statsd_exporter/action.go
2018-01-02 17:21:50 -05:00

42 lines
1.1 KiB
Go

// Copyright 2018 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 main
import "fmt"
type actionType string
const (
actionTypeMap actionType = "map"
actionTypeDrop actionType = "drop"
actionTypeDefault actionType = ""
)
func (t *actionType) UnmarshalYAML(unmarshal func(interface{}) error) error {
var v string
if err := unmarshal(&v); err != nil {
return err
}
switch actionType(v) {
case actionTypeDrop:
*t = actionTypeDrop
case actionTypeMap, actionTypeDefault:
*t = actionTypeMap
default:
return fmt.Errorf("invalid action type %q", v)
}
return nil
}