fix

Signed-off-by: Rishi Jat <rishijat098@gmail.com>

Author: rishi-jat

pkg/unikontainers/unikontainers.go

@@ -51,7 +51,6 @@ var uniklog = logrus.WithField("subsystem", "unikontainers")
 var ErrQueueProxy = errors.New("this a queue proxy container")
 var ErrNotUnikernel = errors.New("this is not a unikernel container")
 var ErrNotExistingNS = errors.New("the namespace does not exist")
-var ErrMissingLinuxSpec = errors.New("invalid OCI spec: linux section is required")
 
 // Unikontainer holds the data necessary to create, manage and delete unikernel containers
 type Unikontainer struct {
@@ -72,7 +71,7 @@ func New(bundlePath string, containerID string, rootDir string, cfg *UruncConfig
 	}
 
 	if spec == nil || spec.Linux == nil {
-		return nil, ErrMissingLinuxSpec
+		return nil, fmt.Errorf("invalid OCI spec: linux section is required")
 	}
 
 	containerName := spec.Annotations["io.kubernetes.cri.container-name"]
@@ -131,7 +130,7 @@ func Get(containerID string, rootDir string) (*Unikontainer, error) {
 		return nil, err
 	}
 	if spec == nil || spec.Linux == nil {
-		return nil, ErrMissingLinuxSpec
+		return nil, fmt.Errorf("invalid OCI spec: linux section is required")
 	}
 	u.BaseDir = containerDir
 	u.RootDir = rootDir