add Celery application and settings

gvapgsql/gvapgsql/celery.py

@@ -0,0 +1,15 @@
+"""
+This module defines the Celery_ app for gvapgsql.
+
+.. _Celery: http://www.celeryproject.org/
+
+"""
+from __future__ import absolute_import
+
+from celery import Celery
+
+#: The Celery application
+app = Celery('gvapgsql')
+
+app.config_from_object('gvapgsql.settings')
+app.autodiscover_tasks(['pgsqltasks'], force=True)

gvapgsql/gvapgsql/settings.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+# pymode:lint_ignore=E501
+"""
+Common settings and globals.
+
+"""
+
+from os import environ
+
+
+def get_env_setting(setting):
+    """
+    Get the environment setting or return exception.
+
+    :param str setting: name of an environment setting
+    :raises ImproperlyConfigured: if the environment setting is not defined
+    :return: environment setting value
+    :rtype: str
+    """
+    try:
+        return environ[setting]
+    except KeyError:
+        error_msg = "Set the %s env variable" % setting
+        raise AssertionError(error_msg)
+
+
+########## CELERY CONFIGURATION
+CELERY_TIMEZONE = 'Europe/Berlin'
+CELERY_ENABLE_UTC = True
+CELERY_RESULT_BACKEND = 'amqp'
+CELERY_RESULT_PERSISTENT = True
+CELERY_TASK_RESULT_EXPIRES = None
+CELERY_ROUTES = (
+    'gvacommon.celeryrouters.GvaRouter',
+)
+CELERY_ACCEPT_CONTENT = ['json']
+CELERY_TASK_SERIALIZER = 'json'
+CELERY_RESULT_SERIALIZER = 'json'
+BROKER_URL = get_env_setting('GVAPGSQL_BROKER_URL')
+########## END CELERY CONFIGURATION
+
+########## GVAPGSQL CONFIGURATION
+GVAPGSQL_DBADMIN_HOST = get_env_setting('GVAPGSQL_DBADMIN_HOST')
+GVAPGSQL_DBADMIN_PORT = int(get_env_setting('GVAPGSQL_DBADMIN_PORT'))
+GVAPGSQL_DBADMIN_USER = get_env_setting('GVAPGSQL_DBADMIN_USER')
+GVAPGSQL_DBADMIN_PASSWORD = get_env_setting('GVAPGSQL_DBADMIN_PASSWORD')
+########## END GVAPGSQL CONFIGURATION