From 8b6f34f8a134875c5eeeaa14688104a697973eea Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Mon, 24 May 2021 21:07:22 +0200
Subject: isis: T3417: add CLI node to enable "log-adjacency-changes"

---
 data/templates/frr/isis.frr.tmpl                                | 3 +++
 interface-definitions/include/isis/protocol-common-config.xml.i | 6 ++++++
 smoketest/scripts/cli/test_protocols_isis.py                    | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/data/templates/frr/isis.frr.tmpl b/data/templates/frr/isis.frr.tmpl
index f000830b0..bd7be85f4 100644
--- a/data/templates/frr/isis.frr.tmpl
+++ b/data/templates/frr/isis.frr.tmpl
@@ -20,6 +20,9 @@ router isis VyOS {{ 'vrf ' + vrf if vrf is defined and vrf is not none }}
  domain-password clear {{ domain_password.plaintext_password }}
 {%   endif %}
 {% endif %}
+{% if log_adjacency_changes is defined %}
+ log-adjacency-changes
+{% endif %}
 {% if lsp_gen_interval is defined and lsp_gen_interval is not none %}
  lsp-gen-interval {{ lsp_gen_interval }}
 {% endif %}
diff --git a/interface-definitions/include/isis/protocol-common-config.xml.i b/interface-definitions/include/isis/protocol-common-config.xml.i
index 3ed0b0607..6a8f3eb24 100644
--- a/interface-definitions/include/isis/protocol-common-config.xml.i
+++ b/interface-definitions/include/isis/protocol-common-config.xml.i
@@ -108,6 +108,12 @@
     </constraint>
   </properties>
 </leafNode>
+<leafNode name="log-adjacency-changes">
+  <properties>
+    <help>Log adjacency state changes</help>
+    <valueless/>
+  </properties>
+</leafNode>
 <leafNode name="lsp-gen-interval">
   <properties>
     <help>Minimum interval between regenerating same LSP</help>
diff --git a/smoketest/scripts/cli/test_protocols_isis.py b/smoketest/scripts/cli/test_protocols_isis.py
index f6c13991b..69db58465 100755
--- a/smoketest/scripts/cli/test_protocols_isis.py
+++ b/smoketest/scripts/cli/test_protocols_isis.py
@@ -66,6 +66,7 @@ class TestProtocolsISIS(VyOSUnitTestSHIM.TestCase):
 
         self.isis_base_config()
         self.cli_set(base_path + ['redistribute', 'ipv4', 'connected', 'level-2', 'route-map', route_map])
+        self.cli_set(base_path + ['log-adjacency-changes'])
 
         # Commit all changes
         self.cli_commit()
@@ -73,6 +74,7 @@ class TestProtocolsISIS(VyOSUnitTestSHIM.TestCase):
         # Verify all changes
         tmp = self.getFRRconfig(f'router isis {domain}')
         self.assertIn(f' net {net}', tmp)
+        self.assertIn(f' log-adjacency-changes', tmp)
         self.assertIn(f' redistribute ipv4 connected level-2 route-map {route_map}', tmp)
 
         for interface in self._interfaces:
-- 
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