mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-28 23:19:46 -08:00
77 lines
1.8 KiB
Go
77 lines
1.8 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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// +build !nouname
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package collector
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import (
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"syscall"
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"github.com/prometheus/client_golang/prometheus"
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)
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var unameDesc = prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, "uname", "info"),
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"Labeled system information as provided by the uname system call.",
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[]string{
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"sysname",
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"release",
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"version",
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"machine",
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"nodename",
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"domainname",
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},
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nil,
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)
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type unameCollector struct{}
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func init() {
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Factories["uname"] = newUnameCollector
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}
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// NewUnameCollector returns new unameCollector.
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func newUnameCollector() (Collector, error) {
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return &unameCollector{}, nil
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}
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func intArrayToString(array [65]int8) string {
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var str string
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for _, a := range array {
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if a == 0 {
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break
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}
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str += string(a)
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}
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return str
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}
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func (c unameCollector) Update(ch chan<- prometheus.Metric) error {
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var uname syscall.Utsname
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if err := syscall.Uname(&uname); err != nil {
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return err
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}
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labelValues := []string{
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intArrayToString(uname.Sysname),
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intArrayToString(uname.Release),
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intArrayToString(uname.Version),
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intArrayToString(uname.Machine),
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intArrayToString(uname.Nodename),
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intArrayToString(uname.Domainname),
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}
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ch <- prometheus.MustNewConstMetric(unameDesc, prometheus.GaugeValue, 1, labelValues...)
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return nil
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}
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