96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
# Generated file from Alembic, modified portions copyright follows:
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import with_statement
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import logging
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from logging.config import fileConfig
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import os
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from alembic import context
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from oslo_config import cfg
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from sqlalchemy import engine_from_config, pool
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from deckhand.db.sqlalchemy import api as db_api
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from deckhand.db.sqlalchemy import models
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# this is the Alembic Config object, which provides
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# access to the values within the .ini file in use.
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config = context.config
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# Interpret the config file for Python logging.
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# This line sets up loggers basically.
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fileConfig(config.config_file_name)
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# Portions modified for Deckhand Specifics:
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# Set up and retrieve the config file for Deckhand. Sets up the oslo_config
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logger = logging.getLogger('alembic.env')
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CONF = cfg.CONF
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dirname = os.environ.get('DECKHAND_CONFIG_DIR', '/etc/deckhand').strip()
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config_files = [os.path.join(dirname, 'deckhand.conf')]
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CONF([], project='deckhand', default_config_files=config_files)
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logger.info("Database Connection: %s", CONF.database.connection)
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config.set_main_option('sqlalchemy.url', CONF.database.connection)
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models.register_models(db_api.get_engine(),
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CONF.database.connection)
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target_metadata = models.BASE.metadata
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# End Deckhand Specifics
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def run_migrations_offline():
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"""Run migrations in 'offline' mode.
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This configures the context with just a URL
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and not an Engine, though an Engine is acceptable
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here as well. By skipping the Engine creation
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we don't even need a DBAPI to be available.
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Calls to context.execute() here emit the given string to the
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script output.
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"""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url, target_metadata=target_metadata, literal_binds=True)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online():
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"""Run migrations in 'online' mode.
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In this scenario we need to create an Engine
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and associate a connection with the context.
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"""
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connectable = engine_from_config(
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config.get_section(config.config_ini_section),
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prefix='sqlalchemy.',
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poolclass=pool.NullPool)
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with connectable.connect() as connection:
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context.configure(
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connection=connection,
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target_metadata=target_metadata
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)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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