Application Deletion will show what will be deleted

cmd/application.go

@@ -76,6 +76,11 @@ var applicationDeleteCmd = &cobra.Command{
 		client := getOcClient()
 		appName := args[0]
 		var confirmDeletion string
+		// Project
+		currentProject := project.GetCurrent(client)
+		// Print App Information which will be deleted
+		err := printDeleteAppInfo(client, appName, currentProject)
+		checkError(err, "")
 
 		if applicationForceDeleteFlag {
 			confirmDeletion = "y"

cmd/utils.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/pkg/errors"
+	"github.com/redhat-developer/odo/pkg/component"
+	"github.com/redhat-developer/odo/pkg/occlient"
+)
+
+// printDeleteAppInfo will print things which will be deleted
+func printDeleteAppInfo(client *occlient.Client, appName string, currentProject string) error {
+	componentList, err := component.List(client, appName, currentProject)
+	if err != nil {
+		return errors.Wrap(err, "failed to get Component list")
+	}
+
+	for _, cmpnt := range componentList {
+		_, _, componentURL, appStore, err := component.GetComponentDesc(client, cmpnt.Name, appName, currentProject)
+		if err != nil {
+			return errors.Wrap(err, "unable to get component description")
+		}
+		fmt.Println("Component", cmpnt.Name, "will be deleted.")
+
+		if len(componentURL) != 0 {
+			fmt.Println("  This component is externally exposed, and the URL will be removed")
+		}
+
+		for _, store := range appStore {
+			fmt.Println("  This Component uses storage", store.Name, "of size", store.Size, "will be removed")
+		}
+
+	}
+	return nil
+}