Bump k8s.io/api from 0.17.4 to 0.18.2

Bumps [k8s.io/api](https://github.com/kubernetes/api) from 0.17.4 to 0.18.2.
- [Release notes](https://github.com/kubernetes/api/releases)
- [Commits](https://github.com/kubernetes/api/compare/v0.17.4...v0.18.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

6 files changed, 68 insertions, 208 deletions

diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go b/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go
index 0947dce73..d04d701f3 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go
@@ -53,14 +53,6 @@ func JSONKeyMapper(key string, sourceTag, destTag reflect.StructTag) (string, st
 	return key, key
 }
 
-// DefaultStringConversions are helpers for converting []string and string to real values.
-var DefaultStringConversions = []interface{}{
-	Convert_Slice_string_To_string,
-	Convert_Slice_string_To_int,
-	Convert_Slice_string_To_bool,
-	Convert_Slice_string_To_int64,
-}
-
 func Convert_Slice_string_To_string(in *[]string, out *string, s conversion.Scope) error {
 	if len(*in) == 0 {
 		*out = ""
@@ -178,3 +170,27 @@ func Convert_Slice_string_To_Pointer_int64(in *[]string, out **int64, s conversi
 	*out = &i
 	return nil
 }
+
+func RegisterStringConversions(s *Scheme) error {
+	if err := s.AddConversionFunc((*[]string)(nil), (*string)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_Slice_string_To_string(a.(*[]string), b.(*string), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*[]string)(nil), (*int)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_Slice_string_To_int(a.(*[]string), b.(*int), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*[]string)(nil), (*bool)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_Slice_string_To_bool(a.(*[]string), b.(*bool), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*[]string)(nil), (*int64)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_Slice_string_To_int64(a.(*[]string), b.(*int64), scope)
+	}); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/converter.go b/vendor/k8s.io/apimachinery/pkg/runtime/converter.go
index b3e8a53b3..918d0831d 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/converter.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/converter.go
@@ -17,7 +17,6 @@ limitations under the License.
 package runtime
 
 import (
-	"bytes"
 	encodingjson "encoding/json"
 	"fmt"
 	"math"
@@ -32,6 +31,7 @@ import (
 	"k8s.io/apimachinery/pkg/conversion"
 	"k8s.io/apimachinery/pkg/util/json"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	"sigs.k8s.io/structured-merge-diff/v3/value"
 
 	"k8s.io/klog"
 )
@@ -68,13 +68,8 @@ func newFieldsCache() *fieldsCache {
 }
 
 var (
-	marshalerType          = reflect.TypeOf(new(encodingjson.Marshaler)).Elem()
-	unmarshalerType        = reflect.TypeOf(new(encodingjson.Unmarshaler)).Elem()
 	mapStringInterfaceType = reflect.TypeOf(map[string]interface{}{})
 	stringType             = reflect.TypeOf(string(""))
-	int64Type              = reflect.TypeOf(int64(0))
-	float64Type            = reflect.TypeOf(float64(0))
-	boolType               = reflect.TypeOf(bool(false))
 	fieldCache             = newFieldsCache()
 
 	// DefaultUnstructuredConverter performs unstructured to Go typed object conversions.
@@ -208,13 +203,9 @@ func fromUnstructured(sv, dv reflect.Value) error {
 	}
 
 	// Check if the object has a custom JSON marshaller/unmarshaller.
-	if reflect.PtrTo(dt).Implements(unmarshalerType) {
-		data, err := json.Marshal(sv.Interface())
-		if err != nil {
-			return fmt.Errorf("error encoding %s to json: %v", st.String(), err)
-		}
-		unmarshaler := dv.Addr().Interface().(encodingjson.Unmarshaler)
-		return unmarshaler.UnmarshalJSON(data)
+	entry := value.TypeReflectEntryOf(dv.Type())
+	if entry.CanConvertFromUnstructured() {
+		return entry.FromUnstructured(sv, dv)
 	}
 
 	switch dt.Kind() {
@@ -256,6 +247,7 @@ func fieldInfoFromField(structType reflect.Type, field int) *fieldInfo {
 		for i := range items {
 			if items[i] == "omitempty" {
 				info.omitempty = true
+				break
 			}
 		}
 	}
@@ -483,112 +475,28 @@ func toUnstructuredViaJSON(obj interface{}, u *map[string]interface{}) error {
 	return json.Unmarshal(data, u)
 }
 
-var (
-	nullBytes  = []byte("null")
-	trueBytes  = []byte("true")
-	falseBytes = []byte("false")
-)
-
-func getMarshaler(v reflect.Value) (encodingjson.Marshaler, bool) {
-	// Check value receivers if v is not a pointer and pointer receivers if v is a pointer
-	if v.Type().Implements(marshalerType) {
-		return v.Interface().(encodingjson.Marshaler), true
-	}
-	// Check pointer receivers if v is not a pointer
-	if v.Kind() != reflect.Ptr && v.CanAddr() {
-		v = v.Addr()
-		if v.Type().Implements(marshalerType) {
-			return v.Interface().(encodingjson.Marshaler), true
-		}
-	}
-	return nil, false
-}
-
 func toUnstructured(sv, dv reflect.Value) error {
-	// Check if the object has a custom JSON marshaller/unmarshaller.
-	if marshaler, ok := getMarshaler(sv); ok {
-		if sv.Kind() == reflect.Ptr && sv.IsNil() {
-			// We're done - we don't need to store anything.
-			return nil
-		}
-
-		data, err := marshaler.MarshalJSON()
+	// Check if the object has a custom string converter.
+	entry := value.TypeReflectEntryOf(sv.Type())
+	if entry.CanConvertToUnstructured() {
+		v, err := entry.ToUnstructured(sv)
 		if err != nil {
 			return err
 		}
-		switch {
-		case len(data) == 0:
-			return fmt.Errorf("error decoding from json: empty value")
-
-		case bytes.Equal(data, nullBytes):
-			// We're done - we don't need to store anything.
-
-		case bytes.Equal(data, trueBytes):
-			dv.Set(reflect.ValueOf(true))
-
-		case bytes.Equal(data, falseBytes):
-			dv.Set(reflect.ValueOf(false))
-
-		case data[0] == '"':
-			var result string
-			err := json.Unmarshal(data, &result)
-			if err != nil {
-				return fmt.Errorf("error decoding string from json: %v", err)
-			}
-			dv.Set(reflect.ValueOf(result))
-
-		case data[0] == '{':
-			result := make(map[string]interface{})
-			err := json.Unmarshal(data, &result)
-			if err != nil {
-				return fmt.Errorf("error decoding object from json: %v", err)
-			}
-			dv.Set(reflect.ValueOf(result))
-
-		case data[0] == '[':
-			result := make([]interface{}, 0)
-			err := json.Unmarshal(data, &result)
-			if err != nil {
-				return fmt.Errorf("error decoding array from json: %v", err)
-			}
-			dv.Set(reflect.ValueOf(result))
-
-		default:
-			var (
-				resultInt   int64
-				resultFloat float64
-				err         error
-			)
-			if err = json.Unmarshal(data, &resultInt); err == nil {
-				dv.Set(reflect.ValueOf(resultInt))
-			} else if err = json.Unmarshal(data, &resultFloat); err == nil {
-				dv.Set(reflect.ValueOf(resultFloat))
-			} else {
-				return fmt.Errorf("error decoding number from json: %v", err)
-			}
+		if v != nil {
+			dv.Set(reflect.ValueOf(v))
 		}
-
 		return nil
 	}
-
-	st, dt := sv.Type(), dv.Type()
+	st := sv.Type()
 	switch st.Kind() {
 	case reflect.String:
-		if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 {
-			dv.Set(reflect.New(stringType))
-		}
 		dv.Set(reflect.ValueOf(sv.String()))
 		return nil
 	case reflect.Bool:
-		if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 {
-			dv.Set(reflect.New(boolType))
-		}
 		dv.Set(reflect.ValueOf(sv.Bool()))
 		return nil
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 {
-			dv.Set(reflect.New(int64Type))
-		}
 		dv.Set(reflect.ValueOf(sv.Int()))
 		return nil
 	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
@@ -596,15 +504,9 @@ func toUnstructured(sv, dv reflect.Value) error {
 		if uVal > math.MaxInt64 {
 			return fmt.Errorf("unsigned value %d does not fit into int64 (overflow)", uVal)
 		}
-		if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 {
-			dv.Set(reflect.New(int64Type))
-		}
 		dv.Set(reflect.ValueOf(int64(uVal)))
 		return nil
 	case reflect.Float32, reflect.Float64:
-		if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 {
-			dv.Set(reflect.New(float64Type))
-		}
 		dv.Set(reflect.ValueOf(sv.Float()))
 		return nil
 	case reflect.Map:
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/embedded.go b/vendor/k8s.io/apimachinery/pkg/runtime/embedded.go
index db11eb8bc..7251e65f6 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/embedded.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/embedded.go
@@ -134,9 +134,16 @@ func Convert_runtime_RawExtension_To_runtime_Object(in *RawExtension, out *Objec
 	return nil
 }
 
-func DefaultEmbeddedConversions() []interface{} {
-	return []interface{}{
-		Convert_runtime_Object_To_runtime_RawExtension,
-		Convert_runtime_RawExtension_To_runtime_Object,
+func RegisterEmbeddedConversions(s *Scheme) error {
+	if err := s.AddConversionFunc((*Object)(nil), (*RawExtension)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_runtime_Object_To_runtime_RawExtension(a.(*Object), b.(*RawExtension), scope)
+	}); err != nil {
+		return err
 	}
+	if err := s.AddConversionFunc((*RawExtension)(nil), (*Object)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_runtime_RawExtension_To_runtime_Object(a.(*RawExtension), b.(*Object), scope)
+	}); err != nil {
+		return err
+	}
+	return nil
 }
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/generated.pb.go b/vendor/k8s.io/apimachinery/pkg/runtime/generated.pb.go
index af2f076b8..071971817 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/generated.pb.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/generated.pb.go
@@ -40,7 +40,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
 func (m *RawExtension) Reset()      { *m = RawExtension{} }
 func (*RawExtension) ProtoMessage() {}
@@ -772,6 +772,7 @@ func (m *Unknown) Unmarshal(dAtA []byte) error {
 func skipGenerated(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
+	depth := 0
 	for iNdEx < l {
 		var wire uint64
 		for shift := uint(0); ; shift += 7 {
@@ -803,10 +804,8 @@ func skipGenerated(dAtA []byte) (n int, err error) {
 					break
 				}
 			}
-			return iNdEx, nil
 		case 1:
 			iNdEx += 8
-			return iNdEx, nil
 		case 2:
 			var length int
 			for shift := uint(0); ; shift += 7 {
@@ -827,55 +826,30 @@ func skipGenerated(dAtA []byte) (n int, err error) {
 				return 0, ErrInvalidLengthGenerated
 			}
 			iNdEx += length
-			if iNdEx < 0 {
-				return 0, ErrInvalidLengthGenerated
-			}
-			return iNdEx, nil
 		case 3:
-			for {
-				var innerWire uint64
-				var start int = iNdEx
-				for shift := uint(0); ; shift += 7 {
-					if shift >= 64 {
-						return 0, ErrIntOverflowGenerated
-					}
-					if iNdEx >= l {
-						return 0, io.ErrUnexpectedEOF
-					}
-					b := dAtA[iNdEx]
-					iNdEx++
-					innerWire |= (uint64(b) & 0x7F) << shift
-					if b < 0x80 {
-						break
-					}
-				}
-				innerWireType := int(innerWire & 0x7)
-				if innerWireType == 4 {
-					break
-				}
-				next, err := skipGenerated(dAtA[start:])
-				if err != nil {
-					return 0, err
-				}
-				iNdEx = start + next
-				if iNdEx < 0 {
-					return 0, ErrInvalidLengthGenerated
-				}
-			}
-			return iNdEx, nil
+			depth++
 		case 4:
-			return iNdEx, nil
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupGenerated
+			}
+			depth--
 		case 5:
 			iNdEx += 4
-			return iNdEx, nil
 		default:
 			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
 		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthGenerated
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
 	}
-	panic("unreachable")
+	return 0, io.ErrUnexpectedEOF
 }
 
 var (
-	ErrInvalidLengthGenerated = fmt.Errorf("proto: negative length found during unmarshaling")
-	ErrIntOverflowGenerated   = fmt.Errorf("proto: integer overflow")
+	ErrInvalidLengthGenerated        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowGenerated          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupGenerated = fmt.Errorf("proto: unexpected end of group")
 )
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/schema/generated.pb.go b/vendor/k8s.io/apimachinery/pkg/runtime/schema/generated.pb.go
index a7276649f..29d3ac45b 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/schema/generated.pb.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/schema/generated.pb.go
@@ -36,7 +36,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
 func init() {
 	proto.RegisterFile("k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/schema/generated.proto", fileDescriptor_0462724132518e0d)
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/scheme.go b/vendor/k8s.io/apimachinery/pkg/runtime/scheme.go
index fd37e293a..4b739ec38 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/scheme.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/scheme.go
@@ -102,10 +102,10 @@ func NewScheme() *Scheme {
 	}
 	s.converter = conversion.NewConverter(s.nameFunc)
 
-	utilruntime.Must(s.AddConversionFuncs(DefaultEmbeddedConversions()...))
+	// Enable couple default conversions by default.
+	utilruntime.Must(RegisterEmbeddedConversions(s))
+	utilruntime.Must(RegisterStringConversions(s))
 
-	// Enable map[string][]string conversions by default
-	utilruntime.Must(s.AddConversionFuncs(DefaultStringConversions...))
 	utilruntime.Must(s.RegisterInputDefaults(&map[string][]string{}, JSONKeyMapper, conversion.AllowDifferentFieldTypeNames|conversion.IgnoreMissingFields))
 	utilruntime.Must(s.RegisterInputDefaults(&url.Values{}, JSONKeyMapper, conversion.AllowDifferentFieldTypeNames|conversion.IgnoreMissingFields))
 	return s
@@ -308,45 +308,6 @@ func (s *Scheme) AddIgnoredConversionType(from, to interface{}) error {
 	return s.converter.RegisterIgnoredConversion(from, to)
 }
 
-// AddConversionFuncs adds functions to the list of conversion functions. The given
-// functions should know how to convert between two of your API objects, or their
-// sub-objects. We deduce how to call these functions from the types of their two
-// parameters; see the comment for Converter.Register.
-//
-// Note that, if you need to copy sub-objects that didn't change, you can use the
-// conversion.Scope object that will be passed to your conversion function.
-// Additionally, all conversions started by Scheme will set the SrcVersion and
-// DestVersion fields on the Meta object. Example:
-//
-// s.AddConversionFuncs(
-//	func(in *InternalObject, out *ExternalObject, scope conversion.Scope) error {
-//		// You can depend on Meta() being non-nil, and this being set to
-//		// the source version, e.g., ""
-//		s.Meta().SrcVersion
-//		// You can depend on this being set to the destination version,
-//		// e.g., "v1".
-//		s.Meta().DestVersion
-//		// Call scope.Convert to copy sub-fields.
-//		s.Convert(&in.SubFieldThatMoved, &out.NewLocation.NewName, 0)
-//		return nil
-//	},
-// )
-//
-// (For more detail about conversion functions, see Converter.Register's comment.)
-//
-// Also note that the default behavior, if you don't add a conversion function, is to
-// sanely copy fields that have the same names and same type names. It's OK if the
-// destination type has extra fields, but it must not remove any. So you only need to
-// add conversion functions for things with changed/removed fields.
-func (s *Scheme) AddConversionFuncs(conversionFuncs ...interface{}) error {
-	for _, f := range conversionFuncs {
-		if err := s.converter.RegisterConversionFunc(f); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 // AddConversionFunc registers a function that converts between a and b by passing objects of those
 // types to the provided function. The function *must* accept objects of a and b - this machinery will not enforce
 // any other guarantee.