Parse log_level in cluster_client

src/cluster_client.cpp

@@ -359,6 +359,8 @@ void cluster_client_t::on_load_config_hook(json11::Json::object & etcd_global_co
     {
         up_wait_retry_interval = 50;
     }
+    // log_level
+    log_level = config["log_level"].uint64_value();
     msgr.parse_config(config);
     st_cli.parse_config(config);
     st_cli.load_pgs();

src/cluster_client.h

@@ -91,7 +91,7 @@ class cluster_client_t
     uint64_t client_max_buffered_ops = 0;
     uint64_t client_max_writeback_iodepth = 0;
 
-    int log_level;
+    int log_level = 0;
     int up_wait_retry_interval = 500; // ms
 
     int retry_timeout_id = 0;