move minimal version check to spces-go/ValidateVersion

Signed-off-by: Ed Bartosh <[email protected]>
Co-authored-by: Evan Lezar <[email protected]>

pkg/cdi/spec.go

@@ -209,18 +209,9 @@ func MinimumRequiredVersion(spec *cdi.Spec) (string, error) {
 
 // Validate the Spec.
 func (s *Spec) validate() (map[string]*Device, error) {
-	if err := cdi.ValidateVersion(s.Version); err != nil {
+	if err := cdi.ValidateVersion(s.Spec); err != nil {
 		return nil, err
 	}
-
-	minVersion, err := cdi.MinimumRequiredVersion(s.Spec)
-	if err != nil {
-		return nil, fmt.Errorf("could not determine minimum required version: %v", err)
-	}
-	if cdi.NewVersion(minVersion).IsGreaterThan(cdi.NewVersion(s.Version)) {
-		return nil, fmt.Errorf("the spec version must be at least v%v", minVersion)
-	}
-
 	if err := ValidateVendorName(s.vendor); err != nil {
 		return nil, err
 	}

pkg/cdi/spec_test.go

@@ -525,7 +525,7 @@ func specType(content []byte) string {
 }
 
 func TestCurrentVersionIsValid(t *testing.T) {
-	require.NoError(t, cdi.ValidateVersion(cdi.CurrentVersion))
+	require.NoError(t, cdi.ValidateVersion(&cdi.Spec{Version: cdi.CurrentVersion}))
 }
 
 func TestRequiredVersion(t *testing.T) {

specs-go/version.go

@@ -58,10 +58,20 @@ var validSpecVersions = requiredVersionMap{
 	v080: requiresV080,
 }
 
-// ValidateVersion checks whether the specified spec version is supported.
-func ValidateVersion(version string) error {
-	if !validSpecVersions.isValidVersion(version) {
-		return fmt.Errorf("invalid version %q", version)
+// ValidateVersion checks whether the specified spec version is valid.
+// In addition to checking whether the spec version is in the set of known versions,
+// the spec is inspected to determine whether the features used are available in specified
+// version.
+func ValidateVersion(spec *Spec) error {
+	if !validSpecVersions.isValidVersion(spec.Version) {
+		return fmt.Errorf("invalid version %q", spec.Version)
+	}
+	minVersion, err := MinimumRequiredVersion(spec)
+	if err != nil {
+		return fmt.Errorf("could not determine minimum required version: %w", err)
+	}
+	if newVersion(minVersion).IsGreaterThan(newVersion(spec.Version)) {
+		return fmt.Errorf("the spec version must be at least v%v", minVersion)
 	}
 	return nil
 }