59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
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from sqlalchemy.orm import DeclarativeBase
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from backend.config import get_settings
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settings = get_settings()
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engine = create_async_engine(settings.database_url, echo=False)
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async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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class Base(DeclarativeBase):
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pass
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async def get_db():
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async with async_session() as session:
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try:
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yield session
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await session.commit()
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except Exception:
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await session.rollback()
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raise
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async def init_db():
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async with engine.begin() as conn:
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# 迁移旧表：acme_config → acme_configs
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try:
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result = await conn.execute(
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__import__("sqlalchemy").text("SELECT name FROM sqlite_master WHERE type='table' AND name='acme_config'")
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)
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if result.fetchone():
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await conn.execute(__import__("sqlalchemy").text("ALTER TABLE acme_config RENAME TO acme_configs"))
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except Exception:
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pass
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await conn.run_sync(Base.metadata.create_all)
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# 迁移：给 domains 表加 acme_config_id 列
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try:
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await conn.execute(
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__import__("sqlalchemy").text("ALTER TABLE domains ADD COLUMN acme_config_id INTEGER REFERENCES acme_configs(id)")
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)
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except Exception:
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pass # 列已存在
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# 确保至少有一条默认配置
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result = await conn.execute(
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__import__("sqlalchemy").text("SELECT COUNT(*) FROM acme_configs")
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)
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count = result.scalar()
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if count == 0:
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await conn.execute(
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__import__("sqlalchemy").text(
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"INSERT INTO acme_configs (name, acme_server, email, dns_provider, dns_credentials, renew_days) "
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"VALUES ('默认配置', 'https://acme-v02.api.letsencrypt.org/directory', '', 'aliyun', '{}', 30)"
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)
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)
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