55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
package server
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import (
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"fmt"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/kubernetes-incubator/cri-o/oci"
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rspec "github.com/opencontainers/runtime-spec/specs-go"
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"github.com/sirupsen/logrus"
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"golang.org/x/net/context"
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pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
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)
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// UpdateContainerResources updates ContainerConfig of the container.
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func (s *Server) UpdateContainerResources(ctx context.Context, req *pb.UpdateContainerResourcesRequest) (resp *pb.UpdateContainerResourcesResponse, err error) {
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const operation = "update_container_resources"
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defer func() {
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recordOperation(operation, time.Now())
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recordError(operation, err)
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}()
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logrus.Debugf("UpdateContainerResources %+v", req)
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c, err := s.GetContainerFromRequest(req.GetContainerId())
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if err != nil {
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return nil, err
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}
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state := s.Runtime().ContainerStatus(c)
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if !(state.Status == oci.ContainerStateRunning || state.Status == oci.ContainerStateCreated) {
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return nil, fmt.Errorf("container %s is not running or created state: %s", c.ID(), state.Status)
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}
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resources := toOCIResources(req.GetLinux())
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if err := s.Runtime().UpdateContainer(c, resources); err != nil {
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return nil, err
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}
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return &pb.UpdateContainerResourcesResponse{}, nil
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}
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// toOCIResources converts CRI resource constraints to OCI.
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func toOCIResources(r *pb.LinuxContainerResources) *rspec.LinuxResources {
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return &rspec.LinuxResources{
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CPU: &rspec.LinuxCPU{
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Shares: proto.Uint64(uint64(r.GetCpuShares())),
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Quota: proto.Int64(r.GetCpuQuota()),
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Period: proto.Uint64(uint64(r.GetCpuPeriod())),
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Cpus: r.GetCpusetCpus(),
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Mems: r.GetCpusetMems(),
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},
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Memory: &rspec.LinuxMemory{
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Limit: proto.Int64(r.GetMemoryLimitInBytes()),
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},
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// TODO(runcom): OOMScoreAdj is missing
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}
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}
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