k3s/vendor/github.com/Microsoft/hcsshim/internal/wclayer/activatelayer.go

26 lines
742 B
Go
Raw Normal View History

2019-01-12 04:58:27 +00:00
package wclayer
import (
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
)
// ActivateLayer will find the layer with the given id and mount it's filesystem.
// For a read/write layer, the mounted filesystem will appear as a volume on the
// host, while a read-only layer is generally expected to be a no-op.
// An activated layer must later be deactivated via DeactivateLayer.
func ActivateLayer(path string) error {
title := "hcsshim::ActivateLayer "
logrus.Debugf(title+"path %s", path)
err := activateLayer(&stdDriverInfo, path)
if err != nil {
err = hcserror.Errorf(err, title, "path=%s", path)
logrus.Error(err)
return err
}
logrus.Debugf(title+" - succeeded path=%s", path)
return nil
}