root / test / py / ganeti.netutils_unittest.py @ 05edafd3
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#!/usr/bin/python
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#
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# Copyright (C) 2010 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for unittesting the netutils module"""
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import os |
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import re |
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import shutil |
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import socket |
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import tempfile |
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import unittest |
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import testutils |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import netutils |
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from ganeti import serializer |
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from ganeti import utils |
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def _GetSocketCredentials(path): |
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"""Connect to a Unix socket and return remote credentials.
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"""
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) |
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try:
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sock.settimeout(10)
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sock.connect(path) |
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return netutils.GetSocketCredentials(sock)
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finally:
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sock.close() |
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class TestGetSocketCredentials(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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self.sockpath = utils.PathJoin(self.tmpdir, "sock") |
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self.listener = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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self.listener.settimeout(10) |
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self.listener.bind(self.sockpath) |
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self.listener.listen(1) |
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def tearDown(self): |
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self.listener.shutdown(socket.SHUT_RDWR)
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self.listener.close()
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shutil.rmtree(self.tmpdir)
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def test(self): |
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(c2pr, c2pw) = os.pipe() |
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# Start child process
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child = os.fork() |
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if child == 0: |
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try:
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data = serializer.DumpJson(_GetSocketCredentials(self.sockpath))
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os.write(c2pw, data) |
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os.close(c2pw) |
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os._exit(0)
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finally:
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os._exit(1)
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os.close(c2pw) |
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# Wait for one connection
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(conn, _) = self.listener.accept()
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conn.recv(1)
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conn.close() |
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# Wait for result
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result = os.read(c2pr, 4096)
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os.close(c2pr) |
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# Check child's exit code
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(_, status) = os.waitpid(child, 0)
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self.assertFalse(os.WIFSIGNALED(status))
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self.assertEqual(os.WEXITSTATUS(status), 0) |
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# Check result
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(pid, uid, gid) = serializer.LoadJson(result) |
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self.assertEqual(pid, os.getpid())
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self.assertEqual(uid, os.getuid())
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self.assertEqual(gid, os.getgid())
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class TestHostname(unittest.TestCase): |
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"""Testing case for Hostname"""
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def testUppercase(self): |
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data = "AbC.example.com"
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self.assertEqual(netutils.Hostname.GetNormalizedName(data), data.lower())
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def testTooLongName(self): |
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data = "a.b." + "c" * 255 |
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self.assertRaises(errors.OpPrereqError,
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netutils.Hostname.GetNormalizedName, data) |
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def testTrailingDot(self): |
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data = "a.b.c"
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self.assertEqual(netutils.Hostname.GetNormalizedName(data + "."), data) |
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def testInvalidName(self): |
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data = [ |
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"a b",
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"a/b",
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".a.b",
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"a..b",
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] |
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for value in data: |
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self.assertRaises(errors.OpPrereqError,
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netutils.Hostname.GetNormalizedName, value) |
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def testValidName(self): |
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data = [ |
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"a.b",
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"a-b",
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"a_b",
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"a.b.c",
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] |
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for value in data: |
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self.assertEqual(netutils.Hostname.GetNormalizedName(value), value)
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class TestIPAddress(unittest.TestCase): |
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def testIsValid(self): |
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self.assert_(netutils.IPAddress.IsValid("0.0.0.0")) |
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self.assert_(netutils.IPAddress.IsValid("127.0.0.1")) |
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self.assert_(netutils.IPAddress.IsValid("::")) |
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self.assert_(netutils.IPAddress.IsValid("::1")) |
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def testNotIsValid(self): |
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self.assertFalse(netutils.IPAddress.IsValid("0")) |
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self.assertFalse(netutils.IPAddress.IsValid("1.1.1.256")) |
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self.assertFalse(netutils.IPAddress.IsValid("a:g::1")) |
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def testGetAddressFamily(self): |
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fn = netutils.IPAddress.GetAddressFamily |
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self.assertEqual(fn("127.0.0.1"), socket.AF_INET) |
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self.assertEqual(fn("10.2.0.127"), socket.AF_INET) |
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self.assertEqual(fn("::1"), socket.AF_INET6) |
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self.assertEqual(fn("2001:db8::1"), socket.AF_INET6) |
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self.assertRaises(errors.IPAddressError, fn, "0") |
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def testValidateNetmask(self): |
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for netmask in [0, 33]: |
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self.assertFalse(netutils.IP4Address.ValidateNetmask(netmask))
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for netmask in [1, 32]: |
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self.assertTrue(netutils.IP4Address.ValidateNetmask(netmask))
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for netmask in [0, 129]: |
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self.assertFalse(netutils.IP6Address.ValidateNetmask(netmask))
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for netmask in [1, 128]: |
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self.assertTrue(netutils.IP6Address.ValidateNetmask(netmask))
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def testGetClassFromX(self): |
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self.assert_(
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netutils.IPAddress.GetClassFromIpVersion(constants.IP4_VERSION) == |
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netutils.IP4Address) |
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self.assert_(
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netutils.IPAddress.GetClassFromIpVersion(constants.IP6_VERSION) == |
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netutils.IP6Address) |
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self.assert_(
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netutils.IPAddress.GetClassFromIpFamily(socket.AF_INET) == |
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netutils.IP4Address) |
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self.assert_(
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netutils.IPAddress.GetClassFromIpFamily(socket.AF_INET6) == |
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netutils.IP6Address) |
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def testOwnLoopback(self): |
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# FIXME: In a pure IPv6 environment this is no longer true
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self.assert_(netutils.IPAddress.Own("127.0.0.1"), |
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"Should own 127.0.0.1 address")
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def testNotOwnAddress(self): |
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self.assertFalse(netutils.IPAddress.Own("2001:db8::1"), |
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"Should not own IP address 2001:db8::1")
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self.assertFalse(netutils.IPAddress.Own("192.0.2.1"), |
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"Should not own IP address 192.0.2.1")
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def testFamilyVersionConversions(self): |
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# IPAddress.GetAddressFamilyFromVersion
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self.assertEqual(
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netutils.IPAddress.GetAddressFamilyFromVersion(constants.IP4_VERSION), |
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socket.AF_INET) |
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self.assertEqual(
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netutils.IPAddress.GetAddressFamilyFromVersion(constants.IP6_VERSION), |
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socket.AF_INET6) |
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self.assertRaises(errors.ProgrammerError,
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netutils.IPAddress.GetAddressFamilyFromVersion, 3)
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# IPAddress.GetVersionFromAddressFamily
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self.assertEqual(
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netutils.IPAddress.GetVersionFromAddressFamily(socket.AF_INET), |
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constants.IP4_VERSION) |
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self.assertEqual(
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netutils.IPAddress.GetVersionFromAddressFamily(socket.AF_INET6), |
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constants.IP6_VERSION) |
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self.assertRaises(errors.ProgrammerError,
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netutils.IPAddress.GetVersionFromAddressFamily, socket.AF_UNIX) |
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class TestIP4Address(unittest.TestCase): |
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def testGetIPIntFromString(self): |
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fn = netutils.IP4Address._GetIPIntFromString |
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self.assertEqual(fn("0.0.0.0"), 0) |
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self.assertEqual(fn("0.0.0.1"), 1) |
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self.assertEqual(fn("127.0.0.1"), 2130706433) |
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self.assertEqual(fn("192.0.2.129"), 3221226113) |
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self.assertEqual(fn("255.255.255.255"), 2**32 - 1) |
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self.assertNotEqual(fn("0.0.0.0"), 1) |
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self.assertNotEqual(fn("0.0.0.0"), 1) |
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def testIsValid(self): |
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self.assert_(netutils.IP4Address.IsValid("0.0.0.0")) |
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self.assert_(netutils.IP4Address.IsValid("127.0.0.1")) |
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self.assert_(netutils.IP4Address.IsValid("192.0.2.199")) |
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self.assert_(netutils.IP4Address.IsValid("255.255.255.255")) |
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def testNotIsValid(self): |
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self.assertFalse(netutils.IP4Address.IsValid("0")) |
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self.assertFalse(netutils.IP4Address.IsValid("1")) |
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self.assertFalse(netutils.IP4Address.IsValid("1.1.1")) |
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self.assertFalse(netutils.IP4Address.IsValid("255.255.255.256")) |
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self.assertFalse(netutils.IP4Address.IsValid("::1")) |
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def testInNetwork(self): |
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self.assert_(netutils.IP4Address.InNetwork("127.0.0.0/8", "127.0.0.1")) |
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def testNotInNetwork(self): |
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self.assertFalse(netutils.IP4Address.InNetwork("192.0.2.0/24", |
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"127.0.0.1"))
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def testIsLoopback(self): |
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self.assert_(netutils.IP4Address.IsLoopback("127.0.0.1")) |
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def testNotIsLoopback(self): |
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self.assertFalse(netutils.IP4Address.IsLoopback("192.0.2.1")) |
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class TestIP6Address(unittest.TestCase): |
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def testGetIPIntFromString(self): |
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fn = netutils.IP6Address._GetIPIntFromString |
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self.assertEqual(fn("::"), 0) |
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self.assertEqual(fn("::1"), 1) |
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self.assertEqual(fn("2001:db8::1"), |
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42540766411282592856903984951653826561L)
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self.assertEqual(fn("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), 2**128-1) |
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self.assertNotEqual(netutils.IP6Address._GetIPIntFromString("::2"), 1) |
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def testIsValid(self): |
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self.assert_(netutils.IP6Address.IsValid("::")) |
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self.assert_(netutils.IP6Address.IsValid("::1")) |
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self.assert_(netutils.IP6Address.IsValid("1" + (":1" * 7))) |
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self.assert_(netutils.IP6Address.IsValid("ffff" + (":ffff" * 7))) |
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self.assert_(netutils.IP6Address.IsValid("::")) |
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def testNotIsValid(self): |
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self.assertFalse(netutils.IP6Address.IsValid("0")) |
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self.assertFalse(netutils.IP6Address.IsValid(":1")) |
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self.assertFalse(netutils.IP6Address.IsValid("f" + (":f" * 6))) |
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self.assertFalse(netutils.IP6Address.IsValid("fffg" + (":ffff" * 7))) |
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self.assertFalse(netutils.IP6Address.IsValid("fffff" + (":ffff" * 7))) |
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self.assertFalse(netutils.IP6Address.IsValid("1" + (":1" * 8))) |
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self.assertFalse(netutils.IP6Address.IsValid("127.0.0.1")) |
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def testInNetwork(self): |
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self.assert_(netutils.IP6Address.InNetwork("::1/128", "::1")) |
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def testNotInNetwork(self): |
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self.assertFalse(netutils.IP6Address.InNetwork("2001:db8::1/128", "::1")) |
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def testIsLoopback(self): |
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self.assert_(netutils.IP6Address.IsLoopback("::1")) |
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def testNotIsLoopback(self): |
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self.assertFalse(netutils.IP6Address.IsLoopback("2001:db8::1")) |
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class _BaseTcpPingTest: |
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"""Base class for TcpPing tests against listen(2)ing port"""
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family = None
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address = None
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def setUp(self): |
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self.listener = socket.socket(self.family, socket.SOCK_STREAM) |
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self.listener.bind((self.address, 0)) |
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self.listenerport = self.listener.getsockname()[1] |
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self.listener.listen(1) |
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def tearDown(self): |
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self.listener.shutdown(socket.SHUT_RDWR)
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del self.listener |
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del self.listenerport |
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def testTcpPingToLocalHostAccept(self): |
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self.assert_(netutils.TcpPing(self.address, |
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self.listenerport,
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timeout=constants.TCP_PING_TIMEOUT, |
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live_port_needed=True,
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source=self.address,
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), |
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"failed to connect to test listener")
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self.assert_(netutils.TcpPing(self.address, self.listenerport, |
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timeout=constants.TCP_PING_TIMEOUT, |
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live_port_needed=True),
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"failed to connect to test listener (no source)")
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class TestIP4TcpPing(unittest.TestCase, _BaseTcpPingTest): |
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"""Testcase for IPv4 TCP version of ping - against listen(2)ing port"""
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family = socket.AF_INET |
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address = constants.IP4_ADDRESS_LOCALHOST |
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def setUp(self): |
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unittest.TestCase.setUp(self)
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_BaseTcpPingTest.setUp(self)
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def tearDown(self): |
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unittest.TestCase.tearDown(self)
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_BaseTcpPingTest.tearDown(self)
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class TestIP6TcpPing(unittest.TestCase, _BaseTcpPingTest): |
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"""Testcase for IPv6 TCP version of ping - against listen(2)ing port"""
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family = socket.AF_INET6 |
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address = constants.IP6_ADDRESS_LOCALHOST |
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def setUp(self): |
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unittest.TestCase.setUp(self)
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_BaseTcpPingTest.setUp(self)
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def tearDown(self): |
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unittest.TestCase.tearDown(self)
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_BaseTcpPingTest.tearDown(self)
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class _BaseTcpPingDeafTest: |
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"""Base class for TcpPing tests against non listen(2)ing port"""
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family = None
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address = None
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def setUp(self): |
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self.deaflistener = socket.socket(self.family, socket.SOCK_STREAM) |
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self.deaflistener.bind((self.address, 0)) |
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self.deaflistenerport = self.deaflistener.getsockname()[1] |
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|
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def tearDown(self): |
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del self.deaflistener |
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del self.deaflistenerport |
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def testTcpPingToLocalHostAcceptDeaf(self): |
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self.assertFalse(netutils.TcpPing(self.address, |
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self.deaflistenerport,
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timeout=constants.TCP_PING_TIMEOUT, |
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live_port_needed=True,
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source=self.address,
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), # need successful connect(2)
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"successfully connected to deaf listener")
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self.assertFalse(netutils.TcpPing(self.address, |
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self.deaflistenerport,
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timeout=constants.TCP_PING_TIMEOUT, |
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live_port_needed=True,
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), # need successful connect(2)
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"successfully connected to deaf listener (no source)")
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def testTcpPingToLocalHostNoAccept(self): |
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self.assert_(netutils.TcpPing(self.address, |
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self.deaflistenerport,
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timeout=constants.TCP_PING_TIMEOUT, |
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live_port_needed=False,
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source=self.address,
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), # ECONNREFUSED is OK
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"failed to ping alive host on deaf port")
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self.assert_(netutils.TcpPing(self.address, |
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self.deaflistenerport,
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timeout=constants.TCP_PING_TIMEOUT, |
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live_port_needed=False,
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), # ECONNREFUSED is OK
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"failed to ping alive host on deaf port (no source)")
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class TestIP4TcpPingDeaf(unittest.TestCase, _BaseTcpPingDeafTest): |
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"""Testcase for IPv4 TCP version of ping - against non listen(2)ing port"""
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family = socket.AF_INET |
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address = constants.IP4_ADDRESS_LOCALHOST |
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|
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def setUp(self): |
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self.deaflistener = socket.socket(self.family, socket.SOCK_STREAM) |
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self.deaflistener.bind((self.address, 0)) |
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self.deaflistenerport = self.deaflistener.getsockname()[1] |
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|
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def tearDown(self): |
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del self.deaflistener |
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del self.deaflistenerport |
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|
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|
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class TestIP6TcpPingDeaf(unittest.TestCase, _BaseTcpPingDeafTest): |
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"""Testcase for IPv6 TCP version of ping - against non listen(2)ing port"""
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family = socket.AF_INET6 |
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address = constants.IP6_ADDRESS_LOCALHOST |
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|
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def setUp(self): |
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unittest.TestCase.setUp(self)
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_BaseTcpPingDeafTest.setUp(self)
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|
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def tearDown(self): |
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unittest.TestCase.tearDown(self)
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_BaseTcpPingDeafTest.tearDown(self)
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|
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|
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class TestFormatAddress(unittest.TestCase): |
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"""Testcase for FormatAddress"""
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def testFormatAddressUnixSocket(self): |
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res1 = netutils.FormatAddress(("12352", 0, 0), family=socket.AF_UNIX) |
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self.assertEqual(res1, "pid=12352, uid=0, gid=0") |
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|
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def testFormatAddressIP4(self): |
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res1 = netutils.FormatAddress(("127.0.0.1", 1234), family=socket.AF_INET) |
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self.assertEqual(res1, "127.0.0.1:1234") |
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res2 = netutils.FormatAddress(("192.0.2.32", None), family=socket.AF_INET) |
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self.assertEqual(res2, "192.0.2.32") |
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|
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def testFormatAddressIP6(self): |
| 450 |
res1 = netutils.FormatAddress(("::1", 1234), family=socket.AF_INET6) |
| 451 |
self.assertEqual(res1, "[::1]:1234") |
| 452 |
res2 = netutils.FormatAddress(("::1", None), family=socket.AF_INET6) |
| 453 |
self.assertEqual(res2, "[::1]") |
| 454 |
res2 = netutils.FormatAddress(("2001:db8::beef", "80"), |
| 455 |
family=socket.AF_INET6) |
| 456 |
self.assertEqual(res2, "[2001:db8::beef]:80") |
| 457 |
|
| 458 |
def testFormatAddressWithoutFamily(self): |
| 459 |
res1 = netutils.FormatAddress(("127.0.0.1", 1234)) |
| 460 |
self.assertEqual(res1, "127.0.0.1:1234") |
| 461 |
res2 = netutils.FormatAddress(("::1", 1234)) |
| 462 |
self.assertEqual(res2, "[::1]:1234") |
| 463 |
|
| 464 |
|
| 465 |
def testInvalidFormatAddress(self): |
| 466 |
self.assertRaises(errors.ParameterError, netutils.FormatAddress,
|
| 467 |
"127.0.0.1")
|
| 468 |
self.assertRaises(errors.ParameterError, netutils.FormatAddress,
|
| 469 |
"127.0.0.1", family=socket.AF_INET)
|
| 470 |
self.assertRaises(errors.ParameterError, netutils.FormatAddress,
|
| 471 |
("::1"), family=socket.AF_INET )
|
| 472 |
|
| 473 |
class TestIpParsing(testutils.GanetiTestCase): |
| 474 |
"""Test the code that parses the ip command output"""
|
| 475 |
|
| 476 |
def testIp4(self): |
| 477 |
valid_addresses = [constants.IP4_ADDRESS_ANY, |
| 478 |
constants.IP4_ADDRESS_LOCALHOST, |
| 479 |
"192.0.2.1", # RFC5737, IPv4 address blocks for docs |
| 480 |
"198.51.100.1",
|
| 481 |
"203.0.113.1",
|
| 482 |
] |
| 483 |
for addr in valid_addresses: |
| 484 |
self.failUnless(re.search(netutils._IP_RE_TEXT, addr))
|
| 485 |
|
| 486 |
def testIp6(self): |
| 487 |
valid_addresses = [constants.IP6_ADDRESS_ANY, |
| 488 |
constants.IP6_ADDRESS_LOCALHOST, |
| 489 |
"0:0:0:0:0:0:0:1", # other form for IP6_ADDRESS_LOCALHOST |
| 490 |
"0:0:0:0:0:0:0:0", # other form for IP6_ADDRESS_ANY |
| 491 |
"2001:db8:85a3::8a2e:370:7334", # RFC3849 IP6 docs block |
| 492 |
"2001:0db8:85a3:0000:0000:8a2e:0370:7334",
|
| 493 |
"0:0:0:0:0:FFFF:192.0.2.1", # IPv4-compatible IPv6 |
| 494 |
"::FFFF:192.0.2.1",
|
| 495 |
"0:0:0:0:0:0:203.0.113.1", # IPv4-mapped IPv6 |
| 496 |
"::203.0.113.1",
|
| 497 |
] |
| 498 |
for addr in valid_addresses: |
| 499 |
self.failUnless(re.search(netutils._IP_RE_TEXT, addr))
|
| 500 |
|
| 501 |
def testParseIpCommandOutput(self): |
| 502 |
# IPv4-only, fake loopback interface
|
| 503 |
tests = ["ip-addr-show-lo-ipv4.txt", "ip-addr-show-lo-oneline-ipv4.txt"] |
| 504 |
for test_file in tests: |
| 505 |
data = testutils.ReadTestData(test_file) |
| 506 |
addr = netutils._GetIpAddressesFromIpOutput(data) |
| 507 |
self.failUnless(len(addr[4]) == 1 and addr[4][0] == "127.0.0.1" and not |
| 508 |
addr[6])
|
| 509 |
|
| 510 |
# IPv6-only, fake loopback interface
|
| 511 |
tests = ["ip-addr-show-lo-ipv6.txt", "ip-addr-show-lo-ipv6.txt"] |
| 512 |
for test_file in tests: |
| 513 |
data = testutils.ReadTestData(test_file) |
| 514 |
addr = netutils._GetIpAddressesFromIpOutput(data) |
| 515 |
self.failUnless(len(addr[6]) == 1 and addr[6][0] == "::1" and not addr[4]) |
| 516 |
|
| 517 |
# IPv4 and IPv6, fake loopback interface
|
| 518 |
tests = ["ip-addr-show-lo.txt", "ip-addr-show-lo-oneline.txt"] |
| 519 |
for test_file in tests: |
| 520 |
data = testutils.ReadTestData(test_file) |
| 521 |
addr = netutils._GetIpAddressesFromIpOutput(data) |
| 522 |
self.failUnless(len(addr[6]) == 1 and addr[6][0] == "::1" and |
| 523 |
len(addr[4]) == 1 and addr[4][0] == "127.0.0.1") |
| 524 |
|
| 525 |
# IPv4 and IPv6, dummy interface
|
| 526 |
data = testutils.ReadTestData("ip-addr-show-dummy0.txt")
|
| 527 |
addr = netutils._GetIpAddressesFromIpOutput(data) |
| 528 |
self.failUnless(len(addr[6]) == 1 and |
| 529 |
addr[6][0] == "2001:db8:85a3::8a2e:370:7334" and |
| 530 |
len(addr[4]) == 1 and |
| 531 |
addr[4][0] == "192.0.2.1") |
| 532 |
|
| 533 |
|
| 534 |
class TestValidatePortNumber(unittest.TestCase): |
| 535 |
"""Test netutils.ValidatePortNumber"""
|
| 536 |
|
| 537 |
def testPortNumberInt(self): |
| 538 |
self.assertRaises(ValueError, lambda: \ |
| 539 |
netutils.ValidatePortNumber(500000))
|
| 540 |
self.assertEqual(netutils.ValidatePortNumber(5000), 5000) |
| 541 |
|
| 542 |
def testPortNumberStr(self): |
| 543 |
self.assertRaises(ValueError, lambda: \ |
| 544 |
netutils.ValidatePortNumber("pinky bunny"))
|
| 545 |
self.assertEqual(netutils.ValidatePortNumber("5000"), 5000) |
| 546 |
|
| 547 |
if __name__ == "__main__": |
| 548 |
testutils.GanetiTestProgram() |