tokers commented on code in PR #8275:
URL: https://github.com/apache/apisix/pull/8275#discussion_r1016443503
##########
apisix/init.lua:
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@@ -263,6 +263,16 @@ local function set_upstream_headers(api_ctx, picked_server)
if x_forwarded_host then
api_ctx.var.var_x_forwarded_host = x_forwarded_host
end
+
+ local x_forwarded_for = api_ctx.var.http_x_forwarded_for
+ if x_forwarded_for then
+ api_ctx.var.http_x_forwarded_for = x_forwarded_for .. ", " ..
api_ctx.var.realip_remote_addr
Review Comment:
One can remove the var value in serverless plugins, so please check the
value before concating it.
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