70 lines
1.0 KiB
Go
70 lines
1.0 KiB
Go
//go:build !windows
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// +build !windows
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package host
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import (
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"strings"
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"syscall"
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"golang.org/x/sys/unix"
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)
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// uname returns the syscall like `uname -a`
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func uname() string {
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u := &unix.Utsname{}
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err := unix.Uname(u)
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if err != nil {
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return err.Error()
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}
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uname := strings.Join([]string{
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nullStr(u.Machine[:]),
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nullStr(u.Nodename[:]),
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nullStr(u.Release[:]),
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nullStr(u.Sysname[:]),
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nullStr(u.Version[:]),
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}, " ")
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return uname
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}
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func etcHosts() string {
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return slurp("/etc/hosts")
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}
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func resolvConf() string {
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return slurp("/etc/resolv.conf")
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}
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func nullStr(bs []byte) string {
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// find the null byte
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var i int
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var b byte
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for i, b = range bs {
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if b == 0 {
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break
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}
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}
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return string(bs[:i])
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}
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type df struct {
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s *syscall.Statfs_t
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}
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func makeDf(path string) (*df, error) {
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var s syscall.Statfs_t
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err := syscall.Statfs(path, &s)
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return &df{s: &s}, err
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}
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func (d *df) total() uint64 {
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return d.s.Blocks * uint64(d.s.Bsize)
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}
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func (d *df) available() uint64 {
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return d.s.Bavail * uint64(d.s.Bsize)
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}
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