From 327fe3c9a63425f3fbba2915fa761ee22119ad55 Mon Sep 17 00:00:00 2001
From: Markus Vahlenkamp <github@vahlenkamp.net>
Date: Thu, 8 Jun 2023 16:38:18 +0200
Subject: [PATCH] allow for zero length partial config (#1423)

---
 nodes/vr_sros/vr-sros.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/nodes/vr_sros/vr-sros.go b/nodes/vr_sros/vr-sros.go
index 76952582e6..d915f3b8f1 100644
--- a/nodes/vr_sros/vr-sros.go
+++ b/nodes/vr_sros/vr-sros.go
@@ -192,6 +192,16 @@ func (s *vrSROS) applyPartialConfig(ctx context.Context, addr, platformName, use
 	var err error
 	var d *network.Driver
 
+	configContent, err := utils.ReadFileContent(configFile)
+	if err != nil {
+		return err
+	}
+
+	// check file contains content, otherwise exit early
+	if len(strings.TrimSpace(string(configContent))) == 0 {
+		return nil
+	}
+
 	for loop := true; loop; {
 		if !s.isHealthy(ctx) {
 			time.Sleep(5 * time.Second) // cool-off period