2bc77b8a28
This will allow running Windows Containers to have their resource limits updated through containerd. The CPU resource limits support has been added for Windows Server 20H2 and newer, on older versions hcsshim will raise an Unimplemented error. Signed-off-by: Claudiu Belu <cbelu@cloudbasesolutions.com>
51 lines
1.7 KiB
Go
51 lines
1.7 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 server
|
|
|
|
import (
|
|
runtimespec "github.com/opencontainers/runtime-spec/specs-go"
|
|
"github.com/pkg/errors"
|
|
"golang.org/x/net/context"
|
|
runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
|
|
|
|
criconfig "github.com/containerd/containerd/pkg/cri/config"
|
|
"github.com/containerd/containerd/pkg/cri/opts"
|
|
"github.com/containerd/containerd/pkg/cri/util"
|
|
)
|
|
|
|
// updateOCIResource updates container resource limit.
|
|
func updateOCIResource(ctx context.Context, spec *runtimespec.Spec, r *runtime.UpdateContainerResourcesRequest,
|
|
config criconfig.Config) (*runtimespec.Spec, error) {
|
|
|
|
// Copy to make sure old spec is not changed.
|
|
var cloned runtimespec.Spec
|
|
if err := util.DeepCopy(&cloned, spec); err != nil {
|
|
return nil, errors.Wrap(err, "failed to deep copy")
|
|
}
|
|
if cloned.Linux == nil {
|
|
cloned.Linux = &runtimespec.Linux{}
|
|
}
|
|
if err := opts.WithResources(r.GetLinux(), config.TolerateMissingHugetlbController, config.DisableHugetlbController)(ctx, nil, nil, &cloned); err != nil {
|
|
return nil, errors.Wrap(err, "unable to set linux container resources")
|
|
}
|
|
return &cloned, nil
|
|
}
|
|
|
|
func getResources(spec *runtimespec.Spec) interface{} {
|
|
return spec.Linux.Resources
|
|
}
|