ganeti.cmdlib_unittest.py 4.69 KB
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#!/usr/bin/python
#

# Copyright (C) 2008 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 0.0510-1301, USA.


"""Script for unittesting the cmdlib module"""


import os
import unittest
import time
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import tempfile
import shutil
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from ganeti import constants
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from ganeti import mcpu
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from ganeti import cmdlib
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from ganeti import opcodes
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from ganeti import errors
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from ganeti import utils
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from ganeti import luxi
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from ganeti import ht
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import testutils
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import mocks
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class TestCertVerification(testutils.GanetiTestCase):
  def setUp(self):
    testutils.GanetiTestCase.setUp(self)

    self.tmpdir = tempfile.mkdtemp()

  def tearDown(self):
    shutil.rmtree(self.tmpdir)

  def testVerifyCertificate(self):
    cmdlib._VerifyCertificate(self._TestDataFilename("cert1.pem"))

    nonexist_filename = os.path.join(self.tmpdir, "does-not-exist")

    (errcode, msg) = cmdlib._VerifyCertificate(nonexist_filename)
    self.assertEqual(errcode, cmdlib.LUVerifyCluster.ETYPE_ERROR)

    # Try to load non-certificate file
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    invalid_cert = self._TestDataFilename("bdev-net.txt")
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    (errcode, msg) = cmdlib._VerifyCertificate(invalid_cert)
    self.assertEqual(errcode, cmdlib.LUVerifyCluster.ETYPE_ERROR)


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class TestOpcodeParams(testutils.GanetiTestCase):
  def testParamsStructures(self):
    for op in sorted(mcpu.Processor.DISPATCH_TABLE):
      lu = mcpu.Processor.DISPATCH_TABLE[op]
      lu_name = lu.__name__
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      self.failIf(hasattr(lu, "_OP_REQP"),
                  msg=("LU '%s' has old-style _OP_REQP" % lu_name))
      self.failIf(hasattr(lu, "_OP_DEFS"),
                  msg=("LU '%s' has old-style _OP_DEFS" % lu_name))
      self.failIf(hasattr(lu, "_OP_PARAMS"),
                  msg=("LU '%s' has old-style _OP_PARAMS" % lu_name))
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class TestIAllocatorChecks(testutils.GanetiTestCase):
  def testFunction(self):
    class TestLU(object):
      def __init__(self, opcode):
        self.cfg = mocks.FakeConfig()
        self.op = opcode

    class TestOpcode(opcodes.OpCode):
      OP_ID = "OP_TEST"
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      OP_PARAMS = [
        ("iallocator", None, ht.NoType),
        ("node", None, ht.NoType),
        ]
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    default_iallocator = mocks.FakeConfig().GetDefaultIAllocator()
    other_iallocator = default_iallocator + "_not"

    op = TestOpcode()
    lu = TestLU(op)

    c_i = lambda: cmdlib._CheckIAllocatorOrNode(lu, "iallocator", "node")

    # Neither node nor iallocator given
    op.iallocator = None
    op.node = None
    c_i()
    self.assertEqual(lu.op.iallocator, default_iallocator)
    self.assertEqual(lu.op.node, None)

    # Both, iallocator and node given
    op.iallocator = "test"
    op.node = "test"
    self.assertRaises(errors.OpPrereqError, c_i)

    # Only iallocator given
    op.iallocator = other_iallocator
    op.node = None
    c_i()
    self.assertEqual(lu.op.iallocator, other_iallocator)
    self.assertEqual(lu.op.node, None)

    # Only node given
    op.iallocator = None
    op.node = "node"
    c_i()
    self.assertEqual(lu.op.iallocator, None)
    self.assertEqual(lu.op.node, "node")

    # No node, iallocator or default iallocator
    op.iallocator = None
    op.node = None
    lu.cfg.GetDefaultIAllocator = lambda: None
    self.assertRaises(errors.OpPrereqError, c_i)


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class TestLUTestJobqueue(unittest.TestCase):
  def test(self):
    self.assert_(cmdlib.LUTestJobqueue._CLIENT_CONNECT_TIMEOUT <
                 (luxi.WFJC_TIMEOUT * 0.75),
                 msg=("Client timeout too high, might not notice bugs"
                      " in WaitForJobChange"))


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class TestLUQuery(unittest.TestCase):
  def test(self):
    self.assertEqual(sorted(cmdlib._QUERY_IMPL.keys()),
                     sorted(constants.QR_OP_QUERY))

    assert constants.QR_NODE in constants.QR_OP_QUERY
    assert constants.QR_INSTANCE in constants.QR_OP_QUERY

    for i in constants.QR_OP_QUERY:
      self.assert_(cmdlib._GetQueryImplementation(i))

    self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation, "")
    self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation,
                      "xyz")


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if __name__ == "__main__":
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  testutils.GanetiTestProgram()