node_exporter/collector/uname_linux.go

65 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.
// +build !nouname
package collector
import (
"syscall"
"github.com/prometheus/client_golang/prometheus"
)
var unameDesc = prometheus.NewDesc(
prometheus.BuildFQName(Namespace, "uname", "info"),
"Labeled system information as provided by the uname system call.",
[]string{
"sysname",
"release",
"version",
"machine",
"nodename",
"domainname",
},
nil,
)
type unameCollector struct{}
func init() {
Factories["uname"] = newUnameCollector
}
// NewUnameCollector returns new unameCollector.
func newUnameCollector() (Collector, error) {
return &unameCollector{}, nil
}
func (c unameCollector) Update(ch chan<- prometheus.Metric) error {
var uname syscall.Utsname
if err := syscall.Uname(&uname); err != nil {
return err
}
ch <- prometheus.MustNewConstMetric(unameDesc, prometheus.GaugeValue, 1,
unameToString(uname.Sysname),
unameToString(uname.Release),
unameToString(uname.Version),
unameToString(uname.Machine),
unameToString(uname.Nodename),
unameToString(uname.Domainname),
)
return nil
}