Add manager script to initialise database tables

Change-Id: I9f31ad216da2e3517dbaade34b1c9bb530893904

atmosphere/manage.py

@@ -0,0 +1,47 @@
+# Copyright 2021 BBC.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Manage
+
+"""
+
+import os
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_script import Manager
+from flask_migrate import Migrate, MigrateCommand
+
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+if app.config.get('SQLALCHEMY_DATABASE_URI') is None:
+    app.config['SQLALCHEMY_DATABASE_URI'] = \
+            os.environ.get('DATABASE_URI', 'sqlite:///:memory:')
+
+MIGRATION_DIR = os.path.join(os.path.dirname(__file__), 'migrations')
+
+db = SQLAlchemy(app)
+migrate = Migrate(app, db, directory=MIGRATION_DIR)
+
+manager = Manager(app)
+manager.add_command('db', MigrateCommand)
+
+
+def main():
+    """main"""
+    manager.run()
+
+
+if __name__ == '__main__':
+    main()

requirements.txt

@@ -6,3 +6,4 @@ keystonemiddleware
 python-dateutil
 PyMySQL
 sentry-sdk[flask]
+Flask-Script

setup.cfg

@@ -6,6 +6,8 @@ packages =
     atmosphere
 
 [entry_points]
+console_scripts =
+    atmosphere-manage = atmosphere.manage:main
 wsgi_scripts =
     atmosphere-ingress-wsgi = atmosphere.api.ingress:init_application
     atmosphere-usage-wsgi = atmosphere.api.usage:init_application