func (d *VolumeDriver) Path(w http.ResponseWriter, r *http.Request) {
req, err := util.JSONDecode(r)
if err != nil {
util.JSONResponse(w, map[string]interface{}{"Err": err})
return
}
log.Printf("Path request: %v\n", req)
name := req["Name"].(string)
if v, ok := d.volumes[name]; ok {
util.JSONResponse(w, map[string]interface{}{"Mountpoint": v.path, "Err": nil})
} else {
util.JSONResponse(w, map[string]interface{}{"Err": fmt.Errorf("volume %v not found", name)})
}
}
func (d *VolumeDriver) Create(w http.ResponseWriter, r *http.Request) {
req, err := util.JSONDecode(r)
if err != nil {
util.JSONResponse(w, map[string]interface{}{"Err": err})
return
}
log.Printf("Create request: %v\n", req)
name := req["Name"].(string)
if _, found := d.volumes[name]; found {
log.Println("volume %s already exists\n", name)
util.JSONResponse(w, map[string]interface{}{"Err": nil})
return
}
path := d.getPath(name)
log.Println("creating volume path: %s\n", name)
if err := os.MkdirAll(path, 0755); err != nil {
if os.IsExist(err) {
util.JSONResponse(w, map[string]interface{}{"Err": fmt.Errorf("volume already exists under %s", filepath.Dir(path))})
return
}
util.JSONResponse(w, map[string]interface{}{"Err": err})
return
}
d.volumes[name] = &volume{
name: name,
path: path,
}
d.watcher.Add(path)
util.JSONResponse(w, map[string]interface{}{"Err": nil})
}
func (d *VolumeDriver) Remove(w http.ResponseWriter, r *http.Request) {
req, err := util.JSONDecode(r)
if err != nil {
util.JSONResponse(w, map[string]interface{}{"Err": err})
return
}
log.Printf("Remove request: %v\n", req)
name := req["Name"].(string)
v, found := d.volumes[name]
if !found {
util.JSONResponse(w, map[string]interface{}{"Err": fmt.Errorf("Volume %s not found", name)})
return
}
realPath, err := filepath.EvalSymlinks(v.path)
if err != nil {
if !os.IsNotExist(err) {
util.JSONResponse(w, map[string]interface{}{"Err": err})
return
}
realPath = filepath.Dir(v.path)
}
if !d.scopedPath(realPath) {
util.JSONResponse(w, map[string]interface{}{"Err": fmt.Errorf("Unable to remove a directory of out the Docker root %s: %s", d.base, realPath)})
return
}
if err := removePath(realPath); err != nil {
util.JSONResponse(w, map[string]interface{}{"Err": err})
return
}
d.watcher.Remove(v.path)
delete(d.volumes, v.name)
if err = removePath(filepath.Dir(v.path)); err != nil {
util.JSONResponse(w, map[string]interface{}{"Err": err})
} else {
util.JSONResponse(w, map[string]interface{}{"Err": nil})
}
}
func (d *VolumeDriver) Unmount(w http.ResponseWriter, r *http.Request) {
req, err := util.JSONDecode(r)
log.Printf("Unmount request: %v\n", req)
util.JSONResponse(w, map[string]interface{}{"Err": err})
}