Move var from rag.settings to common.globals (#11022)

### What problem does this PR solve?

As title.

### Type of change

- [x] Refactoring

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

api/db/services/user_service.py

@@ -27,7 +27,7 @@ from api.db.services.common_service import CommonService
 from common.misc_utils import get_uuid
 from common.time_utils import current_timestamp, datetime_format
 from common.constants import StatusEnum
-from rag.settings import MINIO
+from common import globals
 
 
 class UserService(CommonService):
@@ -221,7 +221,7 @@ class TenantService(CommonService):
     @DB.connection_context()
     def user_gateway(cls, tenant_id):
         hash_obj = hashlib.sha256(tenant_id.encode("utf-8"))
-        return int(hash_obj.hexdigest(), 16)%len(MINIO)
+        return int(hash_obj.hexdigest(), 16)%len(globals.MINIO)
 
 
 class UserTenantService(CommonService):

api/utils/health_utils.py

@@ -19,7 +19,6 @@ from timeit import default_timer as timer
 
 from api import settings
 from api.db.db_models import DB
-from rag import settings as rag_settings
 from rag.utils.redis_conn import REDIS_CONN
 from rag.utils.storage_factory import STORAGE_IMPL
 from rag.utils.es_conn import ESConnection
@@ -121,7 +120,7 @@ def get_mysql_status():
 def check_minio_alive():
     start_time = timer()
     try:
-        response = requests.get(f'http://{rag_settings.MINIO["host"]}/minio/health/live')
+        response = requests.get(f'http://{globals.MINIO["host"]}/minio/health/live')
         if response.status_code == 200:
             return {"status": "alive", "message": f"Confirm elapsed: {(timer() - start_time) * 1000.0:.1f} ms."}
         else: