Files
JQC_multi_tenant/control/migrations/env.py
T
2026-06-26 16:19:48 -04:00

68 lines
1.9 KiB
Python

"""
control/migrations/env.py
-------------------------
Standalone Alembic environment for the control plane. Unlike the data-plane
env (which pulls its engine from the Flask app), this reads the URL directly
from CONTROL_DATABASE_URL and targets ControlBase.metadata. No Flask import.
"""
import os
import sys
from logging.config import fileConfig
from sqlalchemy import engine_from_config, pool
from alembic import context
# Make the repo root importable so `import control.*` resolves when Alembic
# is invoked as `alembic -c control/migrations/alembic.ini ...`.
sys.path.insert(
0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..'))
)
from control.base import ControlBase, get_control_database_url # noqa: E402
import control.models # noqa: E402,F401 (registers tables on ControlBase.metadata)
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
# Inject the URL from the environment (escape % for ConfigParser).
config.set_main_option(
'sqlalchemy.url', get_control_database_url().replace('%', '%%')
)
target_metadata = ControlBase.metadata
def run_migrations_offline():
context.configure(
url=config.get_main_option('sqlalchemy.url'),
target_metadata=target_metadata,
literal_binds=True,
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online():
connectable = engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix='sqlalchemy.',
poolclass=pool.NullPool,
)
with connectable.connect() as connection:
context.configure(
connection=connection,
target_metadata=target_metadata,
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()