1 files changed, 0 insertions, 95 deletions
diff --git a/middleware/erratic/erratic.go b/middleware/erratic/erratic.go
deleted file mode 100644
index b05e45f03..000000000
--- a/middleware/erratic/erratic.go
+++ /dev/null
@@ -1,95 +0,0 @@
-// Package erratic implements a middleware that returns erratic answers (delayed, dropped).
-package erratic
-
-import (
-	"sync/atomic"
-	"time"
-
-	"github.com/coredns/coredns/request"
-
-	"github.com/miekg/dns"
-	"golang.org/x/net/context"
-)
-
-// Erratic is a middleware that returns erratic repsonses to each client.
-type Erratic struct {
-	drop uint64
-
-	delay    uint64
-	duration time.Duration
-
-	truncate uint64
-
-	q uint64 // counter of queries
-}
-
-// ServeDNS implements the middleware.Handler interface.
-func (e *Erratic) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
-	state := request.Request{W: w, Req: r}
-	drop := false
-	delay := false
-	trunc := false
-
-	queryNr := atomic.LoadUint64(&e.q)
-	atomic.AddUint64(&e.q, 1)
-
-	if e.drop > 0 && queryNr%e.drop == 0 {
-		drop = true
-	}
-	if e.delay > 0 && queryNr%e.delay == 0 {
-		delay = true
-	}
-	if e.truncate > 0 && queryNr&e.truncate == 0 {
-		trunc = true
-	}
-
-	m := new(dns.Msg)
-	m.SetReply(r)
-	m.Compress = true
-	m.Authoritative = true
-	if trunc {
-		m.Truncated = true
-	}
-
-	// small dance to copy rrA or rrAAAA into a non-pointer var that allows us to overwrite the ownername
-	// in a non-racy way.
-	switch state.QType() {
-	case dns.TypeA:
-		rr := *(rrA.(*dns.A))
-		rr.Header().Name = state.QName()
-		m.Answer = append(m.Answer, &rr)
-	case dns.TypeAAAA:
-		rr := *(rrAAAA.(*dns.AAAA))
-		rr.Header().Name = state.QName()
-		m.Answer = append(m.Answer, &rr)
-	default:
-		if !drop {
-			if delay {
-				time.Sleep(e.duration)
-			}
-			// coredns will return error.
-			return dns.RcodeServerFailure, nil
-		}
-	}
-
-	if drop {
-		return 0, nil
-	}
-
-	if delay {
-		time.Sleep(e.duration)
-	}
-
-	state.SizeAndDo(m)
-	w.WriteMsg(m)
-
-	return 0, nil
-}
-
-// Name implements the Handler interface.
-func (e *Erratic) Name() string { return "erratic" }
-
-var (
-	rrA, _    = dns.NewRR(". IN 0 A 192.0.2.53")
-	rrAAAA, _ = dns.NewRR(". IN 0 AAAA 2001:DB8::53")
-)