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moby--moby/volume/drivers/adapter.go

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package volumedrivers
import "github.com/docker/docker/volume"
type volumeDriverAdapter struct {
name string
proxy *volumeDriverProxy
}
func (a *volumeDriverAdapter) Name() string {
return a.name
}
func (a *volumeDriverAdapter) Create(name string, opts map[string]string) (volume.Volume, error) {
err := a.proxy.Create(name, opts)
if err != nil {
return nil, err
}
return &volumeAdapter{
proxy: a.proxy,
name: name,
driverName: a.name}, nil
}
func (a *volumeDriverAdapter) Remove(v volume.Volume) error {
return a.proxy.Remove(v.Name())
}
func (a *volumeDriverAdapter) List() ([]volume.Volume, error) {
ls, err := a.proxy.List()
if err != nil {
return nil, err
}
var out []volume.Volume
for _, vp := range ls {
out = append(out, &volumeAdapter{
proxy: a.proxy,
name: vp.Name,
driverName: a.name,
eMount: vp.Mountpoint,
})
}
return out, nil
}
func (a *volumeDriverAdapter) Get(name string) (volume.Volume, error) {
v, err := a.proxy.Get(name)
if err != nil {
return nil, err
}
return &volumeAdapter{
proxy: a.proxy,
name: v.Name,
driverName: a.Name(),
eMount: v.Mountpoint,
}, nil
}
type volumeAdapter struct {
proxy *volumeDriverProxy
name string
driverName string
eMount string // ephemeral host volume path
}
type proxyVolume struct {
Name string
Mountpoint string
}
func (a *volumeAdapter) Name() string {
return a.name
}
func (a *volumeAdapter) DriverName() string {
return a.driverName
}
func (a *volumeAdapter) Path() string {
if len(a.eMount) > 0 {
return a.eMount
}
m, _ := a.proxy.Path(a.name)
return m
}
func (a *volumeAdapter) Mount() (string, error) {
var err error
a.eMount, err = a.proxy.Mount(a.name)
return a.eMount, err
}
func (a *volumeAdapter) Unmount() error {
return a.proxy.Unmount(a.name)
}