50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package driver
|
|
|
|
import (
|
|
cstorage "github.com/containers/storage"
|
|
)
|
|
|
|
// Data handles the data for a storage driver
|
|
type Data struct {
|
|
Name string `json:"Name"`
|
|
Data map[string]string `json:"Data"`
|
|
}
|
|
|
|
// GetDriverName returns the name of the driver for the given store
|
|
func GetDriverName(store cstorage.Store) (string, error) {
|
|
driver, err := store.GraphDriver()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return driver.String(), nil
|
|
}
|
|
|
|
// GetDriverMetadata returns the metadata regarding the driver for the layer in the given store
|
|
func GetDriverMetadata(store cstorage.Store, layerID string) (map[string]string, error) {
|
|
driver, err := store.GraphDriver()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return driver.Metadata(layerID)
|
|
}
|
|
|
|
// GetDriverData returns the Data struct with information of the driver used by the store
|
|
func GetDriverData(store cstorage.Store, layerID string) (*Data, error) {
|
|
name, err := GetDriverName(store)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
metaData, err := GetDriverMetadata(store, layerID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if mountTimes, err := store.Mounted(layerID); mountTimes == 0 || err != nil {
|
|
delete(metaData, "MergedDir")
|
|
}
|
|
|
|
return &Data{
|
|
Name: name,
|
|
Data: metaData,
|
|
}, nil
|
|
}
|