c18f592150
Also updates some of the structures being sent so plugins are getting all the new options. Signed-off-by: Brian Goff <cpuguy83@gmail.com>
43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
package graphdriver
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"path/filepath"
|
|
|
|
"github.com/docker/docker/pkg/plugingetter"
|
|
"github.com/docker/docker/plugin/v2"
|
|
)
|
|
|
|
type pluginClient interface {
|
|
// Call calls the specified method with the specified arguments for the plugin.
|
|
Call(string, interface{}, interface{}) error
|
|
// Stream calls the specified method with the specified arguments for the plugin and returns the response IO stream
|
|
Stream(string, interface{}) (io.ReadCloser, error)
|
|
// SendFile calls the specified method, and passes through the IO stream
|
|
SendFile(string, io.Reader, interface{}) error
|
|
}
|
|
|
|
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}
|
|
return proxy, proxy.Init(filepath.Join(home, name), config.DriverOptions, config.UIDMaps, config.GIDMaps)
|
|
}
|