pkg/libcontainer/cgroups/fs/devices.go
Victor Marmol c88ecf6acd Make all cgroup stats output int64s instead of float64.
Docker-DCO-1.1-Signed-off-by: Victor Marmol <vmarmol@google.com> (github: vmarmol)
2014-05-22 20:53:36 +00:00

60 lines
1,006 B
Go

package fs
type devicesGroup struct {
}
func (s *devicesGroup) Set(d *data) error {
dir, err := d.join("devices")
if err != nil {
return err
}
if !d.c.DeviceAccess {
if err := writeFile(dir, "devices.deny", "a"); err != nil {
return err
}
allow := []string{
// allow mknod for any device
"c *:* m",
"b *:* m",
// /dev/null, zero, full
"c 1:3 rwm",
"c 1:5 rwm",
"c 1:7 rwm",
// consoles
"c 5:1 rwm",
"c 5:0 rwm",
"c 4:0 rwm",
"c 4:1 rwm",
// /dev/urandom,/dev/random
"c 1:9 rwm",
"c 1:8 rwm",
// /dev/pts/ - pts namespaces are "coming soon"
"c 136:* rwm",
"c 5:2 rwm",
// tuntap
"c 10:200 rwm",
}
for _, val := range allow {
if err := writeFile(dir, "devices.allow", val); err != nil {
return err
}
}
}
return nil
}
func (s *devicesGroup) Remove(d *data) error {
return removePath(d.path("devices"))
}
func (s *devicesGroup) Stats(d *data) (map[string]int64, error) {
return nil, ErrNotSupportStat
}