refactor: rm deadcode in storage/volume

storage/volume/core_util.go

@@ -1,7 +1,6 @@
 package volume
 
 import (
-	"fmt"
 	"path"
 
 	"github.com/alibaba/pouch/storage/volume/driver"
@@ -21,40 +20,3 @@ func (c *Core) volumePath(v *types.Volume, dv driver.Driver) (string, error) {
 
 	return p, nil
 }
-
-func checkVolume(v *types.Volume) error {
-	if v.Spec.ClusterID == "" || v.Status.Phase == types.VolumePhaseFailed {
-		err := fmt.Errorf("volume is created failed: %s", v.Name)
-		return err
-	} else if v.Status.Phase != types.VolumePhaseReady {
-		err := fmt.Errorf("volume is being creating: %s", v.Name)
-		return err
-	}
-
-	return nil
-}
-
-func checkOptions(v *types.Volume) error {
-	var (
-		driverOpts map[string]types.Option
-	)
-
-	dv, err := driver.Get(v.Spec.Backend)
-	if err != nil {
-		return errors.Errorf("failed to get backend driver %s: %v", v.Spec.Backend, err)
-	}
-
-	if opt, ok := dv.(driver.Opt); ok {
-		driverOpts = opt.Options()
-	}
-
-	if driverOpts != nil {
-		for name, opt := range driverOpts {
-			if _, ok := v.Spec.Extra[name]; !ok {
-				v.Spec.Extra[name] = opt.Value
-			}
-		}
-	}
-
-	return nil
-}

storage/volume/driver/types.go

@@ -13,10 +13,6 @@ type remoteVolumeRemoveReq struct {
 	Name string `json:"Name"`
 }
 
-type remoteVolumeRemoveResp struct {
-	Err string `json:"Err"`
-}
-
 type remoteVolumeMountReq struct {
 	Name string `json:"Name"`
 	ID   string `json:"ID"`

storage/volume/types/vars.go

@@ -1,12 +1,8 @@
 package types
 
 const (
-	defaultSize       = "100G"
 	defaultFileSystem = "ext4"
-	defaultMountpoint = "/mnt"
-	optionPath        = "mount"
 	optionSize        = "opt.size"
-	optionSifter      = "sifter"
 	optionFS          = "opt.fs"
 	optionWBps        = "opt.wbps"
 	optionRBps        = "opt.rbps"