Signed-iff-by: David Gibson <david(a)gibson.dropbear.id.au>
---
test/tasst/ndp.py | 99 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 test/tasst/ndp.py
diff --git a/test/tasst/ndp.py b/test/tasst/ndp.py
new file mode 100644
index 00000000..e14d7a4c
--- /dev/null
+++ b/test/tasst/ndp.py
@@ -0,0 +1,99 @@
+#! /usr/bin/env avocado-runner-avocado-classless
+
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright Red Hat
+# Author: David Gibson <david(a)gibson.dropbear.id.au>
+
+"""
+Test A Simple Socket Transport
+
+ndp.py - Helpers for testing NDP
+"""
+
+import contextlib
+import ipaddress
+import os
+import tempfile
+
+from avocado_classless.test import assert_eq, test_output
+
+from tasst.address import IpiAllocator, TEST_NET6_TASST_A
+from tasst.nstool import unshare_site
+
+
+def test_ndp(ifname, network):
+ def dec(sitefn):
+ def test_ndp_addr(setup):
+ with setup as (site, _):
+ # Wait for NDP to do its thing
+ (addr,) = site.addr_wait(ifname, family='inet6',
+ scope='global')
+
+ # The SLAAC address is derived from the guest ns MAC,
+ # so probably won't exactly match the host address (we
+ # need DHCPv6 for that). It should be in the right
+ # network though.
+ assert_eq(addr.network, network)
+
+ def test_ndp_route(setup):
+ with setup as (site, gateway):
+ defroutes = site.routes6(dst='default')
+ while not defroutes:
+ defroutes = site.routes6(dst='default')
+
+ assert_eq(len(defroutes), 1)
+ gw = ipaddress.ip_address(defroutes[0]['gateway'])
+ assert_eq(gw, gateway)
+
+ return test_output(test_ndp_addr, test_ndp_route)(sitefn)
+ return dec
+
+
+IFNAME = 'clientif'
+NETWORK = TEST_NET6_TASST_A
+ipa = IpiAllocator(NETWORK)
+(ROUTER_IP6,) = ipa.next_ipis()
+
+
+@test_ndp(IFNAME, NETWORK)
+(a)contextlib.contextmanager
+def setup_radvd():
+ router_ifname = 'routerif'
+
+ with unshare_site('client', '-Un') as client, \
+ unshare_site('router', '-n', parent=client, sudo=True) as
router:
+ with tempfile.TemporaryDirectory() as tmpdir:
+ router.require_cmds('radvd')
+
+ client.veth(IFNAME, router_ifname, router)
+
+ # Configure the simulated router
+ confpath = os.path.join(tmpdir, 'radvd.conf')
+ pidfile = os.path.join(tmpdir, 'radvd.pid')
+ open(confpath, 'w', encoding='UTF-8').write(
+ f'''
+ interface {router_ifname} {{
+ AdvSendAdvert on;
+ prefix {NETWORK} {{
+ }};
+ }};
+ '''
+ )
+
+ router.ifup('lo')
+ router.ifup('routerif', ROUTER_IP6)
+
+ # Configure the client
+ client.ifup('lo')
+ client.ifup(IFNAME)
+
+ # Get the router's link-local-address
+ (router_ll,) = router.addr_wait(router_ifname,
+ family='inet6',
scope='link')
+
+ # Run radvd
+ router.fg(f'radvd -c -C {confpath}')
+ radvd_cmd = f'radvd -C {confpath} -p {pidfile} -n -d 5'
+ with router.bg(radvd_cmd, sudo=True, pidfile=pidfile):
+ yield client, router_ll.ip
--
2.41.0