Files
users/src/infrastructure/config/settings.py
2026-05-12 21:05:03 +03:00

225 lines
8.6 KiB
Python

from __future__ import annotations
from functools import lru_cache
from typing import Any, List, Literal
from urllib.parse import quote
from dotenv import find_dotenv, load_dotenv
from pydantic import Field, PrivateAttr
from pydantic_settings import BaseSettings, SettingsConfigDict
from src.infrastructure.vault.client import VaultClient
env_file = find_dotenv('.env')
if env_file:
load_dotenv(env_file)
def _as_int(value: object, default: int) -> int:
if value is None:
return default
if isinstance(value, int):
return value
return int(str(value).strip())
class Settings(BaseSettings):
model_config = SettingsConfigDict(env_file='.env', env_file_encoding='utf-8', case_sensitive=True, extra='ignore')
_vault_database_secrets: dict[str, Any] = PrivateAttr(default_factory=dict)
VAULT_ADDR: str = 'https://corp.vault.elcsa.ru'
VAULT_ROLE_ID: str = ''
VAULT_SECRET_ID: str = ''
VAULT_NAMESPACE: str | None = None
VAULT_MOUNT_POINT: str = 'dev-secrets'
VAULT_DATABASE_SECRET_PATH: str = 'database'
VAULT_RABBIT_SECRET_PATH: str = 'rabbitmq'
VAULT_CSRF_SECRET_PATH: str = 'csrf'
VAULT_DOCS_SECRET_PATH: str = 'docs'
VAULT_JWT_KID_PATH: str = 'jwt/kid'
VAULT_JWT_KIDS_PREFIX: str = 'jwt/kids'
DATABASE_URL_DIRECT: str | None = Field(default=None, validation_alias='DATABASE_URL')
DATABASE_HOST: str = ''
DATABASE_PORT: int = Field(default=5432, ge=1, le=65535)
DATABASE_NAME: str = ''
DATABASE_USER: str = ''
DATABASE_PASSWORD: str = ''
DATABASE_POOL_SIZE: int = 10
DATABASE_MAX_OVERFLOW: int = 20
DATABASE_POOL_TIMEOUT: int = 30
DATABASE_POOL_RECYCLE: int = 3600
DATABASE_ECHO: bool = False
CSRF_SECRET_KEY: str = Field(
default='change-me-change-me-change-me-change-me',
min_length=32,
)
CSRF_COOKIE_SECURE: bool = False
CSRF_COOKIE_HTTPONLY: bool = True
CSRF_COOKIE_SAMESITE: Literal['Lax', 'Strict', 'None'] = 'Lax'
CSRF_COOKIE_PATH: str = '/'
CSRF_COOKIE_DOMAIN: str | None = None
DOCS_USERNAME: str = 'admin'
DOCS_PASSWORD: str = 'admin'
JWT_ACCESS_TTL_SECONDS: int = 15 * 60
JWT_REFRESH_TTL_SECONDS: int = 30 * 24 * 60 * 60
JWT_ISSUER: str | None = None
JWT_AUDIENCE: str | None = None
JWT_ALGORITHM: str = 'RS256'
JWT_KEYS_REFRESH_SECONDS: int = 3600
REDIS_HOST: str = 'keydb'
REDIS_PORT: int = 6379
REDIS_PASSWORD: str | None = None
REDIS_DB: int = 0
RABBIT_HOST: str = 'localhost'
RABBIT_PORT: int = 5672
RABBIT_USER: str = 'guest'
RABBIT_PASSWORD: str = 'guest'
RABBIT_VHOST: str = '/'
RABBIT_PUBLISH_PERSIST: bool = True
RABBIT_CONNECT_TIMEOUT: int = 5
RABBIT_EMAIL_CODE_QUEUE: str = 'email.verification_code'
LOG_LEVEL: Literal['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'] = 'INFO'
LOG_FORMAT: Literal['JSON', 'TEXT'] = 'JSON'
def _get_vault_secret(self, secrets: dict[str, Any], *keys: str) -> str:
for key in keys:
value = secrets.get(key)
if value is not None and str(value).strip() != '':
return str(value)
return ''
def model_post_init(self, __context: Any) -> None:
if not self.VAULT_ROLE_ID.strip() or not self.VAULT_SECRET_ID.strip():
if not self.DATABASE_URL:
raise ValueError(
'Set VAULT_ROLE_ID and VAULT_SECRET_ID for Vault, or set DATABASE_URL '
'(or DATABASE_HOST, DATABASE_USER, DATABASE_PASSWORD, DATABASE_NAME) in the environment',
)
return
client = VaultClient(
addr=self.VAULT_ADDR,
role_id=self.VAULT_ROLE_ID,
secret_id=self.VAULT_SECRET_ID,
namespace=self.VAULT_NAMESPACE,
mount_point=self.VAULT_MOUNT_POINT,
)
db = client.read_secret(self.VAULT_DATABASE_SECRET_PATH)
object.__setattr__(self, '_vault_database_secrets', db)
def kv(d: dict[str, Any], *keys: str) -> Any:
for k in keys:
if k in d and d[k] is not None:
return d[k]
return None
if kv(db, 'HOST', 'host') is not None:
object.__setattr__(self, 'DATABASE_HOST', str(kv(db, 'HOST', 'host')))
if kv(db, 'PORT', 'port') is not None:
object.__setattr__(self, 'DATABASE_PORT', _as_int(kv(db, 'PORT', 'port'), self.DATABASE_PORT))
if kv(db, 'NAME', 'name') is not None:
object.__setattr__(self, 'DATABASE_NAME', str(kv(db, 'NAME', 'name')))
if kv(db, 'USER', 'user') is not None:
object.__setattr__(self, 'DATABASE_USER', str(kv(db, 'USER', 'user')))
if kv(db, 'PASSWORD', 'password') is not None:
object.__setattr__(self, 'DATABASE_PASSWORD', str(kv(db, 'PASSWORD', 'password')))
rabbit = client.read_secret_optional(self.VAULT_RABBIT_SECRET_PATH)
if rabbit:
if kv(rabbit, 'HOST', 'host') is not None:
object.__setattr__(self, 'RABBIT_HOST', str(kv(rabbit, 'HOST', 'host')))
if kv(rabbit, 'PORT', 'port') is not None:
object.__setattr__(self, 'RABBIT_PORT', _as_int(kv(rabbit, 'PORT', 'port'), self.RABBIT_PORT))
if kv(rabbit, 'USER', 'user') is not None:
object.__setattr__(self, 'RABBIT_USER', str(kv(rabbit, 'USER', 'user')))
if kv(rabbit, 'PASSWORD', 'password') is not None:
object.__setattr__(self, 'RABBIT_PASSWORD', str(kv(rabbit, 'PASSWORD', 'password')))
if kv(rabbit, 'VHOST', 'vhost') is not None:
object.__setattr__(self, 'RABBIT_VHOST', str(kv(rabbit, 'VHOST', 'vhost')))
csrf = client.read_secret_optional(self.VAULT_CSRF_SECRET_PATH)
if csrf and kv(csrf, 'KEY', 'key') is not None:
key = str(kv(csrf, 'KEY', 'key'))
if len(key) >= 32:
object.__setattr__(self, 'CSRF_SECRET_KEY', key)
docs = client.read_secret_optional(self.VAULT_DOCS_SECRET_PATH)
if docs:
u = docs.get('DOCS_USERNAME') or docs.get('USERNAME')
p = docs.get('DOCS_PASSWORD') or docs.get('PASSWORD')
if u is not None:
object.__setattr__(self, 'DOCS_USERNAME', str(u))
if p is not None:
object.__setattr__(self, 'DOCS_PASSWORD', str(p))
if not self.DATABASE_URL:
raise ValueError('Database URL could not be built from Vault database secret')
@property
def DATABASE_URL(self) -> str:
direct = (self.DATABASE_URL_DIRECT or '').strip()
if direct:
return direct
ready_url = self._get_vault_secret(
self._vault_database_secrets,
'DATABASE_URL',
'database_url',
)
if ready_url:
return ready_url
host = self._get_vault_secret(self._vault_database_secrets, 'host', 'HOST')
port = self._get_vault_secret(self._vault_database_secrets, 'port', 'PORT') or str(self.DATABASE_PORT)
user = self._get_vault_secret(self._vault_database_secrets, 'user', 'USER')
password = self._get_vault_secret(self._vault_database_secrets, 'password', 'PASSWORD')
name = self._get_vault_secret(self._vault_database_secrets, 'name', 'NAME', 'database', 'DATABASE')
if not host or not user or not password or not name:
h = (self.DATABASE_HOST or '').strip()
u = (self.DATABASE_USER or '').strip()
p = (self.DATABASE_PASSWORD or '').strip()
n = (self.DATABASE_NAME or '').strip()
if h and u and p and n:
quoted_user = quote(u, safe='')
quoted_password = quote(p, safe='')
po = str(self.DATABASE_PORT)
return f'postgresql+asyncpg://{quoted_user}:{quoted_password}@{h}:{po}/{n}'
return ''
quoted_user = quote(user, safe='')
quoted_password = quote(password, safe='')
return f'postgresql+asyncpg://{quoted_user}:{quoted_password}@{host}:{port}/{name}'
@property
def REDIS_URL(self) -> str:
auth = f':{self.REDIS_PASSWORD}@' if self.REDIS_PASSWORD else ''
return f'redis://{auth}{self.REDIS_HOST}:{self.REDIS_PORT}/{self.REDIS_DB}'
@property
def RABBIT_URL(self) -> str:
vhost = '%2F' if self.RABBIT_VHOST == '/' else self.RABBIT_VHOST.lstrip('/')
return f'amqp://{self.RABBIT_USER}:{self.RABBIT_PASSWORD}@{self.RABBIT_HOST}:{self.RABBIT_PORT}/{vhost}'
@property
def EXCLUDED_PATHS(self) -> List[str]:
return ['/docs', '/redoc', '/openapi.json', '/ping', '/health']
@lru_cache(maxsize=1)
def get_settings() -> Settings:
return Settings()
settings = get_settings()