runc/libcontainer/cgroups/fs/net_cls.go

45 lines
936 B
Go

// +build linux
package fs
import (
"strconv"
"github.com/opencontainers/runc/libcontainer/cgroups"
"github.com/opencontainers/runc/libcontainer/cgroups/fscommon"
"github.com/opencontainers/runc/libcontainer/configs"
)
type NetClsGroup struct {
}
func (s *NetClsGroup) Name() string {
return "net_cls"
}
func (s *NetClsGroup) Apply(d *cgroupData) error {
_, err := d.join("net_cls")
if err != nil && !cgroups.IsNotFound(err) {
return err
}
return nil
}
func (s *NetClsGroup) Set(path string, cgroup *configs.Cgroup) error {
if cgroup.Resources.NetClsClassid != 0 {
if err := fscommon.WriteFile(path, "net_cls.classid", strconv.FormatUint(uint64(cgroup.Resources.NetClsClassid), 10)); err != nil {
return err
}
}
return nil
}
func (s *NetClsGroup) Remove(d *cgroupData) error {
return removePath(d.path("net_cls"))
}
func (s *NetClsGroup) GetStats(path string, stats *cgroups.Stats) error {
return nil
}