containerd/internal/cri/server/container_status_linux.go
Shingo Omura 8bcffa9446
KEP-3619: Fine grained SupplementalGroups control
Signed-off-by: Shingo Omura <everpeace@gmail.com>
2024-06-12 09:10:40 +09:00

55 lines
1.6 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 (
"context"
"errors"
"fmt"
containerstore "github.com/containerd/containerd/v2/internal/cri/store/container"
runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
)
func toCRIContainerUser(ctx context.Context, container containerstore.Container) (*runtime.ContainerUser, error) {
if container.Container == nil {
return nil, errors.New("container must not be nil")
}
runtimeSpec, err := container.Container.Spec(ctx)
if err != nil {
return nil, fmt.Errorf("failed to get container runtime spec: %w", err)
}
if runtimeSpec.Process == nil {
return &runtime.ContainerUser{}, nil
}
user := runtimeSpec.Process.User
var supplementalGroups []int64
for _, gid := range user.AdditionalGids {
supplementalGroups = append(supplementalGroups, int64(gid))
}
return &runtime.ContainerUser{
Linux: &runtime.LinuxContainerUser{
Uid: int64(user.UID),
Gid: int64(user.GID),
SupplementalGroups: supplementalGroups,
},
}, nil
}