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