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, 51 deletions

diff --git a/middleware/pkg/dnsutil/reverse_test.go b/middleware/pkg/dnsutil/reverse_test.go
deleted file mode 100644
index 25bd897ac..000000000
--- a/middleware/pkg/dnsutil/reverse_test.go
+++ /dev/null
@@ -1,51 +0,0 @@
-package dnsutil
-
-import (
-	"testing"
-)
-
-func TestExtractAddressFromReverse(t *testing.T) {
-	tests := []struct {
-		reverseName     string
-		expectedAddress string
-	}{
-		{
-			"54.119.58.176.in-addr.arpa.",
-			"176.58.119.54",
-		},
-		{
-			".58.176.in-addr.arpa.",
-			"",
-		},
-		{
-			"b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.in-addr.arpa.",
-			"",
-		},
-		{
-			"b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.",
-			"2001:db8::567:89ab",
-		},
-		{
-			"d.0.1.0.0.2.ip6.arpa.",
-			"",
-		},
-		{
-			"54.119.58.176.ip6.arpa.",
-			"",
-		},
-		{
-			"NONAME",
-			"",
-		},
-		{
-			"",
-			"",
-		},
-	}
-	for i, test := range tests {
-		got := ExtractAddressFromReverse(test.reverseName)
-		if got != test.expectedAddress {
-			t.Errorf("Test %d, expected '%s', got '%s'", i, test.expectedAddress, got)
-		}
-	}
-}