Adds the option to customize the logging (#362)

amundsen_application/__init__.py

 import ast
 import importlib
 import logging
+import logging.config
 import os
 
 from flask import Flask
@@ -41,8 +42,12 @@ def create_app(config_module_class: str, template_folder: str = None) -> Flask:
 
     app.config.from_object(config_module_class)
 
-    logging.basicConfig(format=app.config.get('LOG_FORMAT'), datefmt=app.config.get('LOG_DATE_FORMAT'))
-    logging.getLogger().setLevel(app.config.get('LOG_LEVEL'))
+    if app.config.get('LOG_CONFIG_FILE'):
+        logging.config.fileConfig(app.config.get('LOG_CONFIG_FILE'), disable_existing_loggers=False)
+    else:
+        logging.basicConfig(format=app.config.get('LOG_FORMAT'), datefmt=app.config.get('LOG_DATE_FORMAT'))
+        logging.getLogger().setLevel(app.config.get('LOG_LEVEL'))
+
     logging.info('Created app with config name {}'.format(config_module_class))
     logging.info('Using metadata service at {}'.format(app.config.get('METADATASERVICE_BASE')))
     logging.info('Using search service at {}'.format(app.config.get('SEARCHSERVICE_BASE')))

amundsen_application/config.py

@@ -12,6 +12,12 @@ class Config:
                  + '%(threadName)s) - %(message)s'
     LOG_DATE_FORMAT = '%Y-%m-%dT%H:%M:%S%z'
     LOG_LEVEL = 'INFO'
+
+    # Path to the logging configuration file to be used by `fileConfig()` method
+    # https://docs.python.org/3.7/library/logging.config.html#logging.config.fileConfig
+    # LOG_CONFIG_FILE = 'amundsen_application/logging.conf'
+    LOG_CONFIG_FILE = None
+
     COLUMN_STAT_ORDER = None  # type: Dict[str, int]
 
     UNEDITABLE_SCHEMAS = set()  # type: Set[str]

setup.py

@@ -34,7 +34,7 @@ requirements_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'r
 with open(requirements_path) as requirements_file:
     requirements = requirements_file.readlines()
 
-__version__ = '1.2.0'
+__version__ = '1.2.1'
 
 
 setup(