import asyncio
import os
from logging.config import fileConfig
from sqlalchemy import engine_from_config, pool
from sqlalchemy.ext.asyncio import create_async_engine
from alembic import context
# Import our models and database configuration
from app.core.database import Base
from app.core.config import get_settings
# Import all models to ensure they're registered with metadata
from app.models import (
service_collection,
workflow,
resource,
user,
audit_log,
project
)
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
# Get database URL from settings
settings = get_settings()
if settings.database_url:
config.set_main_option("sqlalchemy.url", str(settings.database_url))
# Interpret the config file for Python logging.
# This line sets up loggers basically.
if config.config_file_name is not None:
fileConfig(config.config_file_name)
# Set target metadata from our Base class
target_metadata = Base.metadata
def run_migrations_offline() -> None:
"""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.
"""
url = config.get_main_option("sqlalchemy.url")
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
compare_type=True,
compare_server_default=True,
)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection):
"""Run migrations with the given connection."""
context.configure(
connection=connection,
target_metadata=target_metadata,
compare_type=True,
compare_server_default=True,
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
connectable = engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
with connectable.connect() as connection:
do_run_migrations(connection)
def run_async_migrations() -> None:
"""Run migrations in async mode for async engines."""
async def run_migrations():
connectable = create_async_engine(
config.get_main_option("sqlalchemy.url"),
poolclass=pool.NullPool,
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
asyncio.run(run_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
# Use async migrations for our async setup
run_async_migrations()
