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package libpod
import (
"os"
"path/filepath"
"github.com/containers/libpod/libpod/define"
)
// Creates a new volume
func newVolume(runtime *Runtime) (*Volume, error) {
volume := new(Volume)
volume.config = new(VolumeConfig)
volume.runtime = runtime
volume.config.Labels = make(map[string]string)
volume.config.Options = make(map[string]string)
return volume, nil
}
// teardownStorage deletes the volume from volumePath
func (v *Volume) teardownStorage() error {
return os.RemoveAll(filepath.Join(v.runtime.config.VolumePath, v.Name()))
}
// Volumes with options set, or a filesystem type, or a device to mount need to
// be mounted and unmounted.
func (v *Volume) needsMount() bool {
return len(v.config.Options) > 0 && v.config.Driver == "local"
}
// update() updates the volume state from the DB.
func (v *Volume) update() error {
if err := v.runtime.state.UpdateVolume(v); err != nil {
return err
}
if !v.valid {
return define.ErrVolumeRemoved
}
return nil
}
// save() saves the volume state to the DB
func (v *Volume) save() error {
return v.runtime.state.SaveVolume(v)
}
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