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collector: Implement uname collector for FreeBSD (#1239)

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* collector: Implement uname collector for FreeBSD

Signed-off-by: David O'Rourke <david.orourke@gmail.com>
This commit is contained in:
David O'Rourke 2019-02-05 16:39:24 +00:00 • committed by Ben Kochie
commit d442108d7a
5 changed files with 144 additions and 40 deletions
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54
collector/uname_linux.go
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@ -18,49 +18,23 @@ package collector
import (
"bytes"
"github.com/prometheus/client_golang/prometheus"
"golang.org/x/sys/unix"
)
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() {
registerCollector("uname", defaultEnabled, newUnameCollector)
}
// NewUnameCollector returns new unameCollector.
func newUnameCollector() (Collector, error) {
return &unameCollector{}, nil
}
func (c unameCollector) Update(ch chan<- prometheus.Metric) error {
var uname unix.Utsname
if err := unix.Uname(&uname); err != nil {
return err
func getUname() (uname, error) {
var utsname unix.Utsname
if err := unix.Uname(&utsname); err != nil {
return uname{}, err
}
ch <- prometheus.MustNewConstMetric(unameDesc, prometheus.GaugeValue, 1,
string(uname.Sysname[:bytes.IndexByte(uname.Sysname[:], 0)]),
string(uname.Release[:bytes.IndexByte(uname.Release[:], 0)]),
string(uname.Version[:bytes.IndexByte(uname.Version[:], 0)]),
string(uname.Machine[:bytes.IndexByte(uname.Machine[:], 0)]),
string(uname.Nodename[:bytes.IndexByte(uname.Nodename[:], 0)]),
string(uname.Domainname[:bytes.IndexByte(uname.Domainname[:], 0)]),
)
return nil
output := uname{
SysName: string(utsname.Sysname[:bytes.IndexByte(utsname.Sysname[:], 0)]),
Release: string(utsname.Release[:bytes.IndexByte(utsname.Release[:], 0)]),
Version: string(utsname.Version[:bytes.IndexByte(utsname.Version[:], 0)]),
Machine: string(utsname.Machine[:bytes.IndexByte(utsname.Machine[:], 0)]),
NodeName: string(utsname.Nodename[:bytes.IndexByte(utsname.Nodename[:], 0)]),
DomainName: string(utsname.Domainname[:bytes.IndexByte(utsname.Domainname[:], 0)]),
}
return output, nil
}