48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
/*
|
|
Copyright 2016 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 flagutil
|
|
|
|
import (
|
|
"flag"
|
|
|
|
// kubelet attempts to customize default values for some cadvisor flags, so
|
|
// make sure that we pick these up.
|
|
_ "k8s.io/kubernetes/pkg/kubelet/cadvisor"
|
|
)
|
|
|
|
// FlagFunc retrieves a specific flag instance; returns nil if the flag is not configured.
|
|
type FlagFunc func() *flag.Flag
|
|
|
|
// NameValue returns the name and value of a flag, if it exists, otherwise empty strings.
|
|
func (ff FlagFunc) NameValue() (name, value string) {
|
|
if f := ff(); f != nil {
|
|
name, value = f.Name, f.Value.String()
|
|
}
|
|
return
|
|
}
|
|
|
|
func flagFunc(name string) FlagFunc { return func() *flag.Flag { return flag.Lookup(name) } }
|
|
|
|
// Cadvisor fields return the configured values of cadvisor global flags
|
|
var Cadvisor = struct {
|
|
HousekeepingInterval FlagFunc
|
|
GlobalHousekeepingInterval FlagFunc
|
|
}{
|
|
flagFunc("housekeeping_interval"),
|
|
flagFunc("global_housekeeping_interval"),
|
|
}
|