can override config dir using environment variable; block while creating Tor hidden service in case Tor isn't quite ready; added logging

torch-pub.py

@@ -8,6 +8,7 @@ import json
 import configparser
 import argparse
 from datetime import datetime
+from os import environ
 
 parser = argparse.ArgumentParser(description='Broadcast SSH hidden service hostname via MQTT')
 
@@ -18,9 +19,14 @@ args = parser.parse_args()
 
 configPath = args.configPath
 
+if "TORCH_CONFIG_DIR" in environ:
+  configPath = environ.get("TORCH_CONFIG_DIR")
+
 if not configPath.endswith("/"):
   configPath = configPath + "/"
 
+print("Using torch configuration path: " + configPath)
+
 config = configparser.ConfigParser()
 config.read(configPath + "torch.conf")
 
@@ -51,12 +57,14 @@ with Controller.from_port(port = torControllerPort) as controller:
                        controller, 
                        protocolInfo.cookie_path)
   
-  service = controller.create_ephemeral_hidden_service(
-                             sshPort, 
-                             detached = True)
+  print("Connected to Tor on port %s" % (torControllerPort))
+
+  service = controller.create_ephemeral_hidden_service(sshPort)
 
   onionAddress = "%s.onion" % (service.service_id)
 
+  print("Created Tor Hidden Service for local port %s at %s" % (sshPort, onionAddress))
+
 payload = { 
   'clientId': clientID, 
   'timestamp': datetime.now().strftime("%d-%b-%Y (%H:%M:%S.%f)"), 
@@ -65,6 +73,7 @@ payload = {
   }
 
 client = mqtt.Client()
+protocol = "mqtt"
 
 if mqttRequireCertificate:
   client.tls_set(
@@ -72,6 +81,7 @@ if mqttRequireCertificate:
           certfile = mqttCertFile, 
           keyfile = mqttKeyFile, 
           cert_reqs=ssl.CERT_REQUIRED)
+  protocol = "mqtts"
 
 if mqttBrokerHost.endswith(".onion"):
   client.proxy_set(proxy_type=socks.SOCKS5, proxy_addr="localhost", proxy_port=torProxyPort)
@@ -79,4 +89,8 @@ if mqttBrokerHost.endswith(".onion"):
 
 client.connect(mqttBrokerHost, mqttBrokerPort, 60)
 client.publish(mqttTopic, json.dumps(payload))
+print("Connected to MQTT Broker at %s://%s:%s/%s" % (protocol, mqttBrokerHost, mqttBrokerPort, mqttTopic))
+print("Published payload: " + json.dumps(payload))
+
 client.disconnect()
+print("Disconnected from MQTT Broker")