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base_validator.go
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/
base_validator.go
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// Copyright 2020 Chaos Mesh 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package apivalidator
import (
"regexp"
"time"
"github.com/go-playground/validator/v10"
"github.com/robfig/cron/v3"
)
// NameValid can be used to check whether the given name is valid.
func NameValid(fl validator.FieldLevel) bool {
name := fl.Field().String()
if name == "" {
return false
}
if len(name) > 63 {
return false
}
if !checkName(name) {
return false
}
return true
}
var namePattern = regexp.MustCompile("^[-.\\w]*$")
// checkName can be used to check resource names.
func checkName(name string) bool {
return namePattern.MatchString(name)
}
// CronValid can be used to check whether the given cron valid.
func CronValid(fl validator.FieldLevel) bool {
cr := fl.Field().String()
if cr == "" {
return true
}
if _, err := cron.ParseStandard(cr); err != nil {
return false
}
return true
}
// DurationValid can be used to check whether the given duration valid.
func DurationValid(fl validator.FieldLevel) bool {
dur := fl.Field().String()
if dur == "" {
return true
}
_, err := time.ParseDuration(dur)
return err == nil
}