drydock/alembic/env.py
Sergiy Markin d00eaf0303 Drydock focal related upgrades
This PS implements the following changes:
- switches freeze approach to requirements-direct.txt and
  requirements-frozen.txt files
- adjusts code tabulation style according to  yapf recommendations
- replaces deprecated usage of responce.body attribute with
  responce.text
- fixes integration tests in controlled by Makefile + tox
- uplifts Helm to v3.9.4

Change-Id: I751db72eb8f670825382f11a36657112faeb169a
2023-04-26 22:32:49 +00:00

77 lines
2.2 KiB
Python

"""Alembic database creation and upgrades."""
import os
from alembic import context
from sqlalchemy import engine_from_config, pool
from logging.config import fileConfig
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
# Interpret the config file for Python logging.
# This line sets up loggers basically.
fileConfig(config.config_file_name)
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
target_metadata = None
# other values from the config, defined by the needs of env.py,
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
def run_migrations_offline():
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an Engine, though an Engine is acceptable
here as well. By skipping the Engine creation
we don't even need a DBAPI to be available.
Calls to context.execute() here emit the given string to the
script output.
"""
return # We don't support offline
url = config.get_main_option("sqlalchemy.url")
context.configure(url=url,
target_metadata=target_metadata,
literal_binds=True)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
db_url = os.environ['DRYDOCK_DB_URL']
connectable = engine_from_config(config.get_section(
config.config_ini_section),
prefix='sqlalchemy.',
poolclass=pool.NullPool,
url=db_url)
with connectable.connect() as connection:
context.configure(connection=connection,
target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()