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node_exporter/collector/uname_linux.go

42 lines
1.3 KiB

// 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.
//go:build !nouname
// +build !nouname
package collector
import (
"bytes"
"golang.org/x/sys/unix"
)
func getUname() (uname, error) {
var utsname unix.Utsname
if err := unix.Uname(&utsname); err != nil {
return uname{}, err
}
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
}