1 files changed, 58 insertions, 0 deletions
diff --git a/src/mqtt_node_util.py b/src/mqtt_node_util.py
new file mode 100755
index 0000000..674b60c
--- /dev/null
+++ b/src/mqtt_node_util.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+from typing import Optional
+from argparse import ArgumentParser, ArgumentError
+
+from home.config import config
+from home.mqtt import MqttNode, get_mqtt_modules, import_mqtt_module, MqttModule
+
+mqtt: Optional[MqttNode] = None
+
+
+def add_module(module: str) -> MqttModule:
+    module = import_mqtt_module(module)
+    if not hasattr(module, 'MODULE_NAME'):
+        raise RuntimeError(f'MODULE_NAME not found in module {m}')
+    cl = getattr(module, getattr(module, 'MODULE_NAME'))
+    instance = cl()
+    mqtt.add_module(instance)
+    return instance
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser()
+    parser.add_argument('--node-id', type=str, required=True)
+    parser.add_argument('--modules', type=str, choices=get_mqtt_modules(), nargs='*',
+                        help='mqtt modules to include')
+    parser.add_argument('--switch-relay', choices=[0, 1], type=int,
+                        help='send relay state')
+    parser.add_argument('--switch-relay-secret', type=str,
+                        help='secret password to switch relay')
+
+    config.load('mqtt_util', parser=parser)
+    arg = parser.parse_args()
+
+    if (arg.switch_relay is not None or arg.switch_relay_secret is not None) and 'relay' not in arg.modules:
+        raise ArgumentError(None, '--relay is only allowed when \'relay\' module included in --modules')
+
+    if (arg.switch_relay is not None and arg.switch_relay_secret is None) or (arg.switch_relay is None and arg.switch_relay_secret is not None):
+        raise ArgumentError(None, 'both --switch-relay and --switch-relay-secret are required')
+
+    mqtt = MqttNode(node_id=arg.node_id)
+
+    # must-have modules
+    add_module('ota')
+    add_module('diagnostics')
+
+    if arg.modules:
+        for m in arg.modules:
+            module_instance = add_module(m)
+            if m == 'relay' and arg.switch_relay is not None:
+                module_instance.switchpower(mqtt,
+                                            arg.switch_relay == 1,
+                                            arg.switch_relay_secret)
+
+    mqtt.configure_tls()
+    try:
+        mqtt.connect_and_loop()
+    except KeyboardInterrupt:
+        mqtt.disconnect()