From 071e4be6a346e0f58cee5d572ff1edca326bcf0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6berl?= <derkoe@users.noreply.github.com>
Date: Thu, 20 Jul 2023 21:42:49 +0000
Subject: [PATCH] Fix config update when config is "null"

When the tunnel reads the config from the server and it is "null" then
ignore it.

Fixes #1029
---
 orchestration/orchestrator.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/orchestration/orchestrator.go b/orchestration/orchestrator.go
index 0d43e59d..4a5337d8 100644
--- a/orchestration/orchestrator.go
+++ b/orchestration/orchestrator.go
@@ -74,6 +74,15 @@ func (o *Orchestrator) UpdateConfig(version int32, config []byte) *tunnelpogs.Up
 			LastAppliedVersion: o.currentVersion,
 		}
 	}
+
+	if string(config) == "null" {
+		o.log.Info().Msg("Ignore null config from server")
+		o.currentVersion = version
+		return &tunnelpogs.UpdateConfigurationResponse{
+			LastAppliedVersion: o.currentVersion,
+		}
+	}
+
 	var newConf newRemoteConfig
 	if err := json.Unmarshal(config, &newConf); err != nil {
 		o.log.Err(err).