Juju Charm - Neutron API
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from mock import MagicMock, patch
from collections import OrderedDict
import charmhelpers.contrib.openstack.templating as templating
templating.OSConfigRenderer = MagicMock()
import neutron_api_utils as nutils
from test_utils import (
CharmTestCase,
patch_open,
)
import charmhelpers.core.hookenv as hookenv
TO_PATCH = [
'apt_install',
'apt_update',
'apt_upgrade',
'b64encode',
'config',
'configure_installation_source',
'get_os_codename_install_source',
'log',
'neutron_plugin_attribute',
]
def _mock_npa(plugin, attr, net_manager=None):
plugins = {
'ovs': {
'config': '/etc/neutron/plugins/ml2/ml2_conf.ini',
'driver': 'neutron.plugins.ml2.plugin.Ml2Plugin',
'contexts': [],
'services': ['neutron-plugin-openvswitch-agent'],
'packages': [['neutron-plugin-openvswitch-agent']],
'server_packages': ['neutron-server',
'neutron-plugin-ml2'],
'server_services': ['neutron-server']
},
}
return plugins[plugin][attr]
class TestNeutronAPIUtils(CharmTestCase):
def setUp(self):
super(TestNeutronAPIUtils, self).setUp(nutils, TO_PATCH)
self.config.side_effect = self.test_config.get
self.test_config.set('region', 'region101')
self.neutron_plugin_attribute.side_effect = _mock_npa
def tearDown(self):
# Reset cached cache
hookenv.cache = {}
def test_api_port(self):
port = nutils.api_port('neutron-server')
self.assertEqual(port, nutils.API_PORTS['neutron-server'])
def test_determine_endpoints(self):
test_url = 'http://127.0.0.1'
endpoints = nutils.determine_endpoints(test_url)
neutron_url = '%s:%s' % (test_url,
nutils.api_port('neutron-server'))
expect = {
'quantum_service': 'quantum',
'quantum_region': 'region101',
'quantum_public_url': neutron_url,
'quantum_admin_url': neutron_url,
'quantum_internal_url': neutron_url,
}
self.assertEqual(endpoints, expect)
def test_determine_packages(self):
pkg_list = nutils.determine_packages()
expect = nutils.BASE_PACKAGES
expect.extend(['neutron-server', 'neutron-plugin-ml2'])
self.assertItemsEqual(pkg_list, expect)
def test_determine_ports(self):
port_list = nutils.determine_ports()
self.assertItemsEqual(port_list, [9696])
def test_resource_map(self):
_map = nutils.resource_map()
confs = [nutils.NEUTRON_CONF, nutils.NEUTRON_DEFAULT]
[self.assertIn(q_conf, _map.keys()) for q_conf in confs]
def test_restart_map(self):
_restart_map = nutils.restart_map()
ML2CONF = "/etc/neutron/plugins/ml2/ml2_conf.ini"
expect = OrderedDict([
(nutils.NEUTRON_CONF, {
'services': ['neutron-server'],
}),
(nutils.NEUTRON_DEFAULT, {
'services': ['neutron-server'],
}),
(ML2CONF, {
'services': ['neutron-server'],
}),
])
self.assertItemsEqual(_restart_map, expect)
def test_register_configs(self):
class _mock_OSConfigRenderer():
def __init__(self, templates_dir=None, openstack_release=None):
self.configs = []
self.ctxts = []
def register(self, config, ctxt):
self.configs.append(config)
self.ctxts.append(ctxt)
templating.OSConfigRenderer.side_effect = _mock_OSConfigRenderer
_regconfs = nutils.register_configs()
confs = ['/etc/neutron/neutron.conf',
'/etc/default/neutron-server',
'/etc/neutron/plugins/ml2/ml2_conf.ini']
self.assertItemsEqual(_regconfs.configs, confs)
@patch('os.path.isfile')
def test_keystone_ca_cert_b64_no_cert_file(self, _isfile):
_isfile.return_value = False
cert = nutils.keystone_ca_cert_b64()
self.assertEquals(cert, None)
@patch('os.path.isfile')
def test_keystone_ca_cert_b64(self, _isfile):
_isfile.return_value = True
with patch_open() as (_open, _file):
nutils.keystone_ca_cert_b64()
self.assertTrue(self.b64encode.called)
def test_do_openstack_upgrade(self):
self.config.side_effect = self.test_config.get
self.test_config.set('openstack-origin', 'cloud:precise-havana')
self.get_os_codename_install_source.return_value = 'havana'
configs = MagicMock()
nutils.do_openstack_upgrade(configs)
configs.set_release.assert_called_with(openstack_release='havana')
self.log.assert_called()
self.apt_update.assert_called_with(fatal=True)
dpkg_opts = [
'--option', 'Dpkg::Options::=--force-confnew',
'--option', 'Dpkg::Options::=--force-confdef',
]
pkgs = nutils.BASE_PACKAGES
pkgs.sort()
self.apt_install.assert_called_with(
options=dpkg_opts,
packages=pkgs,
fatal=True
)
self.configure_installation_source.assert_called_with(
'cloud:precise-havana'
)