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enum.go
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enum.go
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/*
Copyright 2021 VMware, Inc.
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"
"strings"
k8sfield "k8s.io/apimachinery/pkg/util/validation/field"
)
func Enum(input string, field string, validOptions []string) FieldErrors {
errs := FieldErrors{}
if !contains(input, validOptions) {
errs = errs.Also(EnumInvalidValue(input, field, validOptions))
}
return errs
}
func EnumInvalidValue(input interface{}, field string, validOptions []string) FieldErrors {
return FieldErrors{
k8sfield.Invalid(k8sfield.NewPath(field), input, fmt.Sprintf("supported values are %v", strings.Join(validOptions, ", "))),
}
}
func contains(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}