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Diffstat (limited to 'vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go')
-rw-r--r--vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go100
1 files changed, 0 insertions, 100 deletions
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go
deleted file mode 100644
index 461dc097c..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go
+++ /dev/null
@@ -1,100 +0,0 @@
-package devices
-
-import (
- "errors"
- "io/ioutil"
- "os"
- "path/filepath"
-
- "github.com/opencontainers/runc/libcontainer/configs"
-
- "golang.org/x/sys/unix"
-)
-
-var (
- ErrNotADevice = errors.New("not a device node")
-)
-
-// Testing dependencies
-var (
- unixLstat = unix.Lstat
- ioutilReadDir = ioutil.ReadDir
-)
-
-// Given the path to a device and its cgroup_permissions(which cannot be easily queried) look up the information about a linux device and return that information as a Device struct.
-func DeviceFromPath(path, permissions string) (*configs.Device, error) {
- var stat unix.Stat_t
- err := unixLstat(path, &stat)
- if err != nil {
- return nil, err
- }
- var (
- devType rune
- mode = stat.Mode
- )
- switch {
- case mode&unix.S_IFBLK == unix.S_IFBLK:
- devType = 'b'
- case mode&unix.S_IFCHR == unix.S_IFCHR:
- devType = 'c'
- default:
- return nil, ErrNotADevice
- }
- devNumber := int(stat.Rdev)
- uid := stat.Uid
- gid := stat.Gid
- return &configs.Device{
- Type: devType,
- Path: path,
- Major: Major(devNumber),
- Minor: Minor(devNumber),
- Permissions: permissions,
- FileMode: os.FileMode(mode),
- Uid: uid,
- Gid: gid,
- }, nil
-}
-
-func HostDevices() ([]*configs.Device, error) {
- return getDevices("/dev")
-}
-
-func getDevices(path string) ([]*configs.Device, error) {
- files, err := ioutilReadDir(path)
- if err != nil {
- return nil, err
- }
- out := []*configs.Device{}
- for _, f := range files {
- switch {
- case f.IsDir():
- switch f.Name() {
- // ".lxc" & ".lxd-mounts" added to address https://github.com/lxc/lxd/issues/2825
- case "pts", "shm", "fd", "mqueue", ".lxc", ".lxd-mounts":
- continue
- default:
- sub, err := getDevices(filepath.Join(path, f.Name()))
- if err != nil {
- return nil, err
- }
-
- out = append(out, sub...)
- continue
- }
- case f.Name() == "console":
- continue
- }
- device, err := DeviceFromPath(filepath.Join(path, f.Name()), "rwm")
- if err != nil {
- if err == ErrNotADevice {
- continue
- }
- if os.IsNotExist(err) {
- continue
- }
- return nil, err
- }
- out = append(out, device)
- }
- return out, nil
-}