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- package hcsshim
- import "github.com/Sirupsen/logrus"
- // LayerExists will return true if a layer with the given id exists and is known
- // to the system.
- func LayerExists(info DriverInfo, id string) (bool, error) {
- title := "hcsshim::LayerExists "
- logrus.Debugf(title+"Flavour %d ID %s", info.Flavour, id)
- // Convert info to API calling convention
- infop, err := convertDriverInfo(info)
- if err != nil {
- logrus.Error(err)
- return false, err
- }
- // Call the procedure itself.
- var exists uint32
- err = layerExists(&infop, id, &exists)
- if err != nil {
- err = makeErrorf(err, title, "id=%s flavour=%d", id, info.Flavour)
- logrus.Error(err)
- return false, err
- }
- logrus.Debugf(title+"succeeded flavour=%d id=%s exists=%d", info.Flavour, id, exists)
- return exists != 0, nil
- }
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