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, 56 deletions

diff --git a/middleware/kubernetes/parse_test.go b/middleware/kubernetes/parse_test.go
deleted file mode 100644
index 06d5a2aaa..000000000
--- a/middleware/kubernetes/parse_test.go
+++ /dev/null
@@ -1,56 +0,0 @@
-package kubernetes
-
-import (
-	"testing"
-
-	"github.com/coredns/coredns/request"
-
-	"github.com/miekg/dns"
-)
-
-func TestParseRequest(t *testing.T) {
-	tests := []struct {
-		query    string
-		expected string // output from r.String()
-	}{
-		// valid SRV request
-		{"_http._tcp.webs.mynamespace.svc.inter.webs.test.", "http.tcp..webs.mynamespace.svc"},
-		// wildcard acceptance
-		{"*.any.*.any.svc.inter.webs.test.", "*.any..*.any.svc"},
-		// A request of endpoint
-		{"1-2-3-4.webs.mynamespace.svc.inter.webs.test.", "*.*.1-2-3-4.webs.mynamespace.svc"},
-	}
-	for i, tc := range tests {
-		m := new(dns.Msg)
-		m.SetQuestion(tc.query, dns.TypeA)
-		state := request.Request{Zone: zone, Req: m}
-
-		r, e := parseRequest(state)
-		if e != nil {
-			t.Errorf("Test %d, expected no error, got '%v'.", i, e)
-		}
-		rs := r.String()
-		if rs != tc.expected {
-			t.Errorf("Test %d, expected (stringyfied) recordRequest: %s, got %s", i, tc.expected, rs)
-		}
-	}
-}
-
-func TestParseInvalidRequest(t *testing.T) {
-	invalid := []string{
-		"webs.mynamespace.pood.inter.webs.test.",                 // Request must be for pod or svc subdomain.
-		"too.long.for.what.I.am.trying.to.pod.inter.webs.tests.", // Too long.
-	}
-
-	for i, query := range invalid {
-		m := new(dns.Msg)
-		m.SetQuestion(query, dns.TypeA)
-		state := request.Request{Zone: zone, Req: m}
-
-		if _, e := parseRequest(state); e == nil {
-			t.Errorf("Test %d: expected error from %s, got none", i, query)
-		}
-	}
-}
-
-const zone = "intern.webs.tests."