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smoke test: test firewall inbound / outbound (#240)

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Test that basic inbound / outbound firewall rules work during the smoke
test. This change sets an inbound firewall rule on host3, and a new
host4 with outbound firewall rules. It also tests that conntrack allows
packets once the connection has been established.
This commit is contained in:
Wade Simmons
2020-06-26 13:46:51 -04:00
committed by GitHub
parent e94c6b0125
commit 55858c64cc
4 changed files with 51 additions and 17 deletions
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27
.github/workflows/smoke/smoke.sh vendored
View File

@@ -5,6 +5,7 @@ set -e -x
docker run --name lighthouse1 --rm nebula:smoke -config lighthouse1.yml -test
docker run --name host2 --rm nebula:smoke -config host2.yml -test
docker run --name host3 --rm nebula:smoke -config host3.yml -test
docker run --name host4 --rm nebula:smoke -config host4.yml -test
docker run --name lighthouse1 --device /dev/net/tun:/dev/net/tun --cap-add NET_ADMIN --rm nebula:smoke -config lighthouse1.yml &
sleep 1
@@ -12,6 +13,8 @@ docker run --name host2 --device /dev/net/tun:/dev/net/tun --cap-add NET_ADMIN -
sleep 1
docker run --name host3 --device /dev/net/tun:/dev/net/tun --cap-add NET_ADMIN --rm nebula:smoke -config host3.yml &
sleep 1
docker run --name host4 --device /dev/net/tun:/dev/net/tun --cap-add NET_ADMIN --rm nebula:smoke -config host4.yml &
sleep 1
set +x
echo
@@ -27,7 +30,8 @@ echo " *** Testing ping from host2"
echo
set -x
docker exec host2 ping -c1 192.168.100.1
docker exec host2 ping -c1 192.168.100.3
# Should fail because not allowed by host3 inbound firewall
! docker exec host2 ping -c1 192.168.100.3 -w5 || exit 1
set +x
echo
@@ -36,3 +40,24 @@ echo
set -x
docker exec host3 ping -c1 192.168.100.1
docker exec host3 ping -c1 192.168.100.2
set +x
echo
echo " *** Testing ping from host4"
echo
set -x
docker exec host4 ping -c1 192.168.100.1
# Should fail because not allowed by host4 outbound firewall
! docker exec host4 ping -c1 192.168.100.2 -w5 || exit 1
! docker exec host4 ping -c1 192.168.100.3 -w5 || exit 1
set +x
echo
echo " *** Testing conntrack"
echo
set -x
# host2 can ping host3 now that host3 pinged it first
docker exec host2 ping -c1 192.168.100.3
# host4 can ping host2 once conntrack established
docker exec host2 ping -c1 192.168.100.4
docker exec host4 ping -c1 192.168.100.2