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Another shot at the flakey smoke test (#1688)

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Nate Brown
2026-04-23 13:51:15 -05:00
committed by GitHub
parent 5f00ab4b74
commit db9218b0be
1 changed files with 6 additions and 6 deletions
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12
.github/workflows/smoke/smoke.sh vendored
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@@ -82,7 +82,7 @@ docker exec host4 tcpdump -i eth0 -q -w - -U 2>logs/host4.outside.log >logs/host
docker exec host2 ncat -nklv 0.0.0.0 2000 &
docker exec host3 ncat -nklv 0.0.0.0 2000 &
docker exec host4 ncat -nkluv 0.0.0.0 4000 &
docker exec host4 ncat -e '/usr/bin/echo helloagainfromhost4' -nkluv 0.0.0.0 4000 &
docker exec host2 ncat -e '/usr/bin/echo host2' -nkluv 0.0.0.0 3000 &
docker exec host3 ncat -e '/usr/bin/echo host3' -nkluv 0.0.0.0 3000 &
@@ -155,11 +155,11 @@ echo " *** Testing conntrack"
echo
set -x
# host2 speaking to host4 on UDP 4000 should allow it to reply, when firewall rules would normally not permit this
docker exec host2 sh -c "/usr/bin/echo host2 | ncat -nuv 192.168.100.4 4000"
docker exec host2 ncat -e '/usr/bin/echo helloagainfromhost2' -nkluv 0.0.0.0 4000 &
sleep 1
docker exec host4 sh -c "/usr/bin/echo host4 | ncat -nuv 192.168.100.2 4000"
# host4's outbound firewall only allows ICMP to the lighthouse, so host4
# cannot initiate UDP to host2. Once host2 initiates a flow to host4:4000,
# conntrack must let host4's listener reply on that flow. If it doesn't,
# the echo back from host4 never reaches host2.
docker exec host2 sh -c "(/usr/bin/echo host2; sleep 2) | ncat -nuv 192.168.100.4 4000" | grep -q helloagainfromhost4
docker exec host4 sh -c 'kill 1'
docker exec host3 sh -c 'kill 1'