Function withImage

integration/client/mount_manager_linux_test.go:240–278

(image containerd.Image, args ...string)

}

func withImage(image containerd.Image, args ...string) oci.SpecOpts {
	return func(ctx context.Context, _ oci.Client, _ *containers.Container, s *oci.Spec) error {
		ic, err := image.Config(ctx)
		if err != nil {
			return err
		}
		if !images.IsConfigType(ic.MediaType) {
			return fmt.Errorf("unknown image config media type %s", ic.MediaType)
		}

		var (
			imageConfigBytes []byte
			ociimage         v1.Image
		)
		imageConfigBytes, err = content.ReadBlob(ctx, image.ContentStore(), ic)
		if err != nil {
			return err
		}

		if err = json.Unmarshal(imageConfigBytes, &ociimage); err != nil {
			return err
		}
		if s.Linux == nil {
			return fmt.Errorf("linux image section missing")
		}

		s.Process = &specs.Process{}
		s.Process.Env = ociimage.Config.Env
		s.Process.Args = append(ociimage.Config.Entrypoint, args...)

		cwd := ociimage.Config.WorkingDir
		if cwd == "" {
			cwd = "/"
		}
		s.Process.Cwd = cwd

		return nil
	}
}