c78862052c
`test` is is a internal Python package (see [doc]), and as such should not be used here. It make tests fail in some environments. [doc]: https://docs.python.org/3/library/test.html
595 lines
25 KiB
Python
595 lines
25 KiB
Python
# Copyright 2016 Mirantis, Inc.
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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 inventory
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from io import StringIO
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import unittest
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from unittest import mock
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from collections import OrderedDict
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import sys
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path = "./contrib/inventory_builder/"
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if path not in sys.path:
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sys.path.append(path)
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import inventory # noqa
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class TestInventoryPrintHostnames(unittest.TestCase):
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@mock.patch('ruamel.yaml.YAML.load')
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def test_print_hostnames(self, load_mock):
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mock_io = mock.mock_open(read_data='')
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load_mock.return_value = OrderedDict({'all': {'hosts': {
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'node1': {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'},
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'node2': {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'}}}})
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with mock.patch('builtins.open', mock_io):
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with self.assertRaises(SystemExit) as cm:
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with mock.patch('sys.stdout', new_callable=StringIO) as stdout:
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inventory.KubesprayInventory(
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changed_hosts=["print_hostnames"],
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config_file="file")
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self.assertEqual("node1 node2\n", stdout.getvalue())
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self.assertEqual(cm.exception.code, 0)
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class TestInventory(unittest.TestCase):
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@mock.patch('inventory.sys')
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def setUp(self, sys_mock):
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sys_mock.exit = mock.Mock()
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super(TestInventory, self).setUp()
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self.data = ['10.90.3.2', '10.90.3.3', '10.90.3.4']
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self.inv = inventory.KubesprayInventory()
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def test_get_ip_from_opts(self):
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optstring = {'ansible_host': '10.90.3.2',
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'ip': '10.90.3.2',
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'access_ip': '10.90.3.2'}
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expected = "10.90.3.2"
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result = self.inv.get_ip_from_opts(optstring)
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self.assertEqual(expected, result)
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def test_get_ip_from_opts_invalid(self):
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optstring = "notanaddr=value something random!chars:D"
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self.assertRaisesRegex(ValueError, "IP parameter not found",
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self.inv.get_ip_from_opts, optstring)
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def test_ensure_required_groups(self):
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groups = ['group1', 'group2']
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self.inv.ensure_required_groups(groups)
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for group in groups:
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self.assertIn(group, self.inv.yaml_config['all']['children'])
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def test_get_host_id(self):
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hostnames = ['node99', 'no99de01', '01node01', 'node1.domain',
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'node3.xyz123.aaa']
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expected = [99, 1, 1, 1, 3]
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for hostname, expected in zip(hostnames, expected):
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result = self.inv.get_host_id(hostname)
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self.assertEqual(expected, result)
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def test_get_host_id_invalid(self):
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bad_hostnames = ['node', 'no99de', '01node', 'node.111111']
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for hostname in bad_hostnames:
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self.assertRaisesRegex(ValueError, "Host name must end in an",
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self.inv.get_host_id, hostname)
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def test_build_hostnames_add_duplicate(self):
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changed_hosts = ['10.90.0.2']
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expected = OrderedDict([('node3',
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{'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'})])
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self.inv.yaml_config['all']['hosts'] = expected
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result = self.inv.build_hostnames(changed_hosts, True)
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self.assertEqual(expected, result)
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def test_build_hostnames_add_two(self):
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changed_hosts = ['10.90.0.2', '10.90.0.3']
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expected = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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self.inv.yaml_config['all']['hosts'] = OrderedDict()
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_add_three(self):
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changed_hosts = ['10.90.0.2', '10.90.0.3', '10.90.0.4']
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expected = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'}),
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('node3', {'ansible_host': '10.90.0.4',
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'ip': '10.90.0.4',
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'access_ip': '10.90.0.4'})])
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_add_one(self):
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changed_hosts = ['10.90.0.2']
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expected = OrderedDict([('node1',
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{'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'})])
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_delete_first(self):
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changed_hosts = ['-10.90.0.2']
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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self.inv.yaml_config['all']['hosts'] = existing_hosts
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expected = OrderedDict([
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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result = self.inv.build_hostnames(changed_hosts, True)
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self.assertEqual(expected, result)
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def test_build_hostnames_delete_by_hostname(self):
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changed_hosts = ['-node1']
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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self.inv.yaml_config['all']['hosts'] = existing_hosts
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expected = OrderedDict([
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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result = self.inv.build_hostnames(changed_hosts, True)
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self.assertEqual(expected, result)
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def test_exists_hostname_positive(self):
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hostname = 'node1'
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expected = True
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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result = self.inv.exists_hostname(existing_hosts, hostname)
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self.assertEqual(expected, result)
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def test_exists_hostname_negative(self):
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hostname = 'node99'
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expected = False
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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result = self.inv.exists_hostname(existing_hosts, hostname)
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self.assertEqual(expected, result)
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def test_exists_ip_positive(self):
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ip = '10.90.0.2'
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expected = True
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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result = self.inv.exists_ip(existing_hosts, ip)
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self.assertEqual(expected, result)
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def test_exists_ip_negative(self):
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ip = '10.90.0.200'
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expected = False
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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result = self.inv.exists_ip(existing_hosts, ip)
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self.assertEqual(expected, result)
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def test_delete_host_by_ip_positive(self):
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ip = '10.90.0.2'
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expected = OrderedDict([
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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self.inv.delete_host_by_ip(existing_hosts, ip)
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self.assertEqual(expected, existing_hosts)
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def test_delete_host_by_ip_negative(self):
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ip = '10.90.0.200'
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'})])
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self.assertRaisesRegex(ValueError, "Unable to find host",
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self.inv.delete_host_by_ip, existing_hosts, ip)
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def test_purge_invalid_hosts(self):
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proper_hostnames = ['node1', 'node2']
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bad_host = 'doesnotbelong2'
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existing_hosts = OrderedDict([
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('node1', {'ansible_host': '10.90.0.2',
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'ip': '10.90.0.2',
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'access_ip': '10.90.0.2'}),
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('node2', {'ansible_host': '10.90.0.3',
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'ip': '10.90.0.3',
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'access_ip': '10.90.0.3'}),
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('doesnotbelong2', {'whateveropts=ilike'})])
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self.inv.yaml_config['all']['hosts'] = existing_hosts
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self.inv.purge_invalid_hosts(proper_hostnames)
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self.assertNotIn(
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bad_host, self.inv.yaml_config['all']['hosts'].keys())
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def test_add_host_to_group(self):
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group = 'etcd'
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host = 'node1'
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opts = {'ip': '10.90.0.2'}
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self.inv.add_host_to_group(group, host, opts)
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self.assertEqual(
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self.inv.yaml_config['all']['children'][group]['hosts'].get(host),
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None)
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def test_set_kube_control_plane(self):
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group = 'kube_control_plane'
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host = 'node1'
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self.inv.set_kube_control_plane([host])
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self.assertIn(
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host, self.inv.yaml_config['all']['children'][group]['hosts'])
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def test_set_all(self):
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hosts = OrderedDict([
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('node1', 'opt1'),
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('node2', 'opt2')])
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self.inv.set_all(hosts)
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for host, opt in hosts.items():
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self.assertEqual(
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self.inv.yaml_config['all']['hosts'].get(host), opt)
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def test_set_k8s_cluster(self):
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group = 'k8s_cluster'
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expected_hosts = ['kube_node', 'kube_control_plane']
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self.inv.set_k8s_cluster()
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for host in expected_hosts:
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self.assertIn(
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host,
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self.inv.yaml_config['all']['children'][group]['children'])
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def test_set_kube_node(self):
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group = 'kube_node'
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host = 'node1'
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self.inv.set_kube_node([host])
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self.assertIn(
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host, self.inv.yaml_config['all']['children'][group]['hosts'])
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def test_set_etcd(self):
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group = 'etcd'
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host = 'node1'
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self.inv.set_etcd([host])
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self.assertIn(
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host, self.inv.yaml_config['all']['children'][group]['hosts'])
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def test_scale_scenario_one(self):
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num_nodes = 50
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hosts = OrderedDict()
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for hostid in range(1, num_nodes+1):
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hosts["node" + str(hostid)] = ""
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self.inv.set_all(hosts)
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self.inv.set_etcd(list(hosts.keys())[0:3])
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self.inv.set_kube_control_plane(list(hosts.keys())[0:2])
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self.inv.set_kube_node(hosts.keys())
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for h in range(3):
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self.assertFalse(
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list(hosts.keys())[h] in
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self.inv.yaml_config['all']['children']['kube_node']['hosts'])
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def test_scale_scenario_two(self):
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num_nodes = 500
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hosts = OrderedDict()
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for hostid in range(1, num_nodes+1):
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hosts["node" + str(hostid)] = ""
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self.inv.set_all(hosts)
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self.inv.set_etcd(list(hosts.keys())[0:3])
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self.inv.set_kube_control_plane(list(hosts.keys())[3:5])
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self.inv.set_kube_node(hosts.keys())
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for h in range(5):
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self.assertFalse(
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list(hosts.keys())[h] in
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self.inv.yaml_config['all']['children']['kube_node']['hosts'])
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def test_range2ips_range(self):
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changed_hosts = ['10.90.0.2', '10.90.0.4-10.90.0.6', '10.90.0.8']
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expected = ['10.90.0.2',
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'10.90.0.4',
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'10.90.0.5',
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'10.90.0.6',
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'10.90.0.8']
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result = self.inv.range2ips(changed_hosts)
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self.assertEqual(expected, result)
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def test_range2ips_incorrect_range(self):
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host_range = ['10.90.0.4-a.9b.c.e']
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self.assertRaisesRegex(Exception, "Range of ip_addresses isn't valid",
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self.inv.range2ips, host_range)
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def test_build_hostnames_create_with_one_different_ips(self):
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changed_hosts = ['10.90.0.2,192.168.0.2']
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expected = OrderedDict([('node1',
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{'ansible_host': '192.168.0.2',
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'ip': '10.90.0.2',
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'access_ip': '192.168.0.2'})])
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_create_with_two_different_ips(self):
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changed_hosts = ['10.90.0.2,192.168.0.2', '10.90.0.3,192.168.0.3']
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expected = OrderedDict([
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('node1', {'ansible_host': '192.168.0.2',
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'ip': '10.90.0.2',
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'access_ip': '192.168.0.2'}),
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('node2', {'ansible_host': '192.168.0.3',
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'ip': '10.90.0.3',
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'access_ip': '192.168.0.3'})])
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_create_with_three_different_ips(self):
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changed_hosts = ['10.90.0.2,192.168.0.2',
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'10.90.0.3,192.168.0.3',
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'10.90.0.4,192.168.0.4']
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expected = OrderedDict([
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('node1', {'ansible_host': '192.168.0.2',
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'ip': '10.90.0.2',
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'access_ip': '192.168.0.2'}),
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('node2', {'ansible_host': '192.168.0.3',
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'ip': '10.90.0.3',
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'access_ip': '192.168.0.3'}),
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('node3', {'ansible_host': '192.168.0.4',
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'ip': '10.90.0.4',
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'access_ip': '192.168.0.4'})])
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_overwrite_one_with_different_ips(self):
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changed_hosts = ['10.90.0.2,192.168.0.2']
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expected = OrderedDict([('node1',
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{'ansible_host': '192.168.0.2',
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'ip': '10.90.0.2',
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'access_ip': '192.168.0.2'})])
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existing = OrderedDict([('node5',
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{'ansible_host': '192.168.0.5',
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'ip': '10.90.0.5',
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'access_ip': '192.168.0.5'})])
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self.inv.yaml_config['all']['hosts'] = existing
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result = self.inv.build_hostnames(changed_hosts)
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self.assertEqual(expected, result)
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def test_build_hostnames_overwrite_three_with_different_ips(self):
|
|
changed_hosts = ['10.90.0.2,192.168.0.2']
|
|
expected = OrderedDict([('node1',
|
|
{'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'})])
|
|
existing = OrderedDict([
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'}),
|
|
('node5', {'ansible_host': '192.168.0.5',
|
|
'ip': '10.90.0.5',
|
|
'access_ip': '192.168.0.5'})])
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts)
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_build_hostnames_different_ips_add_duplicate(self):
|
|
changed_hosts = ['10.90.0.2,192.168.0.2']
|
|
expected = OrderedDict([('node3',
|
|
{'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'})])
|
|
existing = expected
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts, True)
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_build_hostnames_add_two_different_ips_into_one_existing(self):
|
|
changed_hosts = ['10.90.0.3,192.168.0.3', '10.90.0.4,192.168.0.4']
|
|
expected = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'})])
|
|
|
|
existing = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'})])
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts, True)
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_build_hostnames_add_two_different_ips_into_two_existing(self):
|
|
changed_hosts = ['10.90.0.4,192.168.0.4', '10.90.0.5,192.168.0.5']
|
|
expected = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'}),
|
|
('node5', {'ansible_host': '192.168.0.5',
|
|
'ip': '10.90.0.5',
|
|
'access_ip': '192.168.0.5'})])
|
|
|
|
existing = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'})])
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts, True)
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_build_hostnames_add_two_different_ips_into_three_existing(self):
|
|
changed_hosts = ['10.90.0.5,192.168.0.5', '10.90.0.6,192.168.0.6']
|
|
expected = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'}),
|
|
('node5', {'ansible_host': '192.168.0.5',
|
|
'ip': '10.90.0.5',
|
|
'access_ip': '192.168.0.5'}),
|
|
('node6', {'ansible_host': '192.168.0.6',
|
|
'ip': '10.90.0.6',
|
|
'access_ip': '192.168.0.6'})])
|
|
|
|
existing = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'})])
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts, True)
|
|
self.assertEqual(expected, result)
|
|
|
|
# Add two IP addresses into a config that has
|
|
# three already defined IP addresses. One of the IP addresses
|
|
# is a duplicate.
|
|
def test_build_hostnames_add_two_duplicate_one_overlap(self):
|
|
changed_hosts = ['10.90.0.4,192.168.0.4', '10.90.0.5,192.168.0.5']
|
|
expected = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'}),
|
|
('node5', {'ansible_host': '192.168.0.5',
|
|
'ip': '10.90.0.5',
|
|
'access_ip': '192.168.0.5'})])
|
|
|
|
existing = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'})])
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts, True)
|
|
self.assertEqual(expected, result)
|
|
|
|
# Add two duplicate IP addresses into a config that has
|
|
# three already defined IP addresses
|
|
def test_build_hostnames_add_two_duplicate_two_overlap(self):
|
|
changed_hosts = ['10.90.0.3,192.168.0.3', '10.90.0.4,192.168.0.4']
|
|
expected = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'})])
|
|
|
|
existing = OrderedDict([
|
|
('node2', {'ansible_host': '192.168.0.2',
|
|
'ip': '10.90.0.2',
|
|
'access_ip': '192.168.0.2'}),
|
|
('node3', {'ansible_host': '192.168.0.3',
|
|
'ip': '10.90.0.3',
|
|
'access_ip': '192.168.0.3'}),
|
|
('node4', {'ansible_host': '192.168.0.4',
|
|
'ip': '10.90.0.4',
|
|
'access_ip': '192.168.0.4'})])
|
|
self.inv.yaml_config['all']['hosts'] = existing
|
|
result = self.inv.build_hostnames(changed_hosts, True)
|
|
self.assertEqual(expected, result)
|