containerd/runtime/opts/opts_linux.go
Akihiro Suda 8f870c233f support cgroup2
* only shim v2 runc v2 ("io.containerd.runc.v2") is supported
* only PID metrics is implemented. Others should be implemented in separate PRs.
* lots of code duplication in v1 metrics and v2 metrics. Dedupe should be separate PR.

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
2019-12-12 02:56:51 +09:00

48 lines
1.3 KiB
Go

/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package opts
import (
"context"
"github.com/containerd/cgroups"
cgroupsv2 "github.com/containerd/cgroups/v2"
"github.com/containerd/containerd/namespaces"
)
// WithNamespaceCgroupDeletion removes the cgroup directory that was created for the namespace
func WithNamespaceCgroupDeletion(ctx context.Context, i *namespaces.DeleteInfo) error {
if cgroups.Mode() == cgroups.Unified {
cg, err := cgroupsv2.LoadManager("/sys/fs/cgroup", i.Name)
if err != nil {
if err == cgroupsv2.ErrCgroupDeleted {
return nil
}
return err
}
return cg.Delete()
}
cg, err := cgroups.Load(cgroups.V1, cgroups.StaticPath(i.Name))
if err != nil {
if err == cgroups.ErrCgroupDeleted {
return nil
}
return err
}
return cg.Delete()
}