Drop DiskWiper and toy usage in StorageControllerAction

This isn't a very useful interface/api and I intend for Wiper to be
easier to use. The DiskWipe in StorageControllerAction was mostly
serving as an example but we already have multiple in examples/, so we
can drop this usage too.

actions/interface.go

@@ -6,7 +6,6 @@ import (
 	"github.com/bmc-toolbox/common"
 	"github.com/metal-toolbox/ironlib/model"
 	"github.com/metal-toolbox/ironlib/utils"
-	"github.com/sirupsen/logrus"
 )
 
 // DeviceManager interface is returned to the caller when calling ironlib.New()
@@ -200,8 +199,3 @@ type VirtualDiskManager interface {
 	VirtualDiskDestroyer
 	VirtualDisks(ctx context.Context) ([]*utils.MvcliDevice, error)
 }
-
-// DiskWiper defines an interface to override disk data
-type DiskWiper interface {
-	WipeDisk(ctx context.Context, log *logrus.Logger, logicalName string) error
-}

actions/storage_controller.go

@@ -76,33 +76,3 @@ func (s *StorageControllerAction) GetControllerUtility(vendorName, modelName str
 
 	return nil, errors.Wrap(ErrVirtualDiskManagerUtilNotIdentified, "vendor: "+vendorName+" model: "+modelName)
 }
-
-// GetWipeUtility returns the wipe utility based on the disk wipping features
-func (s *StorageControllerAction) GetWipeUtility(logicalName string) (DiskWiper, error) {
-	s.Logger.Tracef("%s | Detecting wipe utility", logicalName)
-	// TODO: use disk wipping features to return the best wipe utility, currently only one available
-
-	return utils.NewFillZeroCmd(s.trace), nil
-}
-
-func (s *StorageControllerAction) WipeDisk(ctx context.Context, log *logrus.Logger, logicalName string) error {
-	util, err := s.GetWipeUtility(logicalName)
-	if err != nil {
-		return err
-	}
-
-	// Watermark disk
-	// Before wiping the disk, we apply watermarks to later verify successful deletion
-	check, err := utils.ApplyWatermarks(logicalName)
-	if err != nil {
-		return err
-	}
-
-	// Wipe the disk
-	err = util.WipeDisk(ctx, log, logicalName)
-	if err != nil {
-		return err
-	}
-
-	return check()
-}