Synnefo » snf-ganeti

#!/usr/bin/python

#

# Copyright (C) 2006, 2007, 2010, 2011 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.utils.nodesetup"""

import os

import tempfile

import unittest

from ganeti import constants

from ganeti import utils

import testutils

class TestEtcHosts(testutils.GanetiTestCase):

  """Test functions modifying /etc/hosts"""

  def setUp(self):

    testutils.GanetiTestCase.setUp(self)

    self.tmpname = self._CreateTempFile()

    handle = open(self.tmpname, "w")

    try:

      handle.write("# This is a test file for /etc/hosts\n")

      handle.write("127.0.0.1\tlocalhost\n")

      handle.write("192.0.2.1 router gw\n")

    finally:

      handle.close()

    os.chmod(self.tmpname, 0644)

  def testSettingNewIp(self):

    utils.SetEtcHostsEntry(self.tmpname, "198.51.100.4", "myhost.example.com",

                           ["myhost"])

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost\n"

      "192.0.2.1 router gw\n"

      "198.51.100.4\tmyhost.example.com myhost\n")

    self.assertFileMode(self.tmpname, 0644)

  def testSettingExistingIp(self):

    utils.SetEtcHostsEntry(self.tmpname, "192.0.2.1", "myhost.example.com",

                           ["myhost"])

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost\n"

      "192.0.2.1\tmyhost.example.com myhost\n")

    self.assertFileMode(self.tmpname, 0644)

  def testSettingDuplicateName(self):

    utils.SetEtcHostsEntry(self.tmpname, "198.51.100.4", "myhost", ["myhost"])

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost\n"

      "192.0.2.1 router gw\n"

      "198.51.100.4\tmyhost\n")

    self.assertFileMode(self.tmpname, 0644)

  def testSettingOrdering(self):

    utils.SetEtcHostsEntry(self.tmpname, "127.0.0.1", "localhost.localdomain",

                           ["localhost"])

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost.localdomain localhost\n"

      "192.0.2.1 router gw\n")

    self.assertFileMode(self.tmpname, 0644)

  def testRemovingExistingHost(self):

    utils.RemoveEtcHostsEntry(self.tmpname, "router")

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost\n"

      "192.0.2.1 gw\n")

    self.assertFileMode(self.tmpname, 0644)

  def testRemovingSingleExistingHost(self):

    utils.RemoveEtcHostsEntry(self.tmpname, "localhost")

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "192.0.2.1 router gw\n")

    self.assertFileMode(self.tmpname, 0644)

  def testRemovingNonExistingHost(self):

    utils.RemoveEtcHostsEntry(self.tmpname, "myhost")

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost\n"

      "192.0.2.1 router gw\n")

    self.assertFileMode(self.tmpname, 0644)

  def testRemovingAlias(self):

    utils.RemoveEtcHostsEntry(self.tmpname, "gw")

    self.assertFileContent(self.tmpname,

      "# This is a test file for /etc/hosts\n"

      "127.0.0.1\tlocalhost\n"

      "192.0.2.1 router\n")

    self.assertFileMode(self.tmpname, 0644)

if __name__ == "__main__":

  testutils.GanetiTestProgram()