feat: approle vault

src/infrastructure/config/settings.py

@@ -4,19 +4,34 @@ from functools import lru_cache
 from typing import List, Literal
 import os
 from dotenv import load_dotenv, find_dotenv
-from pydantic import Field, model_validator
+from pydantic import AliasChoices,Field,field_validator,model_validator
 from pydantic_settings import BaseSettings, SettingsConfigDict
-from src.infrastructure.vault import create_hvac_client, read_kv2_secret
+from src.infrastructure.vault import create_hvac_client_from_approle,read_kv2_secret
 
 env_file = find_dotenv(".env")
 if env_file:
     load_dotenv(env_file)
 
 
+def normalize_vault_base_url(raw: str) -> str:
+    u = raw.strip().rstrip('/')
+    if not u:
+        return raw.strip()
+    if '://' not in u:
+        return f'https://{u}'
+    return u
+
+
 class Settings(BaseSettings):
-    VAULT_ADDR: str = Field(default="http://localhost:8200")
-    VAULT_TOKEN: str = Field(..., description="Vault token is required")
-    VAULT_MOUNT_POINT: str = Field(default="secrets")
+    VAULT_ADDR: str = Field(default='http://localhost:8200')
+    VAULT_ROLE_ID: str = Field(...,description='AppRole role_id')
+    VAULT_SECRET_ID: str = Field(
+        ...,
+        description='AppRole secret_id',
+        validation_alias=AliasChoices('VAULT_SECRET_ID','VAULT_SECRET_TOKEN'),
+    )
+    VAULT_NAMESPACE: str | None = Field(default=None)
+    VAULT_MOUNT_POINT: str = Field(default='secrets')
 
     VAULT_JWT_KID_PATH: str = "jwt/kid"
     VAULT_JWT_KIDS_PREFIX: str = "jwt/kids"
@@ -77,51 +92,110 @@ class Settings(BaseSettings):
         env_file_encoding="utf-8",
         case_sensitive=True,
         extra="ignore",
+        populate_by_name=True,
     )
 
+    @field_validator('VAULT_ADDR',mode='before')
+    @classmethod
+    def vault_addr_scheme(cls, v):
+        if v is None or not isinstance(v,str):
+            return v
+        return normalize_vault_base_url(v)
+
     @model_validator(mode="before")
     @classmethod
     def load_from_vault(cls, data: dict):
-        addr = data.get("VAULT_ADDR") or os.getenv("VAULT_ADDR") or "http://localhost:8200"
-        token = data.get("VAULT_TOKEN") or os.getenv("VAULT_TOKEN")
-        mount = data.get("VAULT_MOUNT_POINT") or os.getenv("VAULT_MOUNT_POINT") or "secrets"
+        if not isinstance(data,dict):
+            return data
+        addr_raw = data.get('VAULT_ADDR') or os.getenv('VAULT_ADDR') or 'http://localhost:8200'
+        addr = normalize_vault_base_url(addr_raw)
+        data['VAULT_ADDR'] = addr
+        role_id = data.get('VAULT_ROLE_ID') or os.getenv('VAULT_ROLE_ID')
+        secret_id = (
+            data.get('VAULT_SECRET_ID')
+            or data.get('VAULT_SECRET_TOKEN')
+            or os.getenv('VAULT_SECRET_ID')
+            or os.getenv('VAULT_SECRET_TOKEN')
+        )
+        namespace = data.get('VAULT_NAMESPACE')
+        if namespace is None:
+            namespace = os.getenv('VAULT_NAMESPACE')
+        namespace = namespace if namespace else None
+        mount = data.get('VAULT_MOUNT_POINT') or os.getenv('VAULT_MOUNT_POINT') or 'secrets'
 
-        if not token:
-            raise RuntimeError("VAULT_TOKEN is required")
+        if not role_id or not secret_id:
+            raise RuntimeError('VAULT_ROLE_ID and VAULT_SECRET_ID (or VAULT_SECRET_TOKEN) are required for Vault AppRole')
 
-        client = create_hvac_client(url=addr, token=token, timeout=5)
+        data['VAULT_ROLE_ID'] = str(role_id).strip()
+        data['VAULT_SECRET_ID'] = str(secret_id).strip()
 
-        def safe_read(path: str) -> dict:
+        client = create_hvac_client_from_approle(
+            url=addr,
+            role_id=role_id,
+            secret_id=secret_id,
+            namespace=namespace,
+            timeout=5,
+        )
+
+        def read_secret(path: str) -> dict:
+            return read_kv2_secret(client=client,mount_point=mount,path=path)
+
+        def read_secret_optional(path: str) -> dict:
             try:
-                return read_kv2_secret(client=client, mount_point=mount, path=path)
+                return read_secret(path)
             except Exception:
                 return {}
 
-        database = safe_read("database")
-        rabbitmq = safe_read("rabbitmq")
-        csrf = safe_read("csrf")
+        database = read_secret('database')
+        csrf = read_secret_optional('csrf')
+        rabbitmq = read_secret_optional('rabbitmq')
 
-        if database:
-            required = ["HOST", "NAME", "USER", "PASSWORD", "PORT"]
-            missing = [k for k in required if k not in database]
-            if missing:
-                raise RuntimeError(f"Vault database secret missing keys {missing}")
+        db_ci = {str(k).lower(): v for k, v in database.items()}
 
-            data["DATABASE_HOST"] = database["HOST"]
-            data["DATABASE_PORT"] = database["PORT"]
-            data["DATABASE_NAME"] = database["NAME"]
-            data["DATABASE_USER"] = database["USER"]
-            data["DATABASE_PASSWORD"] = database["PASSWORD"]
+        def db_nonempty(key: str) -> bool:
+            v = db_ci.get(key)
+            if v is None:
+                return False
+            if isinstance(v,str) and not v.strip():
+                return False
+            return True
 
-        if rabbitmq:
-            data["RABBIT_HOST"] = rabbitmq.get("HOST", data.get("RABBIT_HOST"))
-            data["RABBIT_PORT"] = rabbitmq.get("PORT", data.get("RABBIT_PORT"))
-            data["RABBIT_USER"] = rabbitmq.get("USER", data.get("RABBIT_USER"))
-            data["RABBIT_PASSWORD"] = rabbitmq.get("PASSWORD", data.get("RABBIT_PASSWORD"))
-            data["RABBIT_VHOST"] = rabbitmq.get("VHOST", data.get("RABBIT_VHOST"))
+        required_db = ['host','name','user','password','port']
+        missing_db = [k for k in required_db if not db_nonempty(k)]
+        if missing_db:
+            raise RuntimeError(f'Vault secret database missing non-empty keys: {missing_db}')
+
+        data['DATABASE_HOST'] = str(db_ci['host']).strip()
+        data['DATABASE_PORT'] = int(db_ci['port'])
+        data['DATABASE_NAME'] = str(db_ci['name']).strip()
+        data['DATABASE_USER'] = str(db_ci['user']).strip()
+        data['DATABASE_PASSWORD'] = str(db_ci['password']).strip()
 
         if csrf:
-            data["CSRF_SECRET_KEY"] = csrf.get("KEY", data.get("CSRF_SECRET_KEY"))
+            csrf_secret = None
+            for entry_key, entry_val in csrf.items():
+                if str(entry_key).lower() == 'key' and entry_val is not None and str(entry_val).strip():
+                    csrf_secret = str(entry_val).strip()
+                    break
+            if csrf_secret:
+                data['CSRF_SECRET_KEY'] = csrf_secret
+
+        if rabbitmq:
+            r_ci = {str(k).lower(): v for k, v in rabbitmq.items()}
+
+            def rb_set(field: str, env_key: str, *, as_int: bool = False) -> None:
+                v = r_ci.get(field)
+                if v is None:
+                    return
+                if isinstance(v,str) and not v.strip():
+                    return
+                data[env_key] = int(v) if as_int else str(v).strip()
+
+            rb_set('host','RABBIT_HOST')
+            rb_set('port','RABBIT_PORT',as_int=True)
+            rb_set('user','RABBIT_USER')
+            rb_set('password','RABBIT_PASSWORD')
+            rb_set('vhost','RABBIT_VHOST')
 
         return data
 

src/infrastructure/vault/__init__.py

@@ -1,3 +1,3 @@
-from src.infrastructure.vault.utils import read_kv2_secret, create_hvac_client
+from src.infrastructure.vault.utils import read_kv2_secret,create_hvac_client_from_approle
 from src.infrastructure.vault.keys import JwtKeyStore
 from src.infrastructure.vault.scheduler import start_jwt_keys_scheduler

src/infrastructure/vault/keys.py

@@ -3,7 +3,7 @@ import asyncio
 from datetime import datetime, timezone
 from src.application.domain.dto import JwtPublicKeySet, JwtPublicKey
 from src.application.domain.exceptions import ApplicationException
-from src.infrastructure.vault import create_hvac_client, read_kv2_secret
+from src.infrastructure.vault import create_hvac_client_from_approle,read_kv2_secret
 
 
 class JwtKeyStore:
@@ -19,7 +19,9 @@ class JwtKeyStore:
         self,
         *,
         vault_addr: str,
-        vault_token: str,
+        vault_role_id: str,
+        vault_secret_id: str,
+        vault_namespace: str | None,
         mount_point: str,
         kid_path: str = 'jwt/kid',
         kids_prefix: str = 'jwt/kids',
@@ -30,7 +32,9 @@ class JwtKeyStore:
             return
 
         self._vault_addr = vault_addr
-        self._vault_token = vault_token
+        self._vault_role_id = vault_role_id
+        self._vault_secret_id = vault_secret_id
+        self._vault_namespace = vault_namespace
         self._timeout = timeout_seconds
 
         self._mount = mount_point
@@ -52,7 +56,13 @@ class JwtKeyStore:
         return cls._instance
 
     def _read_keyset_sync(self) -> JwtPublicKeySet:
-        client = create_hvac_client(url=self._vault_addr, token=self._vault_token, timeout=self._timeout)
+        client = create_hvac_client_from_approle(
+            url=self._vault_addr,
+            role_id=self._vault_role_id,
+            secret_id=self._vault_secret_id,
+            namespace=self._vault_namespace,
+            timeout=self._timeout,
+        )
 
         kids = read_kv2_secret(client=client, mount_point=self._mount, path=self._kid_path)
         active_kid = kids.get('active')

src/infrastructure/vault/utils.py

@@ -2,10 +2,23 @@ from __future__ import annotations
 import hvac
 
 
-def create_hvac_client(*, url: str, token: str, timeout: int = 5) -> hvac.Client:
-    client = hvac.Client(url=url, token=token, timeout=timeout)
+def create_hvac_client_from_approle(
+    *,
+    url: str,
+    role_id: str,
+    secret_id: str,
+    namespace: str | None = None,
+    timeout: int = 5,
+) -> hvac.Client:
+    kwargs: dict = {'url': url, 'timeout': timeout}
+    if namespace:
+        kwargs['namespace'] = namespace
+    client = hvac.Client(**kwargs)
+    client.auth.approle.login(role_id=role_id, secret_id=secret_id)
     if not client.is_authenticated():
-        raise RuntimeError("Vault authentication failed. Check VAULT_ADDR / VAULT_TOKEN")
+        raise RuntimeError(
+            'Vault AppRole authentication failed. Check VAULT_ADDR, VAULT_ROLE_ID, VAULT_SECRET_ID'
+        )
     return client
 
 

src/main.py

@@ -43,7 +43,9 @@ async def lifespan(app: FastAPI) -> AsyncGenerator[None, None]:
 
     jwt_store = JwtKeyStore(
         vault_addr=settings.VAULT_ADDR,
-        vault_token=settings.VAULT_TOKEN,
+        vault_role_id=settings.VAULT_ROLE_ID,
+        vault_secret_id=settings.VAULT_SECRET_ID,
+        vault_namespace=settings.VAULT_NAMESPACE,
         mount_point=settings.VAULT_MOUNT_POINT,
         kid_path=settings.VAULT_JWT_KID_PATH,
         kids_prefix=settings.VAULT_JWT_KIDS_PREFIX,