metadata.pb.validate.go

// Code generated by protoc-gen-validate. DO NOT EDIT.
// source: envoy/type/metadata/v3/metadata.proto

package metadatav3

import (
	"bytes"
	"errors"
	"fmt"
	"net"
	"net/mail"
	"net/url"
	"regexp"
	"sort"
	"strings"
	"time"
	"unicode/utf8"

	"google.golang.org/protobuf/types/known/anypb"
)

// ensure the imports are used
var (
	_ = bytes.MinRead
	_ = errors.New("")
	_ = fmt.Print
	_ = utf8.UTFMax
	_ = (*regexp.Regexp)(nil)
	_ = (*strings.Reader)(nil)
	_ = net.IPv4len
	_ = time.Duration(0)
	_ = (*url.URL)(nil)
	_ = (*mail.Address)(nil)
	_ = anypb.Any{}
	_ = sort.Sort
)

// Validate checks the field values on MetadataKey with the rules defined in
// the proto definition for this message. If any rules are violated, the first
// error encountered is returned, or nil if there are no violations.
func (m *MetadataKey) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKey with the rules defined in
// the proto definition for this message. If any rules are violated, the
// result is a list of violation errors wrapped in MetadataKeyMultiError, or
// nil if none found.
func (m *MetadataKey) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKey) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	if utf8.RuneCountInString(m.GetKey()) < 1 {
		err := MetadataKeyValidationError{
			field:  "Key",
			reason: "value length must be at least 1 runes",
		}
		if !all {
			return err
		}
		errors = append(errors, err)
	}

	if len(m.GetPath()) < 1 {
		err := MetadataKeyValidationError{
			field:  "Path",
			reason: "value must contain at least 1 item(s)",
		}
		if !all {
			return err
		}
		errors = append(errors, err)
	}

	for idx, item := range m.GetPath() {
		_, _ = idx, item

		if all {
			switch v := interface{}(item).(type) {
			case interface{ ValidateAll() error }:
				if err := v.ValidateAll(); err != nil {
					errors = append(errors, MetadataKeyValidationError{
						field:  fmt.Sprintf("Path[%v]", idx),
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			case interface{ Validate() error }:
				if err := v.Validate(); err != nil {
					errors = append(errors, MetadataKeyValidationError{
						field:  fmt.Sprintf("Path[%v]", idx),
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			}
		} else if v, ok := interface{}(item).(interface{ Validate() error }); ok {
			if err := v.Validate(); err != nil {
				return MetadataKeyValidationError{
					field:  fmt.Sprintf("Path[%v]", idx),
					reason: "embedded message failed validation",
					cause:  err,
				}
			}
		}

	}

	if len(errors) > 0 {
		return MetadataKeyMultiError(errors)
	}

	return nil
}

// MetadataKeyMultiError is an error wrapping multiple validation errors
// returned by MetadataKey.ValidateAll() if the designated constraints aren't met.
type MetadataKeyMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKeyMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKeyMultiError) AllErrors() []error { return m }

// MetadataKeyValidationError is the validation error returned by
// MetadataKey.Validate if the designated constraints aren't met.
type MetadataKeyValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKeyValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKeyValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKeyValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKeyValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKeyValidationError) ErrorName() string { return "MetadataKeyValidationError" }

// Error satisfies the builtin error interface
func (e MetadataKeyValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKey.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKeyValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKeyValidationError{}

// Validate checks the field values on MetadataKind with the rules defined in
// the proto definition for this message. If any rules are violated, the first
// error encountered is returned, or nil if there are no violations.
func (m *MetadataKind) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKind with the rules defined
// in the proto definition for this message. If any rules are violated, the
// result is a list of violation errors wrapped in MetadataKindMultiError, or
// nil if none found.
func (m *MetadataKind) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKind) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	switch m.Kind.(type) {

	case *MetadataKind_Request_:

		if all {
			switch v := interface{}(m.GetRequest()).(type) {
			case interface{ ValidateAll() error }:
				if err := v.ValidateAll(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Request",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			case interface{ Validate() error }:
				if err := v.Validate(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Request",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			}
		} else if v, ok := interface{}(m.GetRequest()).(interface{ Validate() error }); ok {
			if err := v.Validate(); err != nil {
				return MetadataKindValidationError{
					field:  "Request",
					reason: "embedded message failed validation",
					cause:  err,
				}
			}
		}

	case *MetadataKind_Route_:

		if all {
			switch v := interface{}(m.GetRoute()).(type) {
			case interface{ ValidateAll() error }:
				if err := v.ValidateAll(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Route",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			case interface{ Validate() error }:
				if err := v.Validate(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Route",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			}
		} else if v, ok := interface{}(m.GetRoute()).(interface{ Validate() error }); ok {
			if err := v.Validate(); err != nil {
				return MetadataKindValidationError{
					field:  "Route",
					reason: "embedded message failed validation",
					cause:  err,
				}
			}
		}

	case *MetadataKind_Cluster_:

		if all {
			switch v := interface{}(m.GetCluster()).(type) {
			case interface{ ValidateAll() error }:
				if err := v.ValidateAll(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Cluster",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			case interface{ Validate() error }:
				if err := v.Validate(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Cluster",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			}
		} else if v, ok := interface{}(m.GetCluster()).(interface{ Validate() error }); ok {
			if err := v.Validate(); err != nil {
				return MetadataKindValidationError{
					field:  "Cluster",
					reason: "embedded message failed validation",
					cause:  err,
				}
			}
		}

	case *MetadataKind_Host_:

		if all {
			switch v := interface{}(m.GetHost()).(type) {
			case interface{ ValidateAll() error }:
				if err := v.ValidateAll(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Host",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			case interface{ Validate() error }:
				if err := v.Validate(); err != nil {
					errors = append(errors, MetadataKindValidationError{
						field:  "Host",
						reason: "embedded message failed validation",
						cause:  err,
					})
				}
			}
		} else if v, ok := interface{}(m.GetHost()).(interface{ Validate() error }); ok {
			if err := v.Validate(); err != nil {
				return MetadataKindValidationError{
					field:  "Host",
					reason: "embedded message failed validation",
					cause:  err,
				}
			}
		}

	default:
		err := MetadataKindValidationError{
			field:  "Kind",
			reason: "value is required",
		}
		if !all {
			return err
		}
		errors = append(errors, err)

	}

	if len(errors) > 0 {
		return MetadataKindMultiError(errors)
	}

	return nil
}

// MetadataKindMultiError is an error wrapping multiple validation errors
// returned by MetadataKind.ValidateAll() if the designated constraints aren't met.
type MetadataKindMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKindMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKindMultiError) AllErrors() []error { return m }

// MetadataKindValidationError is the validation error returned by
// MetadataKind.Validate if the designated constraints aren't met.
type MetadataKindValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKindValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKindValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKindValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKindValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKindValidationError) ErrorName() string { return "MetadataKindValidationError" }

// Error satisfies the builtin error interface
func (e MetadataKindValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKind.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKindValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKindValidationError{}

// Validate checks the field values on MetadataKey_PathSegment with the rules
// defined in the proto definition for this message. If any rules are
// violated, the first error encountered is returned, or nil if there are no violations.
func (m *MetadataKey_PathSegment) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKey_PathSegment with the
// rules defined in the proto definition for this message. If any rules are
// violated, the result is a list of violation errors wrapped in
// MetadataKey_PathSegmentMultiError, or nil if none found.
func (m *MetadataKey_PathSegment) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKey_PathSegment) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	switch m.Segment.(type) {

	case *MetadataKey_PathSegment_Key:

		if utf8.RuneCountInString(m.GetKey()) < 1 {
			err := MetadataKey_PathSegmentValidationError{
				field:  "Key",
				reason: "value length must be at least 1 runes",
			}
			if !all {
				return err
			}
			errors = append(errors, err)
		}

	default:
		err := MetadataKey_PathSegmentValidationError{
			field:  "Segment",
			reason: "value is required",
		}
		if !all {
			return err
		}
		errors = append(errors, err)

	}

	if len(errors) > 0 {
		return MetadataKey_PathSegmentMultiError(errors)
	}

	return nil
}

// MetadataKey_PathSegmentMultiError is an error wrapping multiple validation
// errors returned by MetadataKey_PathSegment.ValidateAll() if the designated
// constraints aren't met.
type MetadataKey_PathSegmentMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKey_PathSegmentMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKey_PathSegmentMultiError) AllErrors() []error { return m }

// MetadataKey_PathSegmentValidationError is the validation error returned by
// MetadataKey_PathSegment.Validate if the designated constraints aren't met.
type MetadataKey_PathSegmentValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKey_PathSegmentValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKey_PathSegmentValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKey_PathSegmentValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKey_PathSegmentValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKey_PathSegmentValidationError) ErrorName() string {
	return "MetadataKey_PathSegmentValidationError"
}

// Error satisfies the builtin error interface
func (e MetadataKey_PathSegmentValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKey_PathSegment.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKey_PathSegmentValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKey_PathSegmentValidationError{}

// Validate checks the field values on MetadataKind_Request with the rules
// defined in the proto definition for this message. If any rules are
// violated, the first error encountered is returned, or nil if there are no violations.
func (m *MetadataKind_Request) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKind_Request with the rules
// defined in the proto definition for this message. If any rules are
// violated, the result is a list of violation errors wrapped in
// MetadataKind_RequestMultiError, or nil if none found.
func (m *MetadataKind_Request) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKind_Request) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	if len(errors) > 0 {
		return MetadataKind_RequestMultiError(errors)
	}

	return nil
}

// MetadataKind_RequestMultiError is an error wrapping multiple validation
// errors returned by MetadataKind_Request.ValidateAll() if the designated
// constraints aren't met.
type MetadataKind_RequestMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKind_RequestMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKind_RequestMultiError) AllErrors() []error { return m }

// MetadataKind_RequestValidationError is the validation error returned by
// MetadataKind_Request.Validate if the designated constraints aren't met.
type MetadataKind_RequestValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKind_RequestValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKind_RequestValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKind_RequestValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKind_RequestValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKind_RequestValidationError) ErrorName() string {
	return "MetadataKind_RequestValidationError"
}

// Error satisfies the builtin error interface
func (e MetadataKind_RequestValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKind_Request.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKind_RequestValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKind_RequestValidationError{}

// Validate checks the field values on MetadataKind_Route with the rules
// defined in the proto definition for this message. If any rules are
// violated, the first error encountered is returned, or nil if there are no violations.
func (m *MetadataKind_Route) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKind_Route with the rules
// defined in the proto definition for this message. If any rules are
// violated, the result is a list of violation errors wrapped in
// MetadataKind_RouteMultiError, or nil if none found.
func (m *MetadataKind_Route) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKind_Route) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	if len(errors) > 0 {
		return MetadataKind_RouteMultiError(errors)
	}

	return nil
}

// MetadataKind_RouteMultiError is an error wrapping multiple validation errors
// returned by MetadataKind_Route.ValidateAll() if the designated constraints
// aren't met.
type MetadataKind_RouteMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKind_RouteMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKind_RouteMultiError) AllErrors() []error { return m }

// MetadataKind_RouteValidationError is the validation error returned by
// MetadataKind_Route.Validate if the designated constraints aren't met.
type MetadataKind_RouteValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKind_RouteValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKind_RouteValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKind_RouteValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKind_RouteValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKind_RouteValidationError) ErrorName() string {
	return "MetadataKind_RouteValidationError"
}

// Error satisfies the builtin error interface
func (e MetadataKind_RouteValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKind_Route.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKind_RouteValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKind_RouteValidationError{}

// Validate checks the field values on MetadataKind_Cluster with the rules
// defined in the proto definition for this message. If any rules are
// violated, the first error encountered is returned, or nil if there are no violations.
func (m *MetadataKind_Cluster) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKind_Cluster with the rules
// defined in the proto definition for this message. If any rules are
// violated, the result is a list of violation errors wrapped in
// MetadataKind_ClusterMultiError, or nil if none found.
func (m *MetadataKind_Cluster) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKind_Cluster) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	if len(errors) > 0 {
		return MetadataKind_ClusterMultiError(errors)
	}

	return nil
}

// MetadataKind_ClusterMultiError is an error wrapping multiple validation
// errors returned by MetadataKind_Cluster.ValidateAll() if the designated
// constraints aren't met.
type MetadataKind_ClusterMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKind_ClusterMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKind_ClusterMultiError) AllErrors() []error { return m }

// MetadataKind_ClusterValidationError is the validation error returned by
// MetadataKind_Cluster.Validate if the designated constraints aren't met.
type MetadataKind_ClusterValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKind_ClusterValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKind_ClusterValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKind_ClusterValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKind_ClusterValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKind_ClusterValidationError) ErrorName() string {
	return "MetadataKind_ClusterValidationError"
}

// Error satisfies the builtin error interface
func (e MetadataKind_ClusterValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKind_Cluster.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKind_ClusterValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKind_ClusterValidationError{}

// Validate checks the field values on MetadataKind_Host with the rules defined
// in the proto definition for this message. If any rules are violated, the
// first error encountered is returned, or nil if there are no violations.
func (m *MetadataKind_Host) Validate() error {
	return m.validate(false)
}

// ValidateAll checks the field values on MetadataKind_Host with the rules
// defined in the proto definition for this message. If any rules are
// violated, the result is a list of violation errors wrapped in
// MetadataKind_HostMultiError, or nil if none found.
func (m *MetadataKind_Host) ValidateAll() error {
	return m.validate(true)
}

func (m *MetadataKind_Host) validate(all bool) error {
	if m == nil {
		return nil
	}

	var errors []error

	if len(errors) > 0 {
		return MetadataKind_HostMultiError(errors)
	}

	return nil
}

// MetadataKind_HostMultiError is an error wrapping multiple validation errors
// returned by MetadataKind_Host.ValidateAll() if the designated constraints
// aren't met.
type MetadataKind_HostMultiError []error

// Error returns a concatenation of all the error messages it wraps.
func (m MetadataKind_HostMultiError) Error() string {
	var msgs []string
	for _, err := range m {
		msgs = append(msgs, err.Error())
	}
	return strings.Join(msgs, "; ")
}

// AllErrors returns a list of validation violation errors.
func (m MetadataKind_HostMultiError) AllErrors() []error { return m }

// MetadataKind_HostValidationError is the validation error returned by
// MetadataKind_Host.Validate if the designated constraints aren't met.
type MetadataKind_HostValidationError struct {
	field  string
	reason string
	cause  error
	key    bool
}

// Field function returns field value.
func (e MetadataKind_HostValidationError) Field() string { return e.field }

// Reason function returns reason value.
func (e MetadataKind_HostValidationError) Reason() string { return e.reason }

// Cause function returns cause value.
func (e MetadataKind_HostValidationError) Cause() error { return e.cause }

// Key function returns key value.
func (e MetadataKind_HostValidationError) Key() bool { return e.key }

// ErrorName returns error name.
func (e MetadataKind_HostValidationError) ErrorName() string {
	return "MetadataKind_HostValidationError"
}

// Error satisfies the builtin error interface
func (e MetadataKind_HostValidationError) Error() string {
	cause := ""
	if e.cause != nil {
		cause = fmt.Sprintf(" | caused by: %v", e.cause)
	}

	key := ""
	if e.key {
		key = "key for "
	}

	return fmt.Sprintf(
		"invalid %sMetadataKind_Host.%s: %s%s",
		key,
		e.field,
		e.reason,
		cause)
}

var _ error = MetadataKind_HostValidationError{}

var _ interface {
	Field() string
	Reason() string
	Key() bool
	Cause() error
	ErrorName() string
} = MetadataKind_HostValidationError{}