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

   1 #!/usr/bin/python
   2 #
   3
   4 # Copyright (C) 2008, 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 # 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.LUClusterVerifyConfig.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.LUClusterVerifyConfig.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 OpTest(opcodes.OpCode):
  89        OP_PARAMS = [
  90         ("iallocator", None, ht.NoType, None),
  91         ("node", None, ht.NoType, None),
  92         ]
  93
  94     default_iallocator = mocks.FakeConfig().GetDefaultIAllocator()
  95     other_iallocator = default_iallocator + "_not"
  96
  97     op = OpTest()
  98     lu = TestLU(op)
  99
 100     c_i = lambda: cmdlib._CheckIAllocatorOrNode(lu, "iallocator", "node")
 101
 102     # Neither node nor iallocator given
 103     op.iallocator = None
 104     op.node = None
 105     c_i()
 106     self.assertEqual(lu.op.iallocator, default_iallocator)
 107     self.assertEqual(lu.op.node, None)
 108
 109     # Both, iallocator and node given
 110     op.iallocator = "test"
 111     op.node = "test"
 112     self.assertRaises(errors.OpPrereqError, c_i)
 113
 114     # Only iallocator given
 115     op.iallocator = other_iallocator
 116     op.node = None
 117     c_i()
 118     self.assertEqual(lu.op.iallocator, other_iallocator)
 119     self.assertEqual(lu.op.node, None)
 120
 121     # Only node given
 122     op.iallocator = None
 123     op.node = "node"
 124     c_i()
 125     self.assertEqual(lu.op.iallocator, None)
 126     self.assertEqual(lu.op.node, "node")
 127
 128     # No node, iallocator or default iallocator
 129     op.iallocator = None
 130     op.node = None
 131     lu.cfg.GetDefaultIAllocator = lambda: None
 132     self.assertRaises(errors.OpPrereqError, c_i)
 133
 134
 135 class TestLUTestJqueue(unittest.TestCase):
 136   def test(self):
 137     self.assert_(cmdlib.LUTestJqueue._CLIENT_CONNECT_TIMEOUT <
 138                  (luxi.WFJC_TIMEOUT * 0.75),
 139                  msg=("Client timeout too high, might not notice bugs"
 140                       " in WaitForJobChange"))
 141
 142
 143 class TestLUQuery(unittest.TestCase):
 144   def test(self):
 145     self.assertEqual(sorted(cmdlib._QUERY_IMPL.keys()),
 146                      sorted(constants.QR_VIA_OP))
 147
 148     assert constants.QR_NODE in constants.QR_VIA_OP
 149     assert constants.QR_INSTANCE in constants.QR_VIA_OP
 150
 151     for i in constants.QR_VIA_OP:
 152       self.assert_(cmdlib._GetQueryImplementation(i))
 153
 154     self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation, "")
 155     self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation,
 156                       "xyz")
 157
 158
 159 class TestLUGroupAssignNodes(unittest.TestCase):
 160
 161   def testCheckAssignmentForSplitInstances(self):
 162     node_data = dict((name, objects.Node(name=name, group=group))
 163                      for (name, group) in [("n1a", "g1"), ("n1b", "g1"),
 164                                            ("n2a", "g2"), ("n2b", "g2"),
 165                                            ("n3a", "g3"), ("n3b", "g3"),
 166                                            ("n3c", "g3"),
 167                                            ])
 168
 169     def Instance(name, pnode, snode):
 170       if snode is None:
 171         disks = []
 172         disk_template = constants.DT_DISKLESS
 173       else:
 174         disks = [objects.Disk(dev_type=constants.LD_DRBD8,
 175                               logical_id=[pnode, snode, 1, 17, 17])]
 176         disk_template = constants.DT_DRBD8
 177
 178       return objects.Instance(name=name, primary_node=pnode, disks=disks,
 179                               disk_template=disk_template)
 180
 181     instance_data = dict((name, Instance(name, pnode, snode))
 182                          for name, pnode, snode in [("inst1a", "n1a", "n1b"),
 183                                                     ("inst1b", "n1b", "n1a"),
 184                                                     ("inst2a", "n2a", "n2b"),
 185                                                     ("inst3a", "n3a", None),
 186                                                     ("inst3b", "n3b", "n1b"),
 187                                                     ("inst3c", "n3b", "n2b"),
 188                                                     ])
 189
 190     # Test first with the existing state.
 191     (new, prev) = \
 192       cmdlib.LUGroupAssignNodes.CheckAssignmentForSplitInstances([],
 193                                                                  node_data,
 194                                                                  instance_data)
 195
 196     self.assertEqual([], new)
 197     self.assertEqual(set(["inst3b", "inst3c"]), set(prev))
 198
 199     # And now some changes.
 200     (new, prev) = \
 201       cmdlib.LUGroupAssignNodes.CheckAssignmentForSplitInstances([("n1b",
 202                                                                    "g3")],
 203                                                                  node_data,
 204                                                                  instance_data)
 205
 206     self.assertEqual(set(["inst1a", "inst1b"]), set(new))
 207     self.assertEqual(set(["inst3c"]), set(prev))
 208
 209
 210 if __name__ == "__main__":
 211   testutils.GanetiTestProgram()