NGINX: Remove inline Lua from template. (#11806)

rootfs/etc/nginx/lua/ngx_conf_init_stream.lua

@@ -0,0 +1,30 @@
+local cjson = require("cjson.safe")
+collectgarbage("collect")
+local f = io.open("/etc/nginx/lua/cfg.json", "r")
+local content = f:read("*a")
+f:close()
+local configfile = cjson.decode(content)
+-- init modules
+local ok, res
+ok, res = pcall(require, "configuration")
+if not ok then
+  error("require failed: " .. tostring(res))
+else
+  configuration = res
+end
+ok, res = pcall(require, "tcp_udp_configuration")
+if not ok then
+  error("require failed: " .. tostring(res))
+else
+  tcp_udp_configuration = res
+  if not configfile.listen_ports.status_port then
+    error("required status port not found")
+  end
+  tcp_udp_configuration.prohibited_localhost_port = configfile.listen_ports.status_port
+end
+ok, res = pcall(require, "tcp_udp_balancer")
+if not ok then
+  error("require failed: " .. tostring(res))
+else
+  tcp_udp_balancer = res
+end