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correct zeekcaptureloss script to work on zeek standalone

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This commit is contained in:
m0duspwnens
2020-10-09 11:39:44 -04:00
parent f38519247b
commit f5cacd66b8
1 changed files with 13 additions and 3 deletions
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14
salt/telegraf/scripts/zeekcaptureloss.sh
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@@ -1,14 +1,24 @@
#!/bin/bash
# This script returns the average of all the workers average capture loss to telegraf / influxdb in influx format include nanosecond precision timestamp
{%- set WORKERS = salt['pillar.get']('sensor:zeek_lbprocs', salt['pillar.get']('sensor:zeek_pins') | length) %}
if [ -d "/host/nsm/zeek/spool/logger" ]; then
WORKERS={{ salt['pillar.get']('sensor:zeek_lbprocs', salt['pillar.get']('sensor:zeek_pins') | length) }}
ZEEKLOG=/host/nsm/zeek/spool/logger/capture_loss.log
elif [ -d "/host/nsm/zeek/spool/zeeksa" ]; then
WORKERS=1
ZEEKLOG=/host/nsm/zeek/spool/zeeksa/capture_loss.log
else
echo 'Zeek capture_loss.log not found' >/dev/stderr
exit 2
fi
LASTCAPTURELOSSLOG=/var/log/telegraf/lastcaptureloss.txt
if [ -f "$ZEEKLOG" ]; then
CURRENTTS=$(tail -1 $ZEEKLOG | jq .ts | sed 's/"//g')
if [ -f "$LASTCAPTURELOSSLOG" ]; then
LASTTS=$(cat $LASTCAPTURELOSSLOG)
if [[ "$LASTTS" != "$CURRENTTS" ]]; then
LOSS=$(tail -{{WORKERS}} $ZEEKLOG | awk -F, '{print $NF}' | sed 's/}//' | awk -F: '{LOSS += $2 / {{WORKERS}}} END { print LOSS}')
LOSS=$(tail -$WORKERS $ZEEKLOG | awk -F, '{print $NF}' | sed 's/}//' | awk -F: '{LOSS += $2 / $WORKERS END { print LOSS}')
echo "zeekcaptureloss loss=$LOSS"
fi
fi