smoketest: dhcpv6-relay: T3095: initial tests

1 files changed, 102 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_service_dhcpv6-relay.py b/smoketest/scripts/cli/test_service_dhcpv6-relay.py
new file mode 100755
index 000000000..b0f17acaa
--- /dev/null
+++ b/smoketest/scripts/cli/test_service_dhcpv6-relay.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import re
+import os
+import unittest
+
+from vyos.configsession import ConfigSession
+from vyos.configsession import ConfigSessionError
+from vyos.ifconfig import Section
+from vyos.template import address_from_cidr
+from vyos.util import cmd
+from vyos.util import process_named_running
+from vyos.util import read_file
+
+PROCESS_NAME = 'dhcrelay'
+RELAY_CONF = '/run/dhcp-relay/dhcpv6.conf'
+base_path = ['service', 'dhcpv6-relay']
+
+upstream_if = 'eth0'
+upstream_if_addr = '2001:db8::1/64'
+listen_addr = '2001:db8:ffff::1/64'
+interfaces = []
+
+class TestServiceDHCPv6Relay(unittest.TestCase):
+    def setUp(self):
+        self.session = ConfigSession(os.getpid())
+        for tmp in interfaces:
+            listen = listen_addr
+            if tmp == upstream_if:
+                listen = upstream_if_addr
+            self.session.set(['interfaces', 'ethernet', tmp, 'address', listen])
+
+    def tearDown(self):
+        self.session.delete(base_path)
+        for tmp in interfaces:
+            listen = listen_addr
+            if tmp == upstream_if:
+                listen = upstream_if_addr
+            self.session.delete(['interfaces', 'ethernet', tmp, 'address', listen])
+
+        self.session.commit()
+        del self.session
+
+    def test_relay_default(self):
+        dhcpv6_server = '2001:db8::ffff'
+        hop_count = '20'
+
+        self.session.set(base_path + ['upstream-interface', upstream_if, 'address', dhcpv6_server])
+        self.session.set(base_path + ['use-interface-id-option'])
+        self.session.set(base_path + ['max-hop-count', hop_count])
+
+        # add listener on all ethernet interfaces except the upstream interface
+        for tmp in interfaces:
+            if tmp == upstream_if:
+                continue
+            self.session.set(base_path + ['listen-interface', tmp, 'address', listen_addr.split('/')[0]])
+
+        # commit changes
+        self.session.commit()
+
+        # Check configured port
+        config = read_file(RELAY_CONF)
+
+        # Test configured upstream interfaces
+        self.assertIn(f'-u {dhcpv6_server}%{upstream_if}', config)
+
+        # Check listener on all ethernet interfaces
+        for tmp in interfaces:
+            if tmp == upstream_if:
+                continue
+            addr = listen_addr.split('/')[0]
+            self.assertIn(f'-l {addr}%{tmp}', config)
+
+        # Check hop count
+        self.assertIn(f'-c {hop_count}', config)
+        # Check Interface ID option
+        self.assertIn('-I', config)
+
+        # Check for running process
+        self.assertTrue(process_named_running(PROCESS_NAME))
+
+if __name__ == '__main__':
+    for tmp in Section.interfaces('ethernet'):
+        if '.' not in tmp:
+            interfaces.append(tmp)
+
+    unittest.main()
+