AC-752 Update settings to support enabling celeryd using rabbitmq on upgrade, also support config files in /etc/awx/conf.d/.

awx/settings/development.py

@@ -2,21 +2,25 @@
 # All Rights Reserved.
 
 # Development settings for AWX project.
+
+# Python
+import sys
+import traceback
+
+# Django Split Settings
+from split_settings.tools import optional, include
+
+# Load default settings.
 from defaults import *
 
-# If a local_settings.py file is present in awx/settings/, use it to override
+# If any local_*.py files are present in awx/settings/, use them to override
 # default settings for development.  If not present, we can still run using
 # only the defaults.
 try:
-    local_settings_file = os.path.join(os.path.dirname(__file__),
-                                       'local_settings.py')
-    execfile(local_settings_file)
-    # Hack so that the autoreload will detect changes to local_settings.py.
-    class dummymodule(str):
-        __file__ = property(lambda self: self)
-    sys.modules['local_settings'] = dummymodule(local_settings_file)
-except IOError, e:
-    from django.core.exceptions import ImproperlyConfigured
-    if os.path.exists(local_settings_file):
-        msg = 'Unable to load %s: %s' % (local_settings_file, str(e))
-        raise ImproperlyConfigured(msg)
+    include(
+        optional('local_*.py'),
+        scope=locals(),
+    )
+except ImportError:
+    traceback.print_exc()
+    sys.exit(1)