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Add validation options for PersistentVolumeClaims

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These options provide an extensible way of configuring how PVCs are
validated
This commit is contained in:
Chris Henzie
2021-06-08 13:30:55 -07:00
parent 9ba0eed7c5
commit dba8ee229e
3 changed files with 60 additions and 19 deletions
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29
pkg/apis/core/validation/validation.go
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@@ -1608,16 +1608,17 @@ func validateEphemeralVolumeSource(ephemeral *core.EphemeralVolumeSource, fldPat
if ephemeral.VolumeClaimTemplate == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("volumeClaimTemplate"), ""))
} else {
allErrs = append(allErrs, ValidatePersistentVolumeClaimTemplate(ephemeral.VolumeClaimTemplate, fldPath.Child("volumeClaimTemplate"))...)
opts := ValidationOptionsForPersistentVolumeClaimTemplate(ephemeral.VolumeClaimTemplate, nil)
allErrs = append(allErrs, ValidatePersistentVolumeClaimTemplate(ephemeral.VolumeClaimTemplate, fldPath.Child("volumeClaimTemplate"), opts)...)
}
return allErrs
}
// ValidatePersistentVolumeClaimTemplate verifies that the embedded object meta and spec are valid.
// Checking of the object data is very minimal because only labels and annotations are used.
func ValidatePersistentVolumeClaimTemplate(claimTemplate *core.PersistentVolumeClaimTemplate, fldPath *field.Path) field.ErrorList {
func ValidatePersistentVolumeClaimTemplate(claimTemplate *core.PersistentVolumeClaimTemplate, fldPath *field.Path, opts PersistentVolumeClaimSpecValidationOptions) field.ErrorList {
allErrs := validatePersistentVolumeClaimTemplateObjectMeta(&claimTemplate.ObjectMeta, fldPath.Child("metadata"))
allErrs = append(allErrs, ValidatePersistentVolumeClaimSpec(&claimTemplate.Spec, fldPath.Child("spec"))...)
allErrs = append(allErrs, ValidatePersistentVolumeClaimSpec(&claimTemplate.Spec, fldPath.Child("spec"), opts)...)
return allErrs
}
@@ -1973,15 +1974,27 @@ func ValidatePersistentVolumeStatusUpdate(newPv, oldPv *core.PersistentVolume) f
return allErrs
}
// PersistentVolumeClaimSpecValidationOptions contains the different settings for PersistentVolumeClaim validation
type PersistentVolumeClaimSpecValidationOptions struct {
}
func ValidationOptionsForPersistentVolumeClaim(pvc, oldPvc *core.PersistentVolumeClaim) PersistentVolumeClaimSpecValidationOptions {
return PersistentVolumeClaimSpecValidationOptions{}
}
func ValidationOptionsForPersistentVolumeClaimTemplate(claimTemplate, oldClaimTemplate *core.PersistentVolumeClaimTemplate) PersistentVolumeClaimSpecValidationOptions {
return PersistentVolumeClaimSpecValidationOptions{}
}
// ValidatePersistentVolumeClaim validates a PersistentVolumeClaim
func ValidatePersistentVolumeClaim(pvc *core.PersistentVolumeClaim) field.ErrorList {
func ValidatePersistentVolumeClaim(pvc *core.PersistentVolumeClaim, opts PersistentVolumeClaimSpecValidationOptions) field.ErrorList {
allErrs := ValidateObjectMeta(&pvc.ObjectMeta, true, ValidatePersistentVolumeName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidatePersistentVolumeClaimSpec(&pvc.Spec, field.NewPath("spec"))...)
allErrs = append(allErrs, ValidatePersistentVolumeClaimSpec(&pvc.Spec, field.NewPath("spec"), opts)...)
return allErrs
}
// ValidatePersistentVolumeClaimSpec validates a PersistentVolumeClaimSpec
func ValidatePersistentVolumeClaimSpec(spec *core.PersistentVolumeClaimSpec, fldPath *field.Path) field.ErrorList {
func ValidatePersistentVolumeClaimSpec(spec *core.PersistentVolumeClaimSpec, fldPath *field.Path, opts PersistentVolumeClaimSpecValidationOptions) field.ErrorList {
allErrs := field.ErrorList{}
if len(spec.AccessModes) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("accessModes"), "at least 1 access mode is required"))
@@ -2032,9 +2045,9 @@ func ValidatePersistentVolumeClaimSpec(spec *core.PersistentVolumeClaimSpec, fld
}
// ValidatePersistentVolumeClaimUpdate validates an update to a PersistentVolumeClaim
func ValidatePersistentVolumeClaimUpdate(newPvc, oldPvc *core.PersistentVolumeClaim) field.ErrorList {
func ValidatePersistentVolumeClaimUpdate(newPvc, oldPvc *core.PersistentVolumeClaim, opts PersistentVolumeClaimSpecValidationOptions) field.ErrorList {
allErrs := ValidateObjectMetaUpdate(&newPvc.ObjectMeta, &oldPvc.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidatePersistentVolumeClaim(newPvc)...)
allErrs = append(allErrs, ValidatePersistentVolumeClaim(newPvc, opts)...)
newPvcClone := newPvc.DeepCopy()
oldPvcClone := oldPvc.DeepCopy()