From e1ee59f176c2acb01eefa8b83e54e1d0377930b1 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Thu, 12 Mar 2026 23:58:38 +0000
Subject: [PATCH] Add nogw/nogw4/nogw6 options to prevent assignment of gateway
---
test_integration.sh | 145 +++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 137 insertions(+), 8 deletions(-)
diff --git a/test_integration.sh b/test_integration.sh
index 7d55d8b..9f1744c 100755
--- a/test_integration.sh
+++ b/test_integration.sh
@@ -1,14 +1,21 @@
-#!/bin/sh
+#!/bin/bash
-set -e
+set -e -x
NAME=${NAME:-jacekkow/pyveth}
VERSION=${VERSION:-latest}
PLUGIN="${NAME}:${VERSION}"
+docker network rm test1 || true
+docker network rm test2 || true
+
docker plugin install jacekkow/pyipam:latest || true
+
+##########################
+# Test address assignment
+
docker network create \
--internal \
--driver "${PLUGIN}" \
@@ -26,8 +33,14 @@
alpine \
/sbin/ip addr show
)
-echo "${ADDRESSES}" | grep 192.168.255.129/24
-echo "${ADDRESSES}" | grep 2001:db8:aaaa:bbbb::1/32
+if ! echo "${ADDRESSES}" | grep 192.168.255.129/24; then
+ echo "ERROR: invalid IPv4 address assigned"
+ exit 1
+fi
+if ! echo "${ADDRESSES}" | grep 2001:db8:aaaa:bbbb::1/32; then
+ echo "ERROR: invalid IPv6 address assigned"
+ exit 1
+fi
ADDRESSES=$(docker run --rm --network test1 \
@@ -35,12 +48,21 @@
alpine \
/sbin/ip addr show
)
-echo "${ADDRESSES}" | grep 192.168.255.25/24
-echo "${ADDRESSES}" | grep 2001:db8:dddd:eeee:ffff:1:2:3/32
+if ! echo "${ADDRESSES}" | grep 192.168.255.25/24; then
+ echo "ERROR: invalid IPv4 address assigned"
+ exit 1
+fi
+if ! echo "${ADDRESSES}" | grep 2001:db8:dddd:eeee:ffff:1:2:3/32; then
+ echo "ERROR: invalid IPv6 address assigned"
+ exit 1
+fi
docker network rm test1
+######################
+# Test routing config
+
docker network create \
--driver "${PLUGIN}" \
--ipam-driver jacekkow/pyipam:latest \
@@ -55,12 +77,119 @@
alpine \
/sbin/ip route show
)
-echo "${ROUTES}" | grep 192.168.255.254
+if ! echo "${ROUTES}" | grep 192.168.255.254; then
+ echo "ERROR: invalid IPv4 route"
+ exit 1
+fi
ROUTES=$(docker run --rm --network test2 \
alpine \
/sbin/ip -6 route show
)
-echo "${ROUTES}" | grep 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff
+if ! echo "${ROUTES}" | grep 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff; then
+ echo "ERROR: invalid IPv6 route"
+ exit 1
+fi
+
+docker network rm test2
+
+
+##############
+# Test nogw=1
+
+docker network create \
+ --driver "${PLUGIN}" \
+ --opt nogw=1 \
+ --ipam-driver jacekkow/pyipam:latest \
+ --ipv6 \
+ --subnet 192.168.255.0/24 \
+ --subnet 2001:db8::/32 \
+ test2
+
+ROUTES=$(docker run --rm --network test2 \
+ alpine \
+ /sbin/ip route show
+)
+if echo "${ROUTES}" | grep 192.168.255.254; then
+ echo "ERROR: IPv4 route assigned with nogw=1"
+ exit 1
+fi
+
+ROUTES=$(docker run --rm --network test2 \
+ alpine \
+ /sbin/ip -6 route show
+)
+if echo "${ROUTES}" | grep 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff; then
+ echo "ERROR: IPv6 route assigned with nogw=1"
+ exit 1
+fi
+
+docker network rm test2
+
+
+###############
+# Test nogw4=1
+
+docker network create \
+ --driver "${PLUGIN}" \
+ --opt nogw4=1 \
+ --ipam-driver jacekkow/pyipam:latest \
+ --ipv6 \
+ --subnet 192.168.255.0/24 \
+ --subnet 2001:db8::/32 \
+ --gateway 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff \
+ test2
+
+ROUTES=$(docker run --rm --network test2 \
+ alpine \
+ /sbin/ip route show
+)
+if echo "${ROUTES}" | grep 192.168.255.254; then
+ echo "ERROR: IPv4 route assigned with nogw4=1"
+ exit 1
+fi
+
+ROUTES=$(docker run --rm --network test2 \
+ alpine \
+ /sbin/ip -6 route show
+)
+if ! echo "${ROUTES}" | grep 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff; then
+ echo "ERROR: IPv6 route not assigned with nogw4=1"
+ exit 1
+fi
+
+docker network rm test2
+
+
+################
+# Test nogw6=1
+
+docker network create \
+ --driver "${PLUGIN}" \
+ --opt nogw6=1 \
+ --ipam-driver jacekkow/pyipam:latest \
+ --ipv6 \
+ --subnet 192.168.255.0/24 \
+ --gateway 192.168.255.254 \
+ --subnet 2001:db8::/32 \
+ test2
+
+ROUTES=$(docker run --rm --network test2 \
+ alpine \
+ /sbin/ip route show
+)
+if ! echo "${ROUTES}" | grep 192.168.255.254; then
+ echo "ERROR: IPv4 route not assigned with nogw6=1"
+ exit 1
+fi
+
+ROUTES=$(docker run --rm --network test2 \
+ alpine \
+ /sbin/ip -6 route show
+)
+if echo "${ROUTES}" | grep 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff; then
+ echo "ERROR: IPv6 route assigned with nogw6=1"
+ exit 1
+fi
docker network rm test2
--
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