Change production logging configuration:

- disable "Invalid HTTP_HOST" messages
 - separate error emails (rely on Sentry)

ojusomap/settings.py

@@ -263,14 +263,68 @@ LEAFLET_CONFIG = {
     },
 }
 
-# Sentry - Error Reporting
+# Error reporting & logging
 RAVEN_CONFIG = {
-    'dsn': os.getenv("RAVEN_DSN", 'https://296dda892e6e4838835a2330dd621569:10943d15104244d683fe5ccc0c898386@sentry.io/227480'),
+    'dsn': os.getenv("RAVEN_DSN", ''),
     # If you are using git, you can also automatically configure the
     # release based on the git info.
     'release': raven.fetch_git_sha(os.path.dirname(os.pardir)),
 }
 
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': True,
+    'root': {
+        'level': 'WARNING',
+        'handlers': ['sentry'],
+    },
+    'formatters': {
+        'verbose': {
+            'format': '%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s'
+        },
+    },
+    'handlers': {
+        'null': {
+            'level': 'DEBUG',
+            'class': 'logging.NullHandler',
+        },
+        'sentry': {
+            'level': 'ERROR',
+            'class': 'raven.contrib.django.raven_compat.handlers.SentryHandler',
+        },
+        'console': {
+            'level': 'DEBUG',
+            'class': 'logging.StreamHandler',
+            'formatter': 'verbose'
+        }
+    },
+    'loggers': {
+        # Silence SuspiciousOperation.DisallowedHost exception ('Invalid
+        # HTTP_HOST' header messages). Set the handler to 'null' so we don't
+        # get those annoying emails.
+        # https://www.calazan.com/how-to-disable-the-invalid-http_host-header-emails-in-django/
+        'django.security.DisallowedHost': {
+            'handlers': ['null'],
+            'propagate': False,
+        },
+        'django.db.backends': {
+            'level': 'ERROR',
+            'handlers': ['console'],
+            'propagate': False,
+        },
+        'raven': {
+            'level': 'DEBUG',
+            'handlers': ['console'],
+            'propagate': False,
+        },
+        'sentry.errors': {
+            'level': 'DEBUG',
+            'handlers': ['console'],
+            'propagate': False,
+        },
+    },
+}
+
 # Avatars
 AVATAR_GRAVATAR_DEFAULT = "mm"
 AVATAR_CLEANUP_DELETED = True