restructure and make lint

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

server/version.go

@@ -0,0 +1,30 @@
+package server
+
+import (
+	pb "github.com/kubernetes/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+	"golang.org/x/net/context"
+)
+
+// Version returns the runtime name, runtime version and runtime API version
+func (s *Server) Version(ctx context.Context, req *pb.VersionRequest) (*pb.VersionResponse, error) {
+	version, err := getGPRCVersion()
+	if err != nil {
+		return nil, err
+	}
+
+	runtimeVersion, err := s.runtime.Version()
+	if err != nil {
+		return nil, err
+	}
+
+	// taking const address
+	rav := runtimeAPIVersion
+	runtimeName := s.runtime.Name()
+
+	return &pb.VersionResponse{
+		Version:           &version,
+		RuntimeName:       &runtimeName,
+		RuntimeVersion:    &runtimeVersion,
+		RuntimeApiVersion: &rav,
+	}, nil
+}