Fix intstr.IntOrString to be number or string instead of object (#453)

* add intstr.IntOrStr custom handling and test

* whitespace changes from codegen

* add changelog

* more autogenerated whitespace changes

* remove more whitespaces

* reset watcher.go

changelog/v0.29.8/fix-intstr-handling.yaml

@@ -0,0 +1,5 @@
+changelog:
+  - type: FIX
+    issueLink: https://github.com/solo-io/gloo-mesh-enterprise/issues/9194
+    description: intstr.IntOrString fields now output the correct schema instead of an object
+    skipCI: false

codegen/render/funcs.go

@@ -17,6 +17,7 @@ import (
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/intstr"
 	"k8s.io/utils/strings/slices"
 
 	"github.com/BurntSushi/toml"
@@ -709,6 +710,15 @@ func createCustomTypeMapper(values values.UserHelmValues) customTypeMapper {
 			}
 		},
 
+		reflect.TypeOf(intstr.IntOrString{}): func(t reflect.Type, defaultSchema *jsonschema.Schema) *jsonschema.Schema {
+			return &jsonschema.Schema{
+				AnyOf: []*jsonschema.Schema{
+					{Type: "string"},
+					{Type: "number"},
+				},
+			}
+		},
+
 		reflect.TypeOf(v1.SecurityContext{}): func(t reflect.Type, defaultSchema *jsonschema.Schema) *jsonschema.Schema {
 			return &jsonschema.Schema{
 				AnyOf: []*jsonschema.Schema{

codegen/render/funcs_test.go

@@ -13,6 +13,7 @@ import (
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/intstr"
 
 	"github.com/solo-io/skv2/codegen/model/values"
 	"github.com/solo-io/skv2/codegen/render"
@@ -648,6 +649,30 @@ var _ = Describe("toJSONSchema", func() {
 		Expect(result).To(Equal(expected))
 	})
 
+	It("maps intstr.IntOrString as either a string or number", func() {
+		type Type1 struct {
+			Field1 intstr.IntOrString
+		}
+		result := render.ToJSONSchema(values.UserHelmValues{CustomValues: &Type1{}})
+		expected := prepareExpected(`
+			{
+				"$schema": "https://json-schema.org/draft/2020-12/schema",
+				"properties": {
+					"Field1": {
+						"anyOf": [
+							{
+								"type": "string"
+							},
+							{
+								"type": "number"
+							}
+						]
+					}
+				}
+			}`)
+		Expect(result).To(Equal(expected))
+	})
+
 	It("maps security context as something that can be mapped to a boolean", func() {
 		type Type1 struct {
 			Field1 *v1.SecurityContext