51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
package cgroups
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
specs "github.com/opencontainers/runtime-spec/specs-go"
|
|
)
|
|
|
|
func NewNetPrio(root string) *netprioController {
|
|
return &netprioController{
|
|
root: filepath.Join(root, string(NetPrio)),
|
|
}
|
|
}
|
|
|
|
type netprioController struct {
|
|
root string
|
|
}
|
|
|
|
func (n *netprioController) Name() Name {
|
|
return NetPrio
|
|
}
|
|
|
|
func (n *netprioController) Path(path string) string {
|
|
return filepath.Join(n.root, path)
|
|
}
|
|
|
|
func (n *netprioController) Create(path string, resources *specs.LinuxResources) error {
|
|
if err := os.MkdirAll(n.Path(path), defaultDirPerm); err != nil {
|
|
return err
|
|
}
|
|
if resources.Network != nil {
|
|
for _, prio := range resources.Network.Priorities {
|
|
if err := ioutil.WriteFile(
|
|
filepath.Join(n.Path(path), "net_prio_ifpriomap"),
|
|
formatPrio(prio.Name, prio.Priority),
|
|
defaultFilePerm,
|
|
); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func formatPrio(name string, prio uint32) []byte {
|
|
return []byte(fmt.Sprintf("%s %d", name, prio))
|
|
}
|