3 files changed, 76 insertions, 0 deletions
diff --git a/src/helpers/run-config-migration.py b/src/helpers/run-config-migration.py
index e6ce97363..8e0d56150 100755
--- a/src/helpers/run-config-migration.py
+++ b/src/helpers/run-config-migration.py
@@ -19,6 +19,7 @@ import sys
 import time
 from argparse import ArgumentParser
 from shutil import copyfile
+from vyos.utils.file import read_file
 
 from vyos.migrate import ConfigMigrate
 from vyos.migrate import ConfigMigrateError
@@ -76,3 +77,9 @@ except ConfigMigrateError as e:
 
 if backup is not None and not config_migrate.config_modified:
     os.unlink(backup)
+
+# T1771: add knob on Kernel command-line to simulate failed config migrator run
+# used to test if the automatic image reboot works.
+kernel_cmdline = read_file('/proc/cmdline')
+if 'vyos-fail-migration' in kernel_cmdline.split():
+    sys.exit(1)
diff --git a/src/helpers/set_vyconf_backend.py b/src/helpers/set_vyconf_backend.py
new file mode 100755
index 000000000..6747e51c3
--- /dev/null
+++ b/src/helpers/set_vyconf_backend.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2025 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/>.
+#
+#
+
+# N.B. only for use within testing framework; explicit invocation will leave
+# system in inconsistent state.
+
+from argparse import ArgumentParser
+
+from vyos.utils.backend import set_vyconf_backend
+
+
+parser = ArgumentParser()
+parser.add_argument('--disable', action='store_true',
+                    help='enable/disable vyconf backend')
+parser.add_argument('--no-prompt', action='store_true',
+                    help='confirm without prompt')
+
+args = parser.parse_args()
+
+match args.disable:
+    case False:
+        set_vyconf_backend(True, no_prompt=args.no_prompt)
+    case True:
+        set_vyconf_backend(False, no_prompt=args.no_prompt)
diff --git a/src/helpers/teardown-config-session.py b/src/helpers/teardown-config-session.py
new file mode 100755
index 000000000..c94876924
--- /dev/null
+++ b/src/helpers/teardown-config-session.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2025 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 sys
+import os
+
+from vyos.vyconf_session import VyconfSession
+
+if len(sys.argv) < 2:
+    sys.exit('session pid is required')
+
+pid = sys.argv[1]
+
+vc = VyconfSession(pid=pid)
+vc.teardown()