fix lint

Author: georgeji

apisix/discovery/consul/init.lua

@@ -511,11 +511,12 @@ function _M.connect(premature, consul_server, retry_delay)
                 local nodes = up_services[service_name]
                 local nodes_uniq = {}
                 for _, node in ipairs(result.body) do
-                    if not node.Service then
+                    local service = node.Service
+                    if not service then
                         goto CONTINUE
                     end
 
-                    local svc_address, svc_port, metadata = node.Service.Address, node.Service.Port, node.Service.Meta
+                    local svc_address, svc_port, metadata = service.Address, service.Port, service.Meta
                     -- Handle nil or 0 port case - default to 80 for HTTP services
                     if not svc_port or svc_port == 0 then
                         svc_port = 80

apisix/upstream.lua

@@ -342,10 +342,10 @@ function _M.set_by_route(route, api_ctx)
         if up_conf.metadata_match then
             new_nodes = match_nodes_by_metadata(new_nodes, up_conf.metadata_match)
             if #new_nodes == 0 then
-                return HTTP_CODE_UPSTREAM_UNAVAILABLE, "no matched upstream node after metadata matching"
+                return HTTP_CODE_UPSTREAM_UNAVAILABLE, "no matched node filterd by metadata_match"
             end
+            core.log.info("filterd by metadata_match: ", core.json.delay_encode(new_nodes, true))
         end
-        core.log.info("new_nodes: ", core.json.delay_encode(new_nodes, true))
 
         local same = upstream_util.compare_upstream_node(up_conf, new_nodes)
         if not same then