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devices.go
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/
devices.go
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package fs
import (
"github.com/docker/libcontainer/cgroups"
"github.com/docker/libcontainer/configs"
)
type DevicesGroup struct {
}
func (s *DevicesGroup) Apply(d *data) error {
dir, err := d.join("devices")
if err != nil {
return err
}
if err := s.Set(dir, d.c); err != nil {
return err
}
return nil
}
func (s *DevicesGroup) Set(path string, cgroup *configs.Cgroup) error {
if !cgroup.AllowAllDevices {
if err := writeFile(path, "devices.deny", "a"); err != nil {
return err
}
for _, dev := range cgroup.AllowedDevices {
if err := writeFile(path, "devices.allow", dev.CgroupString()); err != nil {
return err
}
}
}
return nil
}
func (s *DevicesGroup) Remove(d *data) error {
return removePath(d.path("devices"))
}
func (s *DevicesGroup) GetStats(path string, stats *cgroups.Stats) error {
return nil
}