caches: added force flag for force backend re-creation

vcsserver/lib/rc_cache/utils.py

@@ -166,7 +166,7 b' def backend_key_generator(backend):'
     return wrapper
 
 
-def get_or_create_region(region_name, region_namespace: str = None, use_async_runner=False):
+def get_or_create_region(region_name, region_namespace: str = None, use_async_runner=False, force=False):
     from .backends import FileNamespaceBackend
     from . import async_creation_runner
 
@@ -183,7 +183,7 b' def get_or_create_region(region_name, re'
             raise ValueError(f'{FileNamespaceBackend} used requires to specify region_namespace param')
 
         region_exist = region_meta.dogpile_cache_regions.get(region_namespace)
-        if region_exist:
+        if region_exist and not force:
             log.debug('Using already configured region: %s', region_namespace)
             return region_exist