move k8s deps into podman

We only need a small part of the k8s dependencies but they are the
biggest dependencies in podman by far. Moving them into podman allows us
to remove the unnecessary parts.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

3 files changed, 0 insertions, 892 deletions

diff --git a/vendor/k8s.io/apimachinery/pkg/util/validation/field/errors.go b/vendor/k8s.io/apimachinery/pkg/util/validation/field/errors.go
deleted file mode 100644
index c283ad189..000000000
--- a/vendor/k8s.io/apimachinery/pkg/util/validation/field/errors.go
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
-Copyright 2014 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 field
-
-import (
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-
-	utilerrors "k8s.io/apimachinery/pkg/util/errors"
-	"k8s.io/apimachinery/pkg/util/sets"
-)
-
-// Error is an implementation of the 'error' interface, which represents a
-// field-level validation error.
-type Error struct {
-	Type     ErrorType
-	Field    string
-	BadValue interface{}
-	Detail   string
-}
-
-var _ error = &Error{}
-
-// Error implements the error interface.
-func (v *Error) Error() string {
-	return fmt.Sprintf("%s: %s", v.Field, v.ErrorBody())
-}
-
-// ErrorBody returns the error message without the field name.  This is useful
-// for building nice-looking higher-level error reporting.
-func (v *Error) ErrorBody() string {
-	var s string
-	switch v.Type {
-	case ErrorTypeRequired, ErrorTypeForbidden, ErrorTypeTooLong, ErrorTypeInternal:
-		s = v.Type.String()
-	default:
-		value := v.BadValue
-		valueType := reflect.TypeOf(value)
-		if value == nil || valueType == nil {
-			value = "null"
-		} else if valueType.Kind() == reflect.Ptr {
-			if reflectValue := reflect.ValueOf(value); reflectValue.IsNil() {
-				value = "null"
-			} else {
-				value = reflectValue.Elem().Interface()
-			}
-		}
-		switch t := value.(type) {
-		case int64, int32, float64, float32, bool:
-			// use simple printer for simple types
-			s = fmt.Sprintf("%s: %v", v.Type, value)
-		case string:
-			s = fmt.Sprintf("%s: %q", v.Type, t)
-		case fmt.Stringer:
-			// anything that defines String() is better than raw struct
-			s = fmt.Sprintf("%s: %s", v.Type, t.String())
-		default:
-			// fallback to raw struct
-			// TODO: internal types have panic guards against json.Marshalling to prevent
-			// accidental use of internal types in external serialized form.  For now, use
-			// %#v, although it would be better to show a more expressive output in the future
-			s = fmt.Sprintf("%s: %#v", v.Type, value)
-		}
-	}
-	if len(v.Detail) != 0 {
-		s += fmt.Sprintf(": %s", v.Detail)
-	}
-	return s
-}
-
-// ErrorType is a machine readable value providing more detail about why
-// a field is invalid.  These values are expected to match 1-1 with
-// CauseType in api/types.go.
-type ErrorType string
-
-// TODO: These values are duplicated in api/types.go, but there's a circular dep.  Fix it.
-const (
-	// ErrorTypeNotFound is used to report failure to find a requested value
-	// (e.g. looking up an ID).  See NotFound().
-	ErrorTypeNotFound ErrorType = "FieldValueNotFound"
-	// ErrorTypeRequired is used to report required values that are not
-	// provided (e.g. empty strings, null values, or empty arrays).  See
-	// Required().
-	ErrorTypeRequired ErrorType = "FieldValueRequired"
-	// ErrorTypeDuplicate is used to report collisions of values that must be
-	// unique (e.g. unique IDs).  See Duplicate().
-	ErrorTypeDuplicate ErrorType = "FieldValueDuplicate"
-	// ErrorTypeInvalid is used to report malformed values (e.g. failed regex
-	// match, too long, out of bounds).  See Invalid().
-	ErrorTypeInvalid ErrorType = "FieldValueInvalid"
-	// ErrorTypeNotSupported is used to report unknown values for enumerated
-	// fields (e.g. a list of valid values).  See NotSupported().
-	ErrorTypeNotSupported ErrorType = "FieldValueNotSupported"
-	// ErrorTypeForbidden is used to report valid (as per formatting rules)
-	// values which would be accepted under some conditions, but which are not
-	// permitted by the current conditions (such as security policy).  See
-	// Forbidden().
-	ErrorTypeForbidden ErrorType = "FieldValueForbidden"
-	// ErrorTypeTooLong is used to report that the given value is too long.
-	// This is similar to ErrorTypeInvalid, but the error will not include the
-	// too-long value.  See TooLong().
-	ErrorTypeTooLong ErrorType = "FieldValueTooLong"
-	// ErrorTypeTooMany is used to report "too many". This is used to
-	// report that a given list has too many items. This is similar to FieldValueTooLong,
-	// but the error indicates quantity instead of length.
-	ErrorTypeTooMany ErrorType = "FieldValueTooMany"
-	// ErrorTypeInternal is used to report other errors that are not related
-	// to user input.  See InternalError().
-	ErrorTypeInternal ErrorType = "InternalError"
-)
-
-// String converts a ErrorType into its corresponding canonical error message.
-func (t ErrorType) String() string {
-	switch t {
-	case ErrorTypeNotFound:
-		return "Not found"
-	case ErrorTypeRequired:
-		return "Required value"
-	case ErrorTypeDuplicate:
-		return "Duplicate value"
-	case ErrorTypeInvalid:
-		return "Invalid value"
-	case ErrorTypeNotSupported:
-		return "Unsupported value"
-	case ErrorTypeForbidden:
-		return "Forbidden"
-	case ErrorTypeTooLong:
-		return "Too long"
-	case ErrorTypeTooMany:
-		return "Too many"
-	case ErrorTypeInternal:
-		return "Internal error"
-	default:
-		panic(fmt.Sprintf("unrecognized validation error: %q", string(t)))
-	}
-}
-
-// NotFound returns a *Error indicating "value not found".  This is
-// used to report failure to find a requested value (e.g. looking up an ID).
-func NotFound(field *Path, value interface{}) *Error {
-	return &Error{ErrorTypeNotFound, field.String(), value, ""}
-}
-
-// Required returns a *Error indicating "value required".  This is used
-// to report required values that are not provided (e.g. empty strings, null
-// values, or empty arrays).
-func Required(field *Path, detail string) *Error {
-	return &Error{ErrorTypeRequired, field.String(), "", detail}
-}
-
-// Duplicate returns a *Error indicating "duplicate value".  This is
-// used to report collisions of values that must be unique (e.g. names or IDs).
-func Duplicate(field *Path, value interface{}) *Error {
-	return &Error{ErrorTypeDuplicate, field.String(), value, ""}
-}
-
-// Invalid returns a *Error indicating "invalid value".  This is used
-// to report malformed values (e.g. failed regex match, too long, out of bounds).
-func Invalid(field *Path, value interface{}, detail string) *Error {
-	return &Error{ErrorTypeInvalid, field.String(), value, detail}
-}
-
-// NotSupported returns a *Error indicating "unsupported value".
-// This is used to report unknown values for enumerated fields (e.g. a list of
-// valid values).
-func NotSupported(field *Path, value interface{}, validValues []string) *Error {
-	detail := ""
-	if len(validValues) > 0 {
-		quotedValues := make([]string, len(validValues))
-		for i, v := range validValues {
-			quotedValues[i] = strconv.Quote(v)
-		}
-		detail = "supported values: " + strings.Join(quotedValues, ", ")
-	}
-	return &Error{ErrorTypeNotSupported, field.String(), value, detail}
-}
-
-// Forbidden returns a *Error indicating "forbidden".  This is used to
-// report valid (as per formatting rules) values which would be accepted under
-// some conditions, but which are not permitted by current conditions (e.g.
-// security policy).
-func Forbidden(field *Path, detail string) *Error {
-	return &Error{ErrorTypeForbidden, field.String(), "", detail}
-}
-
-// TooLong returns a *Error indicating "too long".  This is used to
-// report that the given value is too long.  This is similar to
-// Invalid, but the returned error will not include the too-long
-// value.
-func TooLong(field *Path, value interface{}, maxLength int) *Error {
-	return &Error{ErrorTypeTooLong, field.String(), value, fmt.Sprintf("must have at most %d bytes", maxLength)}
-}
-
-// TooMany returns a *Error indicating "too many". This is used to
-// report that a given list has too many items. This is similar to TooLong,
-// but the returned error indicates quantity instead of length.
-func TooMany(field *Path, actualQuantity, maxQuantity int) *Error {
-	return &Error{ErrorTypeTooMany, field.String(), actualQuantity, fmt.Sprintf("must have at most %d items", maxQuantity)}
-}
-
-// InternalError returns a *Error indicating "internal error".  This is used
-// to signal that an error was found that was not directly related to user
-// input.  The err argument must be non-nil.
-func InternalError(field *Path, err error) *Error {
-	return &Error{ErrorTypeInternal, field.String(), nil, err.Error()}
-}
-
-// ErrorList holds a set of Errors.  It is plausible that we might one day have
-// non-field errors in this same umbrella package, but for now we don't, so
-// we can keep it simple and leave ErrorList here.
-type ErrorList []*Error
-
-// NewErrorTypeMatcher returns an errors.Matcher that returns true
-// if the provided error is a Error and has the provided ErrorType.
-func NewErrorTypeMatcher(t ErrorType) utilerrors.Matcher {
-	return func(err error) bool {
-		if e, ok := err.(*Error); ok {
-			return e.Type == t
-		}
-		return false
-	}
-}
-
-// ToAggregate converts the ErrorList into an errors.Aggregate.
-func (list ErrorList) ToAggregate() utilerrors.Aggregate {
-	errs := make([]error, 0, len(list))
-	errorMsgs := sets.NewString()
-	for _, err := range list {
-		msg := fmt.Sprintf("%v", err)
-		if errorMsgs.Has(msg) {
-			continue
-		}
-		errorMsgs.Insert(msg)
-		errs = append(errs, err)
-	}
-	return utilerrors.NewAggregate(errs)
-}
-
-func fromAggregate(agg utilerrors.Aggregate) ErrorList {
-	errs := agg.Errors()
-	list := make(ErrorList, len(errs))
-	for i := range errs {
-		list[i] = errs[i].(*Error)
-	}
-	return list
-}
-
-// Filter removes items from the ErrorList that match the provided fns.
-func (list ErrorList) Filter(fns ...utilerrors.Matcher) ErrorList {
-	err := utilerrors.FilterOut(list.ToAggregate(), fns...)
-	if err == nil {
-		return nil
-	}
-	// FilterOut takes an Aggregate and returns an Aggregate
-	return fromAggregate(err.(utilerrors.Aggregate))
-}
diff --git a/vendor/k8s.io/apimachinery/pkg/util/validation/field/path.go b/vendor/k8s.io/apimachinery/pkg/util/validation/field/path.go
deleted file mode 100644
index daccb0589..000000000
--- a/vendor/k8s.io/apimachinery/pkg/util/validation/field/path.go
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
-Copyright 2015 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 field
-
-import (
-	"bytes"
-	"fmt"
-	"strconv"
-)
-
-type pathOptions struct {
-	path *Path
-}
-
-// PathOption modifies a pathOptions
-type PathOption func(o *pathOptions)
-
-// WithPath generates a PathOption
-func WithPath(p *Path) PathOption {
-	return func(o *pathOptions) {
-		o.path = p
-	}
-}
-
-// ToPath produces *Path from a set of PathOption
-func ToPath(opts ...PathOption) *Path {
-	c := &pathOptions{}
-	for _, opt := range opts {
-		opt(c)
-	}
-	return c.path
-}
-
-// Path represents the path from some root to a particular field.
-type Path struct {
-	name   string // the name of this field or "" if this is an index
-	index  string // if name == "", this is a subscript (index or map key) of the previous element
-	parent *Path  // nil if this is the root element
-}
-
-// NewPath creates a root Path object.
-func NewPath(name string, moreNames ...string) *Path {
-	r := &Path{name: name, parent: nil}
-	for _, anotherName := range moreNames {
-		r = &Path{name: anotherName, parent: r}
-	}
-	return r
-}
-
-// Root returns the root element of this Path.
-func (p *Path) Root() *Path {
-	for ; p.parent != nil; p = p.parent {
-		// Do nothing.
-	}
-	return p
-}
-
-// Child creates a new Path that is a child of the method receiver.
-func (p *Path) Child(name string, moreNames ...string) *Path {
-	r := NewPath(name, moreNames...)
-	r.Root().parent = p
-	return r
-}
-
-// Index indicates that the previous Path is to be subscripted by an int.
-// This sets the same underlying value as Key.
-func (p *Path) Index(index int) *Path {
-	return &Path{index: strconv.Itoa(index), parent: p}
-}
-
-// Key indicates that the previous Path is to be subscripted by a string.
-// This sets the same underlying value as Index.
-func (p *Path) Key(key string) *Path {
-	return &Path{index: key, parent: p}
-}
-
-// String produces a string representation of the Path.
-func (p *Path) String() string {
-	if p == nil {
-		return "<nil>"
-	}
-	// make a slice to iterate
-	elems := []*Path{}
-	for ; p != nil; p = p.parent {
-		elems = append(elems, p)
-	}
-
-	// iterate, but it has to be backwards
-	buf := bytes.NewBuffer(nil)
-	for i := range elems {
-		p := elems[len(elems)-1-i]
-		if p.parent != nil && len(p.name) > 0 {
-			// This is either the root or it is a subscript.
-			buf.WriteString(".")
-		}
-		if len(p.name) > 0 {
-			buf.WriteString(p.name)
-		} else {
-			fmt.Fprintf(buf, "[%s]", p.index)
-		}
-	}
-	return buf.String()
-}
diff --git a/vendor/k8s.io/apimachinery/pkg/util/validation/validation.go b/vendor/k8s.io/apimachinery/pkg/util/validation/validation.go
deleted file mode 100644
index c8b419984..000000000
--- a/vendor/k8s.io/apimachinery/pkg/util/validation/validation.go
+++ /dev/null
@@ -1,503 +0,0 @@
-/*
-Copyright 2014 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 validation
-
-import (
-	"fmt"
-	"math"
-	"net"
-	"regexp"
-	"strconv"
-	"strings"
-
-	"k8s.io/apimachinery/pkg/util/validation/field"
-)
-
-const qnameCharFmt string = "[A-Za-z0-9]"
-const qnameExtCharFmt string = "[-A-Za-z0-9_.]"
-const qualifiedNameFmt string = "(" + qnameCharFmt + qnameExtCharFmt + "*)?" + qnameCharFmt
-const qualifiedNameErrMsg string = "must consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character"
-const qualifiedNameMaxLength int = 63
-
-var qualifiedNameRegexp = regexp.MustCompile("^" + qualifiedNameFmt + "$")
-
-// IsQualifiedName tests whether the value passed is what Kubernetes calls a
-// "qualified name".  This is a format used in various places throughout the
-// system.  If the value is not valid, a list of error strings is returned.
-// Otherwise an empty list (or nil) is returned.
-func IsQualifiedName(value string) []string {
-	var errs []string
-	parts := strings.Split(value, "/")
-	var name string
-	switch len(parts) {
-	case 1:
-		name = parts[0]
-	case 2:
-		var prefix string
-		prefix, name = parts[0], parts[1]
-		if len(prefix) == 0 {
-			errs = append(errs, "prefix part "+EmptyError())
-		} else if msgs := IsDNS1123Subdomain(prefix); len(msgs) != 0 {
-			errs = append(errs, prefixEach(msgs, "prefix part ")...)
-		}
-	default:
-		return append(errs, "a qualified name "+RegexError(qualifiedNameErrMsg, qualifiedNameFmt, "MyName", "my.name", "123-abc")+
-			" with an optional DNS subdomain prefix and '/' (e.g. 'example.com/MyName')")
-	}
-
-	if len(name) == 0 {
-		errs = append(errs, "name part "+EmptyError())
-	} else if len(name) > qualifiedNameMaxLength {
-		errs = append(errs, "name part "+MaxLenError(qualifiedNameMaxLength))
-	}
-	if !qualifiedNameRegexp.MatchString(name) {
-		errs = append(errs, "name part "+RegexError(qualifiedNameErrMsg, qualifiedNameFmt, "MyName", "my.name", "123-abc"))
-	}
-	return errs
-}
-
-// IsFullyQualifiedName checks if the name is fully qualified. This is similar
-// to IsFullyQualifiedDomainName but requires a minimum of 3 segments instead of
-// 2 and does not accept a trailing . as valid.
-// TODO: This function is deprecated and preserved until all callers migrate to
-// IsFullyQualifiedDomainName; please don't add new callers.
-func IsFullyQualifiedName(fldPath *field.Path, name string) field.ErrorList {
-	var allErrors field.ErrorList
-	if len(name) == 0 {
-		return append(allErrors, field.Required(fldPath, ""))
-	}
-	if errs := IsDNS1123Subdomain(name); len(errs) > 0 {
-		return append(allErrors, field.Invalid(fldPath, name, strings.Join(errs, ",")))
-	}
-	if len(strings.Split(name, ".")) < 3 {
-		return append(allErrors, field.Invalid(fldPath, name, "should be a domain with at least three segments separated by dots"))
-	}
-	return allErrors
-}
-
-// IsFullyQualifiedDomainName checks if the domain name is fully qualified. This
-// is similar to IsFullyQualifiedName but only requires a minimum of 2 segments
-// instead of 3 and accepts a trailing . as valid.
-func IsFullyQualifiedDomainName(fldPath *field.Path, name string) field.ErrorList {
-	var allErrors field.ErrorList
-	if len(name) == 0 {
-		return append(allErrors, field.Required(fldPath, ""))
-	}
-	if strings.HasSuffix(name, ".") {
-		name = name[:len(name)-1]
-	}
-	if errs := IsDNS1123Subdomain(name); len(errs) > 0 {
-		return append(allErrors, field.Invalid(fldPath, name, strings.Join(errs, ",")))
-	}
-	if len(strings.Split(name, ".")) < 2 {
-		return append(allErrors, field.Invalid(fldPath, name, "should be a domain with at least two segments separated by dots"))
-	}
-	for _, label := range strings.Split(name, ".") {
-		if errs := IsDNS1123Label(label); len(errs) > 0 {
-			return append(allErrors, field.Invalid(fldPath, label, strings.Join(errs, ",")))
-		}
-	}
-	return allErrors
-}
-
-// Allowed characters in an HTTP Path as defined by RFC 3986. A HTTP path may
-// contain:
-// * unreserved characters (alphanumeric, '-', '.', '_', '~')
-// * percent-encoded octets
-// * sub-delims ("!", "$", "&", "'", "(", ")", "*", "+", ",", ";", "=")
-// * a colon character (":")
-const httpPathFmt string = `[A-Za-z0-9/\-._~%!$&'()*+,;=:]+`
-
-var httpPathRegexp = regexp.MustCompile("^" + httpPathFmt + "$")
-
-// IsDomainPrefixedPath checks if the given string is a domain-prefixed path
-// (e.g. acme.io/foo). All characters before the first "/" must be a valid
-// subdomain as defined by RFC 1123. All characters trailing the first "/" must
-// be valid HTTP Path characters as defined by RFC 3986.
-func IsDomainPrefixedPath(fldPath *field.Path, dpPath string) field.ErrorList {
-	var allErrs field.ErrorList
-	if len(dpPath) == 0 {
-		return append(allErrs, field.Required(fldPath, ""))
-	}
-
-	segments := strings.SplitN(dpPath, "/", 2)
-	if len(segments) != 2 || len(segments[0]) == 0 || len(segments[1]) == 0 {
-		return append(allErrs, field.Invalid(fldPath, dpPath, "must be a domain-prefixed path (such as \"acme.io/foo\")"))
-	}
-
-	host := segments[0]
-	for _, err := range IsDNS1123Subdomain(host) {
-		allErrs = append(allErrs, field.Invalid(fldPath, host, err))
-	}
-
-	path := segments[1]
-	if !httpPathRegexp.MatchString(path) {
-		return append(allErrs, field.Invalid(fldPath, path, RegexError("Invalid path", httpPathFmt)))
-	}
-
-	return allErrs
-}
-
-const labelValueFmt string = "(" + qualifiedNameFmt + ")?"
-const labelValueErrMsg string = "a valid label must be an empty string or consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character"
-
-// LabelValueMaxLength is a label's max length
-const LabelValueMaxLength int = 63
-
-var labelValueRegexp = regexp.MustCompile("^" + labelValueFmt + "$")
-
-// IsValidLabelValue tests whether the value passed is a valid label value.  If
-// the value is not valid, a list of error strings is returned.  Otherwise an
-// empty list (or nil) is returned.
-func IsValidLabelValue(value string) []string {
-	var errs []string
-	if len(value) > LabelValueMaxLength {
-		errs = append(errs, MaxLenError(LabelValueMaxLength))
-	}
-	if !labelValueRegexp.MatchString(value) {
-		errs = append(errs, RegexError(labelValueErrMsg, labelValueFmt, "MyValue", "my_value", "12345"))
-	}
-	return errs
-}
-
-const dns1123LabelFmt string = "[a-z0-9]([-a-z0-9]*[a-z0-9])?"
-const dns1123LabelErrMsg string = "a lowercase RFC 1123 label must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character"
-
-// DNS1123LabelMaxLength is a label's max length in DNS (RFC 1123)
-const DNS1123LabelMaxLength int = 63
-
-var dns1123LabelRegexp = regexp.MustCompile("^" + dns1123LabelFmt + "$")
-
-// IsDNS1123Label tests for a string that conforms to the definition of a label in
-// DNS (RFC 1123).
-func IsDNS1123Label(value string) []string {
-	var errs []string
-	if len(value) > DNS1123LabelMaxLength {
-		errs = append(errs, MaxLenError(DNS1123LabelMaxLength))
-	}
-	if !dns1123LabelRegexp.MatchString(value) {
-		errs = append(errs, RegexError(dns1123LabelErrMsg, dns1123LabelFmt, "my-name", "123-abc"))
-	}
-	return errs
-}
-
-const dns1123SubdomainFmt string = dns1123LabelFmt + "(\\." + dns1123LabelFmt + ")*"
-const dns1123SubdomainErrorMsg string = "a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character"
-
-// DNS1123SubdomainMaxLength is a subdomain's max length in DNS (RFC 1123)
-const DNS1123SubdomainMaxLength int = 253
-
-var dns1123SubdomainRegexp = regexp.MustCompile("^" + dns1123SubdomainFmt + "$")
-
-// IsDNS1123Subdomain tests for a string that conforms to the definition of a
-// subdomain in DNS (RFC 1123).
-func IsDNS1123Subdomain(value string) []string {
-	var errs []string
-	if len(value) > DNS1123SubdomainMaxLength {
-		errs = append(errs, MaxLenError(DNS1123SubdomainMaxLength))
-	}
-	if !dns1123SubdomainRegexp.MatchString(value) {
-		errs = append(errs, RegexError(dns1123SubdomainErrorMsg, dns1123SubdomainFmt, "example.com"))
-	}
-	return errs
-}
-
-const dns1035LabelFmt string = "[a-z]([-a-z0-9]*[a-z0-9])?"
-const dns1035LabelErrMsg string = "a DNS-1035 label must consist of lower case alphanumeric characters or '-', start with an alphabetic character, and end with an alphanumeric character"
-
-// DNS1035LabelMaxLength is a label's max length in DNS (RFC 1035)
-const DNS1035LabelMaxLength int = 63
-
-var dns1035LabelRegexp = regexp.MustCompile("^" + dns1035LabelFmt + "$")
-
-// IsDNS1035Label tests for a string that conforms to the definition of a label in
-// DNS (RFC 1035).
-func IsDNS1035Label(value string) []string {
-	var errs []string
-	if len(value) > DNS1035LabelMaxLength {
-		errs = append(errs, MaxLenError(DNS1035LabelMaxLength))
-	}
-	if !dns1035LabelRegexp.MatchString(value) {
-		errs = append(errs, RegexError(dns1035LabelErrMsg, dns1035LabelFmt, "my-name", "abc-123"))
-	}
-	return errs
-}
-
-// wildcard definition - RFC 1034 section 4.3.3.
-// examples:
-// - valid: *.bar.com, *.foo.bar.com
-// - invalid: *.*.bar.com, *.foo.*.com, *bar.com, f*.bar.com, *
-const wildcardDNS1123SubdomainFmt = "\\*\\." + dns1123SubdomainFmt
-const wildcardDNS1123SubdomainErrMsg = "a wildcard DNS-1123 subdomain must start with '*.', followed by a valid DNS subdomain, which must consist of lower case alphanumeric characters, '-' or '.' and end with an alphanumeric character"
-
-// IsWildcardDNS1123Subdomain tests for a string that conforms to the definition of a
-// wildcard subdomain in DNS (RFC 1034 section 4.3.3).
-func IsWildcardDNS1123Subdomain(value string) []string {
-	wildcardDNS1123SubdomainRegexp := regexp.MustCompile("^" + wildcardDNS1123SubdomainFmt + "$")
-
-	var errs []string
-	if len(value) > DNS1123SubdomainMaxLength {
-		errs = append(errs, MaxLenError(DNS1123SubdomainMaxLength))
-	}
-	if !wildcardDNS1123SubdomainRegexp.MatchString(value) {
-		errs = append(errs, RegexError(wildcardDNS1123SubdomainErrMsg, wildcardDNS1123SubdomainFmt, "*.example.com"))
-	}
-	return errs
-}
-
-const cIdentifierFmt string = "[A-Za-z_][A-Za-z0-9_]*"
-const identifierErrMsg string = "a valid C identifier must start with alphabetic character or '_', followed by a string of alphanumeric characters or '_'"
-
-var cIdentifierRegexp = regexp.MustCompile("^" + cIdentifierFmt + "$")
-
-// IsCIdentifier tests for a string that conforms the definition of an identifier
-// in C. This checks the format, but not the length.
-func IsCIdentifier(value string) []string {
-	if !cIdentifierRegexp.MatchString(value) {
-		return []string{RegexError(identifierErrMsg, cIdentifierFmt, "my_name", "MY_NAME", "MyName")}
-	}
-	return nil
-}
-
-// IsValidPortNum tests that the argument is a valid, non-zero port number.
-func IsValidPortNum(port int) []string {
-	if 1 <= port && port <= 65535 {
-		return nil
-	}
-	return []string{InclusiveRangeError(1, 65535)}
-}
-
-// IsInRange tests that the argument is in an inclusive range.
-func IsInRange(value int, min int, max int) []string {
-	if value >= min && value <= max {
-		return nil
-	}
-	return []string{InclusiveRangeError(min, max)}
-}
-
-// Now in libcontainer UID/GID limits is 0 ~ 1<<31 - 1
-// TODO: once we have a type for UID/GID we should make these that type.
-const (
-	minUserID  = 0
-	maxUserID  = math.MaxInt32
-	minGroupID = 0
-	maxGroupID = math.MaxInt32
-)
-
-// IsValidGroupID tests that the argument is a valid Unix GID.
-func IsValidGroupID(gid int64) []string {
-	if minGroupID <= gid && gid <= maxGroupID {
-		return nil
-	}
-	return []string{InclusiveRangeError(minGroupID, maxGroupID)}
-}
-
-// IsValidUserID tests that the argument is a valid Unix UID.
-func IsValidUserID(uid int64) []string {
-	if minUserID <= uid && uid <= maxUserID {
-		return nil
-	}
-	return []string{InclusiveRangeError(minUserID, maxUserID)}
-}
-
-var portNameCharsetRegex = regexp.MustCompile("^[-a-z0-9]+$")
-var portNameOneLetterRegexp = regexp.MustCompile("[a-z]")
-
-// IsValidPortName check that the argument is valid syntax. It must be
-// non-empty and no more than 15 characters long. It may contain only [-a-z0-9]
-// and must contain at least one letter [a-z]. It must not start or end with a
-// hyphen, nor contain adjacent hyphens.
-//
-// Note: We only allow lower-case characters, even though RFC 6335 is case
-// insensitive.
-func IsValidPortName(port string) []string {
-	var errs []string
-	if len(port) > 15 {
-		errs = append(errs, MaxLenError(15))
-	}
-	if !portNameCharsetRegex.MatchString(port) {
-		errs = append(errs, "must contain only alpha-numeric characters (a-z, 0-9), and hyphens (-)")
-	}
-	if !portNameOneLetterRegexp.MatchString(port) {
-		errs = append(errs, "must contain at least one letter or number (a-z, 0-9)")
-	}
-	if strings.Contains(port, "--") {
-		errs = append(errs, "must not contain consecutive hyphens")
-	}
-	if len(port) > 0 && (port[0] == '-' || port[len(port)-1] == '-') {
-		errs = append(errs, "must not begin or end with a hyphen")
-	}
-	return errs
-}
-
-// IsValidIP tests that the argument is a valid IP address.
-func IsValidIP(value string) []string {
-	if net.ParseIP(value) == nil {
-		return []string{"must be a valid IP address, (e.g. 10.9.8.7 or 2001:db8::ffff)"}
-	}
-	return nil
-}
-
-// IsValidIPv4Address tests that the argument is a valid IPv4 address.
-func IsValidIPv4Address(fldPath *field.Path, value string) field.ErrorList {
-	var allErrors field.ErrorList
-	ip := net.ParseIP(value)
-	if ip == nil || ip.To4() == nil {
-		allErrors = append(allErrors, field.Invalid(fldPath, value, "must be a valid IPv4 address"))
-	}
-	return allErrors
-}
-
-// IsValidIPv6Address tests that the argument is a valid IPv6 address.
-func IsValidIPv6Address(fldPath *field.Path, value string) field.ErrorList {
-	var allErrors field.ErrorList
-	ip := net.ParseIP(value)
-	if ip == nil || ip.To4() != nil {
-		allErrors = append(allErrors, field.Invalid(fldPath, value, "must be a valid IPv6 address"))
-	}
-	return allErrors
-}
-
-const percentFmt string = "[0-9]+%"
-const percentErrMsg string = "a valid percent string must be a numeric string followed by an ending '%'"
-
-var percentRegexp = regexp.MustCompile("^" + percentFmt + "$")
-
-// IsValidPercent checks that string is in the form of a percentage
-func IsValidPercent(percent string) []string {
-	if !percentRegexp.MatchString(percent) {
-		return []string{RegexError(percentErrMsg, percentFmt, "1%", "93%")}
-	}
-	return nil
-}
-
-const httpHeaderNameFmt string = "[-A-Za-z0-9]+"
-const httpHeaderNameErrMsg string = "a valid HTTP header must consist of alphanumeric characters or '-'"
-
-var httpHeaderNameRegexp = regexp.MustCompile("^" + httpHeaderNameFmt + "$")
-
-// IsHTTPHeaderName checks that a string conforms to the Go HTTP library's
-// definition of a valid header field name (a stricter subset than RFC7230).
-func IsHTTPHeaderName(value string) []string {
-	if !httpHeaderNameRegexp.MatchString(value) {
-		return []string{RegexError(httpHeaderNameErrMsg, httpHeaderNameFmt, "X-Header-Name")}
-	}
-	return nil
-}
-
-const envVarNameFmt = "[-._a-zA-Z][-._a-zA-Z0-9]*"
-const envVarNameFmtErrMsg string = "a valid environment variable name must consist of alphabetic characters, digits, '_', '-', or '.', and must not start with a digit"
-
-var envVarNameRegexp = regexp.MustCompile("^" + envVarNameFmt + "$")
-
-// IsEnvVarName tests if a string is a valid environment variable name.
-func IsEnvVarName(value string) []string {
-	var errs []string
-	if !envVarNameRegexp.MatchString(value) {
-		errs = append(errs, RegexError(envVarNameFmtErrMsg, envVarNameFmt, "my.env-name", "MY_ENV.NAME", "MyEnvName1"))
-	}
-
-	errs = append(errs, hasChDirPrefix(value)...)
-	return errs
-}
-
-const configMapKeyFmt = `[-._a-zA-Z0-9]+`
-const configMapKeyErrMsg string = "a valid config key must consist of alphanumeric characters, '-', '_' or '.'"
-
-var configMapKeyRegexp = regexp.MustCompile("^" + configMapKeyFmt + "$")
-
-// IsConfigMapKey tests for a string that is a valid key for a ConfigMap or Secret
-func IsConfigMapKey(value string) []string {
-	var errs []string
-	if len(value) > DNS1123SubdomainMaxLength {
-		errs = append(errs, MaxLenError(DNS1123SubdomainMaxLength))
-	}
-	if !configMapKeyRegexp.MatchString(value) {
-		errs = append(errs, RegexError(configMapKeyErrMsg, configMapKeyFmt, "key.name", "KEY_NAME", "key-name"))
-	}
-	errs = append(errs, hasChDirPrefix(value)...)
-	return errs
-}
-
-// MaxLenError returns a string explanation of a "string too long" validation
-// failure.
-func MaxLenError(length int) string {
-	return fmt.Sprintf("must be no more than %d characters", length)
-}
-
-// RegexError returns a string explanation of a regex validation failure.
-func RegexError(msg string, fmt string, examples ...string) string {
-	if len(examples) == 0 {
-		return msg + " (regex used for validation is '" + fmt + "')"
-	}
-	msg += " (e.g. "
-	for i := range examples {
-		if i > 0 {
-			msg += " or "
-		}
-		msg += "'" + examples[i] + "', "
-	}
-	msg += "regex used for validation is '" + fmt + "')"
-	return msg
-}
-
-// EmptyError returns a string explanation of a "must not be empty" validation
-// failure.
-func EmptyError() string {
-	return "must be non-empty"
-}
-
-func prefixEach(msgs []string, prefix string) []string {
-	for i := range msgs {
-		msgs[i] = prefix + msgs[i]
-	}
-	return msgs
-}
-
-// InclusiveRangeError returns a string explanation of a numeric "must be
-// between" validation failure.
-func InclusiveRangeError(lo, hi int) string {
-	return fmt.Sprintf(`must be between %d and %d, inclusive`, lo, hi)
-}
-
-func hasChDirPrefix(value string) []string {
-	var errs []string
-	switch {
-	case value == ".":
-		errs = append(errs, `must not be '.'`)
-	case value == "..":
-		errs = append(errs, `must not be '..'`)
-	case strings.HasPrefix(value, ".."):
-		errs = append(errs, `must not start with '..'`)
-	}
-	return errs
-}
-
-// IsValidSocketAddr checks that string represents a valid socket address
-// as defined in RFC 789. (e.g 0.0.0.0:10254 or [::]:10254))
-func IsValidSocketAddr(value string) []string {
-	var errs []string
-	ip, port, err := net.SplitHostPort(value)
-	if err != nil {
-		errs = append(errs, "must be a valid socket address format, (e.g. 0.0.0.0:10254 or [::]:10254)")
-		return errs
-	}
-	portInt, _ := strconv.Atoi(port)
-	errs = append(errs, IsValidPortNum(portInt)...)
-	errs = append(errs, IsValidIP(ip)...)
-	return errs
-}