[cherry-pick] Update flags: --username, --password to --username=, --password= (#1435)

* Update flags: `--username`, `--password` to `--username=`, `--password=`

/cherry-pick

Signed-off-by: Emruz Hossain <emruz@appscode.com>

* Fix cherrypick

Signed-off-by: hmsayem <hmsayem@appscode.com>

Co-authored-by: Emruz Hossain <emruz@appscode.com>
Co-authored-by: hmsayem <hmsayem@appscode.com>

Author: 3 people

pkg/backup.go

@@ -357,8 +357,8 @@ func (opt *mongoOptions) backupMongoDB(targetRef api_v1beta1.TargetRef) (*restic
 
 	} else {
 		userAuth := []interface{}{
-			"--username", string(appBindingSecret.Data[MongoUserKey]),
-			"--password", string(appBindingSecret.Data[MongoPasswordKey]),
+			fmt.Sprintf("--username=%s", appBindingSecret.Data[MongoUserKey]),
+			fmt.Sprintf("--password=%s", appBindingSecret.Data[MongoPasswordKey]),
 			"--authenticationDatabase", opt.authenticationDatabase,
 		}
 		mongoCreds = append(mongoCreds, userAuth...)

pkg/restore.go

@@ -288,8 +288,8 @@ func (opt *mongoOptions) restoreMongoDB(targetRef api_v1beta1.TargetRef) (*resti
 
 	} else {
 		userAuth := []interface{}{
-			"--username", string(appBindingSecret.Data[MongoUserKey]),
-			"--password", string(appBindingSecret.Data[MongoPasswordKey]),
+			fmt.Sprintf("--username=%s", appBindingSecret.Data[MongoUserKey]),
+			fmt.Sprintf("--password=%s", appBindingSecret.Data[MongoPasswordKey]),
 			"--authenticationDatabase", opt.authenticationDatabase,
 		}
 		mongoCreds = append(mongoCreds, userAuth...)