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kubespray/contrib/inventory_builder/tests/test_inventory.py

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# Copyright 2016 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import inventory
from io import StringIO
import unittest
from unittest import mock
from collections import OrderedDict
import sys
path = "./contrib/inventory_builder/"
if path not in sys.path:
sys.path.append(path)
import inventory # noqa
class TestInventoryPrintHostnames(unittest.TestCase):
@mock.patch('ruamel.yaml.YAML.load')
def test_print_hostnames(self, load_mock):
mock_io = mock.mock_open(read_data='')
load_mock.return_value = OrderedDict({'all': {'hosts': {
'node1': {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'},
'node2': {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'}}}})
with mock.patch('builtins.open', mock_io):
with self.assertRaises(SystemExit) as cm:
with mock.patch('sys.stdout', new_callable=StringIO) as stdout:
inventory.KubesprayInventory(
changed_hosts=["print_hostnames"],
config_file="file")
self.assertEqual("node1 node2\n", stdout.getvalue())
self.assertEqual(cm.exception.code, 0)
class TestInventory(unittest.TestCase):
@mock.patch('inventory.sys')
def setUp(self, sys_mock):
sys_mock.exit = mock.Mock()
super(TestInventory, self).setUp()
self.data = ['10.90.3.2', '10.90.3.3', '10.90.3.4']
self.inv = inventory.KubesprayInventory()
def test_get_ip_from_opts(self):
optstring = {'ansible_host': '10.90.3.2',
'ip': '10.90.3.2',
'access_ip': '10.90.3.2'}
expected = "10.90.3.2"
result = self.inv.get_ip_from_opts(optstring)
self.assertEqual(expected, result)
def test_get_ip_from_opts_invalid(self):
optstring = "notanaddr=value something random!chars:D"
self.assertRaisesRegex(ValueError, "IP parameter not found",
self.inv.get_ip_from_opts, optstring)
def test_ensure_required_groups(self):
groups = ['group1', 'group2']
self.inv.ensure_required_groups(groups)
for group in groups:
self.assertIn(group, self.inv.yaml_config['all']['children'])
def test_get_host_id(self):
hostnames = ['node99', 'no99de01', '01node01', 'node1.domain',
'node3.xyz123.aaa']
expected = [99, 1, 1, 1, 3]
for hostname, expected in zip(hostnames, expected):
result = self.inv.get_host_id(hostname)
self.assertEqual(expected, result)
def test_get_host_id_invalid(self):
bad_hostnames = ['node', 'no99de', '01node', 'node.111111']
for hostname in bad_hostnames:
self.assertRaisesRegex(ValueError, "Host name must end in an",
self.inv.get_host_id, hostname)
def test_build_hostnames_add_duplicate(self):
changed_hosts = ['10.90.0.2']
expected = OrderedDict([('node3',
{'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'})])
self.inv.yaml_config['all']['hosts'] = expected
result = self.inv.build_hostnames(changed_hosts, True)
self.assertEqual(expected, result)
def test_build_hostnames_add_two(self):
changed_hosts = ['10.90.0.2', '10.90.0.3']
expected = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
self.inv.yaml_config['all']['hosts'] = OrderedDict()
result = self.inv.build_hostnames(changed_hosts)
self.assertEqual(expected, result)
def test_build_hostnames_add_three(self):
changed_hosts = ['10.90.0.2', '10.90.0.3', '10.90.0.4']
expected = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'}),
('node3', {'ansible_host': '10.90.0.4',
'ip': '10.90.0.4',
'access_ip': '10.90.0.4'})])
result = self.inv.build_hostnames(changed_hosts)
self.assertEqual(expected, result)
def test_build_hostnames_add_one(self):
changed_hosts = ['10.90.0.2']
expected = OrderedDict([('node1',
{'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'})])
result = self.inv.build_hostnames(changed_hosts)
self.assertEqual(expected, result)
def test_build_hostnames_delete_first(self):
changed_hosts = ['-10.90.0.2']
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
self.inv.yaml_config['all']['hosts'] = existing_hosts
expected = OrderedDict([
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
result = self.inv.build_hostnames(changed_hosts, True)
self.assertEqual(expected, result)
def test_build_hostnames_delete_by_hostname(self):
changed_hosts = ['-node1']
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
self.inv.yaml_config['all']['hosts'] = existing_hosts
expected = OrderedDict([
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
result = self.inv.build_hostnames(changed_hosts, True)
self.assertEqual(expected, result)
def test_exists_hostname_positive(self):
hostname = 'node1'
expected = True
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
result = self.inv.exists_hostname(existing_hosts, hostname)
self.assertEqual(expected, result)
def test_exists_hostname_negative(self):
hostname = 'node99'
expected = False
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
result = self.inv.exists_hostname(existing_hosts, hostname)
self.assertEqual(expected, result)
def test_exists_ip_positive(self):
ip = '10.90.0.2'
expected = True
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
result = self.inv.exists_ip(existing_hosts, ip)
self.assertEqual(expected, result)
def test_exists_ip_negative(self):
ip = '10.90.0.200'
expected = False
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
result = self.inv.exists_ip(existing_hosts, ip)
self.assertEqual(expected, result)
def test_delete_host_by_ip_positive(self):
ip = '10.90.0.2'
expected = OrderedDict([
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
self.inv.delete_host_by_ip(existing_hosts, ip)
self.assertEqual(expected, existing_hosts)
def test_delete_host_by_ip_negative(self):
ip = '10.90.0.200'
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'})])
self.assertRaisesRegex(ValueError, "Unable to find host",
self.inv.delete_host_by_ip, existing_hosts, ip)
def test_purge_invalid_hosts(self):
proper_hostnames = ['node1', 'node2']
bad_host = 'doesnotbelong2'
existing_hosts = OrderedDict([
('node1', {'ansible_host': '10.90.0.2',
'ip': '10.90.0.2',
'access_ip': '10.90.0.2'}),
('node2', {'ansible_host': '10.90.0.3',
'ip': '10.90.0.3',
'access_ip': '10.90.0.3'}),
('doesnotbelong2', {'whateveropts=ilike'})])
self.inv.yaml_config['all']['hosts'] = existing_hosts
self.inv.purge_invalid_hosts(proper_hostnames)
self.assertNotIn(
bad_host, self.inv.yaml_config['all']['hosts'].keys())
def test_add_host_to_group(self):
group = 'etcd'
host = 'node1'
opts = {'ip': '10.90.0.2'}
self.inv.add_host_to_group(group, host, opts)
self.assertEqual(
self.inv.yaml_config['all']['children'][group]['hosts'].get(host),
None)
def test_set_kube_control_plane(self):
group = 'kube_control_plane'
host = 'node1'
self.inv.set_kube_control_plane([host])
self.assertIn(
host, self.inv.yaml_config['all']['children'][group]['hosts'])
def test_set_all(self):
hosts = OrderedDict([
('node1', 'opt1'),
('node2', 'opt2')])
self.inv.set_all(hosts)
for host, opt in hosts.items():
self.assertEqual(
self.inv.yaml_config['all']['hosts'].get(host), opt)
def test_set_k8s_cluster(self):
group = 'k8s_cluster'
expected_hosts = ['kube_node', 'kube_control_plane']
self.inv.set_k8s_cluster()
for host in expected_hosts:
self.assertIn(
host,
self.inv.yaml_config['all']['children'][group]['children'])
def test_set_kube_node(self):
group = 'kube_node'
host = 'node1'
self.inv.set_kube_node([host])
self.assertIn(
host, self.inv.yaml_config['all']['children'][group]['hosts'])
def test_set_etcd(self):
group = 'etcd'
host = 'node1'
self.inv.set_etcd([host])
self.assertIn(
host, self.inv.yaml_config['all']['children'][group]['hosts'])
def test_scale_scenario_one(self):
num_nodes = 50
hosts = OrderedDict()
for hostid in range(1, num_nodes+1):
hosts["node" + str(hostid)] = ""
self.inv.set_all(hosts)
self.inv.set_etcd(list(hosts.keys())[0:3])
self.inv.set_kube_control_plane(list(hosts.keys())[0:2])
self.inv.set_kube_node(hosts.keys())
for h in range(3):
self.assertFalse(
list(hosts.keys())[h] in
self.inv.yaml_config['all']['children']['kube_node']['hosts'])
def test_scale_scenario_two(self):
num_nodes = 500
hosts = OrderedDict()
for hostid in range(1, num_nodes+1):
hosts["node" + str(hostid)] = ""
self.inv.set_all(hosts)
self.inv.set_etcd(list(hosts.keys())[0:3])
self.inv.set_kube_control_plane(list(hosts.keys())[3:5])
self.inv.set_kube_node(hosts.keys())
for h in range(5):
self.assertFalse(
list(hosts.keys())[h] in
self.inv.yaml_config['all']['children']['kube_node']['hosts'])
def test_range2ips_range(self):
changed_hosts = ['10.90.0.2', '10.90.0.4-10.90.0.6', '10.90.0.8']
expected = ['10.90.0.2',
'10.90.0.4',
'10.90.0.5',
'10.90.0.6',
'10.90.0.8']
result = self.inv.range2ips(changed_hosts)
self.assertEqual(expected, result)
def test_range2ips_incorrect_range(self):
host_range = ['10.90.0.4-a.9b.c.e']
self.assertRaisesRegex(Exception, "Range of ip_addresses isn't valid",
self.inv.range2ips, host_range)
def test_build_hostnames_create_with_one_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'})])
result = self.inv.build_hostnames(changed_hosts)
self.assertEqual(expected, result)
def test_build_hostnames_create_with_two_different_ips(self):
changed_hosts = ['10.90.0.2,192.168.0.2', '10.90.0.3,192.168.0.3']
expected = OrderedDict([
('node1', {'ansible_host': '192.168.0.2',
'ip': '10.90.0.2',
'access_ip': '192.168.0.2'}),
('node2', {'ansible_host': '192.168.0.3',
'ip': '10.90.0.3',
'access_ip': '192.168.0.3'})])
result = self.inv.build_hostnames(changed_hosts)
self.assertEqual(expected, result)
def test_build_hostnames_create_with_three_different_ips(self):
changed_hosts = ['10.90.0.2,192.168.0.2',
'10.90.0.3,192.168.0.3',
'10.90.0.4,192.168.0.4']
expected = OrderedDict([
('node1', {'ansible_host': '192.168.0.2',
'ip': '10.90.0.2',
'access_ip': '192.168.0.2'}),
('node2', {'ansible_host': '192.168.0.3',
'ip': '10.90.0.3',
'access_ip': '192.168.0.3'}),
('node3', {'ansible_host': '192.168.0.4',
'ip': '10.90.0.4',
'access_ip': '192.168.0.4'})])
result = self.inv.build_hostnames(changed_hosts)
self.assertEqual(expected, result)
def test_build_hostnames_overwrite_one_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([('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_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)