feat(ui): package zui within zot binary (#1161)

(cherry picked from commit d557da0baba819b7cd7e6b5941528776e125ac6d)

build(ui): fix stacker builds


(cherry picked from commit ba25daf02b4a9bc7ee1cb6f84b7a6b096ca7d61f)

build(ui): various fixes

- Fix metrics endpoint
- Fix unit tests unit tests
- Make the ui build optional in the makefile
before the linter lint runs in the golangci-lint workflow
- Do not attempt to include UI routes if search is enabled
- Fix authorization for search endpoint



fix: use zot tag in ui make target


(cherry picked from commit 2a6882fa23f06b2d68c6c299773a6ff50bf90e78)

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>
Signed-off-by: Catalin Hofnar <catalin.hofnar@gmail.com>
Signed-off-by: Andrei Aaron <aaaron@luxoft.com>
Co-authored-by: Ramkumar Chinchani <rchincha@cisco.com>

pkg/debug/gqlplayground/gqlplayground.go

@@ -33,7 +33,7 @@ func SetupGQLPlaygroundRoutes(conf *config.Config, router *mux.Router,
 	}
 
 	//nolint:lll
-	router.PathPrefix(constants.RoutePrefix + debugCst.GQLPlaygroundEndpoint).HandlerFunc(func(writer http.ResponseWriter, req *http.Request) {
+	router.PathPrefix(debugCst.GQLPlaygroundEndpoint).HandlerFunc(func(writer http.ResponseWriter, req *http.Request) {
 		writer.Header().Add("Content-Type", "text/html")
 
 		proto := ""

pkg/debug/swagger/swagger.go

@@ -17,9 +17,12 @@ import (
 	_ "zotregistry.io/zot/swagger"
 )
 
-func SetupSwaggerRoutes(conf *config.Config, router *mux.Router, log log.Logger,
+func SetupSwaggerRoutes(conf *config.Config, router *mux.Router, authFunc mux.MiddlewareFunc,
+	log log.Logger,
 ) {
 	log.Info().Msg("setting up swagger route")
 	// swagger swagger "/swagger/v2/index.html"
-	router.PathPrefix("/swagger/v2/").Methods("GET").Handler(httpSwagger.WrapHandler)
+	swgRouter := router.PathPrefix("/swagger/v2/").Subrouter()
+	swgRouter.Use(authFunc)
+	swgRouter.Methods("GET").Handler(httpSwagger.WrapHandler)
 }

pkg/debug/swagger/swagger_disabled.go

@@ -16,7 +16,8 @@ import (
 	_ "zotregistry.io/zot/swagger"
 )
 
-func SetupSwaggerRoutes(conf *config.Config, router *mux.Router, log log.Logger,
+func SetupSwaggerRoutes(conf *config.Config, router *mux.Router, authFunc mux.MiddlewareFunc,
+	log log.Logger,
 ) {
 	// swagger swagger "/swagger/v2/index.html"
 	log.Warn().Msg("skipping enabling swagger because given zot binary " +