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, 33 deletions

diff --git a/middleware/trace/trace_test.go b/middleware/trace/trace_test.go
deleted file mode 100644
index 06b2aafcf..000000000
--- a/middleware/trace/trace_test.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package trace
-
-import (
-	"testing"
-
-	"github.com/mholt/caddy"
-)
-
-// createTestTrace creates a trace middleware to be used in tests
-func createTestTrace(config string) (*caddy.Controller, *trace, error) {
-	c := caddy.NewTestController("dns", config)
-	m, err := traceParse(c)
-	return c, m, err
-}
-
-func TestTrace(t *testing.T) {
-	_, m, err := createTestTrace(`trace`)
-	if err != nil {
-		t.Errorf("Error parsing test input: %s", err)
-		return
-	}
-	if m.Name() != "trace" {
-		t.Errorf("Wrong name from GetName: %s", m.Name())
-	}
-	err = m.OnStartup()
-	if err != nil {
-		t.Errorf("Error starting tracing middleware: %s", err)
-		return
-	}
-	if m.Tracer() == nil {
-		t.Errorf("Error, no tracer created")
-	}
-}