From 2b5d4d79283b58f6fc89d1a214d0f5282797d4e2 Mon Sep 17 00:00:00 2001
From: Elvin Efendi <elvin.efendiyev@gmail.com>
Date: Wed, 21 Mar 2018 22:47:39 -0400
Subject: [PATCH] clean backends data before sending to Lua endpoint (#2233)

---
 internal/ingress/controller/nginx.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/internal/ingress/controller/nginx.go b/internal/ingress/controller/nginx.go
index a4361cfba..93ca53fe3 100644
--- a/internal/ingress/controller/nginx.go
+++ b/internal/ingress/controller/nginx.go
@@ -763,7 +763,15 @@ func (n *NGINXController) IsDynamicallyConfigurable(pcfg *ingress.Configuration)
 // ConfigureDynamically JSON encodes new Backends and POSTs it to an internal HTTP endpoint
 // that is handled by Lua
 func (n *NGINXController) ConfigureDynamically(pcfg *ingress.Configuration) error {
-	buf, err := json.Marshal(pcfg.Backends)
+	backends := make([]*ingress.Backend, len(pcfg.Backends))
+
+	for i, backend := range pcfg.Backends {
+		cleanedupBackend := *backend
+		cleanedupBackend.Service = nil
+		backends[i] = &cleanedupBackend
+	}
+
+	buf, err := json.Marshal(backends)
 	if err != nil {
 		return err
 	}