Use image constructor in client

Replace manual image struct creation with the image
constructor which is there to do just that.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>

client.go

@@ -449,10 +449,7 @@ func (c *Client) GetImage(ctx context.Context, ref string) (Image, error) {
 	if err != nil {
 		return nil, err
 	}
-	return &image{
-		client: c,
-		i:      i,
-	}, nil
+	return NewImage(c, i), nil
 }
 
 // ListImages returns all existing images
@@ -463,10 +460,7 @@ func (c *Client) ListImages(ctx context.Context, filters ...string) ([]Image, er
 	}
 	images := make([]Image, len(imgs))
 	for i, img := range imgs {
-		images[i] = &image{
-			client: c,
-			i:      img,
-		}
+		images[i] = NewImage(c, img)
 	}
 	return images, nil
 }

container.go

@@ -173,10 +173,7 @@ func (c *container) Image(ctx context.Context) (Image, error) {
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to get image %s for container", r.Image)
 	}
-	return &image{
-		client: c.client,
-		i:      i,
-	}, nil
+	return NewImage(c.client, i), nil
 }
 
 func (c *container) NewTask(ctx context.Context, ioCreate cio.Creator, opts ...NewTaskOpts) (_ Task, err error) {

import.go

@@ -80,10 +80,7 @@ func (c *Client) Import(ctx context.Context, importer images.Importer, reader io
 			imgrec = updated
 		}
 
-		images = append(images, &image{
-			client: c,
-			i:      imgrec,
-		})
+		images = append(images, NewImage(c, imgrec))
 	}
 	return images, nil
 }

task.go

@@ -458,10 +458,7 @@ func (t *task) Checkpoint(ctx context.Context, opts ...CheckpointTaskOpts) (Imag
 	if im, err = t.client.ImageService().Create(ctx, im); err != nil {
 		return nil, err
 	}
-	return &image{
-		client: t.client,
-		i:      im,
-	}, nil
+	return NewImage(t.client, im), nil
 }
 
 // UpdateTaskInfo allows updated specific settings to be changed on a task