Attachment 229121 Details for Bug 259528 – reproduction.sh

reproduction.sh

file_259528.txt (text/plain), 1.75 KB, created by Marius Halden on 2021-10-29 12:58:37 UTC

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Creator: Marius Halden

Created: 2021-10-29 12:58:37 UTC

Size: 1.75 KB

patch

obsolete

>#!/bin/sh
>
>set -eu
>
>carp_demote_magic=1
>
>create_jail() {
>	local jname=$1
>	local if=$2
>	local ip=$3
>	local advskew=$4
>
>	local cmd="sysctl net.inet.carp.preempt=1 >/dev/null ; ifconfig ${if} inet 10.10.10.${ip}/24 up ; ifconfig ${if} inet 10.10.10.1/24 alias vhid 1 advskew ${advskew} pass foobar"
>
>	printf "Staring jail %s" "${jname}"
>	jail -c name=${jname} path=/ host.hostname=${jname} vnet vnet.interface=${if} persist exec.start="/bin/sh -c '${cmd}'"
>	echo "."
>}
>
>print_status() {
>	printf "carp1 status: "
>	jexec carp1 ifconfig $e1b | grep carp: | awk '{print $2}'
>	printf "carp2 status: "
>	jexec carp2 ifconfig $e2b | grep carp: | awk '{print $2}'
>}
>
>cleanup() {
>	printf "Cleaning up"
>
>    jail -R carp1 || :
>    jail -R carp2 || :
>    ifconfig $br destroy || :
>    ifconfig $e1a destroy || :
>    ifconfig $e2a destroy || :
>
>    echo "."
>}
>
>wait() {
>	local time=$1
>	shift
>	local msg="$@"
>
>	printf "%s" "$msg"
>
>	while [ $time -gt 0 ] ; do
>		printf "."
>
>		time=$((time - 1))
>		sleep 1
>	done
>
>	echo
>}
>
>trap cleanup EXIT INT TERM
>
>br=$(ifconfig bridge create)
>e1a=$(ifconfig epair create)
>e2a=$(ifconfig epair create)
>e1b=${e1a%%a}b
>e2b=${e2a%%a}b
>
>ifconfig $br addm $e1a addm $e2a up
>ifconfig $e1a up
>ifconfig $e2a up
>
>create_jail carp1 $e1b 253 0
>create_jail carp2 $e2b 254 100
>
>echo
>wait 3 "Waiting for things to settle"
>echo
>print_status
>
>echo
>echo "decreasing carp demotion in carp1 jail"
>jexec carp1 sysctl net.inet.carp.demotion=-${carp_demote_magic}
>
>echo
>wait 3 "Waiting for things to settle"
>echo
>print_status
>
>echo
>echo "increasing carp demotion in carp1 jail"
>jexec carp1 sysctl net.inet.carp.demotion=${carp_demote_magic}
>
>echo
>wait 3 "Waiting for things to settle"
>echo
>print_status
>echo

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Attachments on bug 259528: 229121 | 229122