From df52a5fdf592c5bbb51ae0844da5df4e89ff632e Mon Sep 17 00:00:00 2001
From: zsdc <taras@vyos.io>
Date: Thu, 2 Apr 2020 19:49:00 +0300
Subject: VRRP: T1820: Added transition-script support for sync-groups

Note: if transition-scripts configured for both vrrp instance and sync group, which are it a member of, both scripts will be executed.
---
 interface-definitions/vrrp.xml.in | 39 +++++++++++++++++++++++++++++++++++++++
 src/conf_mode/vrrp.py             |  6 ++++++
 2 files changed, 45 insertions(+)

diff --git a/interface-definitions/vrrp.xml.in b/interface-definitions/vrrp.xml.in
index 89d22f79f..120c7d218 100644
--- a/interface-definitions/vrrp.xml.in
+++ b/interface-definitions/vrrp.xml.in
@@ -254,6 +254,45 @@
                   </completionHelp>
                 </properties>
               </leafNode>
+              <node name="transition-script">
+                <properties>
+                  <help>VRRP transition scripts</help>
+                </properties>
+                <children>
+                  <leafNode name="master">
+                    <properties>
+                      <help>Script to run on VRRP state transition to master</help>
+                      <constraint>
+                        <validator name="script"/>
+                      </constraint>
+                    </properties>
+                  </leafNode>
+                  <leafNode name="backup">
+                    <properties>
+                      <help>Script to run on VRRP state transition to backup</help>
+                      <constraint>
+                        <validator name="script"/>
+                      </constraint>
+                    </properties>
+                  </leafNode>
+                  <leafNode name="fault">
+                    <properties>
+                      <help>Script to run on VRRP state transition to fault</help>
+                      <constraint>
+                        <validator name="script"/>
+                      </constraint>
+                    </properties>
+                  </leafNode>
+                  <leafNode name="stop">
+                    <properties>
+                      <help>Script to run on VRRP state transition to stop</help>
+                      <constraint>
+                        <validator name="script"/>
+                      </constraint>
+                    </properties>
+                  </leafNode>
+                </children>
+              </node>
             </children>
           </tagNode>
         </children>
diff --git a/src/conf_mode/vrrp.py b/src/conf_mode/vrrp.py
index b17f1ce82..b206f0d11 100755
--- a/src/conf_mode/vrrp.py
+++ b/src/conf_mode/vrrp.py
@@ -227,6 +227,12 @@ def get_config():
             if conntrack_sync_group == sync_group_name:
                 sync_group["conntrack_sync"] = True
 
+        # add transition script configuration
+        sync_group["master_script"] = config.return_value("transition-script master")
+        sync_group["backup_script"] = config.return_value("transition-script backup")
+        sync_group["fault_script"] = config.return_value("transition-script fault")
+        sync_group["stop_script"] = config.return_value("transition-script stop")
+
         sync_groups.append(sync_group)
 
     # create a file with dict with proposed configuration
-- 
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