refactor(logging): enhance logging configuration and add TRACE level support

config.yaml.example

@@ -628,7 +628,7 @@ glass:
   cert_store_dir: "/etc/openhop_repeater/glass"
 
 logging:
-  # Log level: DEBUG, INFO, WARNING, ERROR
+  # Log level: TRACE, DEBUG, INFO, WARNING, ERROR
   level: INFO
 
   # Log format

repeater/config_manager.py

@@ -4,6 +4,8 @@ from typing import Any, Dict, List, Optional
 
 import yaml
 
+from repeater.logging_utils import normalize_log_level
+
 logger = logging.getLogger("ConfigManager")
 
 
@@ -192,6 +194,36 @@ class ConfigManager:
             logger.warning("Failed live HTTP config apply: %s", message)
         return success
 
+    def _apply_live_logging_config(self) -> bool:
+        if not self.daemon:
+            logger.warning("Daemon not available for logging live update")
+            return False
+
+        logging_cfg = self.config.get("logging", {}) if isinstance(self.config, dict) else {}
+        level = normalize_log_level(logging_cfg.get("level", "INFO"))
+
+        root_logger = logging.getLogger()
+        root_logger.setLevel(level)
+
+        repeater_logger = logging.getLogger("RepeaterDaemon")
+        repeater_logger.setLevel(level)
+
+        sx1262_logger = logging.getLogger("SX1262_wrapper")
+        sx1262_logger.setLevel(level)
+
+        mqtt_logger = logging.getLogger("MQTTHandler")
+        mqtt_logger.setLevel(level)
+
+        buffer = getattr(self.daemon, "_log_buffer", None)
+        if buffer is not None:
+            buffer.setLevel(level)
+
+        logger.info(
+            "Applied live logging config: level=%s",
+            logging.getLevelName(level) if isinstance(level, int) else level,
+        )
+        return True
+
     def save_to_file(self) -> bool:
         """
         Save current config to YAML file.
@@ -240,7 +272,16 @@ class ConfigManager:
 
             # Default sections to update if not specified
             if sections is None:
-                sections = ["repeater", "delays", "radio", "acl", "identities", "glass", "http"]
+                sections = [
+                    "repeater",
+                    "delays",
+                    "radio",
+                    "acl",
+                    "identities",
+                    "glass",
+                    "http",
+                    "logging",
+                ]
 
             # Update each section
             for section in sections:
@@ -306,6 +347,9 @@ class ConfigManager:
             if "http" in sections:
                 live_update_ok = self._apply_live_http_config() and live_update_ok
 
+            if "logging" in sections:
+                live_update_ok = self._apply_live_logging_config() and live_update_ok
+
             return live_update_ok
 
         except Exception as e:

repeater/logging_utils.py

@@ -0,0 +1,27 @@
+import logging
+from typing import Any
+
+TRACE_LEVEL = 5
+logging.addLevelName(TRACE_LEVEL, "TRACE")
+
+
+def normalize_log_level(level: Any) -> int:
+    if isinstance(level, int):
+        return level
+    if not isinstance(level, str):
+        return logging.INFO
+
+    level_name = level.strip().upper()
+    if not level_name:
+        return logging.INFO
+    if level_name == "TRACE":
+        return TRACE_LEVEL
+
+    resolved = getattr(logging, level_name, None)
+    if isinstance(resolved, int):
+        return resolved
+
+    try:
+        return int(level_name)
+    except ValueError:
+        return logging.INFO

repeater/main.py

@@ -36,6 +36,7 @@ from repeater.packet_router import PacketRouter
 from repeater.sensors import SensorManager
 from repeater.utils_packet import create_scoped_advert_packet
 from repeater.web.http_server import HTTPStatsServer, _log_buffer
+from repeater.logging_utils import normalize_log_level
 
 from openhop_core.companion.radio_capabilities import resolve_max_tx_power_dbm
 from openhop_core.protocol.constants import PAYLOAD_TYPE_RAW_CUSTOM
@@ -115,14 +116,14 @@ class RepeaterDaemon:
         self.radio_status = "unknown"
         self.radio_error = None
 
-        log_level = config.get("logging", {}).get("level", "INFO")
+        log_level = normalize_log_level(config.get("logging", {}).get("level", "INFO"))
         logging.basicConfig(
-            level=getattr(logging, log_level),
+            level=log_level,
             format=config.get("logging", {}).get("format"),
         )
 
         root_logger = logging.getLogger()
-        _log_buffer.setLevel(getattr(logging, log_level))
+        _log_buffer.setLevel(log_level)
         root_logger.addHandler(_log_buffer)
 
     def _configured_identity_specs(self, identity_type: str) -> list[IdentitySpec]: