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

   1 #!/usr/bin/python
   2 #
   3
   4 # Copyright (C) 2008 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 # 0.0510-1301, USA.
  20
  21
  22 """Script for unittesting the cmdlib module"""
  23
  24
  25 import os
  26 import unittest
  27 import time
  28 import tempfile
  29 import shutil
  30
  31 from ganeti import constants
  32 from ganeti import mcpu
  33 from ganeti import cmdlib
  34 from ganeti import opcodes
  35 from ganeti import errors
  36 from ganeti import utils
  37 from ganeti import luxi
  38 from ganeti import ht
  39 from ganeti import objects
  40
  41 import testutils
  42 import mocks
  43
  44
  45 class TestCertVerification(testutils.GanetiTestCase):
  46   def setUp(self):
  47     testutils.GanetiTestCase.setUp(self)
  48
  49     self.tmpdir = tempfile.mkdtemp()
  50
  51   def tearDown(self):
  52     shutil.rmtree(self.tmpdir)
  53
  54   def testVerifyCertificate(self):
  55     cmdlib._VerifyCertificate(self._TestDataFilename("cert1.pem"))
  56
  57     nonexist_filename = os.path.join(self.tmpdir, "does-not-exist")
  58
  59     (errcode, msg) = cmdlib._VerifyCertificate(nonexist_filename)
  60     self.assertEqual(errcode, cmdlib.LUClusterVerify.ETYPE_ERROR)
  61
  62     # Try to load non-certificate file
  63     invalid_cert = self._TestDataFilename("bdev-net.txt")
  64     (errcode, msg) = cmdlib._VerifyCertificate(invalid_cert)
  65     self.assertEqual(errcode, cmdlib.LUClusterVerify.ETYPE_ERROR)
  66
  67
  68 class TestOpcodeParams(testutils.GanetiTestCase):
  69   def testParamsStructures(self):
  70     for op in sorted(mcpu.Processor.DISPATCH_TABLE):
  71       lu = mcpu.Processor.DISPATCH_TABLE[op]
  72       lu_name = lu.__name__
  73       self.failIf(hasattr(lu, "_OP_REQP"),
  74                   msg=("LU '%s' has old-style _OP_REQP" % lu_name))
  75       self.failIf(hasattr(lu, "_OP_DEFS"),
  76                   msg=("LU '%s' has old-style _OP_DEFS" % lu_name))
  77       self.failIf(hasattr(lu, "_OP_PARAMS"),
  78                   msg=("LU '%s' has old-style _OP_PARAMS" % lu_name))
  79
  80
  81 class TestIAllocatorChecks(testutils.GanetiTestCase):
  82   def testFunction(self):
  83     class TestLU(object):
  84       def __init__(self, opcode):
  85         self.cfg = mocks.FakeConfig()
  86         self.op = opcode
  87
  88     class TestOpcode(opcodes.OpCode):
  89       OP_ID = "OP_TEST"
  90       OP_PARAMS = [
  91         ("iallocator", None, ht.NoType),
  92         ("node", None, ht.NoType),
  93         ]
  94
  95     default_iallocator = mocks.FakeConfig().GetDefaultIAllocator()
  96     other_iallocator = default_iallocator + "_not"
  97
  98     op = TestOpcode()
  99     lu = TestLU(op)
 100
 101     c_i = lambda: cmdlib._CheckIAllocatorOrNode(lu, "iallocator", "node")
 102
 103     # Neither node nor iallocator given
 104     op.iallocator = None
 105     op.node = None
 106     c_i()
 107     self.assertEqual(lu.op.iallocator, default_iallocator)
 108     self.assertEqual(lu.op.node, None)
 109
 110     # Both, iallocator and node given
 111     op.iallocator = "test"
 112     op.node = "test"
 113     self.assertRaises(errors.OpPrereqError, c_i)
 114
 115     # Only iallocator given
 116     op.iallocator = other_iallocator
 117     op.node = None
 118     c_i()
 119     self.assertEqual(lu.op.iallocator, other_iallocator)
 120     self.assertEqual(lu.op.node, None)
 121
 122     # Only node given
 123     op.iallocator = None
 124     op.node = "node"
 125     c_i()
 126     self.assertEqual(lu.op.iallocator, None)
 127     self.assertEqual(lu.op.node, "node")
 128
 129     # No node, iallocator or default iallocator
 130     op.iallocator = None
 131     op.node = None
 132     lu.cfg.GetDefaultIAllocator = lambda: None
 133     self.assertRaises(errors.OpPrereqError, c_i)
 134
 135
 136 class TestLUTestJobqueue(unittest.TestCase):
 137   def test(self):
 138     self.assert_(cmdlib.LUTestJobqueue._CLIENT_CONNECT_TIMEOUT <
 139                  (luxi.WFJC_TIMEOUT * 0.75),
 140                  msg=("Client timeout too high, might not notice bugs"
 141                       " in WaitForJobChange"))
 142
 143
 144 class TestLUQuery(unittest.TestCase):
 145   def test(self):
 146     self.assertEqual(sorted(cmdlib._QUERY_IMPL.keys()),
 147                      sorted(constants.QR_OP_QUERY))
 148
 149     assert constants.QR_NODE in constants.QR_OP_QUERY
 150     assert constants.QR_INSTANCE in constants.QR_OP_QUERY
 151
 152     for i in constants.QR_OP_QUERY:
 153       self.assert_(cmdlib._GetQueryImplementation(i))
 154
 155     self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation, "")
 156     self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation,
 157                       "xyz")
 158
 159
 160 class TestLUGroupAssignNodes(unittest.TestCase):
 161
 162   def testCheckAssignmentForSplitInstances(self):
 163     node_data = dict((name, objects.Node(name=name, group=group))
 164                      for (name, group) in [("n1a", "g1"), ("n1b", "g1"),
 165                                            ("n2a", "g2"), ("n2b", "g2"),
 166                                            ("n3a", "g3"), ("n3b", "g3"),
 167                                            ("n3c", "g3"),
 168                                            ])
 169
 170     def Instance(name, pnode, snode):
 171       if snode is None:
 172         disks = []
 173         disk_template = constants.DT_DISKLESS
 174       else:
 175         disks = [objects.Disk(dev_type=constants.LD_DRBD8,
 176                               logical_id=[pnode, snode, 1, 17, 17])]
 177         disk_template = constants.DT_DRBD8
 178
 179       return objects.Instance(name=name, primary_node=pnode, disks=disks,
 180                               disk_template=disk_template)
 181
 182     instance_data = dict((name, Instance(name, pnode, snode))
 183                          for name, pnode, snode in [("inst1a", "n1a", "n1b"),
 184                                                     ("inst1b", "n1b", "n1a"),
 185                                                     ("inst2a", "n2a", "n2b"),
 186                                                     ("inst3a", "n3a", None),
 187                                                     ("inst3b", "n3b", "n1b"),
 188                                                     ("inst3c", "n3b", "n2b"),
 189                                                     ])
 190
 191     # Test first with the existing state.
 192     (new, prev) = \
 193       cmdlib.LUGroupAssignNodes.CheckAssignmentForSplitInstances([],
 194                                                                  node_data,
 195                                                                  instance_data)
 196
 197     self.assertEqual([], new)
 198     self.assertEqual(set(["inst3b", "inst3c"]), set(prev))
 199
 200     # And now some changes.
 201     (new, prev) = \
 202       cmdlib.LUGroupAssignNodes.CheckAssignmentForSplitInstances([("n1b",
 203                                                                    "g3")],
 204                                                                  node_data,
 205                                                                  instance_data)
 206
 207     self.assertEqual(set(["inst1a", "inst1b"]), set(new))
 208     self.assertEqual(set(["inst3c"]), set(prev))
 209
 210
 211 if __name__ == "__main__":
 212   testutils.GanetiTestProgram()