1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package osutil
import (
"fmt"
"strings"
)
var etcFstab = "/etc/fstab"
// isHomeUsingRemoteFS informs if remote filesystems are defined or mounted under /home.
//
// Internally /proc/self/mountinfo and /etc/fstab are interrogated (for current
// and possible mounted filesystems). If either of those describes NFS
// filesystem mounted under or beneath /home/ then the return value is true.
var isHomeUsingRemoteFS = func() (bool, error) {
mountinfo, err := LoadMountInfo()
if err != nil {
return false, fmt.Errorf("cannot parse mountinfo: %s", err)
}
for _, entry := range mountinfo {
switch entry.FsType {
case "nfs4", "nfs", "autofs", "cifs":
if strings.HasPrefix(entry.MountDir, "/home/") || entry.MountDir == "/home" {
return true, nil
}
}
}
fstab, err := LoadMountProfile(etcFstab)
if err != nil {
return false, fmt.Errorf("cannot parse %s: %s", etcFstab, err)
}
for _, entry := range fstab.Entries {
switch entry.Type {
case "nfs4", "nfs", "autofs", "cifs":
if strings.HasPrefix(entry.Dir, "/home/") || entry.Dir == "/home" {
return true, nil
}
}
}
return false, nil
}
|
