52 lines
1.7 KiB
Go
52 lines
1.7 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package server
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import (
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"context"
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"fmt"
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runtimespec "github.com/opencontainers/runtime-spec/specs-go"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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criconfig "github.com/containerd/containerd/pkg/cri/config"
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"github.com/containerd/containerd/pkg/cri/opts"
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"github.com/containerd/containerd/pkg/cri/util"
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)
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// updateOCIResource updates container resource limit.
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func updateOCIResource(ctx context.Context, spec *runtimespec.Spec, r *runtime.UpdateContainerResourcesRequest,
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config criconfig.Config) (*runtimespec.Spec, error) {
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// Copy to make sure old spec is not changed.
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var cloned runtimespec.Spec
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if err := util.DeepCopy(&cloned, spec); err != nil {
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return nil, fmt.Errorf("failed to deep copy: %w", err)
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}
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if cloned.Linux == nil {
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cloned.Linux = &runtimespec.Linux{}
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}
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if err := opts.WithResources(r.GetLinux(), config.TolerateMissingHugetlbController, config.DisableHugetlbController)(ctx, nil, nil, &cloned); err != nil {
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return nil, fmt.Errorf("unable to set linux container resources: %w", err)
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}
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return &cloned, nil
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}
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func getResources(spec *runtimespec.Spec) interface{} {
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return spec.Linux.Resources
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}
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