reverse-proxy: T6409: Remove unused backend parameters

interface-definitions/include/version/reverseproxy-version.xml.i

@@ -0,0 +1,3 @@
+<!-- include start from include/version/reverseproxy-version.xml.i -->
+<syntaxVersion component='reverse-proxy' version='1'></syntaxVersion>
+<!-- include end -->

interface-definitions/load-balancing_reverse-proxy.xml.in

@@ -92,19 +92,6 @@
               #include <include/generic-description.xml.i>
               #include <include/haproxy/mode.xml.i>
               #include <include/haproxy/http-response-headers.xml.i>
-              <node name="parameters">
-                <properties>
-                  <help>Backend parameters</help>
-                </properties>
-                <children>
-                  <leafNode name="http-check">
-                    <properties>
-                      <help>HTTP health check</help>
-                      <valueless/>
-                    </properties>
-                  </leafNode>
-                </children>
-              </node>
               <node name="http-check">
                 <properties>
                   <help>HTTP check configuration</help>

interface-definitions/xml-component-version.xml.in

@@ -48,4 +48,5 @@
   #include <include/version/vyos-accel-ppp-version.xml.i>
   #include <include/version/wanloadbalance-version.xml.i>
   #include <include/version/webproxy-version.xml.i>
+  #include <include/version/reverseproxy-version.xml.i>
 </interfaceDefinition>

src/migration-scripts/reverse-proxy/0-to-1

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 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/>.
+
+# T6409: Remove unused 'backend bk-example parameters' node
+
+from sys import argv, exit
+from vyos.configtree import ConfigTree
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['load-balancing', 'reverse-proxy', 'backend']
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+else:
+    # we need to run this for every configured network
+    for backend in config.list_nodes(base):
+        param_node = base + [backend, 'parameters']
+        if config.exists(param_node):
+            config.delete(param_node)
+
+    try:
+        with open(file_name, 'w') as f:
+            f.write(config.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        exit(1)