code.grnet.gr Git - ganeti-local/blob - test/ganeti.client.gnt_instance_unittest.py

   1 #!/usr/bin/python
   2 #
   3
   4 # Copyright (C) 2011 Google Inc.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21
  22 """Script for testing ganeti.client.gnt_instance"""
  23
  24 import unittest
  25
  26 from ganeti import constants
  27 from ganeti import utils
  28 from ganeti import errors
  29 from ganeti import objects
  30 from ganeti.client import gnt_instance
  31
  32 import testutils
  33
  34
  35 class TestConsole(unittest.TestCase):
  36   def setUp(self):
  37     self._output = []
  38     self._cmds = []
  39     self._next_cmd_exitcode = 0
  40
  41   def _Test(self, console, show_command, cluster_name):
  42     return gnt_instance._DoConsole(console, show_command, cluster_name,
  43                                    feedback_fn=self._Feedback,
  44                                    _runcmd_fn=self._FakeRunCmd)
  45
  46   def _Feedback(self, msg, *args):
  47     if args:
  48       msg = msg % args
  49     self._output.append(msg)
  50
  51   def _FakeRunCmd(self, cmd, interactive=None):
  52     self.assertTrue(interactive)
  53     self.assertTrue(isinstance(cmd, list))
  54     self._cmds.append(cmd)
  55     return utils.RunResult(self._next_cmd_exitcode, None, "", "", "cmd",
  56                            utils.process._TIMEOUT_NONE, 5)
  57
  58   def testMessage(self):
  59     cons = objects.InstanceConsole(instance="inst98.example.com",
  60                                    kind=constants.CONS_MESSAGE,
  61                                    message="Hello World")
  62     self.assertEqual(self._Test(cons, False, "cluster.example.com"),
  63                      constants.EXIT_SUCCESS)
  64     self.assertEqual(len(self._cmds), 0)
  65     self.assertEqual(self._output, ["Hello World"])
  66
  67   def testVnc(self):
  68     cons = objects.InstanceConsole(instance="inst1.example.com",
  69                                    kind=constants.CONS_VNC,
  70                                    host="node1.example.com",
  71                                    port=5901,
  72                                    display=1)
  73     self.assertEqual(self._Test(cons, False, "cluster.example.com"),
  74                      constants.EXIT_SUCCESS)
  75     self.assertEqual(len(self._cmds), 0)
  76     self.assertEqual(len(self._output), 1)
  77     self.assertTrue(" inst1.example.com " in self._output[0])
  78     self.assertTrue(" node1.example.com:5901 " in self._output[0])
  79     self.assertTrue("vnc://node1.example.com:5901/" in self._output[0])
  80
  81   def testSshShow(self):
  82     cons = objects.InstanceConsole(instance="inst31.example.com",
  83                                    kind=constants.CONS_SSH,
  84                                    host="node93.example.com",
  85                                    user="user_abc",
  86                                    command="xm console x.y.z")
  87     self.assertEqual(self._Test(cons, True, "cluster.example.com"),
  88                      constants.EXIT_SUCCESS)
  89     self.assertEqual(len(self._cmds), 0)
  90     self.assertEqual(len(self._output), 1)
  91     self.assertTrue(" user_abc@node93.example.com " in self._output[0])
  92     self.assertTrue("'xm console x.y.z'" in self._output[0])
  93
  94   def testSshRun(self):
  95     cons = objects.InstanceConsole(instance="inst31.example.com",
  96                                    kind=constants.CONS_SSH,
  97                                    host="node93.example.com",
  98                                    user="user_abc",
  99                                    command=["xm", "console", "x.y.z"])
 100     self.assertEqual(self._Test(cons, False, "cluster.example.com"),
 101                      constants.EXIT_SUCCESS)
 102     self.assertEqual(len(self._cmds), 1)
 103     self.assertEqual(len(self._output), 0)
 104
 105     # This is very important to prevent escapes from the console
 106     self.assertTrue("-oEscapeChar=none" in self._cmds[0])
 107
 108   def testSshRunFail(self):
 109     cons = objects.InstanceConsole(instance="inst31.example.com",
 110                                    kind=constants.CONS_SSH,
 111                                    host="node93.example.com",
 112                                    user="user_abc",
 113                                    command=["xm", "console", "x.y.z"])
 114
 115     self._next_cmd_exitcode = 100
 116     self.assertRaises(errors.OpExecError, self._Test,
 117                       cons, False, "cluster.example.com")
 118     self.assertEqual(len(self._cmds), 1)
 119     self.assertEqual(len(self._output), 0)
 120
 121
 122 class TestConvertNicDiskModifications(unittest.TestCase):
 123   def test(self):
 124     fn = gnt_instance._ConvertNicDiskModifications
 125
 126     self.assertEqual(fn([]), [])
 127
 128     # Error cases
 129     self.assertRaises(errors.OpPrereqError, fn, [
 130       (constants.DDM_REMOVE, { "param": "value", }),
 131       ])
 132     self.assertRaises(errors.OpPrereqError, fn, [
 133       (0, { constants.DDM_REMOVE: True, "param": "value", }),
 134       ])
 135     self.assertRaises(errors.OpPrereqError, fn, [
 136       ("Hello", {}),
 137       ])
 138     self.assertRaises(errors.OpPrereqError, fn, [
 139       (0, {
 140         constants.DDM_REMOVE: True,
 141         constants.DDM_ADD: True,
 142         }),
 143       ])
 144
 145     # Legacy calls
 146     for action in constants.DDMS_VALUES:
 147       self.assertEqual(fn([
 148         (action, {}),
 149         ]), [
 150         (action, -1, {}),
 151         ])
 152
 153     self.assertEqual(fn([
 154       (constants.DDM_ADD, {
 155         constants.IDISK_SIZE: 1024,
 156         }),
 157       ]), [
 158       (constants.DDM_ADD, -1, {
 159         constants.IDISK_SIZE: 1024,
 160         }),
 161       ])
 162
 163     # New-style calls
 164     self.assertEqual(fn([
 165       (2, {
 166         constants.IDISK_MODE: constants.DISK_RDWR,
 167         }),
 168       ]), [
 169       (constants.DDM_MODIFY, 2, {
 170         constants.IDISK_MODE: constants.DISK_RDWR,
 171         }),
 172       ])
 173
 174     self.assertEqual(fn([
 175       (0, {
 176         constants.DDM_ADD: True,
 177         constants.IDISK_SIZE: 4096,
 178         }),
 179       ]), [
 180       (constants.DDM_ADD, 0, {
 181         constants.IDISK_SIZE: 4096,
 182         }),
 183       ])
 184
 185     self.assertEqual(fn([
 186       (-1, {
 187         constants.DDM_REMOVE: True,
 188         }),
 189       ]), [
 190       (constants.DDM_REMOVE, -1, {}),
 191       ])
 192
 193
 194 class TestParseDiskSizes(unittest.TestCase):
 195   def test(self):
 196     fn = gnt_instance._ParseDiskSizes
 197
 198     self.assertEqual(fn([]), [])
 199
 200     # Missing size parameter
 201     self.assertRaises(errors.OpPrereqError, fn, [
 202       (constants.DDM_ADD, 0, {}),
 203       ])
 204
 205     # Converting disk size
 206     self.assertEqual(fn([
 207       (constants.DDM_ADD, 11, {
 208         constants.IDISK_SIZE: "9G",
 209         }),
 210       ]), [
 211         (constants.DDM_ADD, 11, {
 212           constants.IDISK_SIZE: 9216,
 213           }),
 214         ])
 215
 216     # No size parameter
 217     self.assertEqual(fn([
 218       (constants.DDM_REMOVE, 11, {
 219         "other": "24M",
 220         }),
 221       ]), [
 222         (constants.DDM_REMOVE, 11, {
 223           "other": "24M",
 224           }),
 225         ])
 226
 227
 228 if __name__ == "__main__":
 229   testutils.GanetiTestProgram()