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[sandbox] Add ctr support

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Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
This commit is contained in:
Maksym Pavlenko
2021-11-24 10:58:48 -08:00
parent 982de8a5d5
commit 17a2aaded3
8 changed files with 249 additions and 14 deletions
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21
runtime/v2/bundle.go
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@@ -25,6 +25,8 @@ import (
"github.com/containerd/containerd/identifiers"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/typeurl"
"github.com/opencontainers/runtime-spec/specs-go"
)
const configFilename = "config.json"
@@ -43,7 +45,7 @@ func LoadBundle(ctx context.Context, root, id string) (*Bundle, error) {
}
// NewBundle returns a new bundle on disk
func NewBundle(ctx context.Context, root, state, id string, spec []byte) (b *Bundle, err error) {
func NewBundle(ctx context.Context, root, state, id string, spec typeurl.Any) (b *Bundle, err error) {
if err := identifiers.Validate(id); err != nil {
return nil, fmt.Errorf("invalid task id %s: %w", id, err)
}
@@ -73,8 +75,10 @@ func NewBundle(ctx context.Context, root, state, id string, spec []byte) (b *Bun
if err := os.Mkdir(b.Path, 0700); err != nil {
return nil, err
}
if err := prepareBundleDirectoryPermissions(b.Path, spec); err != nil {
return nil, err
if typeurl.Is(spec, &specs.Spec{}) {
if err := prepareBundleDirectoryPermissions(b.Path, spec.GetValue()); err != nil {
return nil, err
}
}
paths = append(paths, b.Path)
// create working directory for the bundle
@@ -100,9 +104,14 @@ func NewBundle(ctx context.Context, root, state, id string, spec []byte) (b *Bun
if err := os.Symlink(work, filepath.Join(b.Path, "work")); err != nil {
return nil, err
}
// write the spec to the bundle
err = os.WriteFile(filepath.Join(b.Path, configFilename), spec, 0666)
return b, err
if spec := spec.GetValue(); spec != nil {
// write the spec to the bundle
err = os.WriteFile(filepath.Join(b.Path, configFilename), spec, 0666)
if err != nil {
return nil, fmt.Errorf("failed to write %s", configFilename)
}
}
return b, nil
}
// Bundle represents an OCI bundle