added network.py and some other changes

This will be used to control systemd-networkd via d-bus and runtime
configs and make things easier in implementing B.A.T.M.A.N. gateway support

naxalnet/config.py

@@ -170,6 +170,13 @@ def parse_args() -> Namespace:
         "-v", "--verbose", action="count", default=0, help="increase output verbosity"
     )
 
+    parser.add_argument(
+        "--glob-mesh-configs",
+        type=str,
+        default=config["globs"]["meshconfigs"],
+        help="glob matching filenames for mesh configuration",
+    )
+
     # logger.debug("Parsing arguments")
     return parser.parse_args()
 

naxalnet/default.py

@@ -31,6 +31,7 @@ CONFIG = {
         "confdir": "/usr/share/naxalnet/networkd",
         "runtimedir": "/run/systemd/network",
     },
+    "globs": {"meshconfigs": "mesh.*", "checkconfigs": "check.*"},
     "adhoc": {"name": "NxMesh"},
     "ap": {"ssid": "MeshWiFi", "passwd": "naxalnet256"},
 }

naxalnet/network.py

@@ -0,0 +1,45 @@
+# This file is part of naxalnet.
+# Copyright (C) 2021 The naxalnet Authors
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+network.py
+----------
+
+This submodule manages the systemd-networkd configuration.
+TODO: Add more details
+"""
+
+from pathlib import Path
+from shutil import copy
+from dasbus.connection import SystemMessageBus
+
+NETWORKD_BUS = "org.freedesktop.network1"
+NETWORKD_PATH = "/org/freedesktop/network1"
+
+
+def copy_glob(directory: str, glob: str, destination: str) -> None:
+    """copy files in directory matching the glob to destination"""
+    match = Path(directory).glob(glob)
+    for i in match:
+        copy(i, destination)
+
+
+class Networkd:
+    """control systemd-networkd"""
+
+    def __init__(self, bus=SystemMessageBus()):
+        self._bus = bus
+        self.proxy = self._bus.get_proxy(NETWORKD_BUS, NETWORKD_PATH)

naxalnet/scripts.py

@@ -138,7 +138,7 @@ def setup_devices():
         logger.error(REPORT_BUG_INFO)
         sys.exit(4)
     except:
-        logger.exception("An unknow error occured while setting up the mesh")
+        logger.exception("An unknown error occured while setting up the mesh")
         logger.error(REPORT_BUG_INFO)
         sys.exit(4)