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Refactor validation options

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This commit is contained in:
Jordan Liggitt 2019-08-07 16:12:09 -04:00
parent 59079e554a
commit 2741dd5e7f
2 changed files with 49 additions and 29 deletions
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75
staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation/validation.go
View File

@ -60,18 +60,40 @@ func ValidateCustomResourceDefinition(obj *apiextensions.CustomResourceDefinitio
return ret
}
opts := validationOptions{
allowDefaults: allowDefaults(requestGV),
requireRecognizedConversionReviewVersion: true,
requireImmutableNames: false,
}
allErrs := genericvalidation.ValidateObjectMeta(&obj.ObjectMeta, false, nameValidationFn, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateCustomResourceDefinitionSpec(&obj.Spec, field.NewPath("spec"))...)
allErrs = append(allErrs, validateCustomResourceDefinitionSpec(&obj.Spec, opts, field.NewPath("spec"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionStatus(&obj.Status, field.NewPath("status"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionStoredVersions(obj.Status.StoredVersions, obj.Spec.Versions, field.NewPath("status").Child("storedVersions"))...)
allErrs = append(allErrs, validateAPIApproval(obj, nil, requestGV)...)
return allErrs
}
// validationOptions groups several validation options, to avoid passing multiple bool parameters to methods
type validationOptions struct {
// allowDefaults permits the validation schema to contain default attributes
allowDefaults bool
// requireRecognizedConversionReviewVersion requires accepted webhook conversion versions to contain a recognized version
requireRecognizedConversionReviewVersion bool
// requireImmutableNames disables changing spec.names
requireImmutableNames bool
}
// ValidateCustomResourceDefinitionUpdate statically validates
func ValidateCustomResourceDefinitionUpdate(obj, oldObj *apiextensions.CustomResourceDefinition, requestGV schema.GroupVersion) field.ErrorList {
opts := validationOptions{
allowDefaults: allowDefaults(requestGV) || specHasDefaults(&oldObj.Spec),
requireRecognizedConversionReviewVersion: oldObj.Spec.Conversion == nil || hasValidConversionReviewVersionOrEmpty(oldObj.Spec.Conversion.ConversionReviewVersions),
requireImmutableNames: apiextensions.IsCRDConditionTrue(oldObj, apiextensions.Established),
}
allErrs := genericvalidation.ValidateObjectMetaUpdate(&obj.ObjectMeta, &oldObj.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateCustomResourceDefinitionSpecUpdate(&obj.Spec, &oldObj.Spec, apiextensions.IsCRDConditionTrue(oldObj, apiextensions.Established), field.NewPath("spec"))...)
allErrs = append(allErrs, validateCustomResourceDefinitionSpecUpdate(&obj.Spec, &oldObj.Spec, opts, field.NewPath("spec"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionStatus(&obj.Status, field.NewPath("status"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionStoredVersions(obj.Status.StoredVersions, obj.Spec.Versions, field.NewPath("status").Child("storedVersions"))...)
allErrs = append(allErrs, validateAPIApproval(obj, oldObj, requestGV)...)
@ -112,10 +134,10 @@ func ValidateUpdateCustomResourceDefinitionStatus(obj, oldObj *apiextensions.Cus
return allErrs
}
// ValidateCustomResourceDefinitionVersion statically validates.
func ValidateCustomResourceDefinitionVersion(version *apiextensions.CustomResourceDefinitionVersion, fldPath *field.Path, mustBeStructural, statusEnabled, allowDefaults bool) field.ErrorList {
// validateCustomResourceDefinitionVersion statically validates.
func validateCustomResourceDefinitionVersion(version *apiextensions.CustomResourceDefinitionVersion, fldPath *field.Path, mustBeStructural, statusEnabled bool, opts validationOptions) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, ValidateCustomResourceDefinitionValidation(version.Schema, mustBeStructural, statusEnabled, allowDefaults, fldPath.Child("schema"))...)
allErrs = append(allErrs, validateCustomResourceDefinitionValidation(version.Schema, mustBeStructural, statusEnabled, opts, fldPath.Child("schema"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionSubresources(version.Subresources, fldPath.Child("subresources"))...)
for i := range version.AdditionalPrinterColumns {
allErrs = append(allErrs, ValidateCustomResourceColumnDefinition(&version.AdditionalPrinterColumns[i], fldPath.Child("additionalPrinterColumns").Index(i))...)
@ -123,13 +145,7 @@ func ValidateCustomResourceDefinitionVersion(version *apiextensions.CustomResour
return allErrs
}
// ValidateCustomResourceDefinitionSpec statically validates
func ValidateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefinitionSpec, fldPath *field.Path) field.ErrorList {
allowDefaults := utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceDefaulting)
return validateCustomResourceDefinitionSpec(spec, true, allowDefaults, fldPath)
}
func validateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefinitionSpec, requireRecognizedVersion, allowDefaults bool, fldPath *field.Path) field.ErrorList {
func validateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefinitionSpec, opts validationOptions, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if len(spec.Group) == 0 {
@ -155,7 +171,7 @@ func validateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefi
}
}
}
if allowDefaults && specHasDefaults(spec) {
if opts.allowDefaults && specHasDefaults(spec) {
mustBeStructural = true
if spec.PreserveUnknownFields == nil || *spec.PreserveUnknownFields == true {
allErrs = append(allErrs, field.Invalid(fldPath.Child("preserveUnknownFields"), true, "must be false in order to use defaults in the schema"))
@ -181,7 +197,7 @@ func validateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefi
allErrs = append(allErrs, field.Invalid(fldPath.Child("versions").Index(i).Child("name"), spec.Versions[i].Name, strings.Join(errs, ",")))
}
subresources := getSubresourcesForVersion(spec, version.Name)
allErrs = append(allErrs, ValidateCustomResourceDefinitionVersion(&version, fldPath.Child("versions").Index(i), mustBeStructural, hasStatusEnabled(subresources), allowDefaults)...)
allErrs = append(allErrs, validateCustomResourceDefinitionVersion(&version, fldPath.Child("versions").Index(i), mustBeStructural, hasStatusEnabled(subresources), opts)...)
}
// The top-level and per-version fields are mutual exclusive
@ -236,7 +252,7 @@ func validateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefi
}
allErrs = append(allErrs, ValidateCustomResourceDefinitionNames(&spec.Names, fldPath.Child("names"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionValidation(spec.Validation, mustBeStructural, hasAnyStatusEnabled(spec), allowDefaults, fldPath.Child("validation"))...)
allErrs = append(allErrs, validateCustomResourceDefinitionValidation(spec.Validation, mustBeStructural, hasAnyStatusEnabled(spec), opts, fldPath.Child("validation"))...)
allErrs = append(allErrs, ValidateCustomResourceDefinitionSubresources(spec.Subresources, fldPath.Child("subresources"))...)
for i := range spec.AdditionalPrinterColumns {
@ -248,7 +264,7 @@ func validateCustomResourceDefinitionSpec(spec *apiextensions.CustomResourceDefi
if (spec.Conversion != nil && spec.Conversion.Strategy != apiextensions.NoneConverter) && (spec.PreserveUnknownFields == nil || *spec.PreserveUnknownFields) {
allErrs = append(allErrs, field.Invalid(fldPath.Child("conversion").Child("strategy"), spec.Conversion.Strategy, "must be None if spec.preserveUnknownFields is true"))
}
allErrs = append(allErrs, validateCustomResourceConversion(spec.Conversion, requireRecognizedVersion, fldPath.Child("conversion"))...)
allErrs = append(allErrs, validateCustomResourceConversion(spec.Conversion, opts.requireRecognizedConversionReviewVersion, fldPath.Child("conversion"))...)
return allErrs
}
@ -363,16 +379,11 @@ func validateCustomResourceConversion(conversion *apiextensions.CustomResourceCo
return allErrs
}
// ValidateCustomResourceDefinitionSpecUpdate statically validates
func ValidateCustomResourceDefinitionSpecUpdate(spec, oldSpec *apiextensions.CustomResourceDefinitionSpec, established bool, fldPath *field.Path) field.ErrorList {
requireRecognizedVersion := oldSpec.Conversion == nil || hasValidConversionReviewVersionOrEmpty(oldSpec.Conversion.ConversionReviewVersions)
// validateCustomResourceDefinitionSpecUpdate statically validates
func validateCustomResourceDefinitionSpecUpdate(spec, oldSpec *apiextensions.CustomResourceDefinitionSpec, opts validationOptions, fldPath *field.Path) field.ErrorList {
allErrs := validateCustomResourceDefinitionSpec(spec, opts, fldPath)
// find out whether any schema had default before. Then we keep allowing it.
allowDefaults := utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceDefaulting) || specHasDefaults(oldSpec)
allErrs := validateCustomResourceDefinitionSpec(spec, requireRecognizedVersion, allowDefaults, fldPath)
if established {
if opts.requireImmutableNames {
// these effect the storage and cannot be changed therefore
allErrs = append(allErrs, genericvalidation.ValidateImmutableField(spec.Scope, oldSpec.Scope, fldPath.Child("scope"))...)
allErrs = append(allErrs, genericvalidation.ValidateImmutableField(spec.Names.Kind, oldSpec.Names.Kind, fldPath.Child("names", "kind"))...)
@ -577,8 +588,8 @@ type specStandardValidator interface {
withInsideResourceMeta() specStandardValidator
}
// ValidateCustomResourceDefinitionValidation statically validates
func ValidateCustomResourceDefinitionValidation(customResourceValidation *apiextensions.CustomResourceValidation, mustBeStructural, statusSubresourceEnabled, allowDefaults bool, fldPath *field.Path) field.ErrorList {
// validateCustomResourceDefinitionValidation statically validates
func validateCustomResourceDefinitionValidation(customResourceValidation *apiextensions.CustomResourceValidation, mustBeStructural, statusSubresourceEnabled bool, opts validationOptions, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if customResourceValidation == nil {
@ -619,7 +630,7 @@ func ValidateCustomResourceDefinitionValidation(customResourceValidation *apiext
}
openAPIV3Schema := &specStandardValidatorV3{
allowDefaults: allowDefaults,
allowDefaults: opts.allowDefaults,
}
allErrs = append(allErrs, ValidateCustomResourceDefinitionOpenAPISchema(schema, fldPath.Child("openAPIV3Schema"), openAPIV3Schema, true)...)
@ -933,6 +944,14 @@ func allowedAtRootSchema(field string) bool {
return false
}
// allowDefaults returns true if the defaulting feature is enabled and the request group version allows adding defaults
func allowDefaults(requestGV schema.GroupVersion) bool {
if !utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceDefaulting) {
return false
}
return true
}
func specHasDefaults(spec *apiextensions.CustomResourceDefinitionSpec) bool {
if spec.Validation != nil && schemaHasDefaults(spec.Validation.OpenAPIV3Schema) {
return true

3
staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/validation/validation_test.go
View File

@ -3585,6 +3585,7 @@ func TestValidateCustomResourceDefinitionValidation(t *testing.T) {
input apiextensions.CustomResourceValidation
mustBeStructural bool
statusEnabled bool
opts validationOptions
wantError bool
}{
{
@ -3726,7 +3727,7 @@ func TestValidateCustomResourceDefinitionValidation(t *testing.T) {
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := ValidateCustomResourceDefinitionValidation(&tt.input, tt.mustBeStructural, tt.statusEnabled, false, field.NewPath("spec", "validation"))
got := validateCustomResourceDefinitionValidation(&tt.input, tt.mustBeStructural, tt.statusEnabled, tt.opts, field.NewPath("spec", "validation"))
if !tt.wantError && len(got) > 0 {
t.Errorf("Expected no error, but got: %v", got)
} else if tt.wantError && len(got) == 0 {