refactor: use LoggerLevel enum

Author: mariuswinger

api/src/app.py

@@ -77,7 +77,7 @@ def run() -> None:
         port=5000,
         factory=True,
         reload=config.ENVIRONMENT == "local",
-        log_level=config.LOGGER_LEVEL.lower(),
+        log_level=config.log_level,
     )
 
 

api/src/common/logger.py

@@ -9,9 +9,9 @@
 uvicorn_logger = logging.getLogger("uvicorn")
 
 logger = logging.getLogger("API")
-logger.setLevel(config.LOGGER_LEVEL.upper())
+logger.setLevel(config.log_level.upper())
 formatter = logging.Formatter("%(levelname)s:%(asctime)s %(message)s")
 channel = logging.StreamHandler()
 channel.setFormatter(formatter)
-channel.setLevel(config.LOGGER_LEVEL.upper())
+channel.setLevel(config.log_level.upper())
 logger.addHandler(channel)

api/src/common/logger_level.py

@@ -0,0 +1,12 @@
+from enum import Enum
+
+
+class LoggerLevel(Enum):
+    """Enum containing the different levels for logging."""
+
+    CRITICAL = "critical"
+    ERROR = "error"
+    WARNING = "warning"
+    INFO = "info"
+    DEBUG = "debug"
+    TRACE = "trace"

api/src/config.py

@@ -2,14 +2,15 @@
 from pydantic_settings import BaseSettings
 
 from authentication.models import User
+from common.logger_level import LoggerLevel
 
 
 class Config(BaseSettings):
     # Pydantic-settings in pydantic v2 automatically fetch config settings from env-variables
     ENVIRONMENT: str = "local"
 
     # Logging
-    LOGGER_LEVEL: str = Field("INFO", validation_alias="LOGGING_LEVEL", to_lower=True)
+    LOGGER_LEVEL: LoggerLevel = Field(default=LoggerLevel.INFO)
     APPINSIGHTS_CONSTRING: str | None = None
 
     # Database
@@ -36,6 +37,11 @@ class Config(BaseSettings):
     OAUTH_AUDIENCE: str = ""
     MICROSOFT_AUTH_PROVIDER: str = "login.microsoftonline.com"
 
+    @property
+    def log_level(self) -> str:
+        """Returns LOGGER_LEVEL as a (lower case) string."""
+        return str(self.LOGGER_LEVEL.value).lower()
+
 
 config = Config()