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fnsvr-01 的 PostgreSQL 在 8432 端口(不是 5432),实测 PostgreSQL 17.6 / Alpine。 已在该实例建好独立库与角色: - dadaotask(开发)/ dadaotask_test(测试),owner 都是 dadao_owner - dadao_owner 迁移用;dadao_app 应用用(NOSUPERUSER NOBYPASSRLS) - 两个库都已 ALTER SCHEMA public OWNER TO dadao_owner + REVOKE CREATE FROM PUBLIC + GRANT 给 dadao_app 代码改动: - config 增加 test_database_url / test_migration_database_url,并给出 resolved_database_url() / resolved_migration_database_url():ENV=test 且有测试库时优先用测试库, 否则退回开发库(CI 里直接给 DATABASE_URL 即可,行为不变)。 - db.py / alembic/env.py / tests/conftest.py 统一走这两个解析方法。 原先 conftest 清表用的是 settings.migration_database_url,而应用连的是测试库, 一旦测试库与开发库不同,TRUNCATE 就清到另一个库上——表现为"测试库脏数据越攒越多、 列表类断言随机失败"。这是本次真踩到的坑,不是假想。 - tests/conftest.py 保留 E402 豁免(环境变量必须在 import app 模块前写好)。 验证: - 远程 dadaotask_test 上 pytest 33 passed,跑完表内 0 行(确认清表打在同一个库) - 远程 dadaotask 上 alembic upgrade head 成功,/health 与 /version 正常,db_role 为 dadao_app 且三项全 false - 本机便携 PG 16.4 上同样 33 passed(两个 PG 大版本都过) - ruff check / format 干净 已知限制:该实例没有 pgvector(只有 pg_trgm / pgcrypto),M3 向量检索前必须先定扩展来源, 已写进 2.Design/DEVELOPMENT.md。
110 lines
4.9 KiB
Python
110 lines
4.9 KiB
Python
"""分层配置:dev / prod 全部走环境变量,启动即校验。"""
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from __future__ import annotations
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import os
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from functools import lru_cache
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from typing import Literal
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from pydantic import Field, field_validator
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from pydantic_settings import BaseSettings, SettingsConfigDict
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DEV_JWT_SECRET = "dev-only-change-me" # noqa: S105 - 仅开发默认值,生产启动时会被校验拦下
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class Settings(BaseSettings):
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model_config = SettingsConfigDict(
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env_file=".env", env_file_encoding="utf-8", extra="ignore", case_sensitive=False
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)
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# ── 基础 ──────────────────────────────────────────────
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app_name: str = "达道Task"
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env: Literal["dev", "test", "prod"] = "dev"
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api_prefix: str = "/api/v1"
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cors_origins: list[str] = Field(
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default_factory=lambda: ["http://localhost:5180", "http://127.0.0.1:5180"]
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)
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# ── 数据库 ────────────────────────────────────────────
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# 应用角色:受 RLS 约束,非 owner、非 superuser
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database_url: str = "postgresql+asyncpg://dadao_app:dadao_dev_pw@127.0.0.1:5433/dadaotask"
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# 迁移角色:owner,可绕过 RLS,仅 alembic / 运维脚本使用
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migration_database_url: str = (
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"postgresql+asyncpg://dadao_owner:dadao_dev_pw@127.0.0.1:5433/dadaotask"
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)
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# 测试专用库:测试会 TRUNCATE 所有表,绝不能落到开发库上。
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# 留空则退回 database_url(CI 里直接给 DATABASE_URL 即可)。
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test_database_url: str | None = None
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test_migration_database_url: str | None = None
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db_echo: bool = False
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db_pool_size: int = 10
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# ── Redis ─────────────────────────────────────────────
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redis_url: str = "redis://127.0.0.1:6380/0"
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# ── 认证 ──────────────────────────────────────────────
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jwt_secret: str = DEV_JWT_SECRET
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jwt_algorithm: str = "HS256"
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access_token_minutes: int = 30
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refresh_token_days: int = 14
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sms_code_ttl_seconds: int = 300
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# 同一手机号两次发码的最小间隔;测试里设为 0 可关闭节流
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sms_throttle_seconds: int = 60
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sms_dev_code: str = "123456"
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sms_provider: Literal["dev", "aliyun", "tencent"] = "dev"
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# ── 幂等 ──────────────────────────────────────────────
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idempotency_enabled: bool = True
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idempotency_ttl_seconds: int = 86_400
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# ── 构建标记(部署校验用)──────────────────────────────
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build_commit: str = "unknown"
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build_time: str = "unknown"
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@field_validator("cors_origins", mode="before")
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@classmethod
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def _split_origins(cls, value: object) -> object:
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"""支持 CORS_ORIGINS="a,b" 这种写法。"""
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if isinstance(value, str) and not value.startswith("["):
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return [item.strip() for item in value.split(",") if item.strip()]
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return value
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def validate_runtime(self) -> None:
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"""生产环境的致命配置错误,必须在启动时炸掉,而不是等待请求。"""
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if self.env != "prod":
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return
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problems: list[str] = []
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if self.jwt_secret == DEV_JWT_SECRET or len(self.jwt_secret) < 32:
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problems.append("JWT_SECRET 仍是开发默认值或长度不足 32")
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if "dadao_dev_pw" in self.database_url:
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problems.append("DATABASE_URL 仍在用开发默认口令")
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if self.sms_provider == "dev":
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problems.append("生产环境不允许 SMS_PROVIDER=dev(任意验证码可登录)")
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if problems:
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raise RuntimeError("配置校验失败:" + ";".join(problems))
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def resolved_database_url(self) -> str:
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"""应用实际连的库:测试环境优先用独立测试库(测试会 TRUNCATE)。"""
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if self.env == "test" and self.test_database_url:
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return self.test_database_url
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return self.database_url
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def resolved_migration_database_url(self) -> str:
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"""迁移/清表实际连的库:必须和应用同一个库,否则清表清到别处去了。"""
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if self.env == "test" and self.test_migration_database_url:
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return self.test_migration_database_url
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return self.migration_database_url
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@lru_cache
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def get_settings() -> Settings:
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return Settings()
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def build_commit() -> str:
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"""优先读环境变量(CI/镜像注入),退回 git。"""
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env_value = os.getenv("BUILD_COMMIT")
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if env_value:
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return env_value
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return get_settings().build_commit
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