mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-09-19 23:57:30 -07:00
c23b76bfbb
* Bump exporter-toolkit to the latest release. * Use new toolkit landing page function. * Update kingpin flags. Signed-off-by: Ben Kochie <superq@gmail.com>
58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
// Copyright 2015 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 collector
|
|
|
|
import (
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/alecthomas/kingpin/v2"
|
|
"github.com/prometheus/procfs"
|
|
)
|
|
|
|
var (
|
|
// The path of the proc filesystem.
|
|
procPath = kingpin.Flag("path.procfs", "procfs mountpoint.").Default(procfs.DefaultMountPoint).String()
|
|
sysPath = kingpin.Flag("path.sysfs", "sysfs mountpoint.").Default("/sys").String()
|
|
rootfsPath = kingpin.Flag("path.rootfs", "rootfs mountpoint.").Default("/").String()
|
|
udevDataPath = kingpin.Flag("path.udev.data", "udev data path.").Default("/run/udev/data").String()
|
|
)
|
|
|
|
func procFilePath(name string) string {
|
|
return filepath.Join(*procPath, name)
|
|
}
|
|
|
|
func sysFilePath(name string) string {
|
|
return filepath.Join(*sysPath, name)
|
|
}
|
|
|
|
func rootfsFilePath(name string) string {
|
|
return filepath.Join(*rootfsPath, name)
|
|
}
|
|
|
|
func udevDataFilePath(name string) string {
|
|
return filepath.Join(*udevDataPath, name)
|
|
}
|
|
|
|
func rootfsStripPrefix(path string) string {
|
|
if *rootfsPath == "/" {
|
|
return path
|
|
}
|
|
stripped := strings.TrimPrefix(path, *rootfsPath)
|
|
if stripped == "" {
|
|
return "/"
|
|
}
|
|
return stripped
|
|
}
|