show images details the same as the VMs

README.md

@@ -129,9 +129,10 @@ $ vermin create ubuntu/focal ~/sample.sh -cpus 1 -mem 512
 To get list of all available images use:
 ```shell script
 $ vermin images
-alpine/3.11		    (cached)
-centos/8		    (cached)
-ubuntu/focal
+IMAGE NAME               CACHED              DISK
+centos/8                 true                0.8GB
+ubuntu/focal             true                1.1GB
+alpine/3.11
 ```
 > The *cached* flag means, the image has been already downloaded and cached before.
 

images/cached.go

@@ -17,7 +17,7 @@ func Remove(imageName string) error {
 		return errors.New("Image not found")
 	}
 
-	if err := os.RemoveAll(db.ImagesDir + string(os.PathSeparator) + imageName + ova); err != nil {
+	if err := os.RemoveAll(db.GetImageFilePath(imageName)); err != nil {
 		return err
 	}
 

images/images.go

@@ -1,5 +1,16 @@
 package images
 
+import (
+	"fmt"
+	"github.com/mhewedy/vermin/db"
+	"os"
+)
+
+var (
+	format = "%-25s%-20s%-10s\n"
+	header = fmt.Sprintf(format, "IMAGE NAME", "CACHED", "DISK")
+)
+
 func List() ([]string, error) {
 	list, err := list(false)
 	if err != nil {
@@ -19,12 +30,15 @@ func Display(purgeCache bool) (string, error) {
 		return "", err
 	}
 
-	var result string
+	result := header
+
 	for i := range list {
 		if list[i].cached {
-			result += list[i].name + "\t\t(cached)\n"
+			stat, _ := os.Stat(db.GetImageFilePath(list[i].name))
+			result += fmt.Sprintf(format, list[i].name, "true",
+				fmt.Sprintf("%.1fGB", float64(stat.Size())/(1042*1024*1024.0)))
 		} else {
-			result += list[i].name + "\n"
+			result += fmt.Sprintf(format, list[i].name, "", "")
 		}
 	}
 	return result, nil