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https://github.com/kubernetes-sigs/kubespray.git
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Add inventory builder python script
Includes tox support for running unit tests. Small note added to getting-started guide for using inventory_builder.py Also adds manual-only unit test.
This commit is contained in:
Matthew Mosesohn
212
contrib/inventory_builder/tests/test_inventory.py
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212
contrib/inventory_builder/tests/test_inventory.py
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# 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 mock
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import unittest
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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
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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.KargoInventory()
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def test_get_ip_from_opts(self):
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optstring = "ansible_host=10.90.3.2 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.assertRaisesRegexp(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.assertTrue(group in self.inv.config.sections())
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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.assertRaisesRegexp(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_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 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_add_duplicate(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 ip=10.90.0.2')])
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self.inv.config['all'] = expected
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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_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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 ip=10.90.0.3')])
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self.inv.config['all'] = 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_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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 ip=10.90.0.3')])
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self.inv.config['all'] = existing_hosts
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expected = OrderedDict([
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('node2', 'ansible_host=10.90.0.3 ip=10.90.0.3')])
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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_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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 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 ip=10.90.0.3')])
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existing_hosts = OrderedDict([
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('node1', 'ansible_host=10.90.0.2 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 ip=10.90.0.3')])
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self.assertRaisesRegexp(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 ip=10.90.0.2'),
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('node2', 'ansible_host=10.90.0.3 ip=10.90.0.3'),
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('doesnotbelong2', 'whateveropts=ilike')])
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self.inv.config['all'] = existing_hosts
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self.inv.purge_invalid_hosts(proper_hostnames)
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self.assertTrue(bad_host not in self.inv.config['all'].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(self.inv.config[group].get(host), opts)
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def test_set_kube_master(self):
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group = 'kube-master'
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host = 'node1'
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self.inv.set_kube_master([host])
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self.assertTrue(host in self.inv.config[group])
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def test_set_all(self):
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group = 'all'
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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(self.inv.config[group].get(host), opt)
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def test_set_k8s_cluster(self):
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group = 'k8s-cluster:children'
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expected_hosts = ['kube-node', 'kube-master']
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self.inv.set_k8s_cluster()
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for host in expected_hosts:
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self.assertTrue(host in self.inv.config[group])
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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.assertTrue(host in self.inv.config[group])
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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.assertTrue(host in self.inv.config[group])
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