lint: address unused param warn, supress for tests

.golangci.yml

@@ -68,6 +68,12 @@ issues:
       linters:
         - gosec
         - dupl
+    - linters:
+        - unparam
+        - unused
+        - revive
+      path: _test\.go$
+      text: "unused-parameter"
   exclude-use-default: false
 
 service:

app/main.go

@@ -358,7 +358,7 @@ func makePluginConductor(ctx context.Context) proxy.MiddlewareProvider {
 
 	conductor := &plugin.Conductor{
 		Address: opts.Plugin.Listen,
-		RPCDialer: plugin.RPCDialerFunc(func(network, address string) (plugin.RPCClient, error) {
+		RPCDialer: plugin.RPCDialerFunc(func(_, address string) (plugin.RPCClient, error) {
 			return rpc.Dial("tcp", address)
 		}),
 	}

app/proxy/proxy.go

@@ -353,7 +353,7 @@ func (h *Http) matchHandler(next http.Handler) http.Handler {
 
 func (h *Http) assetsHandler() http.HandlerFunc {
 	if h.AssetsLocation == "" || h.AssetsWebRoot == "" {
-		return func(writer http.ResponseWriter, request *http.Request) {}
+		return func(_ http.ResponseWriter, _ *http.Request) {}
 	}
 
 	var notFound []byte
@@ -371,7 +371,7 @@ func (h *Http) assetsHandler() http.HandlerFunc {
 	fs, err := h.fileServer(h.AssetsWebRoot, h.AssetsLocation, h.AssetsSPA, notFound)
 	if err != nil {
 		log.Printf("[WARN] can't initialize assets server, %v", err)
-		return func(writer http.ResponseWriter, request *http.Request) {}
+		return func(_ http.ResponseWriter, _ *http.Request) {}
 	}
 	return h.CacheControl.Middleware(fs).ServeHTTP
 }