mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-21 17:10:58 +01:00
2d95ecaa96
Adds uname collector support for Darwin and OpenBSD Signed-off-by: Philip Gough <philip.p.gough@gmail.com>
64 lines
2.0 KiB
Go
64 lines
2.0 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
|
|
// +build !nouname
|
|
|
|
package collector
|
|
|
|
import (
|
|
"bytes"
|
|
"strings"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func getUname() (uname, error) {
|
|
var utsname unix.Utsname
|
|
if err := unix.Uname(&utsname); err != nil {
|
|
return uname{}, err
|
|
}
|
|
|
|
nodeName, domainName := parseHostNameAndDomainName(utsname)
|
|
|
|
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: nodeName,
|
|
DomainName: domainName,
|
|
}
|
|
|
|
return output, nil
|
|
}
|
|
|
|
// parseHostNameAndDomainName for FreeBSD,OpenBSD,Darwin.
|
|
// Attempts to emulate what happens in the Linux uname calls since these OS doesn't have a Domainname.
|
|
func parseHostNameAndDomainName(utsname unix.Utsname) (hostname string, domainname string) {
|
|
nodename := string(utsname.Nodename[:bytes.IndexByte(utsname.Nodename[:], 0)])
|
|
split := strings.SplitN(nodename, ".", 2)
|
|
|
|
// We'll always have at least a single element in the array. We assume this
|
|
// is the hostname.
|
|
hostname = split[0]
|
|
|
|
// If we have more than one element, we assume this is the domainname.
|
|
// Otherwise leave it to "(none)" like Linux.
|
|
domainname = "(none)"
|
|
if len(split) > 1 {
|
|
domainname = split[1]
|
|
}
|
|
return hostname, domainname
|
|
}
|