repair the elasticsearch store day result to json

Change-Id: I052f6b540b22ebe9917e536efc411e81f81fb2b0

venus/api/v1/router.py

@@ -50,11 +50,6 @@ class APIRouter(venus.api.openstack.APIRouter):
                        action='get_config',
                        conditions={'method': ['GET']})
 
-        mapper.connect("get_custom_config", "/custom_config",
-                       controller=config_resource,
-                       action='set_config',
-                       conditions={'method': ['POST']})
-
         mapper.connect("search_params", "/search/params",
                        controller=search_resource,
                        action='search_params',

venus/modules/custom_config/controller.py

@@ -25,7 +25,9 @@ class CustomConfigController(wsgi.Controller):
 
     @wsgi.wrap_check_policy
     def get_config(self, req):
-        return CONF.elasticsearch.es_index_days
+        result = dict()
+        result["log_save_days"] = CONF.elasticsearch.es_index_days
+        return result
 
 
 def create_resource(ext_mgr):