d96fc944cd
* proper parsing of network content metadata, including v6 support * v6 addresses static network configuration support (address, netmask, gateway) * remove redundant code in networkconfig and osutils network related tests Change-Id: Ieb2c18e29d0c275feb3a03e7340b3c91327705ba
295 lines
10 KiB
Python
295 lines
10 KiB
Python
# Copyright 2013 Cloudbase Solutions Srl
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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 functools
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from cloudbaseinit import exception
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from cloudbaseinit.metadata.services import base as service_base
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from cloudbaseinit.plugins.common import base as plugin_base
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from cloudbaseinit.plugins.common import networkconfig
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class TestNetworkConfigPlugin(unittest.TestCase):
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def setUp(self):
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self._setUp()
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@mock.patch("cloudbaseinit.osutils.factory.get_os_utils")
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def _test_execute(self, mock_get_os_utils,
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network_adapters=None,
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network_details=None,
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invalid_details=False,
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missed_adapters=[],
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extra_network_details=[]):
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# Prepare mock environment.
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mock_service = mock.MagicMock()
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mock_shared_data = mock.Mock()
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mock_osutils = mock.MagicMock()
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mock_service.get_network_details.return_value = network_details
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mock_get_os_utils.return_value = mock_osutils
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mock_osutils.get_network_adapters.return_value = network_adapters
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mock_osutils.set_static_network_config.return_value = True
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network_execute = functools.partial(
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self._network_plugin.execute,
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mock_service, mock_shared_data
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)
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# Actual tests.
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if not network_details:
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ret = network_execute()
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self.assertEqual((plugin_base.PLUGIN_EXECUTION_DONE, False), ret)
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return
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if invalid_details or not network_adapters:
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with self.assertRaises(exception.CloudbaseInitException):
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network_execute()
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return
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# Good to go for the configuration process.
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ret = network_execute()
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calls, calls6 = [], []
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for adapter in set(network_adapters) - set(missed_adapters):
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nics = [nic for nic in (network_details +
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extra_network_details)
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if nic.mac == adapter[1]]
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self.assertTrue(nics) # missed_adapters should do the job
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nic = nics[0]
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call = mock.call(
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nic.mac,
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nic.address,
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nic.netmask,
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nic.broadcast,
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nic.gateway,
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nic.dnsnameservers
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)
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call6 = mock.call(
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nic.mac,
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nic.address6,
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nic.netmask6,
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nic.gateway6
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)
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calls.append(call)
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if nic.address6 and nic.netmask6:
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calls6.append(call6)
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self.assertEqual(
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len(calls),
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mock_osutils.set_static_network_config.call_count)
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self.assertEqual(
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len(calls6),
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mock_osutils.set_static_network_config_v6.call_count)
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mock_osutils.set_static_network_config.assert_has_calls(
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calls, any_order=True)
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mock_osutils.set_static_network_config_v6.assert_has_calls(
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calls6, any_order=True)
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reboot = len(missed_adapters) != self._count
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self.assertEqual((plugin_base.PLUGIN_EXECUTION_DONE, reboot), ret)
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def _setUp(self, same_names=True, wrong_names=False, no_macs=False):
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# Generate fake pairs of NetworkDetails objects and
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# local ethernet network adapters.
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iface_name = "Ethernet" if wrong_names else "eth"
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self._count = 3
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details_names = ["{}{}".format(iface_name, idx)
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for idx in range(self._count)]
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if same_names:
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adapters_names = details_names[:]
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else:
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adapters_names = ["vm " + name for name in details_names]
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macs = [
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"54:EE:75:19:F4:61",
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"54:EE:75:19:F4:62",
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"54:EE:75:19:F4:63"
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]
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addresses = [
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"192.168.122.101",
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"192.168.103.104",
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"192.168.122.105",
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]
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addresses6 = [
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"::ffff:c0a8:7a65",
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"::ffff:c0a8:6768",
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"::ffff:c0a8:7a69"
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]
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netmasks = [
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"255.255.255.0",
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"255.255.0.0",
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"255.255.255.128",
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]
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netmasks6 = [
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"96",
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"64",
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"100"
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]
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broadcasts = [
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"192.168.122.255",
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"192.168.255.255",
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"192.168.122.127",
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]
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gateways = [
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"192.168.122.1",
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"192.168.122.16",
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"192.168.122.32",
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]
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gateways6 = [
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"::ffff:c0a8:7a01",
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"::ffff:c0a8:7a10",
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"::ffff:c0a8:7a20"
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]
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dnsnses = [
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"8.8.8.8",
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"8.8.8.8 8.8.4.4",
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"8.8.8.8 0.0.0.0",
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]
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self._network_adapters = []
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self._network_details = []
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for ind in range(self._count):
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adapter = (adapters_names[ind], macs[ind])
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nic = service_base.NetworkDetails(
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details_names[ind],
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None if no_macs else macs[ind],
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addresses[ind],
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addresses6[ind],
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netmasks[ind],
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netmasks6[ind],
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broadcasts[ind],
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gateways[ind],
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gateways6[ind],
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dnsnses[ind].split()
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)
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self._network_adapters.append(adapter)
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self._network_details.append(nic)
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# Get the network config plugin.
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self._network_plugin = networkconfig.NetworkConfigPlugin()
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# Execution wrapper.
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self._partial_test_execute = functools.partial(
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self._test_execute,
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network_adapters=self._network_adapters,
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network_details=self._network_details
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)
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def test_execute_no_network_details(self):
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self._network_details[:] = []
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self._partial_test_execute()
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def test_execute_no_network_adapters(self):
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self._network_adapters[:] = []
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self._partial_test_execute()
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def test_execute_invalid_network_details(self):
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self._network_details.append([None] * 6)
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self._partial_test_execute(invalid_details=True)
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def test_execute_invalid_network_details_name(self):
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self._setUp(wrong_names=True, no_macs=True)
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self._partial_test_execute(invalid_details=True)
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def test_execute_single(self):
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for _ in range(self._count - 1):
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self._network_adapters.pop()
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self._network_details.pop()
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self._partial_test_execute()
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def test_execute_multiple(self):
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self._partial_test_execute()
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def test_execute_missing_one(self):
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self.assertGreater(self._count, 1)
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self._network_details.pop(0)
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adapter = self._network_adapters[0]
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self._partial_test_execute(missed_adapters=[adapter])
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def test_execute_missing_all(self):
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nic = self._network_details[0]
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nic = service_base.NetworkDetails(
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nic.name,
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"00" + nic.mac[2:],
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nic.address,
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nic.address6,
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nic.netmask,
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nic.netmask6,
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nic.broadcast,
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nic.gateway,
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nic.gateway6,
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nic.dnsnameservers
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)
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self._network_details[:] = [nic]
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self._partial_test_execute(missed_adapters=self._network_adapters)
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def _test_execute_missing_smth(self, name=False, mac=False,
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address=False, address6=False,
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netmask=False, netmask6=False,
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gateway=False, fail=False):
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ind = self._count - 1
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nic = self._network_details[ind]
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nic2 = service_base.NetworkDetails(
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None if name else nic.name,
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None if mac else nic.mac,
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None if address else nic.address,
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None if address6 else nic.address6,
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None if netmask else nic.netmask,
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None if netmask6 else nic.netmask6,
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nic.broadcast,
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None if gateway else nic.gateway,
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None if gateway else nic.gateway6,
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nic.dnsnameservers
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)
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self._network_details[ind] = nic2
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# Excluding address and gateway switches...
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if not fail:
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# Even this way, all adapters should be configured.
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missed_adapters = []
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extra_network_details = [nic]
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else:
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# Both name and MAC are missing, so we can't make the match.
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# Or other vital details.
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missed_adapters = [self._network_adapters[ind]]
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extra_network_details = []
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self._partial_test_execute(
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missed_adapters=missed_adapters,
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extra_network_details=extra_network_details
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)
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def test_execute_missing_mac(self):
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self._test_execute_missing_smth(mac=True)
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def test_execute_missing_mac2(self):
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self._setUp(same_names=False)
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self._test_execute_missing_smth(mac=True)
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def test_execute_missing_name_mac(self):
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self._test_execute_missing_smth(name=True, mac=True, fail=True)
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def test_execute_missing_address(self):
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self._test_execute_missing_smth(address=True)
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def test_execute_missing_netmask(self):
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self._test_execute_missing_smth(netmask=True)
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def test_execute_missing_address6(self):
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self._test_execute_missing_smth(address6=True)
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def test_execute_missing_netmask6(self):
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self._test_execute_missing_smth(netmask6=True)
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def test_execute_missing_address_netmask6(self):
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self._test_execute_missing_smth(address=True, netmask6=True,
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fail=True)
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def test_execute_missing_gateway(self):
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self._test_execute_missing_smth(gateway=True)
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