Merge pull request #10824 from smarterclayton/fix_version

Merged by openshift-bot

Author: OpenShift Bot

pkg/cmd/cli/cmd/version.go

@@ -128,38 +128,37 @@ func (o VersionOptions) RunVersion() error {
 			return
 		}
 
-		ocVersionBody, err := oClient.Get().AbsPath("/version/openshift").Do().Raw()
-		if kapierrors.IsNotFound(err) || kapierrors.IsUnauthorized(err) || kapierrors.IsForbidden(err) {
-			return
-		}
-		if err != nil {
-			done <- err
-			return
-		}
-		var ocServerInfo version.Info
-		err = json.Unmarshal(ocVersionBody, &ocServerInfo)
-		if err != nil && len(ocVersionBody) > 0 {
-			done <- err
-			return
-		}
-		oVersion = fmt.Sprintf("%v", ocServerInfo)
-
 		kubeVersionBody, err := kClient.Get().AbsPath("/version").Do().Raw()
-		if kapierrors.IsNotFound(err) || kapierrors.IsUnauthorized(err) || kapierrors.IsForbidden(err) {
-			return
-		}
-		if err != nil {
+		switch {
+		case err == nil:
+			var kubeServerInfo kubeversion.Info
+			err = json.Unmarshal(kubeVersionBody, &kubeServerInfo)
+			if err != nil && len(kubeVersionBody) > 0 {
+				done <- err
+				return
+			}
+			kVersion = fmt.Sprintf("%v", kubeServerInfo)
+		case kapierrors.IsNotFound(err) || kapierrors.IsUnauthorized(err) || kapierrors.IsForbidden(err):
+		default:
 			done <- err
 			return
 		}
-		var kubeServerInfo kubeversion.Info
-		err = json.Unmarshal(kubeVersionBody, &kubeServerInfo)
-		if err != nil && len(kubeVersionBody) > 0 {
+
+		ocVersionBody, err := oClient.Get().AbsPath("/version/openshift").Do().Raw()
+		switch {
+		case err == nil:
+			var ocServerInfo version.Info
+			err = json.Unmarshal(ocVersionBody, &ocServerInfo)
+			if err != nil && len(ocVersionBody) > 0 {
+				done <- err
+				return
+			}
+			oVersion = fmt.Sprintf("%v", ocServerInfo)
+		case kapierrors.IsNotFound(err) || kapierrors.IsUnauthorized(err) || kapierrors.IsForbidden(err):
+		default:
 			done <- err
 			return
 		}
-		kVersion = fmt.Sprintf("%v", kubeServerInfo)
-
 	}()
 
 	select {

pkg/cmd/util/clientcmd/negotiate.go

@@ -3,6 +3,9 @@ package clientcmd
 import (
 	"fmt"
 
+	"github.com/golang/glog"
+
+	"k8s.io/kubernetes/pkg/api/errors"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/client/restclient"
 	kclient "k8s.io/kubernetes/pkg/client/unversioned"
@@ -24,18 +27,22 @@ func negotiateVersion(client *kclient.Client, config *restclient.Config, request
 		}
 	}
 
-	// Get server versions
-	serverGVs, err := serverAPIVersions(client, "/oapi")
-	if err != nil {
-		return nil, err
-	}
-
 	// Determine our preferred version
 	preferredGV := copyGroupVersion(requestedGV)
 	if preferredGV == nil {
 		preferredGV = copyGroupVersion(config.GroupVersion)
 	}
 
+	// Get server versions
+	serverGVs, err := serverAPIVersions(client, "/oapi")
+	if err != nil {
+		if errors.IsNotFound(err) {
+			glog.V(4).Infof("Server path /oapi was not found, returning the requested group version %v", preferredGV)
+			return preferredGV, nil
+		}
+		return nil, err
+	}
+
 	// Find a version we can all agree on
 	matchedGV, err := matchAPIVersion(preferredGV, clientGVs, serverGVs)
 	if err != nil {