Use --behave-param instead of --behave-opts

openappstack/__main__.py

@@ -182,8 +182,10 @@ def main():  # pylint: disable=too-many-statements,too-many-branches,too-many-lo
         action='store_true',
         help=('Run behave in headless mode'))
     test_parser.add_argument(
-        '--behave-opts',
-        nargs='+',
+        '--behave-param',
+        metavar=['PARAM[=VALUE]'],
+        action='append',
+        nargs=1,
         default=[],
         help=('Pass additional behave options (like "-D browser=firefox"'))
 
@@ -331,9 +333,14 @@ def test(clus, args):
         for tag in args.behave_tags:
             log.info(command)
             command.append('-t {tag}'.format(tag=tag))
-        for opt in args.behave_opts:
-            log.info(command)
-            command.append(opt)
+        if args.behave_param:
+            for param in args.behave_param:
+                if len(param) > 1:
+                    log.warning('More than 1 parameter. Ignoring the rest! '
+                                'Use --behave-param several times to supply '
+                                'more than 1 parameter')
+                param = param[0]
+                command.append(param)
         log.info('Running behave command %s', command)
         return_code = behave_main(command)