AbsPath should be compatible with proxy-prefixes:

- replace Config.Prefix with .Host and .APIPath
- Request .path promoted to .pathPrefix, .baseURL holds required prefix

pkg/client/typed/generated/extensions/unversioned/extensions_client.go

@@ -94,7 +94,7 @@ func setConfigDefaults(config *unversioned.Config) error {
 	if err != nil {
 		return err
 	}
-	config.Prefix = "/apis"
+	config.APIPath = "/apis"
 	if config.UserAgent == "" {
 		config.UserAgent = unversioned.DefaultKubernetesUserAgent()
 	}

pkg/client/typed/generated/legacy/unversioned/legacy_client.go

@@ -139,7 +139,7 @@ func setConfigDefaults(config *unversioned.Config) error {
 	if err != nil {
 		return err
 	}
-	config.Prefix = "/api"
+	config.APIPath = "/api"
 	if config.UserAgent == "" {
 		config.UserAgent = unversioned.DefaultKubernetesUserAgent()
 	}