monasca-agent/tests/detection/test_ovs.py
Witold Bedyk 6f3e984ca0 Add support for psutil<2.0.0
* Introduce module psutil_wrapper to handle backward compatibility.
* Lower psutil constraint to psutil>=1.1.1

Change-Id: I9575cf4bdff29f3b35725c2bd21bb73752a5cfaf
2017-02-06 11:05:57 +01:00

258 lines
12 KiB
Python

# (C) Copyright 2016 Hewlett Packard Enterprise Development Company LP
import ConfigParser
import contextlib
import logging
import os
import psutil
import re
import unittest
from mock import patch
from mock.mock import MagicMock
from monasca_setup.detection.plugins.ovs import Ovs
LOG = logging.getLogger('monasca_setup.detection.plugins.ovs')
class ps_util_get_proc:
cmdLine = ['/etc/neutron/neutron.conf']
detect_warning = False
def as_dict(self, attrs=None):
return {'name': 'neutron-openvsw',
'cmdline': self.cmdline()}
def cmdline(self):
if not ps_util_get_proc.detect_warning:
return ['neutron-openvsw',
ps_util_get_proc.cmdLine[0]]
else:
return ['/opt/fake.txt']
class TestOvs(unittest.TestCase):
def setUp(self):
unittest.TestCase.setUp(self)
with patch.object(Ovs, '_detect') as mock_detect:
self.ovs_obj = Ovs('temp_dir')
self.has_option = [True, True, True, False, False, True]
self.get_value = [MagicMock(), MagicMock(), MagicMock(),
'http://10.10.10.10', 'region1']
self.assertTrue(mock_detect.called)
def _detect(self, ovs_obj):
ovs_obj.neutron_conf = None
ovs_obj.available = False
with contextlib.nested(
patch.object(psutil, 'process_iter',
return_value=[ps_util_get_proc()]),
patch.object(os.path, 'isfile', return_value=True),
patch.object(ovs_obj, 'dependencies_installed',
return_value=True)) as (
mock_process_iter, mock_isfile, dependencies):
ovs_obj._detect()
self.assertTrue(mock_process_iter.called)
if not ps_util_get_proc.cmdLine:
self.assertFalse(mock_isfile.called)
def _build_config(self, ovs_obj, dependencies_installed=True):
with patch.object(ConfigParser, 'SafeConfigParser') as mock_config_parser:
config_parser_obj = mock_config_parser.return_value
with contextlib.nested(
patch.object(LOG, 'info'),
patch.object(config_parser_obj, 'has_option',
side_effect=self.has_option),
patch.object(config_parser_obj, 'get',
side_effect=self.get_value)) as (
mock_log_info, mock_has_option, mock_get):
result = ovs_obj.build_config()
if dependencies_installed:
self.assertTrue(mock_log_info.called)
self.assertTrue(mock_has_option.called)
self.assertTrue(mock_get.called)
if not self.has_option[-1]:
self.assertIn(str(('nova', 'region_name')),
str(mock_get.call_args_list[-1]))
else:
self.assertIn(str(('service_auth', 'region')),
str(mock_get.call_args_list[-1]))
return result
def _build_config_with_arg(self, ovs_obj):
result = self._build_config(ovs_obj)
self.assertEqual(result['ovs']['init_config']['neutron_refresh'],
13000)
self.assertFalse(result['ovs']['init_config']['network_use_bits'])
self.assertIsInstance(result['ovs']['init_config']['admin_user'],
MagicMock)
self.assertIsInstance(result['ovs']['init_config']['admin_password'],
MagicMock)
self.assertIsInstance(result['ovs']['init_config']['admin_tenant_name'],
MagicMock)
self.assertEqual(result['ovs']['init_config']['identity_uri'],
'http://10.10.10.10/v2.0')
self.assertEqual(result['ovs']['init_config']['region_name'],
'region1')
self.assertEqual(result['ovs']['init_config']['cache_dir'],
"/dev/shm")
self.assertEqual(result['ovs']['init_config']['ovs_cmd'],
"sudo /usr/bin/ovs-vsctl")
self.assertFalse(result['ovs']['init_config']['use_absolute_metrics'])
self.assertTrue(result['ovs']['init_config']['use_rate_metrics'])
self.assertTrue(result['ovs']['init_config']['use_health_metrics'])
return result
def _build_config_without_args(self, ovs_obj):
result = self._build_config(ovs_obj)
self.assertEqual(result['ovs']['init_config']['neutron_refresh'],
14400)
self.assertFalse(result['ovs']['init_config']['network_use_bits'])
self.assertEqual(result['ovs']['init_config']['cache_dir'],
"/dev/shm")
self.assertEqual(result['ovs']['init_config']['ovs_cmd'],
"sudo /usr/bin/ovs-vsctl")
self.assertEqual(result['ovs']['init_config']['included_interface_re'],
'qg.*|vhu.*|sg.*')
self.assertIsInstance(result['ovs']['init_config']['admin_user'],
MagicMock)
self.assertIsInstance(result['ovs']['init_config']['admin_password'],
MagicMock)
self.assertIsInstance(result['ovs']['init_config']['admin_tenant_name'],
MagicMock)
self.assertTrue(result['ovs']['init_config']['use_absolute_metrics'])
self.assertTrue(result['ovs']['init_config']['use_rate_metrics'])
self.assertTrue(result['ovs']['init_config']['use_health_metrics'])
return result
def test_detect(self):
self._detect(self.ovs_obj)
self.assertTrue(self.ovs_obj.available)
self.assertEqual(self.ovs_obj.neutron_conf,
'/etc/neutron/neutron.conf')
def test_detect_devstack(self):
ps_util_get_proc.cmdLine = ['--config-file=/opt/stack/neutron.conf']
self._detect(self.ovs_obj)
self.assertTrue(self.ovs_obj.available)
self.assertEqual(self.ovs_obj.neutron_conf, '/opt/stack/neutron.conf')
def test_detect_warning(self):
with patch.object(LOG, 'error') as mock_log_warn:
ps_util_get_proc.detect_warning = True
self._detect(self.ovs_obj)
self.assertFalse(self.ovs_obj.available)
self.assertEqual(self.ovs_obj.neutron_conf, None)
self.assertTrue(mock_log_warn.called)
def test_detect_conf_file_path_given(self):
self.ovs_obj.neutron_conf = None
self.ovs_obj.args = {'conf_file_path': '/opt/stack/neutron.conf'}
with contextlib.nested(
patch.object(psutil, 'process_iter',
return_value=[ps_util_get_proc()]),
patch.object(os.path, 'isfile', return_value=True),
patch.object(self.ovs_obj, 'dependencies_installed',
return_value=True)) as (
mock_process_iter, mock_isfile, dependencies):
self.ovs_obj._detect()
self.assertTrue(mock_isfile.called)
self.assertTrue(self.ovs_obj.available)
self.assertEqual(self.ovs_obj.neutron_conf,
'/opt/stack/neutron.conf')
def test_build_config(self):
self.ovs_obj.neutron_conf = 'neutron-conf'
self._build_config_without_args(self.ovs_obj)
def test_build_config_with_args(self):
with patch.object(LOG, 'warn') as mock_log_warn:
self.ovs_obj.neutron_conf = 'neutron-conf'
self.ovs_obj.args = {'admin_user': 'admin',
'admin_password': 'password',
'admin_tenant_name': 'tenant',
'identity_uri': '10.10.10.20',
'region_name': 'region0',
'neutron_refresh': 13000,
'use_absolute_metrics': False}
result = self._build_config_with_arg(self.ovs_obj)
self.assertTrue(mock_log_warn.called)
self.assertEqual(mock_log_warn.call_count, 5)
self.assertEqual(result['ovs']['init_config']['included_interface_re'],
'qg.*|vhu.*|sg.*')
def test_dependencies_not_installed(self):
result = self.ovs_obj.dependencies_installed()
self.assertEqual(result, False)
def test_build_config_invalid_arg_warning(self):
with patch.object(LOG, 'warn') as mock_log_warn:
self.ovs_obj.neutron_conf = 'neutron-conf'
self.ovs_obj.args = {'admin_user': 'admin',
'admin_password': 'password',
'admin_tenant_name': 'tenant',
'identity_uri': '10.10.10.20',
'region_name': 'region0',
'neutron_refresh': 13000,
'use_absolute_metrics': False,
'invalid_arg': 'inv-arg'}
result = self._build_config_with_arg(self.ovs_obj)
self.assertTrue(mock_log_warn.called)
self.assertEqual(mock_log_warn.call_count, 6)
self.assertEqual(result['ovs']['init_config']['included_interface_re'],
'qg.*|vhu.*|sg.*')
def test_build_config_if_auth_version(self):
self.ovs_obj.neutron_conf = 'neutron-conf'
self.has_option = [True, True, True, True, True, True]
self.get_value = [MagicMock(), MagicMock(), MagicMock(),
'v3.0', 'http://10.10.10.10',
'http://10.10.10.10', 'region1']
result = self._build_config_without_args(self.ovs_obj)
self.assertEqual(result['ovs']['init_config']['identity_uri'],
'http://10.10.10.10/v3.0')
def test_build_config_if_auth_url_has_version(self):
self.ovs_obj.neutron_conf = 'neutron-conf'
self.has_option = [True, True, True, True, True, True]
self.get_value = [MagicMock(), MagicMock(), MagicMock(),
'v3.0', 'http://10.10.10.10/v1',
'http://10.10.10.10/v1', 'region1']
result = self._build_config_without_args(self.ovs_obj)
self.assertEqual(result['ovs']['init_config']['identity_uri'],
'http://10.10.10.10/v1/')
def test_build_config_region_name_from_nova(self):
self.ovs_obj.neutron_conf = 'neutron-conf'
self.has_option = [True, True, True, False, False, False]
self.get_value = [MagicMock(), MagicMock(), MagicMock(),
'http://10.10.10.10', 'region2']
result = self._build_config_without_args(self.ovs_obj)
self.assertEqual(result['ovs']['init_config']['identity_uri'],
'http://10.10.10.10/v2.0')
self.assertEqual(result['ovs']['init_config']['region_name'],
'region2')
def test_build_config_with_valid_interface_re(self):
self.ovs_obj.neutron_conf = 'neutron-conf'
self.ovs_obj.args = {'included_interface_re': 'tap.*',
'neutron_refresh': 13000,
'use_absolute_metrics': False}
result = self._build_config_with_arg(self.ovs_obj)
self.assertEqual(result['ovs']['init_config']['included_interface_re'],
'tap.*')
def test_build_config_with_invalid_interface_re(self):
self.ovs_obj.neutron_conf = 'neutron-conf'
self.ovs_obj.args = {'included_interface_re': '[',
'neutron_refresh': 13000}
with contextlib.nested(
patch.object(re, 'compile', side_effect=re.error),
patch.object(LOG, 'exception')) as (
mock_re_error, mock_log):
self.assertRaises(Exception, self._build_config_with_arg, self.ovs_obj)
self.assertTrue(mock_re_error.called)
self.assertTrue(mock_log.called)