mirror of
https://github.com/prometheus/node_exporter.git
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53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collector
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import (
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"path/filepath"
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"strings"
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"github.com/prometheus/procfs"
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kingpin "gopkg.in/alecthomas/kingpin.v2"
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)
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var (
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// The path of the proc filesystem.
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procPath = kingpin.Flag("path.procfs", "procfs mountpoint.").Default(procfs.DefaultMountPoint).String()
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sysPath = kingpin.Flag("path.sysfs", "sysfs mountpoint.").Default("/sys").String()
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rootfsPath = kingpin.Flag("path.rootfs", "rootfs mountpoint.").Default("/").String()
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)
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func procFilePath(name string) string {
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return filepath.Join(*procPath, name)
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}
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func sysFilePath(name string) string {
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return filepath.Join(*sysPath, name)
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}
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func rootfsFilePath(name string) string {
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return filepath.Join(*rootfsPath, name)
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}
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func rootfsStripPrefix(path string) string {
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if *rootfsPath == "/" {
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return path
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}
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stripped := strings.TrimPrefix(path, *rootfsPath)
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if stripped == "" {
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return "/"
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}
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return stripped
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}
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