system: T3119: migrate "system ip" to get_config_dict() incl. smoketest

1 files changed, 79 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_system_ip.py b/smoketest/scripts/cli/test_system_ip.py
new file mode 100755
index 000000000..4fcaaa465
--- /dev/null
+++ b/smoketest/scripts/cli/test_system_ip.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 Francois Mertz fireboxled@gmail.com
+#
+# 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 os
+import unittest
+
+from vyos.configsession import ConfigSession
+from vyos.util import read_file
+
+base_path = ['system', 'ip']
+
+class TestSystemIP(unittest.TestCase):
+    def setUp(self):
+        self.session = ConfigSession(os.getpid())
+
+    def tearDown(self):
+        self.session.delete(base_path)
+        self.session.commit()
+        del self.session
+
+    def test_system_ip_forwarding(self):
+        """ Test if IPv4 forwarding can be disabled globally, default is '1'
+        which means forwearding enabled """
+        all_forwarding = '/proc/sys/net/ipv4/conf/all/forwarding'
+        self.assertEqual(read_file(all_forwarding), '1')
+
+        self.session.set(base_path + ['disable-forwarding'])
+        self.session.commit()
+
+        self.assertEqual(read_file(all_forwarding), '0')
+
+    def test_system_ip_multipath(self):
+        """ test IPv4 multipathing options, options default to off -> '0' """
+        use_neigh = '/proc/sys/net/ipv4/fib_multipath_use_neigh'
+        hash_policy = '/proc/sys/net/ipv4/fib_multipath_hash_policy'
+
+        self.assertEqual(read_file(use_neigh), '0')
+        self.assertEqual(read_file(hash_policy), '0')
+
+        self.session.set(base_path + ['multipath', 'ignore-unreachable-nexthops'])
+        self.session.set(base_path + ['multipath', 'layer4-hashing'])
+        self.session.commit()
+
+        self.assertEqual(read_file(use_neigh), '1')
+        self.assertEqual(read_file(hash_policy), '1')
+
+    def test_system_ip_arp_table_size(self):
+        """ Maximum number of entries to keep in the ARP cache, the default is 8k """
+
+        gc_thresh3 = '/proc/sys/net/ipv4/neigh/default/gc_thresh3'
+        gc_thresh2 = '/proc/sys/net/ipv4/neigh/default/gc_thresh2'
+        gc_thresh1 = '/proc/sys/net/ipv4/neigh/default/gc_thresh1'
+        self.assertEqual(read_file(gc_thresh3), '8192')
+        self.assertEqual(read_file(gc_thresh2), '4096')
+        self.assertEqual(read_file(gc_thresh1), '1024')
+
+        for size in [1024, 2048, 4096, 8192, 16384, 32768]:
+            self.session.set(base_path + ['arp', 'table-size', str(size)])
+            self.session.commit()
+
+            self.assertEqual(read_file(gc_thresh3), str(size))
+            self.assertEqual(read_file(gc_thresh2), str(size // 2))
+            self.assertEqual(read_file(gc_thresh1), str(size // 8))
+
+if __name__ == '__main__':
+    unittest.main()