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