Added logging to application

cookie_api/app.py

@@ -5,14 +5,18 @@ from apistar.frameworks.wsgi import WSGIApp as App
 from apistar.handlers import docs_urls, static_urls
 from apistar.interfaces import Router, Injector, Auth
 from apistar_jwt.authentication import JWTAuthentication
+import logbook
 
 from cookie_api.auth import auth_routes, auth_components
 from cookie_api.commands import commands
 from cookie_api.models import Cookie
 from cookie_api.schema import CookieSchema
+from cookie_api import logging
 
 cookie_schema = CookieSchema()
 
+logger = logbook.Logger('Cookies')
+
 @annotate(authentication=[JWTAuthentication()])
 def get_state(injector: Injector, auth: Auth):
     state = injector.state
@@ -23,6 +27,7 @@ def get_state(injector: Injector, auth: Auth):
 
 
 def get_cookies(session: Session):
+    logger.info("Accessing the Cookies resource")
     cookies = session.query(Cookie).all()
     return cookie_schema.dump(cookies, many=True).data
 
@@ -30,6 +35,7 @@ def get_cookies(session: Session):
 def get_cookie(session: Session, id):
     cookie = session.query(Cookie).filter_by(id=id).one_or_none()
     if cookie is None:
+        logger.warn("Someone keeps requesting bad cookie locations")
         msg = {"error": "404 Not Found"}
         return http.Response(msg, status=404)
     return cookie_schema.dump(cookie).data
@@ -67,7 +73,11 @@ routes = [
     Include('/static', static_urls)
 ]
 
-app_settings = {}
+app_settings = {
+    "LOGGING": {
+        "LEVEL": "DEBUG"
+    }
+}
 
 routes = routes + auth_routes
 
@@ -78,7 +88,11 @@ components = sqlalchemy_backend.components + auth_components
 
 def application_factory(settings={}):
     """Returns an instance of Cookie API"""
-    return App(settings={**app_settings, **settings},
+    _settings = {**app_settings, **settings}
+
+    logging.global_init(_settings)
+
+    return App(settings=_settings,
                commands=commands,
                components=components,
                routes=routes)

cookie_api/logging.py

@@ -0,0 +1,16 @@
+import sys
+import logbook
+
+
+def global_init(settings={}):
+    _logging_setting = settings.get("LOGGING", {"LEVEL": logbook.TRACE})
+
+    _log_file = _logging_setting.get("LOG_FILE")
+    _level = _logging_setting.get("LEVEL")
+
+    if _log_file is not None:
+        logbook.TimedRotatingFileHandler(_log_file, level=_level).push_application()
+    else:
+        logbook.StreamHandler(sys.stdout, level=_level).push_application()
+
+

wsgi.py

@@ -10,6 +10,10 @@ settings = {
     'RENDERERS': [JSONRenderer()],
     'JWT': {
         'SECRET': 'thisisasecret'
+    },
+    'LOGGING': {
+        "LOG_FILE": 'mylogfile.log',
+        "LEVEL": "DEBUG"
     }
 }