add mysqltasks and pgsqltasks with placeholders for the real tasks

gnuviechadmin/mysqltasks/__init__.py

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+"""
+This module contains :py:mod:`mysqltasks.tasks`.
+
+"""

gnuviechadmin/mysqltasks/models.py

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+"""
+Empty models to make Django accept mysqltasks as an app.
+
+"""

gnuviechadmin/mysqltasks/tasks.py

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+"""
+This module defines Celery_ tasks to manage MySQL users and databases.
+
+"""
+from __future__ import absolute_import
+
+from celery import shared_task
+
+
+@shared_task
+def create_mysql_user(username, password):
+    """
+    This task creates a new MySQL user.
+
+    :param str username: the user name
+    :param str password: the password
+    :return: the created user's name
+    :rtype: str
+
+    """
+
+
+@shared_task
+def set_mysql_userpassword(username, password):
+    """
+    Set a new password for an existing MySQL user.
+
+    :param str username: the user name
+    :param str password: the password
+    :return: True if the password could be set, False otherwise
+    :rtype: boolean
+
+    """
+
+
+@shared_task
+def delete_mysql_user(username):
+    """
+    This task deletes an existing MySQL user.
+
+    :param str username: the user name
+    :return: True if the user has been deleted, False otherwise
+    :rtype: boolean
+
+    """
+
+
+@shared_task
+def create_mysql_database(dbname, username):
+    """
+    This task creates a new MySQL database for the given MySQL user.
+
+    :param str dbname: database name
+    :param str username: the user name of an existing MySQL user
+    :return: the database name
+    :rtype: str
+
+    """
+
+
+@shared_task
+def delete_mysql_database(dbname, username):
+    """
+    This task deletes an existing MySQL database and revokes privileges of the
+    given user on that database.
+
+    :param str dbname: database name
+    :param str username: the user name of an existing MySQL user
+    :return: True if the database has been deleted, False otherwise
+    :rtype: boolean
+
+    """