go')
-rw-r--r-- | middleware/kubernetes/handler.go | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/middleware/kubernetes/handler.go b/middleware/kubernetes/handler.go deleted file mode 100644 index e83ab3d7d..000000000 --- a/middleware/kubernetes/handler.go +++ /dev/null @@ -1,86 +0,0 @@ -package kubernetes - -import ( - "github.com/coredns/coredns/middleware" - "github.com/coredns/coredns/middleware/pkg/dnsutil" - "github.com/coredns/coredns/request" - - "github.com/miekg/dns" - "golang.org/x/net/context" -) - -// ServeDNS implements the middleware.Handler interface. -func (k Kubernetes) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) { - state := request.Request{W: w, Req: r} - - m := new(dns.Msg) - m.SetReply(r) - m.Authoritative, m.RecursionAvailable, m.Compress = true, true, true - - zone := middleware.Zones(k.Zones).Matches(state.Name()) - if zone == "" { - return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r) - } - - state.Zone = zone - - var ( - records []dns.RR - extra []dns.RR - err error - ) - - switch state.Type() { - case "A": - records, err = middleware.A(&k, zone, state, nil, middleware.Options{}) - case "AAAA": - records, err = middleware.AAAA(&k, zone, state, nil, middleware.Options{}) - case "TXT": - records, err = middleware.TXT(&k, zone, state, middleware.Options{}) - case "CNAME": - records, err = middleware.CNAME(&k, zone, state, middleware.Options{}) - case "PTR": - records, err = middleware.PTR(&k, zone, state, middleware.Options{}) - case "MX": - records, extra, err = middleware.MX(&k, zone, state, middleware.Options{}) - case "SRV": - records, extra, err = middleware.SRV(&k, zone, state, middleware.Options{}) - case "SOA": - records, err = middleware.SOA(&k, zone, state, middleware.Options{}) - case "NS": - if state.Name() == zone { - records, extra, err = middleware.NS(&k, zone, state, middleware.Options{}) - break - } - fallthrough - default: - // Do a fake A lookup, so we can distinguish between NODATA and NXDOMAIN - _, err = middleware.A(&k, zone, state, nil, middleware.Options{}) - } - - if k.IsNameError(err) { - if k.Fallthrough { - return middleware.NextOrFailure(k.Name(), k.Next, ctx, w, r) - } - return middleware.BackendError(&k, zone, dns.RcodeNameError, state, nil /* err */, middleware.Options{}) - } - if err != nil { - return dns.RcodeServerFailure, err - } - - if len(records) == 0 { - return middleware.BackendError(&k, zone, dns.RcodeSuccess, state, nil, middleware.Options{}) - } - - m.Answer = append(m.Answer, records...) - m.Extra = append(m.Extra, extra...) - - m = dnsutil.Dedup(m) - state.SizeAndDo(m) - m, _ = state.Scrub(m) - w.WriteMsg(m) - return dns.RcodeSuccess, nil -} - -// Name implements the Handler interface. -func (k Kubernetes) Name() string { return "kubernetes" } |