prometheus/util/namevalidationutil/namevalidationutil.go
Arve Knudsen 0a40df33fb
Make metric/label name validation scheme explicit (#16928)
* Parameterize metric/label name validation scheme

Parameterized metric/label name validation scheme

---------

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
Co-authored-by: Julius Hinze <julius.hinze@grafana.com>
2025-08-18 08:09:00 +00:00

34 lines
1.1 KiB
Go

// Copyright 2025 The Prometheus 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 namevalidationutil
import (
"errors"
"fmt"
"github.com/prometheus/common/model"
)
// CheckNameValidationScheme returns an error iff nameValidationScheme is unset.
func CheckNameValidationScheme(nameValidationScheme model.ValidationScheme) error {
switch nameValidationScheme {
case model.UTF8Validation, model.LegacyValidation:
case model.UnsetValidation:
return errors.New("unset nameValidationScheme")
default:
panic(fmt.Errorf("unhandled nameValidationScheme: %s", nameValidationScheme.String()))
}
return nil
}