[apisix] branch master updated: chore: capitalize the constant (#3672)

[membphis]

This is an automated email from the ASF dual-hosted git repository.

membphis pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/apisix.git


The following commit(s) were added to refs/heads/master by this push:
     new e2f1fc6  chore: capitalize the constant (#3672)
e2f1fc6 is described below

commit e2f1fc6a7b7da070cfd253c8854358473193237c
Author: 罗泽轩 <spacewander...@gmail.com>
AuthorDate: Sat Feb 27 20:33:30 2021 +0800

    chore: capitalize the constant (#3672)
    
    See https://github.com/apache/apisix/pull/3629#discussion_r582423351
---
 apisix/upstream.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/apisix/upstream.lua b/apisix/upstream.lua
index 7a363be..6ae81c0 100644
--- a/apisix/upstream.lua
+++ b/apisix/upstream.lua
@@ -26,8 +26,8 @@ local is_http = ngx.config.subsystem == "http"
 local upstreams
 local healthcheck
 
-local http_code_upstream_unavailable = ngx.HTTP_SERVICE_UNAVAILABLE
 
+local HTTP_CODE_UPSTREAM_UNAVAILABLE = 503
 local _M = {}
 
 
@@ -216,7 +216,7 @@ function _M.set_by_route(route, api_ctx)
 
         local new_nodes, err = dis.nodes(up_conf.service_name)
         if not new_nodes then
-            return http_code_upstream_unavailable, "no valid upstream node: " 
.. (err or "nil")
+            return HTTP_CODE_UPSTREAM_UNAVAILABLE, "no valid upstream node: " 
.. (err or "nil")
         end
 
         local same = upstream_util.compare_upstream_node(up_conf, new_nodes)
@@ -243,7 +243,7 @@ function _M.set_by_route(route, api_ctx)
 
     local nodes_count = up_conf.nodes and #up_conf.nodes or 0
     if nodes_count == 0 then
-        return http_code_upstream_unavailable, "no valid upstream node"
+        return HTTP_CODE_UPSTREAM_UNAVAILABLE, "no valid upstream node"
     end
 
     if not is_http then