From cb46c13054b17a6ddb46e7728a1a76099d46b077 Mon Sep 17 00:00:00 2001
From: Mike Reeves <luke@geekempire.com>
Date: Wed, 11 Nov 2020 11:22:28 -0500
Subject: [PATCH] Update oldpcap.sh

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

diff --git a/salt/telegraf/scripts/oldpcap.sh b/salt/telegraf/scripts/oldpcap.sh
index 970c47589..4aee393ac 100644
--- a/salt/telegraf/scripts/oldpcap.sh
+++ b/salt/telegraf/scripts/oldpcap.sh
@@ -1,5 +1,14 @@
 #!/bin/bash
 
+APP=oldpcap
+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 $$ > $lf
+
 # Get the data
 OLDPCAP=$(find /host/nsm/pcap -type f -exec stat -c'%n %Z' {} + | sort | grep -v "\." | head -n 1 | awk {'print $2'})
 DATE=$(date +%s)