summaryrefslogtreecommitdiff
path: root/examples/python/gi/checkpoint.py
blob: 0a42fa1cc0ab34d92f464e4a549852e065eb0001 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright (C) 2017 Red Hat, Inc.
#

import sys

import gi

gi.require_version("NM", "1.0")
from gi.repository import GLib, NM

###############################################################################


def usage():
    print("Usage: %s [COMMAND [ARG]...]" % sys.argv[0])
    print("")
    print(" COMMANDS:  [show]")
    print(
        "            create TIMEOUT [--destroy-all|--delete-new-connections|--disconnect-new-devices|--allow-overlapping|DEV]..."
    )
    print("            destroy PATH|NUMBER")
    print("            rollback PATH|NUMBER")
    print("            adjust-rollback-timeout PATH|NUMBER TIMEOUT")
    print("")
    sys.exit(1)


def show(c, ts=None):
    cr = c.get_created()
    rt = c.get_rollback_timeout()
    print("%s:" % c.get_path())
    print(
        "  created: %u%s"
        % (cr, "" if ts is None else (" (%s sec ago)" % ((ts - cr) / 1000.0)))
    )
    if rt == 0:
        print("  timeout: infinity")
    else:
        print(
            "  timeout: %u seconds%s"
            % (
                rt,
                ""
                if ts is None
                else (" (circa %s sec left)" % ((cr + (rt * 1000) - ts) / 1000.0)),
            )
        )
    print(
        "  devices: %s"
        % (" ".join(sorted(map(lambda x: x.get_iface(), c.get_devices()))))
    )


def find_checkpoint(client, path):
    for c in client.get_checkpoints():
        if c.get_path() == path:
            return c
    return None


def validate_path(path, client):
    try:
        num = int(path)
        path = "/org/freedesktop/NetworkManager/Checkpoint/%u" % (num)
    except Exception as e:
        pass

    if not path or path[0] != "/":
        sys.exit('Invalid checkpoint path "%s"' % (path))

    if client is not None:
        checkpoint = find_checkpoint(client, path)
        if checkpoint is None:
            print('WARNING: no checkpoint with path "%s" found' % (path))

    return path


def do_create(client):
    flags = NM.CheckpointCreateFlags.NONE
    if len(sys.argv) < 3:
        sys.exit("Failed: missing argument timeout")

    timeout = int(sys.argv[2])
    devices = []
    for arg in sys.argv[3:]:
        if arg == "--destroy-all":
            flags |= NM.CheckpointCreateFlags.DESTROY_ALL
        elif arg == "--delete-new-connections":
            flags |= NM.CheckpointCreateFlags.DELETE_NEW_CONNECTIONS
        elif arg == "--disconnect-new-devices":
            flags |= NM.CheckpointCreateFlags.DISCONNECT_NEW_DEVICES
        elif arg == "--allow-overlapping":
            flags |= NM.CheckpointCreateFlags.ALLOW_OVERLAPPING
        else:
            d = client.get_device_by_iface(arg)
            if d is None:
                sys.exit("Unknown device %s" % arg)
            devices.append(d)

    def create_cb(client, result, data):
        try:
            checkpoint = client.checkpoint_create_finish(result)
            print("%s" % checkpoint.get_path())
        except Exception as e:
            sys.stderr.write("Failed: %s\n" % e.message)
        main_loop.quit()

    client.checkpoint_create(devices, timeout, flags, None, create_cb, None)


def do_destroy(client):
    if len(sys.argv) < 3:
        sys.exit("Missing checkpoint path")

    path = validate_path(sys.argv[2], client)

    def destroy_cb(client, result, data):
        try:
            if client.checkpoint_destroy_finish(result) == True:
                print("Success")
        except Exception as e:
            sys.stderr.write("Failed: %s\n" % e.message)
        main_loop.quit()

    client.checkpoint_destroy(path, None, destroy_cb, None)


def do_rollback(client):
    if len(sys.argv) < 3:
        sys.exit("Missing checkpoint path")

    path = validate_path(sys.argv[2], client)

    def rollback_cb(client, result, data):
        try:
            res = client.checkpoint_rollback_finish(result)
            for path in res:
                d = client.get_device_by_path(path)
                if d is None:
                    iface = path
                else:
                    iface = d.get_iface()
                print("%s => %s" % (iface, "OK" if res[path] == 0 else "ERROR"))
        except Exception as e:
            sys.stderr.write("Failed: %s\n" % e.message)
        main_loop.quit()

    client.checkpoint_rollback(path, None, rollback_cb, None)


def do_adjust_rollback_timeout(client):
    if len(sys.argv) < 3:
        sys.exit("Missing checkpoint path")
    if len(sys.argv) < 4:
        sys.exit("Missing timeout")
    try:
        add_timeout = int(sys.argv[3])
    except Exception:
        sys.exit("Invalid timeout")

    path = validate_path(sys.argv[2], client)

    def adjust_rollback_timeout_cb(client, result, data):
        try:
            client.checkpoint_adjust_rollback_timeout_finish(result)
            print("Success")
        except Exception as e:
            sys.stderr.write("Failed: %s\n" % e.message)
        main_loop.quit()

    client.checkpoint_adjust_rollback_timeout(
        path, add_timeout, None, adjust_rollback_timeout_cb, None
    )


def do_show(client):
    ts = NM.utils_get_timestamp_msec()
    for c in client.get_checkpoints():
        show(c, ts)


if __name__ == "__main__":
    nm_client = NM.Client.new(None)
    main_loop = GLib.MainLoop()

    if len(sys.argv) < 2 or sys.argv[1] == "show":
        do_show(nm_client)
        sys.exit(0)
    elif sys.argv[1] == "create":
        do_create(nm_client)
    elif sys.argv[1] == "destroy":
        do_destroy(nm_client)
    elif sys.argv[1] == "rollback":
        do_rollback(nm_client)
    elif sys.argv[1] == "adjust-rollback-timeout":
        do_adjust_rollback_timeout(nm_client)
    else:
        usage()

    main_loop.run()