From 2c23c68effd708975d63ec71d71f2bb5a88b77b4 Mon Sep 17 00:00:00 2001
From: mbohlool <mehdy@google.com>
Date: Thu, 17 Nov 2016 19:21:18 -0800
Subject: [PATCH] Add version to OpenAPI spec

---
 api/openapi-spec/swagger.json             |  2 +-
 federation/apis/openapi-spec/swagger.json |  2 +-
 pkg/genericapiserver/server/config.go     | 16 ++++++++++++++--
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index 1cc5462cfff..00fc76947e7 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -2,7 +2,7 @@
   "swagger": "2.0",
   "info": {
    "title": "Kubernetes",
-   "version": "unversioned"
+   "version": "v1.6.0"
   },
   "paths": {
    "/api/": {
diff --git a/federation/apis/openapi-spec/swagger.json b/federation/apis/openapi-spec/swagger.json
index 025601e294c..c70cd6783c9 100644
--- a/federation/apis/openapi-spec/swagger.json
+++ b/federation/apis/openapi-spec/swagger.json
@@ -2,7 +2,7 @@
   "swagger": "2.0",
   "info": {
    "title": "Generic API Server",
-   "version": "unversioned"
+   "version": "v1.6.0"
   },
   "paths": {
    "/api/": {
diff --git a/pkg/genericapiserver/server/config.go b/pkg/genericapiserver/server/config.go
index 51d64b52cf8..71eae02bd40 100644
--- a/pkg/genericapiserver/server/config.go
+++ b/pkg/genericapiserver/server/config.go
@@ -219,8 +219,7 @@ func DefaultOpenAPIConfig(definitions *openapicommon.OpenAPIDefinitions) *openap
 		IgnorePrefixes: []string{"/swaggerapi"},
 		Info: &spec.Info{
 			InfoProps: spec.InfoProps{
-				Title:   "Generic API Server",
-				Version: "unversioned",
+				Title: "Generic API Server",
 			},
 		},
 		DefaultResponse: &spec.Response{
@@ -548,6 +547,19 @@ func (c completedConfig) New() (*GenericAPIServer, error) {
 
 	s.HandlerContainer = mux.NewAPIContainer(http.NewServeMux(), c.Serializer)
 
+	if s.openAPIConfig != nil {
+		if s.openAPIConfig.Info == nil {
+			s.openAPIConfig.Info = &spec.Info{}
+		}
+		if s.openAPIConfig.Info.Version == "" {
+			if c.Version != nil {
+				s.openAPIConfig.Info.Version = strings.Split(c.Version.String(), "-")[0]
+			} else {
+				s.openAPIConfig.Info.Version = "unversioned"
+			}
+		}
+	}
+
 	s.installAPI(c.Config)
 
 	s.Handler, s.InsecureHandler = c.BuildHandlerChainsFunc(s.HandlerContainer.ServeMux, c.Config)