Merge pull request 'Verbessertes Logging' (!64) from Brain/ki-backend:fix-logging into main

Reviewed-on: #64

app.py

@@ -8,7 +8,6 @@ import os
 from dotenv import load_dotenv, find_dotenv
 from flask import Flask
 from flask_cors import CORS
-from flask.logging import default_handler
 from flask_migrate import Migrate
 from flask_sqlalchemy import SQLAlchemy
 from ldap3.utils.log import logger as ldap3_logger
@@ -17,13 +16,15 @@ from ldap3.utils.log import set_library_log_detail_level, BASIC
 load_dotenv(find_dotenv())
 
 app = Flask(__name__)
+
+# Configure logging
 loglevel = os.getenv("KI_LOGLEVEL", logging.WARNING)
 loglevel = int(loglevel)
 app.logger.setLevel(loglevel)
-logging.basicConfig(level=loglevel)
-
-set_library_log_detail_level(BASIC)
-ldap3_logger.addHandler(default_handler)
+app.logger.propagate = False # do not forward messages to the root logger
+logging.basicConfig(level=loglevel, format='[%(asctime)s] %(levelname)s [%(name)s] %(message)s') # configure root logger as fallback
+logging.getLogger('werkzeug').propagate = False # werkzeug has its own ColorStreamHandler
+set_library_log_detail_level(BASIC) # ldap3 has different verbosity levels internally
 
 app.config["SQLALCHEMY_DATABASE_URI"] = os.getenv("SQLALCHEMY_DATABASE_URI")
 app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
@@ -40,6 +41,6 @@ CORS(app)
 db = SQLAlchemy(app)
 migrate = Migrate(app, db, compare_type=True)
 
-logging.debug("Hello from KI")
+app.logger.info("Hello from KI")
 
 from ki import module  # noqa

ki/actions/seed.py

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 import csv
-import logging
 
 from app import app, db
 from ki.models import Address, Contact, ContactType, Language, Skill, Profile, ProfileLanguage, ProfileSearchtopic, \
@@ -13,7 +12,7 @@ from ki.models import Address, Contact, ContactType, Language, Skill, Profile, P
 def seed_contacttypes():
     contacttypes_seed_file_path = app.config["KI_DATA_DIR"] + "/seed_data/contacttypes.csv"
 
-    logging.info("importing contacttypes")
+    app.logger.info("importing contacttypes")
 
     with open(contacttypes_seed_file_path) as file:
         csv_reader = csv.DictReader(file)

migrations/alembic.ini

@@ -1,50 +0,0 @@
-# A generic, single database configuration.
-
-[alembic]
-# template used to generate migration files
-# file_template = %%(rev)s_%%(slug)s
-
-# set to 'true' to run the environment during
-# the 'revision' command, regardless of autogenerate
-# revision_environment = false
-
-
-# Logging configuration
-[loggers]
-keys = root,sqlalchemy,alembic,flask_migrate
-
-[handlers]
-keys = console
-
-[formatters]
-keys = generic
-
-[logger_root]
-level = WARN
-handlers = console
-qualname =
-
-[logger_sqlalchemy]
-level = WARN
-handlers =
-qualname = sqlalchemy.engine
-
-[logger_alembic]
-level = INFO
-handlers =
-qualname = alembic
-
-[logger_flask_migrate]
-level = INFO
-handlers =
-qualname = flask_migrate
-
-[handler_console]
-class = StreamHandler
-args = (sys.stderr,)
-level = NOTSET
-formatter = generic
-
-[formatter_generic]
-format = %(levelname)-5.5s [%(name)s] %(message)s
-datefmt = %H:%M:%S

migrations/env.py

@@ -11,9 +11,6 @@ from alembic import context
 # access to the values within the .ini file in use.
 config = context.config
 
-# Interpret the config file for Python logging.
-# This line sets up loggers basically.
-fileConfig(config.config_file_name)
 logger = logging.getLogger('alembic.env')
 
 # add your model's MetaData object here