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syscontainer-tools: do not create device soft link in /dev

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Signed-off-by: zhangsong34 <zhangsong34@huawei.com>
This commit is contained in:
zhangsong34 2020-03-23 08:57:42 +08:00
parent 61397ce89c
commit 974a76b3ab
1 changed files with 5 additions and 22 deletions
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27
libdevice/devices_unix.go
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@ -18,15 +18,16 @@ package libdevice
import (
"errors"
"fmt"
"github.com/mrunalp/fileutils"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
"isula.org/syscontainer-tools/types"
"os"
"os/exec"
"path/filepath"
"strings"
"syscall"
"github.com/mrunalp/fileutils"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
"isula.org/syscontainer-tools/types"
)
var (
@ -286,7 +287,6 @@ func AddDeviceToSysBlock(node *types.Device) error {
if err != nil {
return err
}
hostDeviceName := filepath.Base(realPath)
containerDeviceName := filepath.Base(node.Path)
if err := os.Chdir(filepath.Join(node.Root, MountSourcePath)); err != nil {
return err
@ -303,14 +303,6 @@ func AddDeviceToSysBlock(node *types.Device) error {
if err := os.Symlink(destPath, containerDeviceName); err != nil {
return err
}
if err := os.Chdir(filepath.Join(node.Root, "/dev")); err != nil {
return err
}
if hostDeviceName != containerDeviceName {
if _, err := os.Stat(hostDeviceName); os.IsNotExist(err) {
return os.Symlink(containerDeviceName, hostDeviceName)
}
}
return nil
}
@ -318,20 +310,11 @@ func AddDeviceToSysBlock(node *types.Device) error {
func RemoveDeviceFromSysBlock(path string) error {
containerDeviceName := filepath.Base(path)
linkPath := filepath.Join(MountDestPath, containerDeviceName)
realPath, err := os.Readlink(linkPath)
if err != nil {
return err
}
hostDeviceName := filepath.Base(realPath)
devPath := filepath.Join("/dev", hostDeviceName)
if _, err := os.Lstat(linkPath); err == nil {
if err := os.Remove(linkPath); err != nil {
return err
}
}
if hostDeviceName != containerDeviceName {
return os.Remove(devPath)
}
return nil
}