Signed-iff-by: David Gibson
---
avocado/tasst/ndp.py | 129 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 129 insertions(+)
create mode 100644 avocado/tasst/ndp.py
diff --git a/avocado/tasst/ndp.py b/avocado/tasst/ndp.py
new file mode 100644
index 0000000..5d9c01c
--- /dev/null
+++ b/avocado/tasst/ndp.py
@@ -0,0 +1,129 @@
+#! /usr/bin/python3
+
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# tasst - Test A Simple Socket Transport
+# library of test helpers for passt & pasta
+#
+# tasst/ndp.py - Helpers for testing NDP
+#
+# Copyright Red Hat
+# Author: David Gibson
+
+import ipaddress
+import os
+
+from tasst import Tasst, TasstSubData
+from tasst.address import IpiAllocator, TEST_NET6_TASST_A
+from tasst.nstool import UnshareSite
+
+class BaseNdpTasst(Tasst):
+ """
+ Test NDP behaviour.
+
+ :avocado: disable
+ """
+
+ def subsetup(self, site, ifname, net, gw):
+ Tasst.subsetup(self, BaseNdpTasst,
+ TasstSubData(site=site, ifname=ifname, net=net, gw=gw))
+
+ def test_addr(self):
+ sub = self.get_subsetup(BaseNdpTasst)
+
+ # Wait for NDP to do its thing
+ (addr,) = sub.site.addr_wait(sub.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.
+ self.assertEquals(addr.network, sub.net)
+
+ def test_route(self):
+ sub = self.get_subsetup(BaseNdpTasst)
+
+ defroutes = sub.site.routes6(dst='default')
+ while not defroutes:
+ defroutes = sub.site.routes6(dst='default')
+
+ self.assertEquals(len(defroutes), 1)
+ gateway = ipaddress.ip_address(defroutes[0]['gateway'])
+ self.assertEquals(gateway, sub.gw)
+
+
+class MetaNdpTasst(BaseNdpTasst):
+ """Ugly workaround for
+ https://github.com/avocado-framework/avocado/issues/5680.
+ Explicitly apply the "meta" tag to inherited tests
+
+ :avocado: disable
+ :avocado: tags=meta
+
+ """
+
+ def test_addr(self):
+ super().test_addr()
+
+ def test_route(self):
+ super().test_route()
+
+
+class RadvdNdpTasst(MetaNdpTasst):
+ timeout = 15.0
+
+ def setUp(self):
+ super().setUp()
+
+ ifname = 'clientif'
+ router_ifname = 'routerif'
+ prefix = TEST_NET6_TASST_A
+
+ self.client = UnshareSite(self.__class__.__name__ + '.client', '-Un')
+ self.router = UnshareSite(self.__class__.__name__ + '.router', '-n',
+ parent=self.client, sudo=True)
+
+ self.router.require_cmds('radvd')
+
+ self.client.veth(ifname, router_ifname, self.router)
+
+ # Configure the simulated router
+ ipa = IpiAllocator(prefix)
+ (router_ip6,) = ipa.next_ipis()
+
+ confpath = os.path.join(self.workdir, 'radvd.conf')
+ self.pidpath = os.path.join(self.workdir, 'radvd.pid')
+ open(confpath, 'w').write(
+ '''
+ interface {} {{
+ AdvSendAdvert on;
+ prefix {} {{
+ }};
+ }};
+ '''.format(router_ifname, prefix))
+
+ self.router.ifup('lo')
+ self.router.ifup('routerif', router_ip6)
+
+ # Configure the client
+ self.client.ifup('lo')
+ self.client.ifup(ifname)
+
+ # Get the router's link-local-address
+ (self.router_ll,) = self.router.addr_wait(router_ifname,
+ family='inet6', scope='link')
+
+ # Run radvd
+ self.router.fg('radvd -c -C {}'.format(confpath))
+ self.radvd = self.router.bg('radvd -C {} -p {} -n -d 5'.format(confpath, self.pidpath),
+ sudo=True)
+
+ BaseNdpTasst.subsetup(self, self.client, ifname, prefix, self.router_ll.ip)
+
+ def tearDown(self):
+ pid = int(open(self.pidpath).read())
+ self.router.fg('kill {}'.format(pid))
+ status = self.radvd.wait()
+ self.assertEquals(status, 0)
+ self.router.close()
+ self.client.close()
+ super().tearDown()
--
2.40.1