83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
package containerd
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import (
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"context"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/namespaces"
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digest "github.com/opencontainers/go-digest"
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ocispecs "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/pkg/errors"
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)
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func NewContentStore(store content.Store, ns string) content.Store {
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return &nsContent{ns, store}
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}
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type nsContent struct {
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ns string
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content.Store
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}
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func (c *nsContent) Info(ctx context.Context, dgst digest.Digest) (content.Info, error) {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.Info(ctx, dgst)
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}
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func (c *nsContent) Update(ctx context.Context, info content.Info, fieldpaths ...string) (content.Info, error) {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.Update(ctx, info, fieldpaths...)
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}
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func (c *nsContent) Walk(ctx context.Context, fn content.WalkFunc, filters ...string) error {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.Walk(ctx, fn, filters...)
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}
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func (c *nsContent) Delete(ctx context.Context, dgst digest.Digest) error {
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return errors.Errorf("contentstore.Delete usage is forbidden")
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}
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func (c *nsContent) Status(ctx context.Context, ref string) (content.Status, error) {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.Status(ctx, ref)
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}
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func (c *nsContent) ListStatuses(ctx context.Context, filters ...string) ([]content.Status, error) {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.ListStatuses(ctx, filters...)
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}
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func (c *nsContent) Abort(ctx context.Context, ref string) error {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.Abort(ctx, ref)
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}
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func (c *nsContent) ReaderAt(ctx context.Context, desc ocispecs.Descriptor) (content.ReaderAt, error) {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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return c.Store.ReaderAt(ctx, desc)
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}
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func (c *nsContent) Writer(ctx context.Context, opts ...content.WriterOpt) (content.Writer, error) {
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return c.writer(ctx, 3, opts...)
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}
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func (c *nsContent) writer(ctx context.Context, retries int, opts ...content.WriterOpt) (content.Writer, error) {
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ctx = namespaces.WithNamespace(ctx, c.ns)
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w, err := c.Store.Writer(ctx, opts...)
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if err != nil {
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return nil, err
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}
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return &nsWriter{Writer: w, ns: c.ns}, nil
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}
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type nsWriter struct {
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content.Writer
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ns string
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}
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func (w *nsWriter) Commit(ctx context.Context, size int64, expected digest.Digest, opts ...content.Opt) error {
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ctx = namespaces.WithNamespace(ctx, w.ns)
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return w.Writer.Commit(ctx, size, expected, opts...)
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}
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