From d6dd025d6fc5c1b28316317c3aae9209dc511c67 Mon Sep 17 00:00:00 2001
From: Dimitri Tischenko <dimitri@puppet.com>
Date: Tue, 19 Sep 2023 14:42:05 +0100
Subject: [PATCH] add checking for empty events

---
 lib/vmpooler/providers/vsphere.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/vmpooler/providers/vsphere.rb b/lib/vmpooler/providers/vsphere.rb
index be66e52..9a67984 100644
--- a/lib/vmpooler/providers/vsphere.rb
+++ b/lib/vmpooler/providers/vsphere.rb
@@ -1240,6 +1240,8 @@ module Vmpooler
             # find events for vm
             events = event_manager.QueryEvents(filter: event_filter_spec)
           end
+          return nil if !events || events.empty?
+
           # convert events to json, include only the fullFormattedMessage
           messages = events.map(&:fullFormattedMessage)
           JSON.generate(messages)