| package graphdriver |
| |
| import ( |
| "fmt" |
| "path/filepath" |
| |
| "github.com/docker/docker/pkg/plugingetter" |
| "github.com/docker/docker/plugin/v2" |
| ) |
| |
| func lookupPlugin(name string, pg plugingetter.PluginGetter, config Options) (Driver, error) { |
| if !config.ExperimentalEnabled { |
| return nil, fmt.Errorf("graphdriver plugins are only supported with experimental mode") |
| } |
| pl, err := pg.Get(name, "GraphDriver", plugingetter.Acquire) |
| if err != nil { |
| return nil, fmt.Errorf("Error looking up graphdriver plugin %s: %v", name, err) |
| } |
| return newPluginDriver(name, pl, config) |
| } |
| |
| func newPluginDriver(name string, pl plugingetter.CompatPlugin, config Options) (Driver, error) { |
| home := config.Root |
| if !pl.IsV1() { |
| if p, ok := pl.(*v2.Plugin); ok { |
| if p.PropagatedMount != "" { |
| home = p.PluginObj.Config.PropagatedMount |
| } |
| } |
| } |
| proxy := &graphDriverProxy{name, pl, Capabilities{}} |
| return proxy, proxy.Init(filepath.Join(home, name), config.DriverOptions, config.UIDMaps, config.GIDMaps) |
| } |
