Schema 1.1 Validation (suse-edge#540)

* 1.1 validation

* add comment

pkg/image/validation/validation.go

@@ -15,6 +15,7 @@ func ValidateDefinition(ctx *image.Context) map[string][]FailedValidation {
 	failures := map[string][]FailedValidation{}
 
 	validations := map[string]validateComponent{
+		versionComponent:  validateVersion,
 		imageComponent:    validateImage,
 		osComponent:       validateOperatingSystem,
 		registryComponent: validateEmbeddedArtifactRegistry,

pkg/image/validation/version.go

@@ -0,0 +1,31 @@
+package validation
+
+import (
+	"github.com/suse-edge/edge-image-builder/pkg/image"
+)
+
+const (
+	versionComponent = "Version"
+)
+
+// Note: This method of validating the EIB version in the image definition is only a temporary implementation
+// until a more robust solution can be found.
+func validateVersion(ctx *image.Context) []FailedValidation {
+	var failures []FailedValidation
+	definition := *ctx.ImageDefinition
+
+	var apiVersionsDefined bool
+	for i := range definition.Kubernetes.Helm.Charts {
+		if len(definition.Kubernetes.Helm.Charts[i].APIVersions) != 0 {
+			apiVersionsDefined = true
+		}
+	}
+
+	if definition.APIVersion == "1.0" && apiVersionsDefined {
+		failures = append(failures, FailedValidation{
+			UserMessage: "Helm chart APIVersions field is not supported in EIB version 1.0, must use EIB version 1.1",
+		})
+	}
+
+	return failures
+}

pkg/image/validation/version_test.go

@@ -0,0 +1,59 @@
+package validation
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/suse-edge/edge-image-builder/pkg/image"
+)
+
+func TestValidateVersion(t *testing.T) {
+	tests := map[string]struct {
+		ImageDefinition        image.Definition
+		ExpectedFailedMessages []string
+	}{
+		`valid version with Helm APIVersions`: {
+			ImageDefinition: image.Definition{
+				APIVersion: "1.1",
+				Kubernetes: image.Kubernetes{Helm: image.Helm{Charts: []image.HelmChart{
+					{
+						APIVersions: []string{"1.30.3+k3s1"},
+					},
+				}}},
+			},
+		},
+		`invalid version with Helm APIVersions`: {
+			ImageDefinition: image.Definition{
+				APIVersion: "1.0",
+				Kubernetes: image.Kubernetes{Helm: image.Helm{Charts: []image.HelmChart{
+					{
+						APIVersions: []string{"1.30.3+k3s1"},
+					},
+				}}},
+			},
+			ExpectedFailedMessages: []string{
+				"Helm chart APIVersions field is not supported in EIB version 1.0, must use EIB version 1.1",
+			},
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			imageDef := test.ImageDefinition
+			ctx := image.Context{
+				ImageDefinition: &imageDef,
+			}
+			failedValidations := validateVersion(&ctx)
+			assert.Len(t, failedValidations, len(test.ExpectedFailedMessages))
+
+			var foundMessages []string
+			for _, foundValidation := range failedValidations {
+				foundMessages = append(foundMessages, foundValidation.UserMessage)
+			}
+
+			for _, expectedMessage := range test.ExpectedFailedMessages {
+				assert.Contains(t, foundMessages, expectedMessage)
+			}
+		})
+	}
+}