Remove debug queries (#1058)

* Remove debug from interface and methods

* remove debug queries from etcd

* remove debug queries from k8s - they were not used

* And remove from mw/proxy-google as well

* Remove debug query test

1 files changed, 6 insertions, 11 deletions

diff --git a/middleware/backend.go b/middleware/backend.go
index c626b36af..bf4bf8967 100644
--- a/middleware/backend.go
+++ b/middleware/backend.go
@@ -11,27 +11,22 @@ import (
 type ServiceBackend interface {
 	// Services communicates with the backend to retrieve the service definition. Exact indicates
 	// on exact much are that we are allowed to recurs.
-	Services(state request.Request, exact bool, opt Options) ([]msg.Service, []msg.Service, error)
+	Services(state request.Request, exact bool, opt Options) ([]msg.Service, error)
 
 	// Reverse communicates with the backend to retrieve service definition based on a IP address
 	// instead of a name. I.e. a reverse DNS lookup.
-	Reverse(state request.Request, exact bool, opt Options) ([]msg.Service, []msg.Service, error)
+	Reverse(state request.Request, exact bool, opt Options) ([]msg.Service, error)
 
 	// Lookup is used to find records else where.
 	Lookup(state request.Request, name string, typ uint16) (*dns.Msg, error)
 
-	// IsNameError return true if err indicated a record not found condition
-	IsNameError(err error) bool
-
-	// Debug returns a string used when returning debug services.
-	Debug() string
-
 	// Returns _all_ services that matches a certain name.
 	// Note: it does not implement a specific service.
 	Records(state request.Request, exact bool) ([]msg.Service, error)
+
+	// IsNameError return true if err indicated a record not found condition
+	IsNameError(err error) bool
 }
 
 // Options are extra options that can be specified for a lookup.
-type Options struct {
-	Debug string // This is a debug query. A query prefixed with debug.o-o
-}
+type Options struct{}