refact(deps): bump k8s and client-go deps to version v0.20.2 (#294)

Signed-off-by: prateekpandey14 <prateek.pandey@mayadata.io>

vendor/k8s.io/apimachinery/pkg/api/errors/OWNERS

@@ -17,10 +17,7 @@ reviewers:
 - saad-ali
 - janetkuo
 - tallclair
-- eparis
 - dims
 - hongchaodeng
 - krousey
 - cjcullen
-- david-mcmahon
-- goltermann

vendor/k8s.io/apimachinery/pkg/api/errors/errors.go

@@ -18,6 +18,7 @@ package errors
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 	"reflect"
@@ -29,12 +30,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 )
 
-const (
-	// StatusTooManyRequests means the server experienced too many requests within a
-	// given window and that the client must wait to perform the action again.
-	StatusTooManyRequests = 429
-)
-
 // StatusError is an error intended for consumption by a REST API server; it can also be
 // reconstructed by clients from a REST response. Public to allow easy type switches.
 type StatusError struct {
@@ -68,6 +63,28 @@ func (e *StatusError) DebugError() (string, []interface{}) {
 	return "server response object: %#v", []interface{}{e.ErrStatus}
 }
 
+// HasStatusCause returns true if the provided error has a details cause
+// with the provided type name.
+func HasStatusCause(err error, name metav1.CauseType) bool {
+	_, ok := StatusCause(err, name)
+	return ok
+}
+
+// StatusCause returns the named cause from the provided error if it exists and
+// the error is of the type APIStatus. Otherwise it returns false.
+func StatusCause(err error, name metav1.CauseType) (metav1.StatusCause, bool) {
+	apierr, ok := err.(APIStatus)
+	if !ok || apierr == nil || apierr.Status().Details == nil {
+		return metav1.StatusCause{}, false
+	}
+	for _, cause := range apierr.Status().Details.Causes {
+		if cause.Type == name {
+			return cause, true
+		}
+	}
+	return metav1.StatusCause{}, false
+}
+
 // UnexpectedObjectError can be returned by FromObject if it's passed a non-status object.
 type UnexpectedObjectError struct {
 	Object runtime.Object
@@ -199,6 +216,7 @@ func NewApplyConflict(causes []metav1.StatusCause, message string) *StatusError
 }
 
 // NewGone returns an error indicating the item no longer available at the server and no forwarding address is known.
+// DEPRECATED: Please use NewResourceExpired instead.
 func NewGone(message string) *StatusError {
 	return &StatusError{metav1.Status{
 		Status:  metav1.StatusFailure,
@@ -349,7 +367,7 @@ func NewTimeoutError(message string, retryAfterSeconds int) *StatusError {
 func NewTooManyRequestsError(message string) *StatusError {
 	return &StatusError{metav1.Status{
 		Status:  metav1.StatusFailure,
-		Code:    StatusTooManyRequests,
+		Code:    http.StatusTooManyRequests,
 		Reason:  metav1.StatusReasonTooManyRequests,
 		Message: fmt.Sprintf("Too many requests: %s", message),
 	}}
@@ -458,127 +476,141 @@ func NewGenericServerResponse(code int, verb string, qualifiedResource schema.Gr
 }
 
 // IsNotFound returns true if the specified error was created by NewNotFound.
+// It supports wrapped errors.
 func IsNotFound(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonNotFound
 }
 
 // IsAlreadyExists determines if the err is an error which indicates that a specified resource already exists.
+// It supports wrapped errors.
 func IsAlreadyExists(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonAlreadyExists
 }
 
 // IsConflict determines if the err is an error which indicates the provided update conflicts.
+// It supports wrapped errors.
 func IsConflict(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonConflict
 }
 
 // IsInvalid determines if the err is an error which indicates the provided resource is not valid.
+// It supports wrapped errors.
 func IsInvalid(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonInvalid
 }
 
 // IsGone is true if the error indicates the requested resource is no longer available.
+// It supports wrapped errors.
 func IsGone(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonGone
 }
 
 // IsResourceExpired is true if the error indicates the resource has expired and the current action is
 // no longer possible.
+// It supports wrapped errors.
 func IsResourceExpired(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonExpired
 }
 
 // IsNotAcceptable determines if err is an error which indicates that the request failed due to an invalid Accept header
+// It supports wrapped errors.
 func IsNotAcceptable(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonNotAcceptable
 }
 
 // IsUnsupportedMediaType determines if err is an error which indicates that the request failed due to an invalid Content-Type header
+// It supports wrapped errors.
 func IsUnsupportedMediaType(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonUnsupportedMediaType
 }
 
 // IsMethodNotSupported determines if the err is an error which indicates the provided action could not
 // be performed because it is not supported by the server.
+// It supports wrapped errors.
 func IsMethodNotSupported(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonMethodNotAllowed
 }
 
 // IsServiceUnavailable is true if the error indicates the underlying service is no longer available.
+// It supports wrapped errors.
 func IsServiceUnavailable(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonServiceUnavailable
 }
 
 // IsBadRequest determines if err is an error which indicates that the request is invalid.
+// It supports wrapped errors.
 func IsBadRequest(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonBadRequest
 }
 
 // IsUnauthorized determines if err is an error which indicates that the request is unauthorized and
 // requires authentication by the user.
+// It supports wrapped errors.
 func IsUnauthorized(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonUnauthorized
 }
 
 // IsForbidden determines if err is an error which indicates that the request is forbidden and cannot
 // be completed as requested.
+// It supports wrapped errors.
 func IsForbidden(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonForbidden
 }
 
 // IsTimeout determines if err is an error which indicates that request times out due to long
 // processing.
+// It supports wrapped errors.
 func IsTimeout(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonTimeout
 }
 
 // IsServerTimeout determines if err is an error which indicates that the request needs to be retried
 // by the client.
+// It supports wrapped errors.
 func IsServerTimeout(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonServerTimeout
 }
 
 // IsInternalError determines if err is an error which indicates an internal server error.
+// It supports wrapped errors.
 func IsInternalError(err error) bool {
 	return ReasonForError(err) == metav1.StatusReasonInternalError
 }
 
 // IsTooManyRequests determines if err is an error which indicates that there are too many requests
 // that the server cannot handle.
+// It supports wrapped errors.
 func IsTooManyRequests(err error) bool {
 	if ReasonForError(err) == metav1.StatusReasonTooManyRequests {
 		return true
 	}
-	switch t := err.(type) {
-	case APIStatus:
-		return t.Status().Code == http.StatusTooManyRequests
+	if status := APIStatus(nil); errors.As(err, &status) {
+		return status.Status().Code == http.StatusTooManyRequests
 	}
 	return false
 }
 
 // IsRequestEntityTooLargeError determines if err is an error which indicates
 // the request entity is too large.
+// It supports wrapped errors.
 func IsRequestEntityTooLargeError(err error) bool {
 	if ReasonForError(err) == metav1.StatusReasonRequestEntityTooLarge {
 		return true
 	}
-	switch t := err.(type) {
-	case APIStatus:
-		return t.Status().Code == http.StatusRequestEntityTooLarge
+	if status := APIStatus(nil); errors.As(err, &status) {
+		return status.Status().Code == http.StatusRequestEntityTooLarge
 	}
 	return false
 }
 
 // IsUnexpectedServerError returns true if the server response was not in the expected API format,
 // and may be the result of another HTTP actor.
+// It supports wrapped errors.
 func IsUnexpectedServerError(err error) bool {
-	switch t := err.(type) {
-	case APIStatus:
-		if d := t.Status().Details; d != nil {
-			for _, cause := range d.Causes {
-				if cause.Type == metav1.CauseTypeUnexpectedServerResponse {
-					return true
-				}
+	if status := APIStatus(nil); errors.As(err, &status) && status.Status().Details != nil {
+		for _, cause := range status.Status().Details.Causes {
+			if cause.Type == metav1.CauseTypeUnexpectedServerResponse {
+				return true
 			}
 		}
 	}
@@ -586,38 +618,37 @@ func IsUnexpectedServerError(err error) bool {
 }
 
 // IsUnexpectedObjectError determines if err is due to an unexpected object from the master.
+// It supports wrapped errors.
 func IsUnexpectedObjectError(err error) bool {
-	_, ok := err.(*UnexpectedObjectError)
-	return err != nil && ok
+	uoe := &UnexpectedObjectError{}
+	return err != nil && errors.As(err, &uoe)
 }
 
 // SuggestsClientDelay returns true if this error suggests a client delay as well as the
 // suggested seconds to wait, or false if the error does not imply a wait. It does not
 // address whether the error *should* be retried, since some errors (like a 3xx) may
 // request delay without retry.
+// It supports wrapped errors.
 func SuggestsClientDelay(err error) (int, bool) {
-	switch t := err.(type) {
-	case APIStatus:
-		if t.Status().Details != nil {
-			switch t.Status().Reason {
-			// this StatusReason explicitly requests the caller to delay the action
-			case metav1.StatusReasonServerTimeout:
-				return int(t.Status().Details.RetryAfterSeconds), true
-			}
-			// If the client requests that we retry after a certain number of seconds
-			if t.Status().Details.RetryAfterSeconds > 0 {
-				return int(t.Status().Details.RetryAfterSeconds), true
-			}
+	if t := APIStatus(nil); errors.As(err, &t) && t.Status().Details != nil {
+		switch t.Status().Reason {
+		// this StatusReason explicitly requests the caller to delay the action
+		case metav1.StatusReasonServerTimeout:
+			return int(t.Status().Details.RetryAfterSeconds), true
+		}
+		// If the client requests that we retry after a certain number of seconds
+		if t.Status().Details.RetryAfterSeconds > 0 {
+			return int(t.Status().Details.RetryAfterSeconds), true
 		}
 	}
 	return 0, false
 }
 
 // ReasonForError returns the HTTP status for a particular error.
+// It supports wrapped errors.
 func ReasonForError(err error) metav1.StatusReason {
-	switch t := err.(type) {
-	case APIStatus:
-		return t.Status().Reason
+	if status := APIStatus(nil); errors.As(err, &status) {
+		return status.Status().Reason
 	}
 	return metav1.StatusReasonUnknown
 }

vendor/k8s.io/apimachinery/pkg/api/meta/OWNERS

@@ -14,14 +14,8 @@ reviewers:
 - gmarek
 - janetkuo
 - ncdc
-- eparis
 - dims
 - krousey
-- markturansky
-- fabioy
 - resouer
-- david-mcmahon
 - mfojtik
 - jianhuiz
-- feihujiang
-- ghodss

vendor/k8s.io/apimachinery/pkg/api/meta/conditions.go

@@ -0,0 +1,102 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package meta
+
+import (
+	"time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// SetStatusCondition sets the corresponding condition in conditions to newCondition.
+// conditions must be non-nil.
+// 1. if the condition of the specified type already exists (all fields of the existing condition are updated to
+//    newCondition, LastTransitionTime is set to now if the new status differs from the old status)
+// 2. if a condition of the specified type does not exist (LastTransitionTime is set to now() if unset, and newCondition is appended)
+func SetStatusCondition(conditions *[]metav1.Condition, newCondition metav1.Condition) {
+	if conditions == nil {
+		return
+	}
+	existingCondition := FindStatusCondition(*conditions, newCondition.Type)
+	if existingCondition == nil {
+		if newCondition.LastTransitionTime.IsZero() {
+			newCondition.LastTransitionTime = metav1.NewTime(time.Now())
+		}
+		*conditions = append(*conditions, newCondition)
+		return
+	}
+
+	if existingCondition.Status != newCondition.Status {
+		existingCondition.Status = newCondition.Status
+		if !newCondition.LastTransitionTime.IsZero() {
+			existingCondition.LastTransitionTime = newCondition.LastTransitionTime
+		} else {
+			existingCondition.LastTransitionTime = metav1.NewTime(time.Now())
+		}
+	}
+
+	existingCondition.Reason = newCondition.Reason
+	existingCondition.Message = newCondition.Message
+	existingCondition.ObservedGeneration = newCondition.ObservedGeneration
+}
+
+// RemoveStatusCondition removes the corresponding conditionType from conditions.
+// conditions must be non-nil.
+func RemoveStatusCondition(conditions *[]metav1.Condition, conditionType string) {
+	if conditions == nil {
+		return
+	}
+	newConditions := make([]metav1.Condition, 0, len(*conditions)-1)
+	for _, condition := range *conditions {
+		if condition.Type != conditionType {
+			newConditions = append(newConditions, condition)
+		}
+	}
+
+	*conditions = newConditions
+}
+
+// FindStatusCondition finds the conditionType in conditions.
+func FindStatusCondition(conditions []metav1.Condition, conditionType string) *metav1.Condition {
+	for i := range conditions {
+		if conditions[i].Type == conditionType {
+			return &conditions[i]
+		}
+	}
+
+	return nil
+}
+
+// IsStatusConditionTrue returns true when the conditionType is present and set to `metav1.ConditionTrue`
+func IsStatusConditionTrue(conditions []metav1.Condition, conditionType string) bool {
+	return IsStatusConditionPresentAndEqual(conditions, conditionType, metav1.ConditionTrue)
+}
+
+// IsStatusConditionFalse returns true when the conditionType is present and set to `metav1.ConditionFalse`
+func IsStatusConditionFalse(conditions []metav1.Condition, conditionType string) bool {
+	return IsStatusConditionPresentAndEqual(conditions, conditionType, metav1.ConditionFalse)
+}
+
+// IsStatusConditionPresentAndEqual returns true when conditionType is present and equal to status.
+func IsStatusConditionPresentAndEqual(conditions []metav1.Condition, conditionType string, status metav1.ConditionStatus) bool {
+	for _, condition := range conditions {
+		if condition.Type == conditionType {
+			return condition.Status == status
+		}
+	}
+	return false
+}

vendor/k8s.io/apimachinery/pkg/api/meta/meta.go

@@ -25,7 +25,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/types"
-	"k8s.io/klog"
+	"k8s.io/klog/v2"
 )
 
 // errNotList is returned when an object implements the Object style interfaces but not the List style
@@ -40,8 +40,6 @@ func CommonAccessor(obj interface{}) (metav1.Common, error) {
 	switch t := obj.(type) {
 	case List:
 		return t, nil
-	case metav1.ListInterface:
-		return t, nil
 	case ListMetaAccessor:
 		if m := t.GetListMeta(); m != nil {
 			return m, nil
@@ -72,8 +70,6 @@ func ListAccessor(obj interface{}) (List, error) {
 	switch t := obj.(type) {
 	case List:
 		return t, nil
-	case metav1.ListInterface:
-		return t, nil
 	case ListMetaAccessor:
 		if m := t.GetListMeta(); m != nil {
 			return m, nil
@@ -135,7 +131,6 @@ func AsPartialObjectMetadata(m metav1.Object) *metav1.PartialObjectMetadata {
 				OwnerReferences:            m.GetOwnerReferences(),
 				Finalizers:                 m.GetFinalizers(),
 				ClusterName:                m.GetClusterName(),
-				Initializers:               m.GetInitializers(),
 				ManagedFields:              m.GetManagedFields(),
 			},
 		}

vendor/k8s.io/apimachinery/pkg/api/meta/restmapper.go

@@ -65,6 +65,9 @@ type DefaultRESTMapper struct {
 }
 
 func (m *DefaultRESTMapper) String() string {
+	if m == nil {
+		return "<nil>"
+	}
 	return fmt.Sprintf("DefaultRESTMapper{kindToPluralResource=%v}", m.kindToPluralResource)
 }
 

vendor/k8s.io/apimachinery/pkg/api/resource/OWNERS

@@ -9,10 +9,5 @@ reviewers:
 - mikedanese
 - saad-ali
 - janetkuo
-- tallclair
-- eparis
-- jbeda
 - xiang90
 - mbohlool
-- david-mcmahon
-- goltermann

vendor/k8s.io/apimachinery/pkg/api/resource/generated.pb.go

@@ -17,23 +17,14 @@ limitations under the License.
 // Code generated by protoc-gen-gogo. DO NOT EDIT.
 // source: k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/api/resource/generated.proto
 
-/*
-Package resource is a generated protocol buffer package.
-
-It is generated from these files:
-	k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/api/resource/generated.proto
-
-It has these top-level messages:
-	Quantity
-*/
 package resource
 
 import (
 	fmt "fmt"
 
-	proto "github.com/gogo/protobuf/proto"
-
 	math "math"
+
+	proto "github.com/gogo/protobuf/proto"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -45,21 +36,40 @@ 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 *Quantity) Reset()                    { *m = Quantity{} }
-func (*Quantity) ProtoMessage()               {}
-func (*Quantity) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{0} }
+func (m *Quantity) Reset()      { *m = Quantity{} }
+func (*Quantity) ProtoMessage() {}
+func (*Quantity) Descriptor() ([]byte, []int) {
+	return fileDescriptor_612bba87bd70906c, []int{0}
+}
+func (m *Quantity) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Quantity.Unmarshal(m, b)
+}
+func (m *Quantity) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Quantity.Marshal(b, m, deterministic)
+}
+func (m *Quantity) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Quantity.Merge(m, src)
+}
+func (m *Quantity) XXX_Size() int {
+	return xxx_messageInfo_Quantity.Size(m)
+}
+func (m *Quantity) XXX_DiscardUnknown() {
+	xxx_messageInfo_Quantity.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Quantity proto.InternalMessageInfo
 
 func init() {
 	proto.RegisterType((*Quantity)(nil), "k8s.io.apimachinery.pkg.api.resource.Quantity")
 }
 
 func init() {
-	proto.RegisterFile("k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/api/resource/generated.proto", fileDescriptorGenerated)
+	proto.RegisterFile("k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/api/resource/generated.proto", fileDescriptor_612bba87bd70906c)
 }
 
-var fileDescriptorGenerated = []byte{
+var fileDescriptor_612bba87bd70906c = []byte{
 	// 237 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x4c, 0x8e, 0xb1, 0x4e, 0xc3, 0x30,
 	0x10, 0x40, 0xcf, 0x0b, 0x2a, 0x19, 0x2b, 0x84, 0x10, 0xc3, 0xa5, 0x42, 0x0c, 0x2c, 0xd8, 0x6b,

vendor/k8s.io/apimachinery/pkg/api/resource/generated.proto

@@ -17,7 +17,7 @@ limitations under the License.
 
 // This file was autogenerated by go-to-protobuf. Do not edit it manually!
 
-syntax = 'proto2';
+syntax = "proto2";
 
 package k8s.io.apimachinery.pkg.api.resource;
 
@@ -26,7 +26,7 @@ option go_package = "resource";
 
 // Quantity is a fixed-point representation of a number.
 // It provides convenient marshaling/unmarshaling in JSON and YAML,
-// in addition to String() and Int64() accessors.
+// in addition to String() and AsInt64() accessors.
 //
 // The serialization format is:
 //

vendor/k8s.io/apimachinery/pkg/api/resource/math.go

@@ -37,12 +37,8 @@ var (
 	big1024     = big.NewInt(1024)
 
 	// Commonly needed inf.Dec values-- treat as read only!
-	decZero      = inf.NewDec(0, 0)
-	decOne       = inf.NewDec(1, 0)
-	decMinusOne  = inf.NewDec(-1, 0)
-	decThousand  = inf.NewDec(1000, 0)
-	dec1024      = inf.NewDec(1024, 0)
-	decMinus1024 = inf.NewDec(-1024, 0)
+	decZero = inf.NewDec(0, 0)
+	decOne  = inf.NewDec(1, 0)
 
 	// Largest (in magnitude) number allowed.
 	maxAllowed = infDecAmount{inf.NewDec((1<<63)-1, 0)} // == max int64

vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go

@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"math"
 	"math/big"
 	"strconv"
 	"strings"
@@ -29,7 +30,7 @@ import (
 
 // Quantity is a fixed-point representation of a number.
 // It provides convenient marshaling/unmarshaling in JSON and YAML,
-// in addition to String() and Int64() accessors.
+// in addition to String() and AsInt64() accessors.
 //
 // The serialization format is:
 //
@@ -120,7 +121,7 @@ const (
 )
 
 // MustParse turns the given string into a quantity or panics; for tests
-// or others cases where you know the string is valid.
+// or other cases where you know the string is valid.
 func MustParse(str string) Quantity {
 	q, err := ParseQuantity(str)
 	if err != nil {
@@ -442,6 +443,36 @@ func (q *Quantity) CanonicalizeBytes(out []byte) (result, suffix []byte) {
 	}
 }
 
+// AsApproximateFloat64 returns a float64 representation of the quantity which may
+// lose precision. If the value of the quantity is outside the range of a float64
+// +Inf/-Inf will be returned.
+func (q *Quantity) AsApproximateFloat64() float64 {
+	var base float64
+	var exponent int
+	if q.d.Dec != nil {
+		base, _ = big.NewFloat(0).SetInt(q.d.Dec.UnscaledBig()).Float64()
+		exponent = int(-q.d.Dec.Scale())
+	} else {
+		base = float64(q.i.value)
+		exponent = int(q.i.scale)
+	}
+	if exponent == 0 {
+		return base
+	}
+
+	// multiply by the appropriate exponential scale
+	switch q.Format {
+	case DecimalExponent, DecimalSI:
+		return base * math.Pow10(exponent)
+	default:
+		// fast path for exponents that can fit in 64 bits
+		if exponent > 0 && exponent < 7 {
+			return base * float64(int64(1)<<(exponent*10))
+		}
+		return base * math.Pow(2, float64(exponent*10))
+	}
+}
+
 // AsInt64 returns a representation of the current value as an int64 if a fast conversion
 // is possible. If false is returned, callers must use the inf.Dec form of this quantity.
 func (q *Quantity) AsInt64() (int64, bool) {
@@ -598,6 +629,9 @@ const int64QuantityExpectedBytes = 18
 // String is an expensive operation and caching this result significantly reduces the cost of
 // normal parse / marshal operations on Quantity.
 func (q *Quantity) String() string {
+	if q == nil {
+		return "<nil>"
+	}
 	if len(q.s) == 0 {
 		result := make([]byte, 0, int64QuantityExpectedBytes)
 		number, suffix := q.CanonicalizeBytes(result)
@@ -634,6 +668,11 @@ func (q Quantity) MarshalJSON() ([]byte, error) {
 	return result, nil
 }
 
+// ToUnstructured implements the value.UnstructuredConverter interface.
+func (q Quantity) ToUnstructured() interface{} {
+	return q.String()
+}
+
 // UnmarshalJSON implements the json.Unmarshaller interface.
 // TODO: Remove support for leading/trailing whitespace
 func (q *Quantity) UnmarshalJSON(value []byte) error {
@@ -697,7 +736,9 @@ func (q *Quantity) MilliValue() int64 {
 	return q.ScaledValue(Milli)
 }
 
-// ScaledValue returns the value of ceil(q * 10^scale); this could overflow an int64.
+// ScaledValue returns the value of ceil(q / 10^scale).
+// For example, NewQuantity(1, DecimalSI).ScaledValue(Milli) returns 1000.
+// This could overflow an int64.
 // To detect overflow, call Value() first and verify the expected magnitude.
 func (q *Quantity) ScaledValue(scale Scale) int64 {
 	if q.d.Dec == nil {
@@ -724,21 +765,3 @@ func (q *Quantity) SetScaled(value int64, scale Scale) {
 	q.d.Dec = nil
 	q.i = int64Amount{value: value, scale: scale}
 }
-
-// Copy is a convenience function that makes a deep copy for you. Non-deep
-// copies of quantities share pointers and you will regret that.
-func (q *Quantity) Copy() *Quantity {
-	if q.d.Dec == nil {
-		return &Quantity{
-			s:      q.s,
-			i:      q.i,
-			Format: q.Format,
-		}
-	}
-	tmp := &inf.Dec{}
-	return &Quantity{
-		s:      q.s,
-		d:      infDecAmount{tmp.Set(q.d.Dec)},
-		Format: q.Format,
-	}
-}

vendor/k8s.io/apimachinery/pkg/api/resource/quantity_proto.go

@@ -19,6 +19,7 @@ package resource
 import (
 	"fmt"
 	"io"
+	"math/bits"
 
 	"github.com/gogo/protobuf/proto"
 )
@@ -28,7 +29,7 @@ var _ proto.Sizer = &Quantity{}
 func (m *Quantity) Marshal() (data []byte, err error) {
 	size := m.Size()
 	data = make([]byte, size)
-	n, err := m.MarshalTo(data)
+	n, err := m.MarshalToSizedBuffer(data[:size])
 	if err != nil {
 		return nil, err
 	}
@@ -38,30 +39,40 @@ func (m *Quantity) Marshal() (data []byte, err error) {
 // MarshalTo is a customized version of the generated Protobuf unmarshaler for a struct
 // with a single string field.
 func (m *Quantity) MarshalTo(data []byte) (int, error) {
-	var i int
+	size := m.Size()
+	return m.MarshalToSizedBuffer(data[:size])
+}
+
+// MarshalToSizedBuffer is a customized version of the generated
+// Protobuf unmarshaler for a struct with a single string field.
+func (m *Quantity) MarshalToSizedBuffer(data []byte) (int, error) {
+	i := len(data)
 	_ = i
 	var l int
 	_ = l
 
-	data[i] = 0xa
-	i++
 	// BEGIN CUSTOM MARSHAL
 	out := m.String()
+	i -= len(out)
+	copy(data[i:], out)
 	i = encodeVarintGenerated(data, i, uint64(len(out)))
-	i += copy(data[i:], out)
 	// END CUSTOM MARSHAL
+	i--
+	data[i] = 0xa
 
-	return i, nil
+	return len(data) - i, nil
 }
 
 func encodeVarintGenerated(data []byte, offset int, v uint64) int {
+	offset -= sovGenerated(v)
+	base := offset
 	for v >= 1<<7 {
 		data[offset] = uint8(v&0x7f | 0x80)
 		v >>= 7
 		offset++
 	}
 	data[offset] = uint8(v)
-	return offset + 1
+	return base
 }
 
 func (m *Quantity) Size() (n int) {
@@ -77,14 +88,7 @@ func (m *Quantity) Size() (n int) {
 }
 
 func sovGenerated(x uint64) (n int) {
-	for {
-		n++
-		x >>= 7
-		if x == 0 {
-			break
-		}
-	}
-	return n
+	return (bits.Len64(x|1) + 6) / 7
 }
 
 // Unmarshal is a customized version of the generated Protobuf unmarshaler for a struct