Remove the word middleware (#1067)

* Rename middleware to plugin

first pass; mostly used 'sed', few spots where I manually changed
text.

This still builds a coredns binary.

* fmt error

* Rename AddMiddleware to AddPlugin

* Readd AddMiddleware to remain backwards compat

1 files changed, 0 insertions, 61 deletions

diff --git a/middleware/kubernetes/handler_pod_disabled_test.go b/middleware/kubernetes/handler_pod_disabled_test.go
deleted file mode 100644
index b1fb7604c..000000000
--- a/middleware/kubernetes/handler_pod_disabled_test.go
+++ /dev/null
@@ -1,61 +0,0 @@
-package kubernetes
-
-import (
-	"testing"
-
-	"github.com/coredns/coredns/middleware/pkg/dnsrecorder"
-	"github.com/coredns/coredns/middleware/test"
-
-	"github.com/miekg/dns"
-	"golang.org/x/net/context"
-)
-
-var podModeDisabledCases = []test.Case{
-	{
-		Qname: "10-240-0-1.podns.pod.cluster.local.", Qtype: dns.TypeA,
-		Rcode: dns.RcodeNameError,
-		Error: errPodsDisabled,
-		Ns: []dns.RR{
-			test.SOA("cluster.local.	300	IN	SOA	ns.dns.cluster.local. hostmaster.cluster.local. 1499347823 7200 1800 86400 60"),
-		},
-	},
-	{
-		Qname: "172-0-0-2.podns.pod.cluster.local.", Qtype: dns.TypeA,
-		Rcode: dns.RcodeNameError,
-		Error: errPodsDisabled,
-		Ns: []dns.RR{
-			test.SOA("cluster.local.	300	IN	SOA	ns.dns.cluster.local. hostmaster.cluster.local. 1499347823 7200 1800 86400 60"),
-		},
-	},
-}
-
-func TestServeDNSModeDisabled(t *testing.T) {
-
-	k := New([]string{"cluster.local."})
-	k.APIConn = &APIConnServeTest{}
-	k.Next = test.NextHandler(dns.RcodeSuccess, nil)
-	k.podMode = podModeDisabled
-	ctx := context.TODO()
-
-	for i, tc := range podModeDisabledCases {
-		r := tc.Msg()
-
-		w := dnsrecorder.New(&test.ResponseWriter{})
-
-		_, err := k.ServeDNS(ctx, w, r)
-		if err != tc.Error {
-			t.Errorf("Test %d expected no error, got %v", i, err)
-			return
-		}
-		if tc.Error != nil {
-			continue
-		}
-
-		resp := w.Msg
-		if resp == nil {
-			t.Fatalf("Test %d, got nil message and no error for %q", i, r.Question[0].Name)
-		}
-
-		test.SortAndCheck(t, resp, tc)
-	}
-}