Synnefo » snf-ganeti

#!/usr/bin/python

#

# Copyright (C) 2010 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

# 02110-1301, USA.

"""Script for testing ganeti.runtime"""

from ganeti import constants

from ganeti import errors

from ganeti import runtime

from ganeti import ht

import testutils

import unittest

class _EntStub:

  def __init__(self, uid=None, gid=None):

    self.pw_uid = uid

    self.gr_gid = gid

def _StubGetpwnam(user):

  users = {

    constants.MASTERD_USER: _EntStub(uid=0),

    constants.CONFD_USER: _EntStub(uid=1),

    constants.RAPI_USER: _EntStub(uid=2),

    constants.NODED_USER: _EntStub(uid=3),

    }

  return users[user]

def _StubGetgrnam(group):

  groups = {

    constants.MASTERD_GROUP: _EntStub(gid=0),

    constants.CONFD_GROUP: _EntStub(gid=1),

    constants.RAPI_GROUP: _EntStub(gid=2),

    constants.DAEMONS_GROUP: _EntStub(gid=3),

    constants.ADMIN_GROUP: _EntStub(gid=4),

    constants.NODED_GROUP: _EntStub(gid=5),

    }

  return groups[group]

def _RaisingStubGetpwnam(user):

  raise KeyError("user not found")

def _RaisingStubGetgrnam(group):

  raise KeyError("group not found")

class ResolverStubRaising(object):

  def __init__(self):

    raise errors.ConfigurationError("No entries")

class TestErrors(unittest.TestCase):

  def setUp(self):

    self.resolver = runtime.GetentResolver(_getpwnam=_StubGetpwnam,

                                           _getgrnam=_StubGetgrnam)

  def testEverythingSuccessful(self):

    self.assertEqual(self.resolver.masterd_uid,

                     _StubGetpwnam(constants.MASTERD_USER).pw_uid)

    self.assertEqual(self.resolver.masterd_gid,

                     _StubGetgrnam(constants.MASTERD_GROUP).gr_gid)

    self.assertEqual(self.resolver.confd_uid,

                     _StubGetpwnam(constants.CONFD_USER).pw_uid)

    self.assertEqual(self.resolver.confd_gid,

                     _StubGetgrnam(constants.CONFD_GROUP).gr_gid)

    self.assertEqual(self.resolver.rapi_uid,

                     _StubGetpwnam(constants.RAPI_USER).pw_uid)

    self.assertEqual(self.resolver.rapi_gid,

                     _StubGetgrnam(constants.RAPI_GROUP).gr_gid)

    self.assertEqual(self.resolver.noded_uid,

                     _StubGetpwnam(constants.NODED_USER).pw_uid)

    self.assertEqual(self.resolver.daemons_gid,

                     _StubGetgrnam(constants.DAEMONS_GROUP).gr_gid)

    self.assertEqual(self.resolver.admin_gid,

                     _StubGetgrnam(constants.ADMIN_GROUP).gr_gid)

  def testUserNotFound(self):

    self.assertRaises(errors.ConfigurationError, runtime.GetentResolver,

                      _getpwnam=_RaisingStubGetpwnam, _getgrnam=_StubGetgrnam)

  def testGroupNotFound(self):

    self.assertRaises(errors.ConfigurationError, runtime.GetentResolver,

                      _getpwnam=_StubGetpwnam, _getgrnam=_RaisingStubGetgrnam)

  def testUserNotFoundGetEnts(self):

    self.assertRaises(errors.ConfigurationError, runtime.GetEnts,

                      resolver=ResolverStubRaising)

  def testLookupForUser(self):

    master_stub = _StubGetpwnam(constants.MASTERD_USER)

    rapi_stub = _StubGetpwnam(constants.RAPI_USER)

    self.assertEqual(self.resolver.LookupUid(master_stub.pw_uid),

                     constants.MASTERD_USER)

    self.assertEqual(self.resolver.LookupUid(rapi_stub.pw_uid),

                     constants.RAPI_USER)

    self.assertEqual(self.resolver.LookupUser(constants.MASTERD_USER),

                     master_stub.pw_uid)

    self.assertEqual(self.resolver.LookupUser(constants.RAPI_USER),

                     rapi_stub.pw_uid)

  def testLookupForGroup(self):

    master_stub = _StubGetgrnam(constants.MASTERD_GROUP)

    rapi_stub = _StubGetgrnam(constants.RAPI_GROUP)

    self.assertEqual(self.resolver.LookupGid(master_stub.gr_gid),

                     constants.MASTERD_GROUP)

    self.assertEqual(self.resolver.LookupGid(rapi_stub.gr_gid),

                     constants.RAPI_GROUP)

  def testLookupForUserNotFound(self):

    self.assertRaises(errors.ConfigurationError, self.resolver.LookupUid, 9999)

    self.assertRaises(errors.ConfigurationError,

                      self.resolver.LookupUser, "does-not-exist-foo")

  def testLookupForGroupNotFound(self):

    self.assertRaises(errors.ConfigurationError, self.resolver.LookupGid, 9999)

    self.assertRaises(errors.ConfigurationError,

                      self.resolver.LookupGroup, "does-not-exist-foo")

class TestArchInfo(unittest.TestCase):

  EXP_TYPES = \

    ht.TAnd(ht.TIsLength(2),

            ht.TItems([

              ht.TNonEmptyString,

              ht.TNonEmptyString,

              ]))

  def setUp(self):

    self.assertTrue(runtime._arch is None)

  def tearDown(self):

    runtime._arch = None

  def testNotInitialized(self):

    self.assertRaises(errors.ProgrammerError, runtime.GetArchInfo)

  def testInitializeMultiple(self):

    runtime.InitArchInfo()

    self.assertRaises(errors.ProgrammerError, runtime.InitArchInfo)

  def testNormal(self):

    runtime.InitArchInfo()

    info = runtime.GetArchInfo()

    self.assertTrue(self.EXP_TYPES(info),

                    msg=("Doesn't match expected type description: %s" %

                         self.EXP_TYPES))

if __name__ == "__main__":

  testutils.GanetiTestProgram()