From cb297aea56da91144c53be1f396b64a26a8e5b04 Mon Sep 17 00:00:00 2001
From: Viacheslav Hletenko <v.gletenko@vyos.io>
Date: Wed, 20 Sep 2023 07:34:36 +0000
Subject: T5602: Reverse-proxy add option backup for backend server

A `backup` server can be defined to take over in the case of all other
backends failing

set load-balancing reverse-proxy backend <tag> server <tag> address '192.0.2.3'
set load-balancing reverse-proxy backend <tag> server <tag> port '8883'
set load-balancing reverse-proxy backend <tag> server <tag> backup
---
 interface-definitions/load-balancing-haproxy.xml.in | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'interface-definitions')

diff --git a/interface-definitions/load-balancing-haproxy.xml.in b/interface-definitions/load-balancing-haproxy.xml.in
index f955a2fb7..564c335ec 100644
--- a/interface-definitions/load-balancing-haproxy.xml.in
+++ b/interface-definitions/load-balancing-haproxy.xml.in
@@ -124,6 +124,12 @@
                       </constraint>
                     </properties>
                   </leafNode>
+                  <leafNode name="backup">
+                    <properties>
+                      <help>Use backup server if other servers are not available</help>
+                      <valueless/>
+                    </properties>
+                  </leafNode>
                   <leafNode name="check">
                     <properties>
                       <help>Active health check backend server</help>
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