Fix CGroupFS cgroup manager cgroup creation for pods

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #1237
Approved by: rhatdan
This commit is contained in:
Matthew Heon 2018-08-08 16:27:48 -04:00 committed by Atomic Bot
parent bb45de5605
commit 9bd991f477
2 changed files with 11 additions and 8 deletions

View File

@ -85,6 +85,9 @@ func (r *Runtime) NewContainer(ctx context.Context, rSpec *spec.Spec, options ..
if err != nil {
return nil, errors.Wrapf(err, "error retrieving pod %s cgroup", pod.ID())
}
if podCgroup == "" {
return nil, errors.Wrapf(ErrInternal, "pod %s cgroup is not set", pod.ID())
}
ctr.config.CgroupParent = podCgroup
} else {
ctr.config.CgroupParent = CgroupfsDefaultCgroupParent

View File

@ -57,14 +57,6 @@ func (r *Runtime) NewPod(options ...PodCreateOption) (*Pod, error) {
} else if strings.HasSuffix(path.Base(pod.config.CgroupParent), ".slice") {
return nil, errors.Wrapf(ErrInvalidArg, "systemd slice received as cgroup parent when using cgroupfs")
}
// Creating CGroup path is currently a NOOP until proper systemd
// cgroup management is merged
case SystemdCgroupsManager:
if pod.config.CgroupParent == "" {
pod.config.CgroupParent = SystemdDefaultCgroupParent
} else if len(pod.config.CgroupParent) < 6 || !strings.HasSuffix(path.Base(pod.config.CgroupParent), ".slice") {
return nil, errors.Wrapf(ErrInvalidArg, "did not receive systemd slice as cgroup parent when using systemd to manage cgroups")
}
// If we are set to use pod cgroups, set the cgroup parent that
// all containers in the pod will share
// No need to create it with cgroupfs - the first container to
@ -72,6 +64,14 @@ func (r *Runtime) NewPod(options ...PodCreateOption) (*Pod, error) {
if pod.config.UsePodCgroup {
pod.state.CgroupPath = filepath.Join(pod.config.CgroupParent, pod.ID())
}
case SystemdCgroupsManager:
if pod.config.CgroupParent == "" {
pod.config.CgroupParent = SystemdDefaultCgroupParent
} else if len(pod.config.CgroupParent) < 6 || !strings.HasSuffix(path.Base(pod.config.CgroupParent), ".slice") {
return nil, errors.Wrapf(ErrInvalidArg, "did not receive systemd slice as cgroup parent when using systemd to manage cgroups")
}
// Creating CGroup path is currently a NOOP until proper systemd
// cgroup management is merged
default:
return nil, errors.Wrapf(ErrInvalidArg, "unsupported CGroup manager: %s - cannot validate cgroup parent", r.config.CgroupManager)
}