fix service by adding env variables to make update work properly (#80)

install.sh

@@ -73,7 +73,11 @@ create_venv(){
 
   # Activate the virtual environment
   source rpi_mon_env/bin/activate
-  python=$(which python)
+  if [[ $(python3 --version)  ]]; then 
+    python=$(which python3)
+  else
+    python=$(which python)
+  fi
   print_green "+ Activated virtual environment"
 }
 
@@ -173,6 +177,8 @@ set_service(){
   sudo sed -i "s|WorkingDirectory=.*|WorkingDirectory=${cwd}|" /etc/systemd/system/rpi-mqtt-monitor.service
   sudo sed -i "s|User=YOUR_USER|User=root|" /etc/systemd/system/rpi-mqtt-monitor.service
   sudo sed -i "s|ExecStart=.*|ExecStart=${exec_start}|" /etc/systemd/system/rpi-mqtt-monitor.service
+  home_dir=$(eval echo ~$user)
+  sudo sed -i "s|Environment=\"HOME=/home/username\"|Environment=\"HOME=${home_dir}\"|" /etc/systemd/system/rpi-mqtt-monitor.service
   sudo systemctl daemon-reload
   sudo systemctl enable rpi-mqtt-monitor.service
   sudo systemctl start rpi-mqtt-monitor.service

rpi-mqtt-monitor.service

@@ -5,6 +5,7 @@ Wants=network-online.target
 
 [Service]
 ExecStart=/home/username/git/rpi-mqtt-monitor/rpi_mon_env/bin/python /home/username/git/rpi-mqtt-monitor/src/rpi-cpu2mqtt.py --service
+Environment="HOME=/home/username"
 WorkingDirectory=/home/username/git/rpi-mqtt-monitor/
 StandardOutput=inherit
 StandardError=inherit

src/rpi-cpu2mqtt.py

@@ -16,7 +16,7 @@ import argparse
 import threading
 import update
 import config
-
+import logging
 
 # get device host name - used in mqtt topic
 hostname = socket.gethostname()
@@ -148,6 +148,7 @@ def get_manufacturer():
 
 def check_git_update(script_dir):
     remote_version = update.check_git_version_remote(script_dir)
+    logging.info("git_update value:" + remote_version)
     if config.version == remote_version:
         git_update = {
                     "installed_ver": config.version,
@@ -352,17 +353,18 @@ def create_mqtt_client():
 
 
 def publish_update_status_to_mqtt(git_update):
-
+    
     client = create_mqtt_client()
     if client is None:
         print("Error: Unable to connect to MQTT broker")
-      
+        return
+    
     client.loop_start()
     if config.git_update:
         if config.discovery_messages:
             client.publish("homeassistant/binary_sensor/" + config.mqtt_topic_prefix + "/" + hostname + "_git_update/config",
                            config_json('git_update'), qos=config.qos)
-        client.publish(config.mqtt_topic_prefix + "/" + hostname + "/git_update", git_update, qos=config.qos, retain=config.retain)
+        client.publish(config.mqtt_topic_prefix + "/" + hostname + "/git_update", git_update, qos=1, retain=config.retain)
     
     if config.update:
         if config.discovery_messages:
@@ -610,7 +612,7 @@ exit_flag = False
 stop_event = threading.Event()
 script_dir = os.path.dirname(os.path.realpath(__file__))
 if __name__ == '__main__':
-    
+    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
     args = parse_arguments();
 
     if args.service:
@@ -629,14 +631,14 @@ if __name__ == '__main__':
         client.loop_start()  # Start the MQTT client loop in a new thread
         # Start the gather_and_send_info function in a new thread
         thread1 = threading.Thread(target=gather_and_send_info)
-        thread1.daemon = True  # Set the daemon attribute to True
+        # thread1.daemon = True  # Set the daemon attribute to True
         thread1.start()
 
 
         if config.update:
             # Start the update_status function in a new thread
             thread2 = threading.Thread(target=update_status)
-            thread2.daemon = True  # Set the daemon attribute to True
+            # thread2.daemon = True  # Set the daemon attribute to True
             thread2.start()
 
         # Check the exit flag in the main thread

src/update.py

@@ -2,6 +2,7 @@ import ast
 import os
 import subprocess
 import config
+import logging
 
 def get_assignments(filename):
     with open(filename) as f:
@@ -54,9 +55,10 @@ def check_git_version_remote(script_dir):
         result = subprocess.Popen(full_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()[0].decode("utf-8")
     except subprocess.CalledProcessError as e:
         print("Error: {}".format(e))
-        return "0"
+        return config.version
     
     latest_tag = result.strip()
+    logging.info("git update:" + result + script_dir)
     return latest_tag if latest_tag else "0"