node_exporter/collector/uname.go

76 lines
1.7 KiB
Go

// Copyright 2019 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 darwin freebsd openbsd linux
// +build !nouname
package collector
import (
"github.com/go-kit/log"
"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 {
logger log.Logger
}
type uname struct {
SysName string
Release string
Version string
Machine string
NodeName string
DomainName string
}
func init() {
registerCollector("uname", defaultEnabled, newUnameCollector)
}
// NewUnameCollector returns new unameCollector.
func newUnameCollector(logger log.Logger) (Collector, error) {
return &unameCollector{logger}, nil
}
func (c *unameCollector) Update(ch chan<- prometheus.Metric) error {
uname, err := getUname()
if err != nil {
return err
}
ch <- prometheus.MustNewConstMetric(unameDesc, prometheus.GaugeValue, 1,
uname.SysName,
uname.Release,
uname.Version,
uname.Machine,
uname.NodeName,
uname.DomainName,
)
return nil
}