mirror of
https://github.com/kubernetes-sigs/prometheus-adapter.git
synced 2026-04-07 02:07:58 +00:00
a293b2bf94
Travis seems to be having issues pulling deps, so we'll have to check in the vendor directory and prevent the makefile from trying to regenerate it normally.
83 lines
1.5 KiB
Go
83 lines
1.5 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes 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 flag
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
)
|
|
|
|
// Tristate is a flag compatible with flags and pflags that
|
|
// keeps track of whether it had a value supplied or not.
|
|
type Tristate int
|
|
|
|
const (
|
|
Unset Tristate = iota // 0
|
|
True
|
|
False
|
|
)
|
|
|
|
func (f *Tristate) Default(value bool) {
|
|
*f = triFromBool(value)
|
|
}
|
|
|
|
func (f Tristate) String() string {
|
|
b := boolFromTri(f)
|
|
return fmt.Sprintf("%t", b)
|
|
}
|
|
|
|
func (f Tristate) Value() bool {
|
|
b := boolFromTri(f)
|
|
return b
|
|
}
|
|
|
|
func (f *Tristate) Set(value string) error {
|
|
boolVal, err := strconv.ParseBool(value)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
*f = triFromBool(boolVal)
|
|
return nil
|
|
}
|
|
|
|
func (f Tristate) Provided() bool {
|
|
if f != Unset {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (f *Tristate) Type() string {
|
|
return "tristate"
|
|
}
|
|
|
|
func boolFromTri(t Tristate) bool {
|
|
if t == True {
|
|
return true
|
|
} else {
|
|
return false
|
|
}
|
|
}
|
|
|
|
func triFromBool(b bool) Tristate {
|
|
if b {
|
|
return True
|
|
} else {
|
|
return False
|
|
}
|
|
}
|