Merge branch 'master' into noSleep

README.md

@@ -40,6 +40,7 @@ The easiest way to track your Raspberry Pi or Ubuntu computer system health and
 
 ## What is new
 
+* 2024-01-28: Improved error handling for the MQTT connection
 * 2024-01-28: Script version is displayed in home assistant device information
 * 2024-01-28: Update the script by calling it with command line argument --update
 * 2024-01-27: Now you can run the script as a service (systemd) or as a cron job

src/rpi-cpu2mqtt.py

@@ -150,7 +150,7 @@ def check_git_update(script_dir):
     except subprocess.CalledProcessError as e:
         print("Error updating git repository:", e.output)
 
-    if any(s in git_update for s in ('Your branch is up to date', 'Your branch is up-to-date')):
+    if any(s in git_update for s in ('Your branch is up to date', 'Your branch is up-to-date', 'Votre branche est à jour')):
         git_update = 'off'
     else:
         git_update = 'on'
@@ -300,14 +300,30 @@ def config_json(what_config):
     return json.dumps(data)
 
 
+def on_log(client, userdata, level, buf):
+    if level == paho.MQTT_LOG_ERR:
+        print("MQTT error: ", buf)
+
+def on_connect(client, userdata, flags, rc):
+    if rc != 0:
+        print("Error: Unable to connect to MQTT broker, return code:", rc)
+
+
 def publish_to_mqtt(cpu_load=0, cpu_temp=0, used_space=0, voltage=0, sys_clock_speed=0, swap=0, memory=0,
                     uptime_days=0, wifi_signal=0, wifi_signal_dbm=0, rpi5_fan_speed=0, git_update=False):
     # connect to mqtt server
     client = paho.Client(client_id="rpi-mqtt-monitor-" + hostname)
     client.username_pw_set(config.mqtt_user, config.mqtt_password)
-    client.connect(config.mqtt_host, int(config.mqtt_port))
+    client.on_log = on_log
-    client.loop_start()
+    client.on_connect = on_connect
 
+    try:
+        client.connect(config.mqtt_host, int(config.mqtt_port))
+    except Exception as e:
+        print("Error connecting to MQTT broker:", e)
+        return
+      
+    client.loop_start()
     # publish monitored values to MQTT
     if config.cpu_load:
         if config.discovery_messages:
@@ -382,10 +398,16 @@ def bulk_publish_to_mqtt(cpu_load=0, cpu_temp=0, used_space=0, voltage=0, sys_cl
     values = cpu_load, cpu_temp, used_space, voltage, int(sys_clock_speed), swap, memory, uptime_days, wifi_signal, wifi_signal_dbm, rpi5_fan_speed, git_update
     values = str(values)[1:-1]
 
-    # connect to mqtt server
     client = paho.Client(client_id="rpi-mqtt-monitor-" + hostname)
     client.username_pw_set(config.mqtt_user, config.mqtt_password)
-    client.connect(config.mqtt_host, int(config.mqtt_port))
+    client.on_log = on_log
+    client.on_connect = on_connect
+
+    try:
+        client.connect(config.mqtt_host, int(config.mqtt_port))
+    except Exception as e:
+        print("Error connecting to MQTT broker:", e)
+        return
 
     # publish monitored values to MQTT
     client.publish(config.mqtt_topic_prefix + "/" + hostname, values, qos=config.qos, retain=config.retain)

src/update.py

@@ -39,11 +39,11 @@ def display_config_differences(current_config, example_config, display=True):
     else:
         return False
 
-def update_config_version(version):
+def update_config_version(version, script_dir):
-    with open('config.py', 'r') as f:
+    with open(script_dir + '/config.py', 'r') as f:
         lines = f.readlines()
 
-    with open('config.py', 'w') as f:
+    with open(script_dir + '/config.py', 'w') as f:
         print(":: Updating config version to {}".format(version))
         for line in lines:
             if 'version = ' in line:
@@ -62,10 +62,10 @@ def do_update(version=config.version, git_update=True, config_update=True):
 
     if display_config_differences(script_dir + '/config.py', script_dir + '/config.py.example') and config_update:
         print(":: Updating config.py")
-        update_config(script_dir + 'config.py',script_dir + 'config.py.example')
+        update_config(script_dir + '/config.py',script_dir + '/config.py.example')
 
     if version != config.version:
-        update_config_version(version)
+        update_config_version(version, script_dir)
 
 
 if __name__ == '__main__':