prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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52 lines
1.5 KiB
52 lines
1.5 KiB
// 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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