Files
infoscreen/server/alembic/env.py
olaf 76629b8e30 additions and corrections for
deployment instructions
2025-09-04 16:45:29 +00:00

116 lines
3.4 KiB
Python

# isort: skip_file
from alembic import context
from sqlalchemy import pool
from sqlalchemy import engine_from_config
from logging.config import fileConfig
from dotenv import load_dotenv
from models.models import Base
import os
import sys
sys.path.insert(0, '/workspace')
print("sys.path:", sys.path)
print("models dir exists:", os.path.isdir('/workspace/models'))
print("models/models.py exists:", os.path.isfile('/workspace/models/models.py'))
print("models/__init__.py exists:",
os.path.isfile('/workspace/models/__init__.py'))
print("sys.path:", sys.path)
print("models dir exists:", os.path.isdir('/workspace/models'))
print("models/models.py exists:", os.path.isfile('/workspace/models/models.py'))
print("models/__init__.py exists:",
os.path.isfile('/workspace/models/__init__.py'))
# .env laden (optional)
env_path = os.path.abspath(os.path.join(
os.path.dirname(__file__), '../../.env'))
print(f"Loading environment variables from: {env_path}")
load_dotenv(env_path)
DB_CONN = os.getenv("DB_CONN")
if DB_CONN:
DATABASE_URL = DB_CONN
else:
# Datenbank-Zugangsdaten aus .env
DB_USER = os.getenv("DB_USER")
DB_PASSWORD = os.getenv("DB_PASSWORD")
DB_HOST = os.getenv("DB_HOST", "db") # Default jetzt 'db'
DB_PORT = os.getenv("DB_PORT", "3306")
DB_NAME = os.getenv("DB_NAME")
DATABASE_URL = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
# 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.
if config.config_file_name is not None:
fileConfig(config.config_file_name)
print(f"Using DATABASE_URL: {DATABASE_URL}")
config.set_main_option("sqlalchemy.url", DATABASE_URL)
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
target_metadata = Base.metadata
# 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() -> 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"},
)
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:
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()