Files
podman/vendor/github.com/containers/common/pkg/cgroups/cpuset.go
cdoern 2792e598c7 podman cgroup enhancement
currently, setting any sort of resource limit in a pod does nothing. With the newly refactored creation process in c/common, podman ca now set resources at a pod level
meaning that resource related flags can now be exposed to podman pod create.

cgroupfs and systemd are both supported with varying completion. cgroupfs is a much simpler process and one that is virtually complete for all resource types, the flags now just need to be added. systemd on the other hand
has to be handeled via the dbus api meaning that the limits need to be passed as recognized properties to systemd. The properties added so far are the ones that podman pod create supports as well as `cpuset-mems` as this will
be the next flag I work on.

Signed-off-by: Charlie Doern <cdoern@redhat.com>
2022-06-24 15:39:15 -04:00

50 lines
1.1 KiB
Go

//go:build !linux
// +build !linux
package cgroups
import (
"fmt"
"path/filepath"
spec "github.com/opencontainers/runtime-spec/specs-go"
)
type cpusetHandler struct{}
func getCpusetHandler() *cpusetHandler {
return &cpusetHandler{}
}
// Apply set the specified constraints
func (c *cpusetHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error {
if res.CPU == nil {
return nil
}
return fmt.Errorf("cpuset apply not implemented yet")
}
// Create the cgroup
func (c *cpusetHandler) Create(ctr *CgroupControl) (bool, error) {
if ctr.cgroup2 {
path := filepath.Join(cgroupRoot, ctr.path)
return true, cpusetCopyFromParent(path, true)
}
created, err := ctr.createCgroupDirectory(CPUset)
if !created || err != nil {
return created, err
}
return true, cpusetCopyFromParent(ctr.getCgroupv1Path(CPUset), false)
}
// Destroy the cgroup
func (c *cpusetHandler) Destroy(ctr *CgroupControl) error {
return rmDirRecursively(ctr.getCgroupv1Path(CPUset))
}
// Stat fills a metrics structure with usage stats for the controller
func (c *cpusetHandler) Stat(ctr *CgroupControl, m *Metrics) error {
return nil
}