1 files changed, 71 insertions, 0 deletions
diff --git a/examples/python/dbus/checkpoint.py b/examples/python/dbus/checkpoint.py
new file mode 100755
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+++ b/examples/python/dbus/checkpoint.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2016 Red Hat, Inc.
+#
+# This example takes a list of device interface names as a parameter
+# and tells NetworkManager to create a checkpoint on those devices. It
+# is then possible to restore or destroy the checkpoint.
+
+# Get a proxy for the base NetworkManager object
+
+import dbus, sys
+
+bus = dbus.SystemBus()
+proxy = bus.get_object(
+    "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager"
+)
+manager = dbus.Interface(proxy, "org.freedesktop.NetworkManager")
+allDevs = manager.GetDevices()
+
+
+def Usage():
+    print("Usage: %s <ROLLBACK-INTERVAL> [INTERFACE]..." % sys.argv[0])
+    sys.exit(1)
+
+
+def GetDevicePath(ifname):
+    for dev in allDevs:
+        dev_proxy = bus.get_object("org.freedesktop.NetworkManager", dev)
+        prop_iface = dbus.Interface(dev_proxy, "org.freedesktop.DBus.Properties")
+        interface = prop_iface.Get("org.freedesktop.NetworkManager.Device", "Interface")
+        if interface == ifname:
+            return dev
+    return
+
+
+if len(sys.argv) < 2:
+    Usage()
+
+try:
+    interval = int(sys.argv[1])
+except ValueError:
+    Usage()
+
+devList = []
+
+for arg in sys.argv[2:]:
+    path = GetDevicePath(arg)
+    if path is None:
+        raise Exception("NetworkManager knows nothing about %s" % arg)
+    else:
+        devList.append(path)
+
+checkpoint = manager.CheckpointCreate(devList, interval, 1)
+# DESTROY_ALL
+
+try:
+    # Workaround for Python2
+    input = raw_input
+except NameError:
+    pass
+
+choice = input("Do you want to rollback [y/n]? ").lower()
+if choice == "y":
+    print("Rollback checkpoint")
+    results = manager.CheckpointRollback(checkpoint)
+    for d in results:
+        print("  - device %s: result %u" % (d, results[d]))
+else:
+    print("Destroy checkpoint")
+    manager.CheckpointDestroy(checkpoint)