Implements ControllerRevision API Object without codec and code

generation

pkg/apis/apps/validation/validation.go

@@ -141,3 +141,34 @@ func ValidateStatefulSetStatusUpdate(statefulSet, oldStatefulSet *apps.StatefulS
 	// TODO: Validate status.
 	return allErrs
 }
+
+// ValidateControllerRevisionName can be used to check whether the given ControllerRevision name is valid.
+// Prefix indicates this name will be used as part of generation, in which case
+// trailing dashes are allowed.
+var ValidateControllerRevisionName = apivalidation.NameIsDNSSubdomain
+
+// ValidateControllerRevision collects errors for the fields of state and returns those errors as an ErrorList. If the
+// returned list is empty, state is valid. Validation is performed to ensure that state is a valid ObjectMeta, its name
+// is valid, and that it doesn't exceed the MaxControllerRevisionSize.
+func ValidateControllerRevision(revision *apps.ControllerRevision) field.ErrorList {
+	errs := field.ErrorList{}
+
+	errs = append(errs, apivalidation.ValidateObjectMeta(&revision.ObjectMeta, true, ValidateControllerRevisionName, field.NewPath("metadata"))...)
+	if revision.Data == nil {
+		errs = append(errs, field.Required(field.NewPath("data"), "data is mandatory"))
+	}
+	errs = append(errs, apivalidation.ValidateNonnegativeField(revision.Revision, field.NewPath("revision"))...)
+	return errs
+}
+
+// ValidateControllerRevisionUpdate collects errors pertaining to the mutation of an ControllerRevision Object. If the
+// returned ErrorList is empty the update operation is valid. Any mutation to the ControllerRevision's Data or Revision
+// is considered to be invalid.
+func ValidateControllerRevisionUpdate(newHistory, oldHistory *apps.ControllerRevision) field.ErrorList {
+	errs := field.ErrorList{}
+
+	errs = append(errs, apivalidation.ValidateObjectMetaUpdate(&newHistory.ObjectMeta, &oldHistory.ObjectMeta, field.NewPath("metadata"))...)
+	errs = append(errs, ValidateControllerRevision(newHistory)...)
+	errs = append(errs, apivalidation.ValidateImmutableField(newHistory.Data, oldHistory.Data, field.NewPath("data"))...)
+	return errs
+}