357 lines
14 KiB
Python
357 lines
14 KiB
Python
# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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import os
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import re
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import shutil
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import subprocess
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import tempfile
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import unittest
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import utils
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import pcmk
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def write_file(path, content, *args, **kwargs):
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with open(path, 'w') as f:
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f.write(content)
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f.flush()
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@mock.patch.object(utils, 'log', lambda *args, **kwargs: None)
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@mock.patch.object(utils, 'write_file', write_file)
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class UtilsTestCaseWriteTmp(unittest.TestCase):
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def setUp(self):
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self.tmpdir = tempfile.mkdtemp()
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utils.COROSYNC_CONF = os.path.join(self.tmpdir, 'corosync.conf')
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def tearDown(self):
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shutil.rmtree(self.tmpdir)
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@mock.patch.object(utils, 'get_ha_nodes', lambda *args: {'1': '10.0.0.1'})
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@mock.patch.object(utils, 'relation_get')
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@mock.patch.object(utils, 'related_units')
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@mock.patch.object(utils, 'relation_ids')
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@mock.patch.object(utils, 'get_network_address')
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@mock.patch.object(utils, 'config')
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def check_debug(self, enabled, mock_config, get_network_address,
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relation_ids, related_units, relation_get):
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cfg = {'debug': enabled,
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'prefer-ipv6': False,
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'corosync_mcastport': '1234',
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'corosync_transport': 'udpu',
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'corosync_mcastaddr': 'corosync_mcastaddr'}
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def c(k):
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return cfg.get(k)
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mock_config.side_effect = c
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get_network_address.return_value = "127.0.0.1"
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relation_ids.return_value = ['foo:1']
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related_units.return_value = ['unit-machine-0']
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relation_get.return_value = 'iface'
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conf = utils.get_corosync_conf()
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if enabled:
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self.assertEqual(conf['debug'], enabled)
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else:
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self.assertFalse('debug' in conf)
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self.assertTrue(utils.emit_corosync_conf())
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with open(utils.COROSYNC_CONF) as fd:
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content = fd.read()
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if enabled:
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pattern = 'debug: on\n'
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else:
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pattern = 'debug: off\n'
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matches = re.findall(pattern, content, re.M)
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self.assertEqual(len(matches), 2, str(matches))
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def test_debug_on(self):
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self.check_debug(True)
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def test_debug_off(self):
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self.check_debug(False)
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class UtilsTestCase(unittest.TestCase):
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@mock.patch.object(utils, 'config')
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def test_get_transport(self, mock_config):
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mock_config.return_value = 'udp'
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self.assertEqual('udp', utils.get_transport())
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mock_config.return_value = 'udpu'
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self.assertEqual('udpu', utils.get_transport())
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mock_config.return_value = 'hafu'
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self.assertRaises(ValueError, utils.get_transport)
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def test_nulls(self):
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self.assertEquals(utils.nulls({'a': '', 'b': None, 'c': False}),
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['a', 'b'])
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@mock.patch.object(utils, 'local_unit', lambda *args: 'hanode/0')
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@mock.patch.object(utils, 'get_ipv6_addr')
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@mock.patch.object(utils, 'get_host_ip')
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@mock.patch.object(utils.utils, 'is_ipv6', lambda *args: None)
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@mock.patch.object(utils, 'get_corosync_id', lambda u: "%s-cid" % (u))
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@mock.patch.object(utils, 'peer_ips', lambda *args, **kwargs:
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{'hanode/1': '10.0.0.2'})
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@mock.patch.object(utils, 'unit_get')
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@mock.patch.object(utils, 'config')
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def test_get_ha_nodes(self, mock_config, mock_unit_get, mock_get_host_ip,
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mock_get_ipv6_addr):
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mock_get_host_ip.side_effect = lambda host: host
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def unit_get(key):
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return {'private-address': '10.0.0.1'}.get(key)
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mock_unit_get.side_effect = unit_get
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def config(key):
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return {'prefer-ipv6': False}.get(key)
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mock_config.side_effect = config
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nodes = utils.get_ha_nodes()
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self.assertEqual(nodes, {'hanode/0-cid': '10.0.0.1',
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'hanode/1-cid': '10.0.0.2'})
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self.assertTrue(mock_get_host_ip.called)
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self.assertFalse(mock_get_ipv6_addr.called)
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@mock.patch.object(utils, 'local_unit', lambda *args: 'hanode/0')
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@mock.patch.object(utils, 'get_ipv6_addr')
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@mock.patch.object(utils, 'get_host_ip')
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@mock.patch.object(utils.utils, 'is_ipv6')
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@mock.patch.object(utils, 'get_corosync_id', lambda u: "%s-cid" % (u))
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@mock.patch.object(utils, 'peer_ips', lambda *args, **kwargs:
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{'hanode/1': '2001:db8:1::2'})
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@mock.patch.object(utils, 'unit_get')
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@mock.patch.object(utils, 'config')
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def test_get_ha_nodes_ipv6(self, mock_config, mock_unit_get, mock_is_ipv6,
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mock_get_host_ip, mock_get_ipv6_addr):
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mock_get_ipv6_addr.return_value = '2001:db8:1::1'
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mock_get_host_ip.side_effect = lambda host: host
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def unit_get(key):
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return {'private-address': '10.0.0.1'}.get(key)
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mock_unit_get.side_effect = unit_get
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def config(key):
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return {'prefer-ipv6': True}.get(key)
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mock_config.side_effect = config
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nodes = utils.get_ha_nodes()
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self.assertEqual(nodes, {'hanode/0-cid': '2001:db8:1::1',
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'hanode/1-cid': '2001:db8:1::2'})
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self.assertFalse(mock_get_host_ip.called)
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self.assertTrue(mock_get_ipv6_addr.called)
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@mock.patch.object(utils, 'assert_charm_supports_dns_ha')
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@mock.patch.object(utils, 'config')
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def test_validate_dns_ha_valid(self, config,
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assert_charm_supports_dns_ha):
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cfg = {'maas_url': 'http://maas/MAAAS/',
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'maas_credentials': 'secret'}
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config.side_effect = lambda key: cfg.get(key)
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self.assertTrue(utils.validate_dns_ha())
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self.assertTrue(assert_charm_supports_dns_ha.called)
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@mock.patch.object(utils, 'assert_charm_supports_dns_ha')
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@mock.patch.object(utils, 'status_set')
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@mock.patch.object(utils, 'config')
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def test_validate_dns_ha_invalid(self, config, status_set,
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assert_charm_supports_dns_ha):
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cfg = {'maas_url': 'http://maas/MAAAS/',
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'maas_credentials': None}
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config.side_effect = lambda key: cfg.get(key)
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self.assertRaises(utils.MAASConfigIncomplete,
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lambda: utils.validate_dns_ha())
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self.assertTrue(assert_charm_supports_dns_ha.called)
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@mock.patch.object(utils, 'apt_install')
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@mock.patch.object(utils, 'apt_update')
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@mock.patch.object(utils, 'add_source')
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@mock.patch.object(utils, 'config')
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def test_setup_maas_api(self, config, add_source, apt_update, apt_install):
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cfg = {'maas_source': 'ppa:maas/stable'}
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config.side_effect = lambda key: cfg.get(key)
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utils.setup_maas_api()
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add_source.assert_called_with(cfg['maas_source'])
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self.assertTrue(apt_install.called)
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@mock.patch('os.path.isfile')
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def test_ocf_file_exists(self, isfile_mock):
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RES_NAME = 'res_ceilometer_agent_central'
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resources = {RES_NAME: ('ocf:openstack:ceilometer-agent-central')}
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utils.ocf_file_exists(RES_NAME, resources)
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wish = '/usr/lib/ocf/resource.d/openstack/ceilometer-agent-central'
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isfile_mock.assert_called_once_with(wish)
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@mock.patch.object(subprocess, 'check_output')
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@mock.patch.object(subprocess, 'call')
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def test_kill_legacy_ocf_daemon_process(self, call_mock,
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check_output_mock):
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ps_output = '''
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PID CMD
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6863 sshd: ubuntu@pts/7
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11109 /usr/bin/python /usr/bin/ceilometer-agent-central --config
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'''
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check_output_mock.return_value = ps_output
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utils.kill_legacy_ocf_daemon_process('res_ceilometer_agent_central')
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call_mock.assert_called_once_with(['sudo', 'kill', '-9', '11109'])
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@mock.patch.object(pcmk, 'wait_for_pcmk')
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def test_try_pcmk_wait(self, mock_wait_for_pcmk):
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# Returns OK
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mock_wait_for_pcmk.side_effect = None
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self.assertEquals(None, utils.try_pcmk_wait())
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# Raises Exception
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mock_wait_for_pcmk.side_effect = pcmk.ServicesNotUp
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with self.assertRaises(pcmk.ServicesNotUp):
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utils.try_pcmk_wait()
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@mock.patch.object(pcmk, 'wait_for_pcmk')
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@mock.patch.object(utils, 'service_running')
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def test_services_running(self, mock_service_running,
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mock_wait_for_pcmk):
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# OS not running
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mock_service_running.return_value = False
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self.assertFalse(utils.services_running())
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# Functional not running
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mock_service_running.return_value = True
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mock_wait_for_pcmk.side_effect = pcmk.ServicesNotUp
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with self.assertRaises(pcmk.ServicesNotUp):
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utils.services_running()
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# All running
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mock_service_running.return_value = True
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mock_wait_for_pcmk.side_effect = None
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mock_wait_for_pcmk.return_value = True
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self.assertTrue(utils.services_running())
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@mock.patch.object(pcmk, 'wait_for_pcmk')
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@mock.patch.object(utils, 'restart_corosync')
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def test_validated_restart_corosync(self, mock_restart_corosync,
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mock_wait_for_pcmk):
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# Services are down
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mock_restart_corosync.mock_calls = []
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mock_restart_corosync.return_value = False
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with self.assertRaises(pcmk.ServicesNotUp):
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utils.validated_restart_corosync(retries=3)
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self.assertEqual(3, len(mock_restart_corosync.mock_calls))
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# Services are up
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mock_restart_corosync.mock_calls = []
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mock_restart_corosync.return_value = True
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utils.validated_restart_corosync(retries=10)
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self.assertEqual(1, len(mock_restart_corosync.mock_calls))
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@mock.patch.object(utils, 'is_unit_paused_set')
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@mock.patch.object(utils, 'services_running')
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@mock.patch.object(utils, 'service_start')
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@mock.patch.object(utils, 'service_stop')
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@mock.patch.object(utils, 'service_running')
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def test_restart_corosync(self, mock_service_running,
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mock_service_stop, mock_service_start,
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mock_services_running, mock_is_unit_paused_set):
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# PM up, services down
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mock_service_running.return_value = True
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mock_is_unit_paused_set.return_value = False
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mock_services_running.return_value = False
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self.assertFalse(utils.restart_corosync())
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mock_service_stop.assert_has_calls([mock.call('pacemaker'),
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mock.call('corosync')])
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mock_service_start.assert_has_calls([mock.call('corosync'),
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mock.call('pacemaker')])
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# PM already down, services down
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mock_service_running.return_value = False
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mock_is_unit_paused_set.return_value = False
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mock_services_running.return_value = False
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self.assertFalse(utils.restart_corosync())
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mock_service_stop.assert_has_calls([mock.call('corosync')])
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mock_service_start.assert_has_calls([mock.call('corosync'),
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mock.call('pacemaker')])
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# PM already down, services up
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mock_service_running.return_value = True
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mock_is_unit_paused_set.return_value = False
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mock_services_running.return_value = True
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self.assertTrue(utils.restart_corosync())
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mock_service_stop.assert_has_calls([mock.call('pacemaker'),
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mock.call('corosync')])
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mock_service_start.assert_has_calls([mock.call('corosync'),
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mock.call('pacemaker')])
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@mock.patch.object(subprocess, 'check_call')
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@mock.patch.object(utils.os, 'mkdir')
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@mock.patch.object(utils.os.path, 'exists')
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@mock.patch.object(utils, 'render_template')
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@mock.patch.object(utils, 'write_file')
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@mock.patch.object(utils, 'is_unit_paused_set')
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@mock.patch.object(utils, 'config')
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def test_emit_systemd_overrides_file(self, mock_config,
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mock_is_unit_paused_set,
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mock_write_file, mock_render_template,
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mock_path_exists,
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mock_mkdir, mock_check_call):
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# Normal values
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cfg = {'service_stop_timeout': 30,
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'service_start_timeout': 90}
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mock_config.side_effect = lambda key: cfg.get(key)
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mock_is_unit_paused_set.return_value = True
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mock_path_exists.return_value = True
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utils.emit_systemd_overrides_file()
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self.assertEquals(2, len(mock_write_file.mock_calls))
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mock_render_template.assert_has_calls(
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[mock.call('systemd-overrides.conf', cfg),
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mock.call('systemd-overrides.conf', cfg)])
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mock_check_call.assert_has_calls([mock.call(['systemctl',
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'daemon-reload'])])
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mock_write_file.mock_calls = []
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mock_render_template.mock_calls = []
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mock_check_call.mock_calls = []
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# Disable timeout
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cfg = {'service_stop_timeout': -1,
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'service_start_timeout': -1}
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expected_cfg = {'service_stop_timeout': 'infinity',
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'service_start_timeout': 'infinity'}
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mock_config.side_effect = lambda key: cfg.get(key)
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mock_is_unit_paused_set.return_value = True
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mock_path_exists.return_value = True
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utils.emit_systemd_overrides_file()
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self.assertEquals(2, len(mock_write_file.mock_calls))
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mock_render_template.assert_has_calls(
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[mock.call('systemd-overrides.conf', expected_cfg),
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mock.call('systemd-overrides.conf', expected_cfg)])
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mock_check_call.assert_has_calls([mock.call(['systemctl',
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'daemon-reload'])])
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