mirror of
https://github.com/k3s-io/k3s.git
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84 lines
2.7 KiB
Go
84 lines
2.7 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 encryption
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import (
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"context"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/containers"
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"github.com/containerd/containerd/diff"
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"github.com/containerd/containerd/errdefs"
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"github.com/containerd/imgcrypt"
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"github.com/containerd/typeurl"
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encconfig "github.com/containers/ocicrypt/config"
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"github.com/gogo/protobuf/types"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/pkg/errors"
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)
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// WithDecryptedUnpack allows to pass parameters the 'layertool' needs to the applier
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func WithDecryptedUnpack(data *imgcrypt.Payload) diff.ApplyOpt {
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return func(_ context.Context, desc ocispec.Descriptor, c *diff.ApplyConfig) error {
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if c.ProcessorPayloads == nil {
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c.ProcessorPayloads = make(map[string]*types.Any)
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}
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data.Descriptor = desc
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any, err := typeurl.MarshalAny(data)
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if err != nil {
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return errors.Wrapf(err, "failed to marshal payload")
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}
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for _, id := range imgcrypt.PayloadToolIDs {
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c.ProcessorPayloads[id] = any
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}
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return nil
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}
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}
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// WithUnpackConfigApplyOpts allows to pass an ApplyOpt
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func WithUnpackConfigApplyOpts(opt diff.ApplyOpt) containerd.UnpackOpt {
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return func(_ context.Context, uc *containerd.UnpackConfig) error {
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uc.ApplyOpts = append(uc.ApplyOpts, opt)
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return nil
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}
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}
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// WithUnpackOpts is used to add unpack options to the unpacker.
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func WithUnpackOpts(opts []containerd.UnpackOpt) containerd.RemoteOpt {
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return func(_ *containerd.Client, c *containerd.RemoteContext) error {
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c.UnpackOpts = append(c.UnpackOpts, opts...)
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return nil
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}
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}
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// WithAuthorizationCheck checks the authorization of keys used for encrypted containers
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// be checked upon creation of a container
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func WithAuthorizationCheck(dc *encconfig.DecryptConfig) containerd.NewContainerOpts {
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return func(ctx context.Context, client *containerd.Client, c *containers.Container) error {
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image, err := client.ImageService().Get(ctx, c.Image)
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if errdefs.IsNotFound(err) {
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// allow creation of container without a existing image
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return nil
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} else if err != nil {
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return err
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}
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return CheckAuthorization(ctx, client.ContentStore(), image.Target, dc)
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}
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}
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