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, 48 deletions

diff --git a/middleware/etcd/msg/path.go b/middleware/etcd/msg/path.go
deleted file mode 100644
index 2184b9fcd..000000000
--- a/middleware/etcd/msg/path.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package msg
-
-import (
-	"path"
-	"strings"
-
-	"github.com/coredns/coredns/middleware/pkg/dnsutil"
-
-	"github.com/miekg/dns"
-)
-
-// Path converts a domainname to an etcd path. If s looks like service.staging.skydns.local.,
-// the resulting key will be /skydns/local/skydns/staging/service .
-func Path(s, prefix string) string {
-	l := dns.SplitDomainName(s)
-	for i, j := 0, len(l)-1; i < j; i, j = i+1, j-1 {
-		l[i], l[j] = l[j], l[i]
-	}
-	return path.Join(append([]string{"/" + prefix + "/"}, l...)...)
-}
-
-// Domain is the opposite of Path.
-func Domain(s string) string {
-	l := strings.Split(s, "/")
-	// start with 1, to strip /skydns
-	for i, j := 1, len(l)-1; i < j; i, j = i+1, j-1 {
-		l[i], l[j] = l[j], l[i]
-	}
-	return dnsutil.Join(l[1 : len(l)-1])
-}
-
-// PathWithWildcard ascts as Path, but if a name contains wildcards (* or any), the name will be
-// chopped of before the (first) wildcard, and we do a highler evel search and
-// later find the matching names.  So service.*.skydns.local, will look for all
-// services under skydns.local and will later check for names that match
-// service.*.skydns.local.  If a wildcard is found the returned bool is true.
-func PathWithWildcard(s, prefix string) (string, bool) {
-	l := dns.SplitDomainName(s)
-	for i, j := 0, len(l)-1; i < j; i, j = i+1, j-1 {
-		l[i], l[j] = l[j], l[i]
-	}
-	for i, k := range l {
-		if k == "*" || k == "any" {
-			return path.Join(append([]string{"/" + prefix + "/"}, l[:i]...)...), true
-		}
-	}
-	return path.Join(append([]string{"/" + prefix + "/"}, l...)...), false
-}