wait_for_galera_issue.sh
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	dcaro
	Jun 15 2022, 4:21 PM

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wait_for_galera_issue.sh
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	#!/bin/bash

	# dcaro trying to catch the haproxy flap

	old_logs=$(journalctl -u haproxy -n1 \| tail -n1)
	new_logs=$old_logs
	count=3
	gotten=0

	tcpdump \
	-Z root \
	-i eno1 \
	-w /tmp/galera_testing.pcap \
	-G 120 \
	host cloudcontrol1003.wikimedia.org or host cloudcontrol1004.wikimedia.org \
	&

	while [[ $gotten -lt $count ]]; do
	while [[ "$old_logs" == "$new_logs" ]]; do
	sleep 1
	new_logs=$(journalctl -u haproxy -n1 \| tail -n1)
	done
	echo "Got one at $(date)"
	cp /tmp/galera_testing.pcap /tmp/galera_testing.pcap.$(date +%H%M%S_%d%m%y)
	gotten=$((gotten+1))
	done

	echo "stopping the tcpdump process, we got a hit"
	pkill tcpdump