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docker/routlin-dash/app/action_apply_mdns.py

@@ -1,25 +1,30 @@
+import copy
+
 from flask import Blueprint, request, redirect, flash
 from auth import require_level
-from config_utils import load_core, save_core, verify_core_hash, queued_msg
+from config_utils import load_core, save_core_with_snapshot, verify_core_hash
 import sanitize
 import validation as validate
 
 bp = Blueprint('action_apply_mdns', __name__)
 
 
-
 @bp.route('/action/apply_mdns', methods=['POST'])
 @require_level('administrator')
 def apply_mdns():
-    mdns_enabled      = 'mdns_enabled' in request.form
+    mdns_enabled = 'mdns_enabled' in request.form
 
     if not verify_core_hash(request.form.get('config_hash', '')):
         flash('Configuration was modified by another session. Please refresh and try again.', 'error')
         return redirect('/view/view_mdns')
 
     core = load_core()
-    mdns_reflect_vlans = sanitize.filterlist(request.form.getlist('mdns_reflect_vlans'),
-                                             {v.get('name') for v in core.get('vlans', [])})
+    mdns_reflect_vlans = sanitize.filterlist(
+        request.form.getlist('mdns_reflect_vlans'),
+        {v.get('name') for v in core.get('vlans', [])},
+    )
+
+    before = copy.deepcopy(core.get('mdns_reflection', {}))
     core.setdefault('mdns_reflection', {}).update({
         'enabled':       mdns_enabled,
         'reflect_vlans': mdns_reflect_vlans,
@@ -29,7 +34,11 @@ def apply_mdns():
         for msg in errors:
             flash(msg, 'error')
         return redirect('/view/view_mdns')
-    save_core(core)
 
-    flash(queued_msg('core apply'), 'success')
+    flash(save_core_with_snapshot(
+        core,
+        path='mdns_reflection', key='global', operation='edit',
+        before=before or None, after=copy.deepcopy(core['mdns_reflection']),
+        description='Updated mDNS reflection settings',
+    ), 'success')
     return redirect('/view/view_mdns')