smoketest: bfd: add initial test

(cherry picked from commit b01c23d48a3ff3b95175568198fb307ffbc04b86)

1 files changed, 124 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_protocols_bfd.py b/smoketest/scripts/cli/test_protocols_bfd.py
new file mode 100755
index 000000000..044b4b92e
--- /dev/null
+++ b/smoketest/scripts/cli/test_protocols_bfd.py
@@ -0,0 +1,124 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 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 os
+import unittest
+
+from vyos.configsession import ConfigSession
+from vyos.configsession import ConfigSessionError
+from vyos.util import cmd
+from vyos.util import process_named_running
+
+PROCESS_NAME = 'bfdd'
+base_path = ['protocols', 'bfd']
+
+neighbor_config = {
+    '192.0.2.1' : {
+        'intv_rx'    : '500',
+        'intv_tx'    : '600',
+        'multihop'   : '',
+        'source_addr': '192.0.2.254',
+        },
+    '192.0.2.2' : {
+        'echo_mode'  : '',
+        'intv_echo'  : '100',
+        'intv_mult'  : '111',
+        'intv_rx'    : '222',
+        'intv_tx'    : '333',
+        'shutdown'   : '',
+        'source_intf': 'lo',
+        },
+    '2001:db8::1' : {
+        'source_addr': 'fe80::1',
+        'source_intf': 'eth0',
+        },
+    '2001:db8::2' : {
+        'source_addr': 'fe80::1',
+        'multihop'   : '',
+        },
+}
+
+def getFRRconfig():
+    return cmd('vtysh -c "show run" | sed -n "/^bfd/,/^!/p"')
+
+def getBFDPeerconfig(peer):
+    return cmd(f'vtysh -c "show run" | sed -n "/^ {peer}/,/^!/p"')
+
+class TestProtocolsBFD(unittest.TestCase):
+    def setUp(self):
+        self.session = ConfigSession(os.getpid())
+
+    def tearDown(self):
+        self.session.delete(base_path)
+        self.session.commit()
+        del self.session
+
+        # Check for running process
+        self.assertTrue(process_named_running(PROCESS_NAME))
+
+    def test_bfd_simple(self):
+        for peer, peer_config in neighbor_config.items():
+            if 'echo_mode' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'echo-mode'])
+            if 'intv_echo' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'interval', 'echo-interval', peer_config["intv_echo"]])
+            if 'intv_mult' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'interval', 'multiplier', peer_config["intv_mult"]])
+            if 'intv_rx' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'interval', 'receive', peer_config["intv_rx"]])
+            if 'intv_tx' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'interval', 'transmit', peer_config["intv_tx"]])
+            if 'multihop' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'multihop'])
+            if 'shutdown' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'shutdown'])
+            if 'source_addr' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'source', 'address', peer_config["source_addr"]])
+            if 'source_intf' in peer_config:
+                self.session.set(base_path + ['peer', peer, 'source', 'interface', peer_config["source_intf"]])
+
+        # commit changes
+        self.session.commit()
+
+        # Verify FRR bgpd configuration
+        frrconfig = getFRRconfig()
+        for peer, peer_config in neighbor_config.items():
+            tmp = f'peer {peer}'
+            if 'multihop' in peer_config:
+                tmp += f' multihop'
+            if 'source_addr' in peer_config:
+                tmp += f' local-address {peer_config["source_addr"]}'
+            if 'source_intf' in peer_config:
+                tmp += f' interface {peer_config["source_intf"]}'
+
+            self.assertIn(tmp, frrconfig)
+            peerconfig = getBFDPeerconfig(tmp)
+
+            if 'echo_mode' in peer_config:
+                self.assertIn(f' echo-mode', peerconfig)
+            if 'intv_echo' in peer_config:
+                self.assertIn(f' echo-interval {peer_config["intv_echo"]}', peerconfig)
+            if 'intv_mult' in peer_config:
+                self.assertIn(f' detect-multiplier {peer_config["intv_mult"]}', peerconfig)
+            if 'intv_rx' in peer_config:
+                self.assertIn(f' receive-interval {peer_config["intv_rx"]}', peerconfig)
+            if 'intv_tx' in peer_config:
+                self.assertIn(f' transmit-interval {peer_config["intv_tx"]}', peerconfig)
+            if 'shutdown' not in peer_config:
+                self.assertIn(f' no shutdown', peerconfig)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)