[P] Add container logs printout on crash

agent/src/main.py

@@ -16,6 +16,8 @@ def connect_mqtt(broker, port):
             print("Failed to connect {broker}:{port}, return code %d\n", rc)
             exit(rc)  # Stop execution
 
+    logging.info(f"Acting as USER_ID = {config.USER_ID}")
+
     client = mqtt_client.Client()
     client.on_connect = on_connect
     client.connect(broker, port)
@@ -29,13 +31,14 @@ def publish(client, topic, datasource):
         data = datasource.read()
         msg = AggregatedDataSchema().dumps(data)
         result = client.publish(topic, msg)
-        logging.info(f"Published to {topic}: {msg[:50]}...")
+        logging.debug(f"Published to {topic}: {msg[:50]}...")
         status = result[0]
         if status != 0:
-            print(f"Failed to send message to topic {topic}")
+            logging.error(f"Failed to send message to topic {topic}")
 
 
 def run():
+    logging.basicConfig(level = logging.INFO)
     # Prepare mqtt client
     client = connect_mqtt(config.MQTT_BROKER_HOST, config.MQTT_BROKER_PORT)
     # Prepare datasource

utils/check-up.py

@@ -1,4 +1,5 @@
 import sys
+import os
 
 print("Checking for dead containers...")
 
@@ -14,6 +15,9 @@ for i in statuses:
     if not i[status_index:].startswith("Up "):
         service_name = i[name_index:]
         print(f"Crash detected in {service_name}")
+        print(f"docker logs for the container:\n")
+        os.system(f"docker logs {i.split(' ')[0]}")
+        print()
         exit_code = 1
 
 sys.exit(exit_code)