root / test / ganeti.netutils_unittest.py @ 7578ab0a
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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 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 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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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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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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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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def tearDown(self): |
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del self.deaflistener |
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del self.deaflistenerport |
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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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def setUp(self): |
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unittest.TestCase.setUp(self)
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_BaseTcpPingDeafTest.setUp(self)
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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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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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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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def testFormatAddressIP6(self): |
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res1 = netutils.FormatAddress(("::1", 1234), family=socket.AF_INET6) |
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self.assertEqual(res1, "[::1]:1234") |
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res2 = netutils.FormatAddress(("::1", None), family=socket.AF_INET6) |
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self.assertEqual(res2, "[::1]") |
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res2 = netutils.FormatAddress(("2001:db8::beef", "80"), |
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family=socket.AF_INET6) |
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self.assertEqual(res2, "[2001:db8::beef]:80") |
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def testFormatAddressWithoutFamily(self): |
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res1 = netutils.FormatAddress(("127.0.0.1", 1234)) |
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self.assertEqual(res1, "127.0.0.1:1234") |
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res2 = netutils.FormatAddress(("::1", 1234)) |
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self.assertEqual(res2, "[::1]:1234") |
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def testInvalidFormatAddress(self): |
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self.assertRaises(errors.ParameterError, netutils.FormatAddress,
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"127.0.0.1")
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self.assertRaises(errors.ParameterError, netutils.FormatAddress,
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"127.0.0.1", family=socket.AF_INET)
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self.assertRaises(errors.ParameterError, netutils.FormatAddress,
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("::1"), family=socket.AF_INET )
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |