113 lines
3.5 KiB
Python
113 lines
3.5 KiB
Python
"""Alembic environment configuration for tenant service"""
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import asyncio
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import logging
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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 pool
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from sqlalchemy.engine import Connection
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from sqlalchemy.ext.asyncio import async_engine_from_config
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from alembic import context
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# Add the service directory to the Python path
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service_path = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
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if service_path not in sys.path:
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sys.path.insert(0, service_path)
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# Add shared modules to path
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shared_path = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "..", "shared"))
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if shared_path not in sys.path:
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sys.path.insert(0, shared_path)
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try:
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from app.core.config import settings
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from shared.database.base import Base
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# Import all models to ensure they are registered with Base.metadata
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from app.models import * # Import all models
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except ImportError as e:
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print(f"Import error in migrations env.py: {e}")
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print(f"Current Python path: {sys.path}")
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raise
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# this is the Alembic Config object
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config = context.config
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# Set database URL from environment variables or settings
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# Try service-specific DATABASE_URL first, then fall back to generic
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database_url = os.getenv('TENANT_DATABASE_URL') or os.getenv('DATABASE_URL')
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# If DATABASE_URL is not set, construct from individual components
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if not database_url:
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postgres_host = os.getenv('POSTGRES_HOST')
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postgres_port = os.getenv('POSTGRES_PORT', '5432')
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postgres_db = os.getenv('POSTGRES_DB')
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postgres_user = os.getenv('POSTGRES_USER')
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postgres_password = os.getenv('POSTGRES_PASSWORD')
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if all([postgres_host, postgres_db, postgres_user, postgres_password]):
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database_url = f"postgresql+asyncpg://{postgres_user}:{postgres_password}@{postgres_host}:{postgres_port}/{postgres_db}"
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else:
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# Fallback to settings
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database_url = getattr(settings, 'DATABASE_URL', None)
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if database_url:
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config.set_main_option("sqlalchemy.url", database_url)
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# Interpret the config file for Python logging
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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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# Set target metadata
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode."""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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compare_type=True,
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compare_server_default=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 do_run_migrations(connection: Connection) -> None:
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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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compare_server_default=True,
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)
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with context.begin_transaction():
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context.run_migrations()
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async def run_async_migrations() -> None:
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"""Run migrations in 'online' mode."""
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connectable = async_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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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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def run_migrations_online() -> None:
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"""Run migrations in 'online' mode."""
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asyncio.run(run_async_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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