From 9548b3df54302bcf3ee2a46444ccde327335bbb2 Mon Sep 17 00:00:00 2001
From: Mike Reeves <luke@geekempire.com>
Date: Wed, 11 Nov 2020 11:23:20 -0500
Subject: [PATCH] Update stenoloss.sh

---
 salt/telegraf/scripts/stenoloss.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/salt/telegraf/scripts/stenoloss.sh b/salt/telegraf/scripts/stenoloss.sh
index 1b60f0517..83b07e4f6 100644
--- a/salt/telegraf/scripts/stenoloss.sh
+++ b/salt/telegraf/scripts/stenoloss.sh
@@ -1,5 +1,14 @@
 #!/bin/bash
 
+APP=stenoloss
+lf=/tmp/$APP-pidLockFile
+# create empty lock file if none exists
+cat /dev/null >> $lf
+read lastPID < $lf
+# if lastPID is not null and a process with that pid exists , exit
+[ ! -z "$lastPID" -a -d /proc/$lastPID ] && exit
+echo $$ > $lf
+
 # Get the data
 DROP=$(tac /var/log/stenographer/stenographer.log | grep -m1 drop | awk '{print $14}' | awk -F "=" '{print $2}')