605 lines
24 KiB
Python
605 lines
24 KiB
Python
# Copyright 2011 Justin Santa Barbara
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import errno
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import hashlib
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import os
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import os.path
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import shutil
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import tempfile
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import uuid
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import mock
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import netaddr
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from oslo_concurrency import processutils
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from oslo_config import cfg
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import six
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import six.moves.builtins as __builtin__
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from magnum.common import exception
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from magnum.common import utils
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from magnum.tests import base
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CONF = cfg.CONF
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class UtilsTestCase(base.TestCase):
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def test_random_alnum(self):
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s = utils.random_alnum(10)
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self.assertEqual(10, len(s))
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s = utils.random_alnum(100)
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self.assertEqual(100, len(s))
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def test_unlink(self):
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with mock.patch.object(os, "unlink") as unlink_mock:
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unlink_mock.return_value = None
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utils.unlink_without_raise("/fake/path")
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unlink_mock.assert_called_once_with("/fake/path")
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def test_unlink_ENOENT(self):
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with mock.patch.object(os, "unlink") as unlink_mock:
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unlink_mock.side_effect = OSError(errno.ENOENT)
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utils.unlink_without_raise("/fake/path")
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unlink_mock.assert_called_once_with("/fake/path")
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def test_create_link(self):
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with mock.patch.object(os, "symlink") as symlink_mock:
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symlink_mock.return_value = None
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utils.create_link_without_raise("/fake/source", "/fake/link")
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symlink_mock.assert_called_once_with("/fake/source", "/fake/link")
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def test_create_link_EEXIST(self):
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with mock.patch.object(os, "symlink") as symlink_mock:
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symlink_mock.side_effect = OSError(errno.EEXIST)
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utils.create_link_without_raise("/fake/source", "/fake/link")
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symlink_mock.assert_called_once_with("/fake/source", "/fake/link")
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def test_generate_uid(self):
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topic = 'test'
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size = 8
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s = utils.generate_uid(topic)
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self.assertEqual(len(topic) + size + 1, len(s))
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self.assertEqual(topic, s[:len(topic)])
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size = 22
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s = utils.generate_uid(topic, size)
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self.assertEqual(len(topic) + size + 1, len(s))
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def test_valid_ipv4(self):
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self.assertTrue(utils.is_valid_ipv4('10.0.0.1'))
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self.assertTrue(utils.is_valid_ipv4('255.255.255.255'))
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def test_invalid_ipv4(self):
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self.assertFalse(utils.is_valid_ipv4(''))
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self.assertFalse(utils.is_valid_ipv4('x.x.x.x'))
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self.assertFalse(utils.is_valid_ipv4('256.256.256.256'))
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self.assertFalse(utils.is_valid_ipv4(
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'AA42:0000:0000:0000:0202:B3FF:FE1E:8329'))
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def test_valid_ipv6(self):
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self.assertTrue(utils.is_valid_ipv6(
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'AA42:0000:0000:0000:0202:B3FF:FE1E:8329'))
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self.assertTrue(utils.is_valid_ipv6(
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'AA42::0202:B3FF:FE1E:8329'))
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def test_invalid_ipv6(self):
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self.assertFalse(utils.is_valid_ipv6(''))
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self.assertFalse(utils.is_valid_ipv6('10.0.0.1'))
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self.assertFalse(utils.is_valid_ipv6('AA42::0202:B3FF:FE1E:'))
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def test_valid_cidr(self):
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self.assertTrue(utils.is_valid_cidr('10.0.0.0/24'))
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self.assertTrue(utils.is_valid_cidr('10.0.0.1/32'))
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self.assertTrue(utils.is_valid_cidr('0.0.0.0/0'))
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def test_invalid_cidr(self):
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self.assertFalse(utils.is_valid_cidr('10.0.0.1'))
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self.assertFalse(utils.is_valid_cidr('10.0.0.1/33'))
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def test_valid_network(self):
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self.assertEqual('IPv4', utils.get_ip_version('10.0.0.1'))
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self.assertEqual('IPv6', utils.get_ip_version(
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'AA42:0000:0000:0000:0202:B3FF:FE1E:8329'))
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def test_invalid_network(self):
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self.assertRaises(netaddr.core.AddrFormatError,
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utils.get_ip_version, 'x.x.x.x')
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def test_convert_to_list_dict(self):
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self.assertIsNone(utils.convert_to_list_dict(None, 'fred'))
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self.assertIsNone(utils.convert_to_list_dict('', 'fred'))
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self.assertEqual([{'fred': 'list'}],
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utils.convert_to_list_dict('list', 'fred'))
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self.assertEqual([{'fred': 'first'}, {'fred': 'second'}],
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utils.convert_to_list_dict(['first', 'second'],
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'fred'))
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def test_get_memory_bytes(self):
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self.assertEqual(1024000.0, utils.get_memory_bytes('1000Ki'))
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self.assertEqual(0.001, utils.get_memory_bytes('1E-3'))
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self.assertEqual(0.5, utils.get_memory_bytes('0.0005k'))
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self.assertEqual(1300000.0, utils.get_memory_bytes('1.3E+6'))
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self.assertEqual(1300000.0, utils.get_memory_bytes('1.3E6'))
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self.assertRaises(exception.UnsupportedK8sMemoryFormat,
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utils.get_memory_bytes, '1E1E')
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class ExecuteTestCase(base.TestCase):
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def test_retry_on_failure(self):
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fd, tmpfilename = tempfile.mkstemp()
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_, tmpfilename2 = tempfile.mkstemp()
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try:
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fp = os.fdopen(fd, 'w+')
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fp.write('''#!/bin/sh
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# If stdin fails to get passed during one of the runs, make a note.
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if ! grep -q foo
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then
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echo 'failure' > "$1"
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fi
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# If stdin has failed to get passed during this or a previous run, exit early.
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if grep failure "$1"
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then
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exit 1
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fi
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runs="$(cat $1)"
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if [ -z "$runs" ]
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then
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runs=0
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fi
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runs=$(($runs + 1))
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echo $runs > "$1"
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exit 1
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''')
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fp.close()
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os.chmod(tmpfilename, 0o755)
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try:
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self.assertRaises(processutils.ProcessExecutionError,
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utils.execute,
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tmpfilename, tmpfilename2, attempts=10,
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process_input=b'foo',
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delay_on_retry=False)
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except OSError as e:
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if e.errno == errno.EACCES:
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self.skipTest("Permissions error detected. "
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"Are you running with a noexec /tmp?")
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else:
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raise
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fp = open(tmpfilename2, 'r')
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runs = fp.read()
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fp.close()
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self.assertNotEqual(runs.strip(), 'failure', 'stdin did not '
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'always get passed '
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'correctly')
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runs = int(runs.strip())
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self.assertEqual(10, runs,
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'Ran %d times instead of 10.' % runs)
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finally:
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os.unlink(tmpfilename)
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os.unlink(tmpfilename2)
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def test_unknown_kwargs_raises_error(self):
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self.assertRaises(processutils.UnknownArgumentError,
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utils.execute,
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'/usr/bin/env', 'true',
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this_is_not_a_valid_kwarg=True)
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def test_check_exit_code_boolean(self):
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utils.execute('/usr/bin/env', 'false', check_exit_code=False)
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self.assertRaises(processutils.ProcessExecutionError,
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utils.execute,
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'/usr/bin/env', 'false', check_exit_code=True)
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def test_no_retry_on_success(self):
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fd, tmpfilename = tempfile.mkstemp()
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_, tmpfilename2 = tempfile.mkstemp()
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try:
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fp = os.fdopen(fd, 'w+')
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fp.write('''#!/bin/sh
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# If we've already run, bail out.
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grep -q foo "$1" && exit 1
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# Mark that we've run before.
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echo foo > "$1"
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# Check that stdin gets passed correctly.
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grep foo
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''')
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fp.close()
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os.chmod(tmpfilename, 0o755)
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try:
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utils.execute(tmpfilename,
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tmpfilename2,
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process_input=b'foo',
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attempts=2)
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except OSError as e:
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if e.errno == errno.EACCES:
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self.skipTest("Permissions error detected. "
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"Are you running with a noexec /tmp?")
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else:
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raise
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finally:
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os.unlink(tmpfilename)
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os.unlink(tmpfilename2)
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@mock.patch.object(processutils, 'execute')
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@mock.patch.object(os.environ, 'copy', return_value={})
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def test_execute_use_standard_locale_no_env_variables(self, env_mock,
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execute_mock):
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utils.execute('foo', use_standard_locale=True)
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execute_mock.assert_called_once_with('foo',
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env_variables={'LC_ALL': 'C'})
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@mock.patch.object(processutils, 'execute')
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def test_execute_use_standard_locale_with_env_variables(self,
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execute_mock):
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utils.execute('foo', use_standard_locale=True,
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env_variables={'foo': 'bar'})
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execute_mock.assert_called_once_with('foo',
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env_variables={'LC_ALL': 'C',
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'foo': 'bar'})
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@mock.patch.object(processutils, 'execute')
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def test_execute_not_use_standard_locale(self, execute_mock):
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utils.execute('foo', use_standard_locale=False,
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env_variables={'foo': 'bar'})
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execute_mock.assert_called_once_with('foo',
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env_variables={'foo': 'bar'})
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def test_execute_get_root_helper(self):
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with mock.patch.object(processutils, 'execute') as execute_mock:
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helper = utils._get_root_helper()
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utils.execute('foo', run_as_root=True)
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execute_mock.assert_called_once_with('foo', run_as_root=True,
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root_helper=helper)
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def test_execute_without_root_helper(self):
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with mock.patch.object(processutils, 'execute') as execute_mock:
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utils.execute('foo', run_as_root=False)
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execute_mock.assert_called_once_with('foo', run_as_root=False)
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class GenericUtilsTestCase(base.TestCase):
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def test_hostname_unicode_sanitization(self):
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hostname = u"\u7684.test.example.com"
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self.assertEqual("test.example.com",
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utils.sanitize_hostname(hostname))
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def test_hostname_sanitize_periods(self):
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hostname = "....test.example.com..."
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self.assertEqual("test.example.com",
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utils.sanitize_hostname(hostname))
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def test_hostname_sanitize_dashes(self):
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hostname = "----test.example.com---"
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self.assertEqual("test.example.com",
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utils.sanitize_hostname(hostname))
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def test_hostname_sanitize_characters(self):
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hostname = "(#@&$!(@*--#&91)(__=+--test-host.example!!.com-0+"
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self.assertEqual("91----test-host.example.com-0",
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utils.sanitize_hostname(hostname))
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def test_hostname_translate(self):
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hostname = "<}\x1fh\x10e\x08l\x02l\x05o\x12!{>"
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self.assertEqual("hello", utils.sanitize_hostname(hostname))
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def test_read_cached_file(self):
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with mock.patch.object(os.path, "getmtime") as getmtime_mock:
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getmtime_mock.return_value = 1
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cache_data = {"data": 1123, "mtime": 1}
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data = utils.read_cached_file("/this/is/a/fake", cache_data)
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self.assertEqual(cache_data["data"], data)
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getmtime_mock.assert_called_once_with(mock.ANY)
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def test_read_modified_cached_file(self):
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with mock.patch.object(os.path, "getmtime") as getmtime_mock:
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with mock.patch.object(__builtin__, 'open') as open_mock:
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getmtime_mock.return_value = 2
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fake_contents = "lorem ipsum"
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fake_file = mock.Mock()
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fake_file.read.return_value = fake_contents
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fake_context_manager = mock.MagicMock()
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fake_context_manager.__enter__.return_value = fake_file
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fake_context_manager.__exit__.return_value = None
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open_mock.return_value = fake_context_manager
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cache_data = {"data": 1123, "mtime": 1}
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self.reload_called = False
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def test_reload(reloaded_data):
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self.assertEqual(fake_contents, reloaded_data)
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self.reload_called = True
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data = utils.read_cached_file("/this/is/a/fake",
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cache_data,
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reload_func=test_reload)
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self.assertEqual(fake_contents, data)
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self.assertTrue(self.reload_called)
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getmtime_mock.assert_called_once_with(mock.ANY)
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open_mock.assert_called_once_with(mock.ANY)
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fake_file.read.assert_called_once_with()
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fake_context_manager.__exit__.assert_called_once_with(mock.ANY,
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mock.ANY,
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mock.ANY)
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fake_context_manager.__enter__.assert_called_once_with()
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def test_hash_file(self):
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data = 'Mary had a little lamb, its fleece as white as snow'
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flo = six.StringIO(data)
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h1 = utils.hash_file(flo)
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h2 = hashlib.sha1(data).hexdigest()
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self.assertEqual(h1, h2)
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def test_is_valid_boolstr(self):
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self.assertTrue(utils.is_valid_boolstr('true'))
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self.assertTrue(utils.is_valid_boolstr('false'))
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self.assertTrue(utils.is_valid_boolstr('yes'))
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self.assertTrue(utils.is_valid_boolstr('no'))
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self.assertTrue(utils.is_valid_boolstr('y'))
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self.assertTrue(utils.is_valid_boolstr('n'))
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self.assertTrue(utils.is_valid_boolstr('1'))
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self.assertTrue(utils.is_valid_boolstr('0'))
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self.assertFalse(utils.is_valid_boolstr('maybe'))
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self.assertFalse(utils.is_valid_boolstr('only on tuesdays'))
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def test_is_valid_ipv6_cidr(self):
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self.assertTrue(utils.is_valid_ipv6_cidr("2600::/64"))
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self.assertTrue(utils.is_valid_ipv6_cidr(
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"abcd:ef01:2345:6789:abcd:ef01:192.168.254.254/48"))
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self.assertTrue(utils.is_valid_ipv6_cidr(
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"0000:0000:0000:0000:0000:0000:0000:0001/32"))
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self.assertTrue(utils.is_valid_ipv6_cidr(
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"0000:0000:0000:0000:0000:0000:0000:0001"))
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self.assertFalse(utils.is_valid_ipv6_cidr("foo"))
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self.assertFalse(utils.is_valid_ipv6_cidr("127.0.0.1"))
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def test_get_shortened_ipv6(self):
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self.assertEqual("abcd:ef01:2345:6789:abcd:ef01:c0a8:fefe",
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utils.get_shortened_ipv6(
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"abcd:ef01:2345:6789:abcd:ef01:192.168.254.254"))
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self.assertEqual("::1",
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utils.get_shortened_ipv6(
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"0000:0000:0000:0000:0000:0000:0000:0001"))
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self.assertEqual("caca::caca:0:babe:201:102",
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utils.get_shortened_ipv6(
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"caca:0000:0000:caca:0000:babe:0201:0102"))
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self.assertRaises(netaddr.AddrFormatError, utils.get_shortened_ipv6,
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"127.0.0.1")
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self.assertRaises(netaddr.AddrFormatError, utils.get_shortened_ipv6,
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"failure")
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def test_get_shortened_ipv6_cidr(self):
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self.assertEqual("2600::/64",
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utils.get_shortened_ipv6_cidr(
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"2600:0000:0000:0000:0000:0000:0000:0000/64"))
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self.assertEqual("2600::/64",
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utils.get_shortened_ipv6_cidr(
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"2600::1/64"))
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self.assertRaises(netaddr.AddrFormatError,
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utils.get_shortened_ipv6_cidr,
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"127.0.0.1")
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self.assertRaises(netaddr.AddrFormatError,
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utils.get_shortened_ipv6_cidr,
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"failure")
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def test_is_valid_mac(self):
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self.assertTrue(utils.is_valid_mac("52:54:00:cf:2d:31"))
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self.assertTrue(utils.is_valid_mac(u"52:54:00:cf:2d:31"))
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self.assertFalse(utils.is_valid_mac("127.0.0.1"))
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self.assertFalse(utils.is_valid_mac("not:a:mac:address"))
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self.assertFalse(utils.is_valid_mac("52-54-00-cf-2d-31"))
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self.assertFalse(utils.is_valid_mac("aa bb cc dd ee ff"))
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self.assertTrue(utils.is_valid_mac("AA:BB:CC:DD:EE:FF"))
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self.assertFalse(utils.is_valid_mac("AA BB CC DD EE FF"))
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self.assertFalse(utils.is_valid_mac("AA-BB-CC-DD-EE-FF"))
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def test_validate_and_normalize_mac(self):
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mac = 'AA:BB:CC:DD:EE:FF'
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with mock.patch.object(utils, 'is_valid_mac') as m_mock:
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m_mock.return_value = True
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self.assertEqual(mac.lower(),
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utils.validate_and_normalize_mac(mac))
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def test_validate_and_normalize_mac_invalid_format(self):
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with mock.patch.object(utils, 'is_valid_mac') as m_mock:
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m_mock.return_value = False
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self.assertRaises(exception.InvalidMAC,
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utils.validate_and_normalize_mac, 'invalid-mac')
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def test_safe_rstrip(self):
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value = '/test/'
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rstripped_value = '/test'
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not_rstripped = '/'
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self.assertEqual(rstripped_value, utils.safe_rstrip(value, '/'))
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self.assertEqual(not_rstripped, utils.safe_rstrip(not_rstripped, '/'))
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def test_safe_rstrip_not_raises_exceptions(self):
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# Supplying an integer should normally raise an exception because it
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# does not save the rstrip() method.
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value = 10
|
|
|
|
# In the case of raising an exception safe_rstrip() should return the
|
|
# original value.
|
|
self.assertEqual(value, utils.safe_rstrip(value))
|
|
|
|
|
|
class MkfsTestCase(base.TestCase):
|
|
|
|
@mock.patch.object(utils, 'execute')
|
|
def test_mkfs(self, execute_mock):
|
|
utils.mkfs('ext4', '/my/block/dev')
|
|
utils.mkfs('msdos', '/my/msdos/block/dev')
|
|
utils.mkfs('swap', '/my/swap/block/dev')
|
|
|
|
expected = [mock.call('mkfs', '-t', 'ext4', '-F', '/my/block/dev',
|
|
run_as_root=True,
|
|
use_standard_locale=True),
|
|
mock.call('mkfs', '-t', 'msdos', '/my/msdos/block/dev',
|
|
run_as_root=True,
|
|
use_standard_locale=True),
|
|
mock.call('mkswap', '/my/swap/block/dev',
|
|
run_as_root=True,
|
|
use_standard_locale=True)]
|
|
self.assertEqual(expected, execute_mock.call_args_list)
|
|
|
|
@mock.patch.object(utils, 'execute')
|
|
def test_mkfs_with_label(self, execute_mock):
|
|
utils.mkfs('ext4', '/my/block/dev', 'ext4-vol')
|
|
utils.mkfs('msdos', '/my/msdos/block/dev', 'msdos-vol')
|
|
utils.mkfs('swap', '/my/swap/block/dev', 'swap-vol')
|
|
|
|
expected = [mock.call('mkfs', '-t', 'ext4', '-F', '-L', 'ext4-vol',
|
|
'/my/block/dev', run_as_root=True,
|
|
use_standard_locale=True),
|
|
mock.call('mkfs', '-t', 'msdos', '-n', 'msdos-vol',
|
|
'/my/msdos/block/dev', run_as_root=True,
|
|
use_standard_locale=True),
|
|
mock.call('mkswap', '-L', 'swap-vol',
|
|
'/my/swap/block/dev', run_as_root=True,
|
|
use_standard_locale=True)]
|
|
self.assertEqual(expected, execute_mock.call_args_list)
|
|
|
|
@mock.patch.object(utils, 'execute',
|
|
side_effect=processutils.ProcessExecutionError(
|
|
stderr=os.strerror(errno.ENOENT)))
|
|
def test_mkfs_with_unsupported_fs(self, execute_mock):
|
|
self.assertRaises(exception.FileSystemNotSupported,
|
|
utils.mkfs, 'foo', '/my/block/dev')
|
|
|
|
@mock.patch.object(utils, 'execute',
|
|
side_effect=processutils.ProcessExecutionError(
|
|
stderr='fake'))
|
|
def test_mkfs_with_unexpected_error(self, execute_mock):
|
|
self.assertRaises(processutils.ProcessExecutionError, utils.mkfs,
|
|
'ext4', '/my/block/dev', 'ext4-vol')
|
|
|
|
|
|
class IntLikeTestCase(base.TestCase):
|
|
|
|
def test_is_int_like(self):
|
|
self.assertTrue(utils.is_int_like(1))
|
|
self.assertTrue(utils.is_int_like("1"))
|
|
self.assertTrue(utils.is_int_like("514"))
|
|
self.assertTrue(utils.is_int_like("0"))
|
|
|
|
self.assertFalse(utils.is_int_like(1.1))
|
|
self.assertFalse(utils.is_int_like("1.1"))
|
|
self.assertFalse(utils.is_int_like("1.1.1"))
|
|
self.assertFalse(utils.is_int_like(None))
|
|
self.assertFalse(utils.is_int_like("0."))
|
|
self.assertFalse(utils.is_int_like("aaaaaa"))
|
|
self.assertFalse(utils.is_int_like("...."))
|
|
self.assertFalse(utils.is_int_like("1g"))
|
|
self.assertFalse(
|
|
utils.is_int_like("0cc3346e-9fef-4445-abe6-5d2b2690ec64"))
|
|
self.assertFalse(utils.is_int_like("a1"))
|
|
|
|
|
|
class UUIDTestCase(base.TestCase):
|
|
|
|
def test_generate_uuid(self):
|
|
uuid_string = utils.generate_uuid()
|
|
self.assertIsInstance(uuid_string, str)
|
|
self.assertEqual(36, len(uuid_string))
|
|
# make sure there are 4 dashes
|
|
self.assertEqual(32, len(uuid_string.replace('-', '')))
|
|
|
|
def test_is_uuid_like(self):
|
|
self.assertTrue(utils.is_uuid_like(str(uuid.uuid4())))
|
|
|
|
def test_id_is_uuid_like(self):
|
|
self.assertFalse(utils.is_uuid_like(1234567))
|
|
|
|
def test_name_is_uuid_like(self):
|
|
self.assertFalse(utils.is_uuid_like('zhongyueluo'))
|
|
|
|
|
|
class TempFilesTestCase(base.TestCase):
|
|
|
|
def test_tempdir(self):
|
|
|
|
dirname = None
|
|
with utils.tempdir() as tempdir:
|
|
self.assertTrue(os.path.isdir(tempdir))
|
|
dirname = tempdir
|
|
self.assertFalse(os.path.exists(dirname))
|
|
|
|
@mock.patch.object(shutil, 'rmtree')
|
|
@mock.patch.object(tempfile, 'mkdtemp')
|
|
def test_tempdir_mocked(self, mkdtemp_mock, rmtree_mock):
|
|
|
|
self.config(tempdir='abc')
|
|
mkdtemp_mock.return_value = 'temp-dir'
|
|
kwargs = {'a': 'b'}
|
|
|
|
with utils.tempdir(**kwargs) as tempdir:
|
|
self.assertEqual('temp-dir', tempdir)
|
|
tempdir_created = tempdir
|
|
|
|
mkdtemp_mock.assert_called_once_with(**kwargs)
|
|
rmtree_mock.assert_called_once_with(tempdir_created)
|
|
|
|
@mock.patch.object(utils, 'LOG')
|
|
@mock.patch.object(shutil, 'rmtree')
|
|
@mock.patch.object(tempfile, 'mkdtemp')
|
|
def test_tempdir_mocked_error_on_rmtree(self, mkdtemp_mock, rmtree_mock,
|
|
log_mock):
|
|
|
|
self.config(tempdir='abc')
|
|
mkdtemp_mock.return_value = 'temp-dir'
|
|
rmtree_mock.side_effect = OSError
|
|
|
|
with utils.tempdir() as tempdir:
|
|
self.assertEqual('temp-dir', tempdir)
|
|
tempdir_created = tempdir
|
|
|
|
rmtree_mock.assert_called_once_with(tempdir_created)
|
|
self.assertTrue(log_mock.error.called)
|
|
|
|
|
|
class Urllib2_invalid_scheme(base.TestCase):
|
|
def test_raise_exception_invalid_scheme_file(self):
|
|
self.assertRaises(
|
|
exception.Urllib2InvalidScheme,
|
|
utils.raise_exception_invalid_scheme,
|
|
'file:///etc/passwd')
|
|
|
|
def test_raise_exception_invalid_scheme_starting_colon(self):
|
|
self.assertRaises(
|
|
exception.Urllib2InvalidScheme,
|
|
utils.raise_exception_invalid_scheme,
|
|
':///etc/passwd')
|
|
|
|
def test_raise_exception_invalid_scheme_None(self):
|
|
self.assertRaises(
|
|
exception.Urllib2InvalidScheme,
|
|
utils.raise_exception_invalid_scheme,
|
|
None)
|
|
|
|
def test_raise_exception_invalid_scheme_empty_string(self):
|
|
self.assertRaises(
|
|
exception.Urllib2InvalidScheme,
|
|
utils.raise_exception_invalid_scheme,
|
|
'')
|
|
|
|
def test_raise_exception_invalid_scheme_http(self):
|
|
utils.raise_exception_invalid_scheme(url='http://www.openstack.org')
|
|
|
|
def test_raise_exception_invalid_scheme_https(self):
|
|
utils.raise_exception_invalid_scheme(url='https://www.openstack.org')
|