fix detection and handling of the host-network flag

docker_dev_start.py

@@ -243,9 +243,10 @@
     network_group.add_argument(
         '--host-network',
         help="Use host network [default: %(default)s]",
-        action='store_false',
+        action='store_true',
+        default=True,
     )
     network_group.add_argument(
         '--docker-network',
         help=("Use docker network (works better with"
               " python-netifaces installed) [default: %(default)s]"),
@@ -247,9 +248,11 @@
     )
     network_group.add_argument(
         '--docker-network',
         help=("Use docker network (works better with"
               " python-netifaces installed) [default: %(default)s]"),
-        action='store_true',
+        action='store_false',
+        dest='host_network',
+        default=False,
     )
     parser.add_argument(
         '--no-dev',
@@ -323,6 +326,7 @@
     db_user = nmspc.db_user
     db_password = nmspc.db_password
     use_host_network = nmspc.host_network
+    _logger.debug('Use host network: %s', str(use_host_network))
     start_postgresql = nmspc.start_postgresql
     run_flake8 = nmspc.flake8
     run_isort = nmspc.isort
@@ -854,6 +858,7 @@
     ):
         _logger.debug('%s Container already running', fusion_name)
         remove_and_stop(docker_client, fusion_name)
+    # TODO handle --host-network option
     port_bindings = {8765: host_fusion_port}
     host_config = docker_client.create_host_config(
         binds=[],